зеркало из https://github.com/github/ruby.git
3636 строки
93 KiB
C
3636 строки
93 KiB
C
/**********************************************************************
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dir.c -
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$Author$
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created at: Wed Jan 5 09:51:01 JST 1994
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Copyright (C) 1993-2007 Yukihiro Matsumoto
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Copyright (C) 2000 Network Applied Communication Laboratory, Inc.
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Copyright (C) 2000 Information-technology Promotion Agency, Japan
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**********************************************************************/
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#include "ruby/internal/config.h"
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#include <ctype.h>
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#include <errno.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#ifndef O_CLOEXEC
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# define O_CLOEXEC 0
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#endif
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#ifndef USE_OPENDIR_AT
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# if defined(HAVE_FDOPENDIR) && defined(HAVE_DIRFD) && \
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defined(HAVE_OPENAT) && defined(HAVE_FSTATAT)
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# define USE_OPENDIR_AT 1
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# else
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# define USE_OPENDIR_AT 0
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# endif
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#endif
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#if USE_OPENDIR_AT
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# include <fcntl.h>
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#endif
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#undef HAVE_DIRENT_NAMLEN
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#if defined HAVE_DIRENT_H && !defined _WIN32
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# include <dirent.h>
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# define NAMLEN(dirent) strlen((dirent)->d_name)
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#elif defined HAVE_DIRECT_H && !defined _WIN32
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# include <direct.h>
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# define NAMLEN(dirent) strlen((dirent)->d_name)
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#else
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# define dirent direct
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# define NAMLEN(dirent) (dirent)->d_namlen
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# define HAVE_DIRENT_NAMLEN 1
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# ifdef HAVE_SYS_NDIR_H
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# include <sys/ndir.h>
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# endif
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# ifdef HAVE_SYS_DIR_H
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# include <sys/dir.h>
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# endif
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# ifdef HAVE_NDIR_H
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# include <ndir.h>
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# endif
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# ifdef _WIN32
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# include "win32/dir.h"
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# endif
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#endif
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#ifndef HAVE_STDLIB_H
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char *getenv();
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#endif
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#ifndef HAVE_STRING_H
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char *strchr(char*,char);
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#endif
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#ifdef HAVE_SYS_ATTR_H
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#include <sys/attr.h>
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#endif
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#define USE_NAME_ON_FS_REAL_BASENAME 1 /* platform dependent APIs to
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* get real basenames */
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#define USE_NAME_ON_FS_BY_FNMATCH 2 /* select the matching
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* basename by fnmatch */
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#ifdef HAVE_GETATTRLIST
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# define USE_NAME_ON_FS USE_NAME_ON_FS_REAL_BASENAME
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# define RUP32(size) ((size)+3/4)
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# define SIZEUP32(type) RUP32(sizeof(type))
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#elif defined _WIN32
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# define USE_NAME_ON_FS USE_NAME_ON_FS_REAL_BASENAME
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#elif defined DOSISH
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# define USE_NAME_ON_FS USE_NAME_ON_FS_BY_FNMATCH
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#else
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# define USE_NAME_ON_FS 0
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#endif
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#ifdef __APPLE__
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# define NORMALIZE_UTF8PATH 1
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# include <sys/param.h>
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# include <sys/mount.h>
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# include <sys/vnode.h>
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#else
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# define NORMALIZE_UTF8PATH 0
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#endif
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#include "encindex.h"
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#include "id.h"
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#include "internal.h"
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#include "internal/array.h"
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#include "internal/dir.h"
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#include "internal/encoding.h"
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#include "internal/error.h"
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#include "internal/file.h"
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#include "internal/gc.h"
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#include "internal/io.h"
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#include "internal/object.h"
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#include "internal/vm.h"
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#include "ruby/encoding.h"
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#include "ruby/ruby.h"
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#include "ruby/thread.h"
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#include "ruby/util.h"
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#include "builtin.h"
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#ifndef AT_FDCWD
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# define AT_FDCWD -1
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#endif
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#define vm_initialized rb_cThread
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/* define system APIs */
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#ifdef _WIN32
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# undef chdir
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# define chdir(p) rb_w32_uchdir(p)
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# undef mkdir
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# define mkdir(p, m) rb_w32_umkdir((p), (m))
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# undef rmdir
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# define rmdir(p) rb_w32_urmdir(p)
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# undef opendir
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# define opendir(p) rb_w32_uopendir(p)
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# define ruby_getcwd() rb_w32_ugetcwd(NULL, 0)
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# define IS_WIN32 1
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#else
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# define IS_WIN32 0
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#endif
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#if NORMALIZE_UTF8PATH
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# if defined HAVE_FGETATTRLIST || !defined HAVE_GETATTRLIST
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# define need_normalization(dirp, path) need_normalization(dirp)
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# else
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# define need_normalization(dirp, path) need_normalization(path)
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# endif
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static inline int
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need_normalization(DIR *dirp, const char *path)
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{
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# if defined HAVE_FGETATTRLIST || defined HAVE_GETATTRLIST
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u_int32_t attrbuf[SIZEUP32(fsobj_tag_t)];
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struct attrlist al = {ATTR_BIT_MAP_COUNT, 0, ATTR_CMN_OBJTAG,};
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# if defined HAVE_FGETATTRLIST
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int ret = fgetattrlist(dirfd(dirp), &al, attrbuf, sizeof(attrbuf), 0);
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# else
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int ret = getattrlist(path, &al, attrbuf, sizeof(attrbuf), 0);
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# endif
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if (!ret) {
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const fsobj_tag_t *tag = (void *)(attrbuf+1);
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switch (*tag) {
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case VT_HFS:
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case VT_CIFS:
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return TRUE;
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}
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}
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# endif
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return FALSE;
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}
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static inline int
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has_nonascii(const char *ptr, size_t len)
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{
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while (len > 0) {
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if (!ISASCII(*ptr)) return 1;
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ptr++;
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--len;
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}
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return 0;
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}
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# define IF_NORMALIZE_UTF8PATH(something) something
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#else
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# define IF_NORMALIZE_UTF8PATH(something) /* nothing */
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#endif
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#if defined(IFTODT) && defined(DT_UNKNOWN)
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# define EMULATE_IFTODT 0
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#else
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# define EMULATE_IFTODT 1
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#endif
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#if EMULATE_IFTODT
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# define IFTODT(m) (((m) & S_IFMT) / ((~S_IFMT & (S_IFMT-1)) + 1))
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#endif
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typedef enum {
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#if !EMULATE_IFTODT
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path_exist = DT_UNKNOWN,
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path_directory = DT_DIR,
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path_regular = DT_REG,
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path_symlink = DT_LNK,
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#else
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path_exist,
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path_directory = IFTODT(S_IFDIR),
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path_regular = IFTODT(S_IFREG),
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path_symlink = IFTODT(S_IFLNK),
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#endif
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path_noent = -1,
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path_unknown = -2
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} rb_pathtype_t;
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#define FNM_NOESCAPE 0x01
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#define FNM_PATHNAME 0x02
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#define FNM_DOTMATCH 0x04
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#define FNM_CASEFOLD 0x08
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#define FNM_EXTGLOB 0x10
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#if CASEFOLD_FILESYSTEM
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#define FNM_SYSCASE FNM_CASEFOLD
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#else
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#define FNM_SYSCASE 0
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#endif
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#ifdef _WIN32
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#define FNM_SHORTNAME 0x20
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#else
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#define FNM_SHORTNAME 0
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#endif
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#define FNM_GLOB_NOSORT 0x40
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#define FNM_GLOB_SKIPDOT 0x80
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#define FNM_NOMATCH 1
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#define FNM_ERROR 2
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# define Next(p, e, enc) ((p)+ rb_enc_mbclen((p), (e), (enc)))
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# define Inc(p, e, enc) ((p) = Next((p), (e), (enc)))
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static char *
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bracket(
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const char *p, /* pattern (next to '[') */
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const char *pend,
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const char *s, /* string */
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const char *send,
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int flags,
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rb_encoding *enc)
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{
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const int nocase = flags & FNM_CASEFOLD;
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const int escape = !(flags & FNM_NOESCAPE);
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unsigned int c1, c2;
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int r;
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int ok = 0, not = 0;
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if (p >= pend) return NULL;
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if (*p == '!' || *p == '^') {
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not = 1;
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p++;
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}
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while (*p != ']') {
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const char *t1 = p;
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if (escape && *t1 == '\\')
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t1++;
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if (!*t1)
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return NULL;
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p = t1 + (r = rb_enc_mbclen(t1, pend, enc));
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if (p >= pend) return NULL;
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if (p[0] == '-' && p[1] != ']') {
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const char *t2 = p + 1;
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int r2;
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if (escape && *t2 == '\\')
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t2++;
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if (!*t2)
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return NULL;
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p = t2 + (r2 = rb_enc_mbclen(t2, pend, enc));
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if (ok) continue;
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if ((r <= (send-s) && memcmp(t1, s, r) == 0) ||
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(r2 <= (send-s) && memcmp(t2, s, r2) == 0)) {
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ok = 1;
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continue;
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}
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c1 = rb_enc_codepoint(s, send, enc);
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if (nocase) c1 = rb_enc_toupper(c1, enc);
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c2 = rb_enc_codepoint(t1, pend, enc);
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if (nocase) c2 = rb_enc_toupper(c2, enc);
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if (c1 < c2) continue;
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c2 = rb_enc_codepoint(t2, pend, enc);
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if (nocase) c2 = rb_enc_toupper(c2, enc);
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if (c1 > c2) continue;
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}
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else {
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if (ok) continue;
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if (r <= (send-s) && memcmp(t1, s, r) == 0) {
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ok = 1;
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continue;
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}
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if (!nocase) continue;
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c1 = rb_enc_toupper(rb_enc_codepoint(s, send, enc), enc);
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c2 = rb_enc_toupper(rb_enc_codepoint(p, pend, enc), enc);
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if (c1 != c2) continue;
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}
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ok = 1;
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}
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return ok == not ? NULL : (char *)p + 1;
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}
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/* If FNM_PATHNAME is set, only path element will be matched. (up to '/' or '\0')
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Otherwise, entire string will be matched.
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End marker itself won't be compared.
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And if function succeeds, *pcur reaches end marker.
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*/
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#define UNESCAPE(p) (escape && *(p) == '\\' ? (p) + 1 : (p))
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#define ISEND(p) (!*(p) || (pathname && *(p) == '/'))
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#define RETURN(val) return *pcur = p, *scur = s, (val);
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static int
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fnmatch_helper(
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const char **pcur, /* pattern */
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const char **scur, /* string */
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int flags,
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rb_encoding *enc)
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{
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const int period = !(flags & FNM_DOTMATCH);
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const int pathname = flags & FNM_PATHNAME;
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const int escape = !(flags & FNM_NOESCAPE);
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const int nocase = flags & FNM_CASEFOLD;
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const char *ptmp = 0;
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const char *stmp = 0;
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const char *p = *pcur;
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const char *pend = p + strlen(p);
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const char *s = *scur;
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const char *send = s + strlen(s);
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int r;
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if (period && *s == '.' && *UNESCAPE(p) != '.') /* leading period */
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RETURN(FNM_NOMATCH);
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while (1) {
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switch (*p) {
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case '*':
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do { p++; } while (*p == '*');
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if (ISEND(UNESCAPE(p))) {
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p = UNESCAPE(p);
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RETURN(0);
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}
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if (ISEND(s))
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RETURN(FNM_NOMATCH);
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ptmp = p;
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stmp = s;
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continue;
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case '?':
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if (ISEND(s))
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RETURN(FNM_NOMATCH);
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p++;
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Inc(s, send, enc);
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continue;
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case '[': {
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const char *t;
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if (ISEND(s))
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RETURN(FNM_NOMATCH);
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if ((t = bracket(p + 1, pend, s, send, flags, enc)) != 0) {
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p = t;
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Inc(s, send, enc);
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continue;
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}
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goto failed;
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}
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}
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/* ordinary */
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p = UNESCAPE(p);
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if (ISEND(s))
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RETURN(ISEND(p) ? 0 : FNM_NOMATCH);
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if (ISEND(p))
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goto failed;
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r = rb_enc_precise_mbclen(p, pend, enc);
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if (!MBCLEN_CHARFOUND_P(r))
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goto failed;
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if (r <= (send-s) && memcmp(p, s, r) == 0) {
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p += r;
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s += r;
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continue;
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}
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if (!nocase) goto failed;
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if (rb_enc_toupper(rb_enc_codepoint(p, pend, enc), enc) !=
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rb_enc_toupper(rb_enc_codepoint(s, send, enc), enc))
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goto failed;
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p += r;
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Inc(s, send, enc);
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continue;
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failed: /* try next '*' position */
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if (ptmp && stmp) {
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p = ptmp;
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Inc(stmp, send, enc); /* !ISEND(*stmp) */
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s = stmp;
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continue;
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}
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RETURN(FNM_NOMATCH);
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}
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}
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static int
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fnmatch(
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const char *pattern,
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rb_encoding *enc,
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const char *string,
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int flags)
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{
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const char *p = pattern;
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const char *s = string;
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const char *send = s + strlen(string);
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const int period = !(flags & FNM_DOTMATCH);
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const int pathname = flags & FNM_PATHNAME;
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const char *ptmp = 0;
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const char *stmp = 0;
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if (pathname) {
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while (1) {
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if (p[0] == '*' && p[1] == '*' && p[2] == '/') {
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do { p += 3; } while (p[0] == '*' && p[1] == '*' && p[2] == '/');
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ptmp = p;
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stmp = s;
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}
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if (fnmatch_helper(&p, &s, flags, enc) == 0) {
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while (*s && *s != '/') Inc(s, send, enc);
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if (*p && *s) {
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p++;
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s++;
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continue;
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}
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if (!*p && !*s)
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return 0;
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}
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/* failed : try next recursion */
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if (ptmp && stmp && !(period && *stmp == '.')) {
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while (*stmp && *stmp != '/') Inc(stmp, send, enc);
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if (*stmp) {
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p = ptmp;
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stmp++;
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s = stmp;
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continue;
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}
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}
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return FNM_NOMATCH;
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}
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}
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else
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return fnmatch_helper(&p, &s, flags, enc);
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}
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|
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VALUE rb_cDir;
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struct dir_data {
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DIR *dir;
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const VALUE path;
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rb_encoding *enc;
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};
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static void
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dir_free(void *ptr)
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{
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struct dir_data *dir = ptr;
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if (dir->dir) closedir(dir->dir);
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xfree(dir);
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}
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static size_t
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dir_memsize(const void *ptr)
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{
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return sizeof(struct dir_data);
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}
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RUBY_REFERENCES_START(dir_refs)
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REF_EDGE(dir_data, path),
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RUBY_REFERENCES_END
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static const rb_data_type_t dir_data_type = {
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"dir",
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{REFS_LIST_PTR(dir_refs), dir_free, dir_memsize,},
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0, NULL, RUBY_TYPED_WB_PROTECTED | RUBY_TYPED_FREE_IMMEDIATELY | RUBY_TYPED_DECL_MARKING
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};
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static VALUE dir_close(VALUE);
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|
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static VALUE
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dir_s_alloc(VALUE klass)
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{
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struct dir_data *dirp;
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VALUE obj = TypedData_Make_Struct(klass, struct dir_data, &dir_data_type, dirp);
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dirp->dir = NULL;
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RB_OBJ_WRITE(obj, &dirp->path, Qnil);
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dirp->enc = NULL;
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|
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return obj;
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}
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|
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static void *
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nogvl_opendir(void *ptr)
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{
|
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const char *path = ptr;
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|
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return (void *)opendir(path);
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}
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|
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static DIR *
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opendir_without_gvl(const char *path)
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{
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if (vm_initialized) {
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union { const void *in; void *out; } u;
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u.in = path;
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return rb_thread_call_without_gvl(nogvl_opendir, u.out, RUBY_UBF_IO, 0);
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}
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else
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return opendir(path);
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}
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|
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static VALUE
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dir_initialize(rb_execution_context_t *ec, VALUE dir, VALUE dirname, VALUE enc)
|
|
{
|
|
struct dir_data *dp;
|
|
VALUE orig;
|
|
const char *path;
|
|
rb_encoding *fsenc = NIL_P(enc) ? rb_filesystem_encoding() : rb_to_encoding(enc);
|
|
|
|
FilePathValue(dirname);
|
|
orig = rb_str_dup_frozen(dirname);
|
|
dirname = rb_str_encode_ospath(dirname);
|
|
dirname = rb_str_dup_frozen(dirname);
|
|
|
|
TypedData_Get_Struct(dir, struct dir_data, &dir_data_type, dp);
|
|
if (dp->dir) closedir(dp->dir);
|
|
dp->dir = NULL;
|
|
RB_OBJ_WRITE(dir, &dp->path, Qnil);
|
|
dp->enc = fsenc;
|
|
path = RSTRING_PTR(dirname);
|
|
dp->dir = opendir_without_gvl(path);
|
|
if (dp->dir == NULL) {
|
|
int e = errno;
|
|
if (rb_gc_for_fd(e)) {
|
|
dp->dir = opendir_without_gvl(path);
|
|
}
|
|
#ifdef HAVE_GETATTRLIST
|
|
else if (e == EIO) {
|
|
u_int32_t attrbuf[1];
|
|
struct attrlist al = {ATTR_BIT_MAP_COUNT, 0};
|
|
if (getattrlist(path, &al, attrbuf, sizeof(attrbuf), FSOPT_NOFOLLOW) == 0) {
|
|
dp->dir = opendir_without_gvl(path);
|
|
}
|
|
}
|
|
#endif
|
|
if (dp->dir == NULL) {
|
|
RB_GC_GUARD(dirname);
|
|
rb_syserr_fail_path(e, orig);
|
|
}
|
|
}
|
|
RB_OBJ_WRITE(dir, &dp->path, orig);
|
|
|
|
return dir;
|
|
}
|
|
|
|
static VALUE
|
|
dir_s_open(rb_execution_context_t *ec, VALUE klass, VALUE dirname, VALUE enc)
|
|
{
|
|
struct dir_data *dp;
|
|
VALUE dir = TypedData_Make_Struct(klass, struct dir_data, &dir_data_type, dp);
|
|
|
|
dir_initialize(ec, dir, dirname, enc);
|
|
|
|
return dir;
|
|
}
|
|
|
|
static VALUE
|
|
dir_s_close(rb_execution_context_t *ec, VALUE klass, VALUE dir)
|
|
{
|
|
return dir_close(dir);
|
|
}
|
|
|
|
# if defined(HAVE_FDOPENDIR) && defined(HAVE_DIRFD)
|
|
/*
|
|
* call-seq:
|
|
* Dir.for_fd(integer) -> aDir
|
|
*
|
|
* Returns a Dir representing the directory specified by the given
|
|
* directory file descriptor. Note that the returned Dir will not
|
|
* have an associated path.
|
|
*
|
|
* d1 = Dir.new('..')
|
|
* d2 = Dir.for_fd(d1.fileno)
|
|
* d1.path # => '..'
|
|
* d2.path # => nil
|
|
* d1.chdir{Dir.pwd} == d2.chdir{Dir.pwd} # => true
|
|
*
|
|
* This method uses fdopendir() function defined by POSIX 2008.
|
|
* NotImplementedError is raised on other platforms, such as Windows,
|
|
* which doesn't provide the function.
|
|
*
|
|
*/
|
|
static VALUE
|
|
dir_s_for_fd(VALUE klass, VALUE fd)
|
|
{
|
|
struct dir_data *dp;
|
|
VALUE dir = TypedData_Make_Struct(klass, struct dir_data, &dir_data_type, dp);
|
|
|
|
if (!(dp->dir = fdopendir(NUM2INT(fd)))) {
|
|
rb_sys_fail("fdopendir");
|
|
UNREACHABLE_RETURN(Qnil);
|
|
}
|
|
|
|
RB_OBJ_WRITE(dir, &dp->path, Qnil);
|
|
return dir;
|
|
}
|
|
#else
|
|
#define dir_s_for_fd rb_f_notimplement
|
|
#endif
|
|
|
|
NORETURN(static void dir_closed(void));
|
|
|
|
static void
|
|
dir_closed(void)
|
|
{
|
|
rb_raise(rb_eIOError, "closed directory");
|
|
}
|
|
|
|
static struct dir_data *
|
|
dir_get(VALUE dir)
|
|
{
|
|
rb_check_frozen(dir);
|
|
return rb_check_typeddata(dir, &dir_data_type);
|
|
}
|
|
|
|
static struct dir_data *
|
|
dir_check(VALUE dir)
|
|
{
|
|
struct dir_data *dirp = dir_get(dir);
|
|
if (!dirp->dir) dir_closed();
|
|
return dirp;
|
|
}
|
|
|
|
#define GetDIR(obj, dirp) ((dirp) = dir_check(obj))
|
|
|
|
|
|
/*
|
|
* call-seq:
|
|
* dir.inspect -> string
|
|
*
|
|
* Return a string describing this Dir object.
|
|
*/
|
|
static VALUE
|
|
dir_inspect(VALUE dir)
|
|
{
|
|
struct dir_data *dirp;
|
|
|
|
TypedData_Get_Struct(dir, struct dir_data, &dir_data_type, dirp);
|
|
if (!NIL_P(dirp->path)) {
|
|
VALUE str = rb_str_new_cstr("#<");
|
|
rb_str_append(str, rb_class_name(CLASS_OF(dir)));
|
|
rb_str_cat2(str, ":");
|
|
rb_str_append(str, dirp->path);
|
|
rb_str_cat2(str, ">");
|
|
return str;
|
|
}
|
|
return rb_funcallv(dir, idTo_s, 0, 0);
|
|
}
|
|
|
|
/* Workaround for Solaris 10 that does not have dirfd.
|
|
Note: Solaris 11 (POSIX.1-2008 compliant) has dirfd(3C).
|
|
*/
|
|
#if defined(__sun) && !defined(HAVE_DIRFD)
|
|
# if defined(HAVE_DIR_D_FD)
|
|
# define dirfd(x) ((x)->d_fd)
|
|
# define HAVE_DIRFD 1
|
|
# elif defined(HAVE_DIR_DD_FD)
|
|
# define dirfd(x) ((x)->dd_fd)
|
|
# define HAVE_DIRFD 1
|
|
# endif
|
|
#endif
|
|
|
|
#ifdef HAVE_DIRFD
|
|
/*
|
|
* call-seq:
|
|
* dir.fileno -> integer
|
|
*
|
|
* Returns the file descriptor used in <em>dir</em>.
|
|
*
|
|
* d = Dir.new("..")
|
|
* d.fileno #=> 8
|
|
*
|
|
* This method uses dirfd() function defined by POSIX 2008.
|
|
* NotImplementedError is raised on other platforms, such as Windows,
|
|
* which doesn't provide the function.
|
|
*
|
|
*/
|
|
static VALUE
|
|
dir_fileno(VALUE dir)
|
|
{
|
|
struct dir_data *dirp;
|
|
int fd;
|
|
|
|
GetDIR(dir, dirp);
|
|
fd = dirfd(dirp->dir);
|
|
if (fd == -1)
|
|
rb_sys_fail("dirfd");
|
|
return INT2NUM(fd);
|
|
}
|
|
#else
|
|
#define dir_fileno rb_f_notimplement
|
|
#endif
|
|
|
|
/*
|
|
* call-seq:
|
|
* dir.path -> string or nil
|
|
* dir.to_path -> string or nil
|
|
*
|
|
* Returns the path parameter passed to <em>dir</em>'s constructor.
|
|
*
|
|
* d = Dir.new("..")
|
|
* d.path #=> ".."
|
|
*/
|
|
static VALUE
|
|
dir_path(VALUE dir)
|
|
{
|
|
struct dir_data *dirp;
|
|
|
|
TypedData_Get_Struct(dir, struct dir_data, &dir_data_type, dirp);
|
|
if (NIL_P(dirp->path)) return Qnil;
|
|
return rb_str_dup(dirp->path);
|
|
}
|
|
|
|
#if defined _WIN32
|
|
static int
|
|
fundamental_encoding_p(rb_encoding *enc)
|
|
{
|
|
switch (rb_enc_to_index(enc)) {
|
|
case ENCINDEX_ASCII_8BIT:
|
|
case ENCINDEX_US_ASCII:
|
|
case ENCINDEX_UTF_8:
|
|
return TRUE;
|
|
default:
|
|
return FALSE;
|
|
}
|
|
}
|
|
# define READDIR(dir, enc) rb_w32_readdir((dir), (enc))
|
|
#else
|
|
# define READDIR(dir, enc) readdir((dir))
|
|
#endif
|
|
|
|
/* safe to use without GVL */
|
|
static int
|
|
to_be_skipped(const struct dirent *dp)
|
|
{
|
|
const char *name = dp->d_name;
|
|
if (name[0] != '.') return FALSE;
|
|
#ifdef HAVE_DIRENT_NAMLEN
|
|
switch (NAMLEN(dp)) {
|
|
case 2:
|
|
if (name[1] != '.') return FALSE;
|
|
case 1:
|
|
return TRUE;
|
|
default:
|
|
break;
|
|
}
|
|
#else
|
|
if (!name[1]) return TRUE;
|
|
if (name[1] != '.') return FALSE;
|
|
if (!name[2]) return TRUE;
|
|
#endif
|
|
return FALSE;
|
|
}
|
|
|
|
/*
|
|
* call-seq:
|
|
* dir.read -> string or nil
|
|
*
|
|
* Reads the next entry from <em>dir</em> and returns it as a string.
|
|
* Returns <code>nil</code> at the end of the stream.
|
|
*
|
|
* d = Dir.new("testdir")
|
|
* d.read #=> "."
|
|
* d.read #=> ".."
|
|
* d.read #=> "config.h"
|
|
*/
|
|
static VALUE
|
|
dir_read(VALUE dir)
|
|
{
|
|
struct dir_data *dirp;
|
|
struct dirent *dp;
|
|
|
|
GetDIR(dir, dirp);
|
|
errno = 0;
|
|
if ((dp = READDIR(dirp->dir, dirp->enc)) != NULL) {
|
|
return rb_external_str_new_with_enc(dp->d_name, NAMLEN(dp), dirp->enc);
|
|
}
|
|
else {
|
|
int e = errno;
|
|
if (e != 0) rb_syserr_fail(e, 0);
|
|
return Qnil; /* end of stream */
|
|
}
|
|
}
|
|
|
|
static VALUE dir_each_entry(VALUE, VALUE (*)(VALUE, VALUE), VALUE, int);
|
|
|
|
static VALUE
|
|
dir_yield(VALUE arg, VALUE path)
|
|
{
|
|
return rb_yield(path);
|
|
}
|
|
|
|
/*
|
|
* call-seq:
|
|
* dir.each { |filename| block } -> dir
|
|
* dir.each -> an_enumerator
|
|
*
|
|
* Calls the block once for each entry in this directory, passing the
|
|
* filename of each entry as a parameter to the block.
|
|
*
|
|
* If no block is given, an enumerator is returned instead.
|
|
*
|
|
* d = Dir.new("testdir")
|
|
* d.each {|x| puts "Got #{x}" }
|
|
*
|
|
* <em>produces:</em>
|
|
*
|
|
* Got .
|
|
* Got ..
|
|
* Got config.h
|
|
* Got main.rb
|
|
*/
|
|
static VALUE
|
|
dir_each(VALUE dir)
|
|
{
|
|
RETURN_ENUMERATOR(dir, 0, 0);
|
|
return dir_each_entry(dir, dir_yield, Qnil, FALSE);
|
|
}
|
|
|
|
static VALUE
|
|
dir_each_entry(VALUE dir, VALUE (*each)(VALUE, VALUE), VALUE arg, int children_only)
|
|
{
|
|
struct dir_data *dirp;
|
|
struct dirent *dp;
|
|
IF_NORMALIZE_UTF8PATH(int norm_p);
|
|
|
|
GetDIR(dir, dirp);
|
|
rewinddir(dirp->dir);
|
|
IF_NORMALIZE_UTF8PATH(norm_p = need_normalization(dirp->dir, RSTRING_PTR(dirp->path)));
|
|
while ((dp = READDIR(dirp->dir, dirp->enc)) != NULL) {
|
|
const char *name = dp->d_name;
|
|
size_t namlen = NAMLEN(dp);
|
|
VALUE path;
|
|
|
|
if (children_only && name[0] == '.') {
|
|
if (namlen == 1) continue; /* current directory */
|
|
if (namlen == 2 && name[1] == '.') continue; /* parent directory */
|
|
}
|
|
#if NORMALIZE_UTF8PATH
|
|
if (norm_p && has_nonascii(name, namlen) &&
|
|
!NIL_P(path = rb_str_normalize_ospath(name, namlen))) {
|
|
path = rb_external_str_with_enc(path, dirp->enc);
|
|
}
|
|
else
|
|
#endif
|
|
path = rb_external_str_new_with_enc(name, namlen, dirp->enc);
|
|
(*each)(arg, path);
|
|
}
|
|
return dir;
|
|
}
|
|
|
|
#ifdef HAVE_TELLDIR
|
|
/*
|
|
* call-seq:
|
|
* dir.pos -> integer
|
|
* dir.tell -> integer
|
|
*
|
|
* Returns the current position in <em>dir</em>. See also Dir#seek.
|
|
*
|
|
* d = Dir.new("testdir")
|
|
* d.tell #=> 0
|
|
* d.read #=> "."
|
|
* d.tell #=> 12
|
|
*/
|
|
static VALUE
|
|
dir_tell(VALUE dir)
|
|
{
|
|
struct dir_data *dirp;
|
|
long pos;
|
|
|
|
GetDIR(dir, dirp);
|
|
pos = telldir(dirp->dir);
|
|
return rb_int2inum(pos);
|
|
}
|
|
#else
|
|
#define dir_tell rb_f_notimplement
|
|
#endif
|
|
|
|
#ifdef HAVE_SEEKDIR
|
|
/*
|
|
* call-seq:
|
|
* dir.seek( integer ) -> dir
|
|
*
|
|
* Seeks to a particular location in <em>dir</em>. <i>integer</i>
|
|
* must be a value returned by Dir#tell.
|
|
*
|
|
* d = Dir.new("testdir") #=> #<Dir:0x401b3c40>
|
|
* d.read #=> "."
|
|
* i = d.tell #=> 12
|
|
* d.read #=> ".."
|
|
* d.seek(i) #=> #<Dir:0x401b3c40>
|
|
* d.read #=> ".."
|
|
*/
|
|
static VALUE
|
|
dir_seek(VALUE dir, VALUE pos)
|
|
{
|
|
struct dir_data *dirp;
|
|
long p = NUM2LONG(pos);
|
|
|
|
GetDIR(dir, dirp);
|
|
seekdir(dirp->dir, p);
|
|
return dir;
|
|
}
|
|
#else
|
|
#define dir_seek rb_f_notimplement
|
|
#endif
|
|
|
|
#ifdef HAVE_SEEKDIR
|
|
/*
|
|
* call-seq:
|
|
* dir.pos = integer -> integer
|
|
*
|
|
* Synonym for Dir#seek, but returns the position parameter.
|
|
*
|
|
* d = Dir.new("testdir") #=> #<Dir:0x401b3c40>
|
|
* d.read #=> "."
|
|
* i = d.pos #=> 12
|
|
* d.read #=> ".."
|
|
* d.pos = i #=> 12
|
|
* d.read #=> ".."
|
|
*/
|
|
static VALUE
|
|
dir_set_pos(VALUE dir, VALUE pos)
|
|
{
|
|
dir_seek(dir, pos);
|
|
return pos;
|
|
}
|
|
#else
|
|
#define dir_set_pos rb_f_notimplement
|
|
#endif
|
|
|
|
/*
|
|
* call-seq:
|
|
* dir.rewind -> dir
|
|
*
|
|
* Repositions <em>dir</em> to the first entry.
|
|
*
|
|
* d = Dir.new("testdir")
|
|
* d.read #=> "."
|
|
* d.rewind #=> #<Dir:0x401b3fb0>
|
|
* d.read #=> "."
|
|
*/
|
|
static VALUE
|
|
dir_rewind(VALUE dir)
|
|
{
|
|
struct dir_data *dirp;
|
|
|
|
GetDIR(dir, dirp);
|
|
rewinddir(dirp->dir);
|
|
return dir;
|
|
}
|
|
|
|
/*
|
|
* call-seq:
|
|
* dir.close -> nil
|
|
*
|
|
* Closes the directory stream.
|
|
* Calling this method on closed Dir object is ignored since Ruby 2.3.
|
|
*
|
|
* d = Dir.new("testdir")
|
|
* d.close #=> nil
|
|
*/
|
|
static VALUE
|
|
dir_close(VALUE dir)
|
|
{
|
|
struct dir_data *dirp;
|
|
|
|
dirp = dir_get(dir);
|
|
if (!dirp->dir) return Qnil;
|
|
closedir(dirp->dir);
|
|
dirp->dir = NULL;
|
|
|
|
return Qnil;
|
|
}
|
|
|
|
static void *
|
|
nogvl_chdir(void *ptr)
|
|
{
|
|
const char *path = ptr;
|
|
|
|
return (void *)(VALUE)chdir(path);
|
|
}
|
|
|
|
static void
|
|
dir_chdir0(VALUE path)
|
|
{
|
|
if (chdir(RSTRING_PTR(path)) < 0)
|
|
rb_sys_fail_path(path);
|
|
}
|
|
|
|
static int chdir_blocking = 0;
|
|
static VALUE chdir_thread = Qnil;
|
|
|
|
struct chdir_data {
|
|
VALUE old_path, new_path;
|
|
int done;
|
|
};
|
|
|
|
static VALUE
|
|
chdir_yield(VALUE v)
|
|
{
|
|
struct chdir_data *args = (void *)v;
|
|
dir_chdir0(args->new_path);
|
|
args->done = TRUE;
|
|
chdir_blocking++;
|
|
if (NIL_P(chdir_thread))
|
|
chdir_thread = rb_thread_current();
|
|
return rb_yield(args->new_path);
|
|
}
|
|
|
|
static VALUE
|
|
chdir_restore(VALUE v)
|
|
{
|
|
struct chdir_data *args = (void *)v;
|
|
if (args->done) {
|
|
chdir_blocking--;
|
|
if (chdir_blocking == 0)
|
|
chdir_thread = Qnil;
|
|
dir_chdir0(args->old_path);
|
|
}
|
|
return Qnil;
|
|
}
|
|
|
|
/*
|
|
* call-seq:
|
|
* Dir.chdir( [ string] ) -> 0
|
|
* Dir.chdir( [ string] ) {| path | block } -> anObject
|
|
*
|
|
* Changes the current working directory of the process to the given
|
|
* string. When called without an argument, changes the directory to
|
|
* the value of the environment variable <code>HOME</code>, or
|
|
* <code>LOGDIR</code>. SystemCallError (probably Errno::ENOENT) if
|
|
* the target directory does not exist.
|
|
*
|
|
* If a block is given, it is passed the name of the new current
|
|
* directory, and the block is executed with that as the current
|
|
* directory. The original working directory is restored when the block
|
|
* exits. The return value of <code>chdir</code> is the value of the
|
|
* block. <code>chdir</code> blocks can be nested, but in a
|
|
* multi-threaded program an error will be raised if a thread attempts
|
|
* to open a <code>chdir</code> block while another thread has one
|
|
* open or a call to <code>chdir</code> without a block occurs inside
|
|
* a block passed to <code>chdir</code> (even in the same thread).
|
|
*
|
|
* Dir.chdir("/var/spool/mail")
|
|
* puts Dir.pwd
|
|
* Dir.chdir("/tmp") do
|
|
* puts Dir.pwd
|
|
* Dir.chdir("/usr") do
|
|
* puts Dir.pwd
|
|
* end
|
|
* puts Dir.pwd
|
|
* end
|
|
* puts Dir.pwd
|
|
*
|
|
* <em>produces:</em>
|
|
*
|
|
* /var/spool/mail
|
|
* /tmp
|
|
* /usr
|
|
* /tmp
|
|
* /var/spool/mail
|
|
*/
|
|
static VALUE
|
|
dir_s_chdir(int argc, VALUE *argv, VALUE obj)
|
|
{
|
|
VALUE path = Qnil;
|
|
|
|
if (rb_check_arity(argc, 0, 1) == 1) {
|
|
path = rb_str_encode_ospath(rb_get_path(argv[0]));
|
|
}
|
|
else {
|
|
const char *dist = getenv("HOME");
|
|
if (!dist) {
|
|
dist = getenv("LOGDIR");
|
|
if (!dist) rb_raise(rb_eArgError, "HOME/LOGDIR not set");
|
|
}
|
|
path = rb_str_new2(dist);
|
|
}
|
|
|
|
if (chdir_blocking > 0) {
|
|
if (rb_thread_current() != chdir_thread)
|
|
rb_raise(rb_eRuntimeError, "conflicting chdir during another chdir block");
|
|
if (!rb_block_given_p())
|
|
rb_warn("conflicting chdir during another chdir block");
|
|
}
|
|
|
|
if (rb_block_given_p()) {
|
|
struct chdir_data args;
|
|
|
|
args.old_path = rb_str_encode_ospath(rb_dir_getwd());
|
|
args.new_path = path;
|
|
args.done = FALSE;
|
|
return rb_ensure(chdir_yield, (VALUE)&args, chdir_restore, (VALUE)&args);
|
|
}
|
|
else {
|
|
char *p = RSTRING_PTR(path);
|
|
int r = (int)(VALUE)rb_thread_call_without_gvl(nogvl_chdir, p,
|
|
RUBY_UBF_IO, 0);
|
|
if (r < 0)
|
|
rb_sys_fail_path(path);
|
|
}
|
|
|
|
return INT2FIX(0);
|
|
}
|
|
|
|
#if defined(HAVE_FCHDIR) && defined(HAVE_DIRFD) && HAVE_FCHDIR && HAVE_DIRFD
|
|
static void *
|
|
nogvl_fchdir(void *ptr)
|
|
{
|
|
const int *fd = ptr;
|
|
|
|
return (void *)(VALUE)fchdir(*fd);
|
|
}
|
|
|
|
static void
|
|
dir_fchdir(int fd)
|
|
{
|
|
if (fchdir(fd) < 0)
|
|
rb_sys_fail("fchdir");
|
|
}
|
|
|
|
struct fchdir_data {
|
|
VALUE old_dir;
|
|
int fd;
|
|
int done;
|
|
};
|
|
|
|
static VALUE
|
|
fchdir_yield(VALUE v)
|
|
{
|
|
struct fchdir_data *args = (void *)v;
|
|
dir_fchdir(args->fd);
|
|
args->done = TRUE;
|
|
chdir_blocking++;
|
|
if (NIL_P(chdir_thread))
|
|
chdir_thread = rb_thread_current();
|
|
return rb_yield_values(0);
|
|
}
|
|
|
|
static VALUE
|
|
fchdir_restore(VALUE v)
|
|
{
|
|
struct fchdir_data *args = (void *)v;
|
|
if (args->done) {
|
|
chdir_blocking--;
|
|
if (chdir_blocking == 0)
|
|
chdir_thread = Qnil;
|
|
dir_fchdir(RB_NUM2INT(dir_fileno(args->old_dir)));
|
|
}
|
|
dir_close(args->old_dir);
|
|
return Qnil;
|
|
}
|
|
|
|
/*
|
|
* call-seq:
|
|
* Dir.fchdir( integer ) -> 0
|
|
* Dir.fchdir( integer ) { block } -> anObject
|
|
*
|
|
* Changes the current working directory of the process to the directory
|
|
* specified by the given file descriptor integer. If the file descriptor
|
|
* is not valid, raises SystemCallError. One reason to use
|
|
* <code>fchdir</code> instead of <code>chdir</code> is when passing
|
|
* directory file descriptors over a UNIX socket or to child processes,
|
|
* to avoid TOCTOU (time-of-check to time-of-use) vulnerabilities.
|
|
*
|
|
* If a block is given, the current working directory is changed for the
|
|
* duration of the block, and the original working directory is restored
|
|
* when the block exits. The return value of <code>fchdir</code> is the
|
|
* value of the block. <code>fchdir</code> and <code>chdir</code> blocks
|
|
* can be nested, but in a multi-threaded program an error will be raised
|
|
* if a thread attempts to open a <code>fchdir</code> or <code>chdir</code>
|
|
* block while another thread has one open or a call to <code>fchdir</code>
|
|
* or <code>chdir</code> without a block occurs inside a block passed to
|
|
* <code>fchdir</code> or <code>chdir</code> (even in the same thread).
|
|
*
|
|
* When generating directory file descriptors from a +Dir+ instance,
|
|
* make sure the +Dir+ instance is not garbage collected before the
|
|
* directory file descriptor is passed to another process. Otherwise,
|
|
* the directory file descriptor will be closed before it is passed.
|
|
*
|
|
* dir = Dir.new("/var/spool/mail")
|
|
* dir2 = Dir.new("/usr")
|
|
* fd = dir.fileno
|
|
* fd2 = dir2.fileno
|
|
* Dir.fchdir(fd) do
|
|
* puts Dir.pwd
|
|
* Dir.fchdir(fd2) do
|
|
* puts Dir.pwd
|
|
* end
|
|
* puts Dir.pwd
|
|
* end
|
|
* puts Dir.pwd
|
|
*
|
|
* <em>produces:</em>
|
|
*
|
|
* /var/spool/mail
|
|
* /tmp
|
|
* /usr
|
|
* /tmp
|
|
* /var/spool/mail
|
|
*/
|
|
static VALUE
|
|
dir_s_fchdir(VALUE klass, VALUE fd_value)
|
|
{
|
|
int fd = RB_NUM2INT(fd_value);
|
|
|
|
if (chdir_blocking > 0) {
|
|
if (rb_thread_current() != chdir_thread)
|
|
rb_raise(rb_eRuntimeError, "conflicting chdir during another chdir block");
|
|
if (!rb_block_given_p())
|
|
rb_warn("conflicting chdir during another chdir block");
|
|
}
|
|
|
|
if (rb_block_given_p()) {
|
|
struct fchdir_data args;
|
|
args.old_dir = dir_s_alloc(klass);
|
|
dir_initialize(NULL, args.old_dir, rb_fstring_cstr("."), Qnil);
|
|
args.fd = fd;
|
|
args.done = FALSE;
|
|
return rb_ensure(fchdir_yield, (VALUE)&args, fchdir_restore, (VALUE)&args);
|
|
}
|
|
else {
|
|
int r = (int)(VALUE)rb_thread_call_without_gvl(nogvl_fchdir, &fd,
|
|
RUBY_UBF_IO, 0);
|
|
if (r < 0)
|
|
rb_sys_fail("fchdir");
|
|
}
|
|
|
|
return INT2FIX(0);
|
|
}
|
|
#else
|
|
#define dir_s_fchdir rb_f_notimplement
|
|
#endif
|
|
|
|
/*
|
|
* call-seq:
|
|
* dir.chdir -> nil
|
|
*
|
|
* Changes the current working directory to the receiver.
|
|
*
|
|
* # Assume current directory is /path
|
|
* Dir.new("testdir").chdir
|
|
* Dir.pwd # => '/path/testdir'
|
|
*/
|
|
static VALUE
|
|
dir_chdir(VALUE dir)
|
|
{
|
|
#if defined(HAVE_FCHDIR) && defined(HAVE_DIRFD) && HAVE_FCHDIR && HAVE_DIRFD
|
|
dir_s_fchdir(rb_cDir, dir_fileno(dir));
|
|
#else
|
|
struct dir_data *dirp;
|
|
dirp = dir_get(dir);
|
|
dir_s_chdir(1, &dirp->path, rb_cDir);
|
|
#endif
|
|
|
|
return Qnil;
|
|
}
|
|
|
|
#ifndef _WIN32
|
|
VALUE
|
|
rb_dir_getwd_ospath(void)
|
|
{
|
|
char *path;
|
|
VALUE cwd;
|
|
VALUE path_guard;
|
|
|
|
#undef RUBY_UNTYPED_DATA_WARNING
|
|
#define RUBY_UNTYPED_DATA_WARNING 0
|
|
path_guard = Data_Wrap_Struct((VALUE)0, NULL, RUBY_DEFAULT_FREE, NULL);
|
|
path = ruby_getcwd();
|
|
DATA_PTR(path_guard) = path;
|
|
#ifdef __APPLE__
|
|
cwd = rb_str_normalize_ospath(path, strlen(path));
|
|
#else
|
|
cwd = rb_str_new2(path);
|
|
#endif
|
|
DATA_PTR(path_guard) = 0;
|
|
|
|
xfree(path);
|
|
return cwd;
|
|
}
|
|
#endif
|
|
|
|
VALUE
|
|
rb_dir_getwd(void)
|
|
{
|
|
rb_encoding *fs = rb_filesystem_encoding();
|
|
int fsenc = rb_enc_to_index(fs);
|
|
VALUE cwd = rb_dir_getwd_ospath();
|
|
|
|
switch (fsenc) {
|
|
case ENCINDEX_US_ASCII:
|
|
fsenc = ENCINDEX_ASCII_8BIT;
|
|
case ENCINDEX_ASCII_8BIT:
|
|
break;
|
|
#if defined _WIN32 || defined __APPLE__
|
|
default:
|
|
return rb_str_conv_enc(cwd, NULL, fs);
|
|
#endif
|
|
}
|
|
return rb_enc_associate_index(cwd, fsenc);
|
|
}
|
|
|
|
/*
|
|
* call-seq:
|
|
* Dir.getwd -> string
|
|
* Dir.pwd -> string
|
|
*
|
|
* Returns the path to the current working directory of this process as
|
|
* a string.
|
|
*
|
|
* Dir.chdir("/tmp") #=> 0
|
|
* Dir.getwd #=> "/tmp"
|
|
* Dir.pwd #=> "/tmp"
|
|
*/
|
|
static VALUE
|
|
dir_s_getwd(VALUE dir)
|
|
{
|
|
return rb_dir_getwd();
|
|
}
|
|
|
|
static VALUE
|
|
check_dirname(VALUE dir)
|
|
{
|
|
VALUE d = dir;
|
|
char *path, *pend;
|
|
long len;
|
|
rb_encoding *enc;
|
|
|
|
FilePathValue(d);
|
|
enc = rb_enc_get(d);
|
|
RSTRING_GETMEM(d, path, len);
|
|
pend = path + len;
|
|
pend = rb_enc_path_end(rb_enc_path_skip_prefix(path, pend, enc), pend, enc);
|
|
if (pend - path < len) {
|
|
d = rb_str_subseq(d, 0, pend - path);
|
|
StringValueCStr(d);
|
|
}
|
|
return rb_str_encode_ospath(d);
|
|
}
|
|
|
|
#if defined(HAVE_CHROOT)
|
|
/*
|
|
* call-seq:
|
|
* Dir.chroot( string ) -> 0
|
|
*
|
|
* Changes this process's idea of the file system root. Only a
|
|
* privileged process may make this call. Not available on all
|
|
* platforms. On Unix systems, see <code>chroot(2)</code> for more
|
|
* information.
|
|
*/
|
|
static VALUE
|
|
dir_s_chroot(VALUE dir, VALUE path)
|
|
{
|
|
path = check_dirname(path);
|
|
if (chroot(RSTRING_PTR(path)) == -1)
|
|
rb_sys_fail_path(path);
|
|
|
|
return INT2FIX(0);
|
|
}
|
|
#else
|
|
#define dir_s_chroot rb_f_notimplement
|
|
#endif
|
|
|
|
struct mkdir_arg {
|
|
const char *path;
|
|
mode_t mode;
|
|
};
|
|
|
|
static void *
|
|
nogvl_mkdir(void *ptr)
|
|
{
|
|
struct mkdir_arg *m = ptr;
|
|
|
|
return (void *)(VALUE)mkdir(m->path, m->mode);
|
|
}
|
|
|
|
/*
|
|
* call-seq:
|
|
* Dir.mkdir( string [, integer] ) -> 0
|
|
*
|
|
* Makes a new directory named by <i>string</i>, with permissions
|
|
* specified by the optional parameter <i>anInteger</i>. The
|
|
* permissions may be modified by the value of File::umask, and are
|
|
* ignored on NT. Raises a SystemCallError if the directory cannot be
|
|
* created. See also the discussion of permissions in the class
|
|
* documentation for File.
|
|
*
|
|
* Dir.mkdir(File.join(Dir.home, ".foo"), 0700) #=> 0
|
|
*
|
|
*/
|
|
static VALUE
|
|
dir_s_mkdir(int argc, VALUE *argv, VALUE obj)
|
|
{
|
|
struct mkdir_arg m;
|
|
VALUE path, vmode;
|
|
int r;
|
|
|
|
if (rb_scan_args(argc, argv, "11", &path, &vmode) == 2) {
|
|
m.mode = NUM2MODET(vmode);
|
|
}
|
|
else {
|
|
m.mode = 0777;
|
|
}
|
|
|
|
path = check_dirname(path);
|
|
m.path = RSTRING_PTR(path);
|
|
r = (int)(VALUE)rb_thread_call_without_gvl(nogvl_mkdir, &m, RUBY_UBF_IO, 0);
|
|
if (r < 0)
|
|
rb_sys_fail_path(path);
|
|
|
|
return INT2FIX(0);
|
|
}
|
|
|
|
static void *
|
|
nogvl_rmdir(void *ptr)
|
|
{
|
|
const char *path = ptr;
|
|
|
|
return (void *)(VALUE)rmdir(path);
|
|
}
|
|
|
|
/*
|
|
* call-seq:
|
|
* Dir.delete( string ) -> 0
|
|
* Dir.rmdir( string ) -> 0
|
|
* Dir.unlink( string ) -> 0
|
|
*
|
|
* Deletes the named directory. Raises a subclass of SystemCallError
|
|
* if the directory isn't empty.
|
|
*/
|
|
static VALUE
|
|
dir_s_rmdir(VALUE obj, VALUE dir)
|
|
{
|
|
const char *p;
|
|
int r;
|
|
|
|
dir = check_dirname(dir);
|
|
p = RSTRING_PTR(dir);
|
|
r = (int)(VALUE)rb_thread_call_without_gvl(nogvl_rmdir, (void *)p, RUBY_UBF_IO, 0);
|
|
if (r < 0)
|
|
rb_sys_fail_path(dir);
|
|
|
|
return INT2FIX(0);
|
|
}
|
|
|
|
struct warning_args {
|
|
#ifdef RUBY_FUNCTION_NAME_STRING
|
|
const char *func;
|
|
#endif
|
|
const char *mesg;
|
|
rb_encoding *enc;
|
|
};
|
|
|
|
#ifndef RUBY_FUNCTION_NAME_STRING
|
|
#define sys_enc_warning_in(func, mesg, enc) sys_enc_warning(mesg, enc)
|
|
#endif
|
|
|
|
static VALUE
|
|
sys_warning_1(VALUE mesg)
|
|
{
|
|
const struct warning_args *arg = (struct warning_args *)mesg;
|
|
#ifdef RUBY_FUNCTION_NAME_STRING
|
|
rb_sys_enc_warning(arg->enc, "%s: %s", arg->func, arg->mesg);
|
|
#else
|
|
rb_sys_enc_warning(arg->enc, "%s", arg->mesg);
|
|
#endif
|
|
return Qnil;
|
|
}
|
|
|
|
static void
|
|
sys_enc_warning_in(const char *func, const char *mesg, rb_encoding *enc)
|
|
{
|
|
struct warning_args arg;
|
|
#ifdef RUBY_FUNCTION_NAME_STRING
|
|
arg.func = func;
|
|
#endif
|
|
arg.mesg = mesg;
|
|
arg.enc = enc;
|
|
rb_protect(sys_warning_1, (VALUE)&arg, 0);
|
|
}
|
|
|
|
#define GLOB_VERBOSE (1U << (sizeof(int) * CHAR_BIT - 1))
|
|
#define sys_warning(val, enc) \
|
|
((flags & GLOB_VERBOSE) ? sys_enc_warning_in(RUBY_FUNCTION_NAME_STRING, (val), (enc)) :(void)0)
|
|
|
|
static inline size_t
|
|
glob_alloc_size(size_t x, size_t y)
|
|
{
|
|
size_t z;
|
|
if (rb_mul_size_overflow(x, y, SSIZE_MAX, &z)) {
|
|
rb_memerror(); /* or...? */
|
|
}
|
|
else {
|
|
return z;
|
|
}
|
|
}
|
|
|
|
static inline void *
|
|
glob_alloc_n(size_t x, size_t y)
|
|
{
|
|
return malloc(glob_alloc_size(x, y));
|
|
}
|
|
|
|
static inline void *
|
|
glob_realloc_n(void *p, size_t x, size_t y)
|
|
{
|
|
return realloc(p, glob_alloc_size(x, y));
|
|
}
|
|
|
|
#define GLOB_ALLOC(type) ((type *)malloc(sizeof(type)))
|
|
#define GLOB_ALLOC_N(type, n) ((type *)glob_alloc_n(sizeof(type), n))
|
|
#define GLOB_REALLOC(ptr, size) realloc((ptr), (size))
|
|
#define GLOB_REALLOC_N(ptr, n) glob_realloc_n(ptr, sizeof(*(ptr)), n)
|
|
#define GLOB_FREE(ptr) free(ptr)
|
|
#define GLOB_JUMP_TAG(status) (((status) == -1) ? rb_memerror() : rb_jump_tag(status))
|
|
|
|
/*
|
|
* ENOTDIR can be returned by stat(2) if a non-leaf element of the path
|
|
* is not a directory.
|
|
*/
|
|
ALWAYS_INLINE(static int to_be_ignored(int e));
|
|
static inline int
|
|
to_be_ignored(int e)
|
|
{
|
|
return e == ENOENT || e == ENOTDIR;
|
|
}
|
|
|
|
#ifdef _WIN32
|
|
#define STAT(p, s) rb_w32_ustati128((p), (s))
|
|
#undef lstat
|
|
#define lstat(p, s) rb_w32_ulstati128((p), (s))
|
|
#else
|
|
#define STAT(p, s) stat((p), (s))
|
|
#endif
|
|
|
|
typedef int ruby_glob_errfunc(const char*, VALUE, const void*, int);
|
|
typedef struct {
|
|
ruby_glob_func *match;
|
|
ruby_glob_errfunc *error;
|
|
} ruby_glob_funcs_t;
|
|
|
|
static const char *
|
|
at_subpath(int fd, size_t baselen, const char *path)
|
|
{
|
|
#if USE_OPENDIR_AT
|
|
if (fd != (int)AT_FDCWD && baselen > 0) {
|
|
path += baselen;
|
|
if (*path == '/') ++path;
|
|
}
|
|
#endif
|
|
return *path ? path : ".";
|
|
}
|
|
|
|
/* System call with warning */
|
|
static int
|
|
do_stat(int fd, size_t baselen, const char *path, struct stat *pst, int flags, rb_encoding *enc)
|
|
{
|
|
#if USE_OPENDIR_AT
|
|
int ret = fstatat(fd, at_subpath(fd, baselen, path), pst, 0);
|
|
#else
|
|
int ret = STAT(path, pst);
|
|
#endif
|
|
if (ret < 0 && !to_be_ignored(errno))
|
|
sys_warning(path, enc);
|
|
|
|
return ret;
|
|
}
|
|
|
|
#if defined HAVE_LSTAT || defined lstat || USE_OPENDIR_AT
|
|
static int
|
|
do_lstat(int fd, size_t baselen, const char *path, struct stat *pst, int flags, rb_encoding *enc)
|
|
{
|
|
#if USE_OPENDIR_AT
|
|
int ret = fstatat(fd, at_subpath(fd, baselen, path), pst, AT_SYMLINK_NOFOLLOW);
|
|
#else
|
|
int ret = lstat(path, pst);
|
|
#endif
|
|
if (ret < 0 && !to_be_ignored(errno))
|
|
sys_warning(path, enc);
|
|
|
|
return ret;
|
|
}
|
|
#else
|
|
#define do_lstat do_stat
|
|
#endif
|
|
|
|
struct opendir_at_arg {
|
|
int basefd;
|
|
const char *path;
|
|
};
|
|
|
|
static void *
|
|
with_gvl_gc_for_fd(void *ptr)
|
|
{
|
|
int *e = ptr;
|
|
|
|
return (void *)RBOOL(rb_gc_for_fd(*e));
|
|
}
|
|
|
|
static int
|
|
gc_for_fd_with_gvl(int e)
|
|
{
|
|
if (vm_initialized)
|
|
return (int)(VALUE)rb_thread_call_with_gvl(with_gvl_gc_for_fd, &e);
|
|
else
|
|
return RBOOL(rb_gc_for_fd(e));
|
|
}
|
|
|
|
static void *
|
|
nogvl_opendir_at(void *ptr)
|
|
{
|
|
const struct opendir_at_arg *oaa = ptr;
|
|
DIR *dirp;
|
|
|
|
#if USE_OPENDIR_AT
|
|
const int opendir_flags = (O_RDONLY|O_CLOEXEC|
|
|
# ifdef O_DIRECTORY
|
|
O_DIRECTORY|
|
|
# endif /* O_DIRECTORY */
|
|
0);
|
|
int fd = openat(oaa->basefd, oaa->path, opendir_flags);
|
|
|
|
dirp = fd >= 0 ? fdopendir(fd) : 0;
|
|
if (!dirp) {
|
|
int e = errno;
|
|
|
|
switch (gc_for_fd_with_gvl(e)) {
|
|
default:
|
|
if (fd < 0) fd = openat(oaa->basefd, oaa->path, opendir_flags);
|
|
if (fd >= 0) dirp = fdopendir(fd);
|
|
if (dirp) return dirp;
|
|
|
|
e = errno;
|
|
/* fallthrough*/
|
|
case 0:
|
|
if (fd >= 0) close(fd);
|
|
errno = e;
|
|
}
|
|
}
|
|
#else /* !USE_OPENDIR_AT */
|
|
dirp = opendir(oaa->path);
|
|
if (!dirp && gc_for_fd_with_gvl(errno))
|
|
dirp = opendir(oaa->path);
|
|
#endif /* !USE_OPENDIR_AT */
|
|
|
|
return dirp;
|
|
}
|
|
|
|
static DIR *
|
|
opendir_at(int basefd, const char *path)
|
|
{
|
|
struct opendir_at_arg oaa;
|
|
|
|
oaa.basefd = basefd;
|
|
oaa.path = path;
|
|
|
|
if (vm_initialized)
|
|
return rb_thread_call_without_gvl(nogvl_opendir_at, &oaa, RUBY_UBF_IO, 0);
|
|
else
|
|
return nogvl_opendir_at(&oaa);
|
|
}
|
|
|
|
static DIR *
|
|
do_opendir(const int basefd, size_t baselen, const char *path, int flags, rb_encoding *enc,
|
|
ruby_glob_errfunc *errfunc, VALUE arg, int *status)
|
|
{
|
|
DIR *dirp;
|
|
#ifdef _WIN32
|
|
VALUE tmp = 0;
|
|
if (!fundamental_encoding_p(enc)) {
|
|
tmp = rb_enc_str_new(path, strlen(path), enc);
|
|
tmp = rb_str_encode_ospath(tmp);
|
|
path = RSTRING_PTR(tmp);
|
|
}
|
|
#endif
|
|
dirp = opendir_at(basefd, at_subpath(basefd, baselen, path));
|
|
if (!dirp) {
|
|
int e = errno;
|
|
|
|
*status = 0;
|
|
if (!to_be_ignored(e)) {
|
|
if (errfunc) {
|
|
*status = (*errfunc)(path, arg, enc, e);
|
|
}
|
|
else {
|
|
sys_warning(path, enc);
|
|
}
|
|
}
|
|
}
|
|
#ifdef _WIN32
|
|
if (tmp) rb_str_resize(tmp, 0); /* GC guard */
|
|
#endif
|
|
|
|
return dirp;
|
|
}
|
|
|
|
/* Globing pattern */
|
|
enum glob_pattern_type { PLAIN, ALPHA, BRACE, MAGICAL, RECURSIVE, MATCH_ALL, MATCH_DIR };
|
|
|
|
/* Return nonzero if S has any special globbing chars in it. */
|
|
static enum glob_pattern_type
|
|
has_magic(const char *p, const char *pend, int flags, rb_encoding *enc)
|
|
{
|
|
const int escape = !(flags & FNM_NOESCAPE);
|
|
int hasalpha = 0;
|
|
int hasmagical = 0;
|
|
|
|
register char c;
|
|
|
|
while (p < pend && (c = *p++) != 0) {
|
|
switch (c) {
|
|
case '{':
|
|
return BRACE;
|
|
|
|
case '*':
|
|
case '?':
|
|
case '[':
|
|
hasmagical = 1;
|
|
break;
|
|
|
|
case '\\':
|
|
if (escape && p++ >= pend)
|
|
continue;
|
|
break;
|
|
|
|
#ifdef _WIN32
|
|
case '.':
|
|
break;
|
|
|
|
case '~':
|
|
hasalpha = 1;
|
|
break;
|
|
#endif
|
|
default:
|
|
if (IS_WIN32 || ISALPHA(c)) {
|
|
hasalpha = 1;
|
|
}
|
|
break;
|
|
}
|
|
|
|
p = Next(p-1, pend, enc);
|
|
}
|
|
|
|
return hasmagical ? MAGICAL : hasalpha ? ALPHA : PLAIN;
|
|
}
|
|
|
|
/* Find separator in globbing pattern. */
|
|
static char *
|
|
find_dirsep(const char *p, const char *pend, int flags, rb_encoding *enc)
|
|
{
|
|
const int escape = !(flags & FNM_NOESCAPE);
|
|
|
|
register char c;
|
|
int open = 0;
|
|
|
|
while ((c = *p++) != 0) {
|
|
switch (c) {
|
|
case '[':
|
|
open = 1;
|
|
continue;
|
|
case ']':
|
|
open = 0;
|
|
continue;
|
|
|
|
case '{':
|
|
open = 1;
|
|
continue;
|
|
case '}':
|
|
open = 0;
|
|
continue;
|
|
|
|
case '/':
|
|
if (!open)
|
|
return (char *)p-1;
|
|
continue;
|
|
|
|
case '\\':
|
|
if (escape && !(c = *p++))
|
|
return (char *)p-1;
|
|
continue;
|
|
}
|
|
|
|
p = Next(p-1, pend, enc);
|
|
}
|
|
|
|
return (char *)p-1;
|
|
}
|
|
|
|
/* Remove escaping backslashes */
|
|
static char *
|
|
remove_backslashes(char *p, register const char *pend, rb_encoding *enc)
|
|
{
|
|
char *t = p;
|
|
char *s = p;
|
|
|
|
while (*p) {
|
|
if (*p == '\\') {
|
|
if (t != s)
|
|
memmove(t, s, p - s);
|
|
t += p - s;
|
|
s = ++p;
|
|
if (!*p) break;
|
|
}
|
|
Inc(p, pend, enc);
|
|
}
|
|
|
|
while (*p++);
|
|
|
|
if (t != s)
|
|
memmove(t, s, p - s); /* move '\0' too */
|
|
|
|
return p;
|
|
}
|
|
|
|
struct glob_pattern {
|
|
char *str;
|
|
enum glob_pattern_type type;
|
|
struct glob_pattern *next;
|
|
};
|
|
|
|
static void glob_free_pattern(struct glob_pattern *list);
|
|
|
|
static struct glob_pattern *
|
|
glob_make_pattern(const char *p, const char *e, int flags, rb_encoding *enc)
|
|
{
|
|
struct glob_pattern *list, *tmp, **tail = &list;
|
|
int dirsep = 0; /* pattern is terminated with '/' */
|
|
int recursive = 0;
|
|
|
|
while (p < e && *p) {
|
|
tmp = GLOB_ALLOC(struct glob_pattern);
|
|
if (!tmp) goto error;
|
|
if (p + 2 < e && p[0] == '*' && p[1] == '*' && p[2] == '/') {
|
|
/* fold continuous RECURSIVEs (needed in glob_helper) */
|
|
do { p += 3; while (*p == '/') p++; } while (p[0] == '*' && p[1] == '*' && p[2] == '/');
|
|
tmp->type = RECURSIVE;
|
|
tmp->str = 0;
|
|
dirsep = 1;
|
|
recursive = 1;
|
|
}
|
|
else {
|
|
const char *m = find_dirsep(p, e, flags, enc);
|
|
const enum glob_pattern_type magic = has_magic(p, m, flags, enc);
|
|
const enum glob_pattern_type non_magic = (USE_NAME_ON_FS || FNM_SYSCASE) ? PLAIN : ALPHA;
|
|
char *buf;
|
|
|
|
if (!(FNM_SYSCASE || magic > non_magic) && !recursive && *m) {
|
|
const char *m2;
|
|
while (has_magic(m+1, m2 = find_dirsep(m+1, e, flags, enc), flags, enc) <= non_magic &&
|
|
*m2) {
|
|
m = m2;
|
|
}
|
|
}
|
|
buf = GLOB_ALLOC_N(char, m-p+1);
|
|
if (!buf) {
|
|
GLOB_FREE(tmp);
|
|
goto error;
|
|
}
|
|
memcpy(buf, p, m-p);
|
|
buf[m-p] = '\0';
|
|
tmp->type = magic > MAGICAL ? MAGICAL : magic > non_magic ? magic : PLAIN;
|
|
tmp->str = buf;
|
|
if (*m) {
|
|
dirsep = 1;
|
|
p = m + 1;
|
|
}
|
|
else {
|
|
dirsep = 0;
|
|
p = m;
|
|
}
|
|
}
|
|
*tail = tmp;
|
|
tail = &tmp->next;
|
|
}
|
|
|
|
tmp = GLOB_ALLOC(struct glob_pattern);
|
|
if (!tmp) {
|
|
goto error;
|
|
}
|
|
tmp->type = dirsep ? MATCH_DIR : MATCH_ALL;
|
|
tmp->str = 0;
|
|
*tail = tmp;
|
|
tmp->next = 0;
|
|
|
|
return list;
|
|
|
|
error:
|
|
*tail = 0;
|
|
glob_free_pattern(list);
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
glob_free_pattern(struct glob_pattern *list)
|
|
{
|
|
while (list) {
|
|
struct glob_pattern *tmp = list;
|
|
list = list->next;
|
|
if (tmp->str)
|
|
GLOB_FREE(tmp->str);
|
|
GLOB_FREE(tmp);
|
|
}
|
|
}
|
|
|
|
static char *
|
|
join_path(const char *path, size_t len, int dirsep, const char *name, size_t namlen)
|
|
{
|
|
char *buf = GLOB_ALLOC_N(char, len+namlen+(dirsep?1:0)+1);
|
|
|
|
if (!buf) return 0;
|
|
memcpy(buf, path, len);
|
|
if (dirsep) {
|
|
buf[len++] = '/';
|
|
}
|
|
memcpy(buf+len, name, namlen);
|
|
buf[len+namlen] = '\0';
|
|
return buf;
|
|
}
|
|
|
|
#ifdef HAVE_GETATTRLIST
|
|
# if defined HAVE_FGETATTRLIST
|
|
# define is_case_sensitive(dirp, path) is_case_sensitive(dirp)
|
|
# else
|
|
# define is_case_sensitive(dirp, path) is_case_sensitive(path)
|
|
# endif
|
|
static int
|
|
is_case_sensitive(DIR *dirp, const char *path)
|
|
{
|
|
struct {
|
|
u_int32_t length;
|
|
vol_capabilities_attr_t cap[1];
|
|
} __attribute__((aligned(4), packed)) attrbuf[1];
|
|
struct attrlist al = {ATTR_BIT_MAP_COUNT, 0, 0, ATTR_VOL_INFO|ATTR_VOL_CAPABILITIES};
|
|
const vol_capabilities_attr_t *const cap = attrbuf[0].cap;
|
|
const int idx = VOL_CAPABILITIES_FORMAT;
|
|
const uint32_t mask = VOL_CAP_FMT_CASE_SENSITIVE;
|
|
|
|
# if defined HAVE_FGETATTRLIST
|
|
if (fgetattrlist(dirfd(dirp), &al, attrbuf, sizeof(attrbuf), FSOPT_NOFOLLOW))
|
|
return -1;
|
|
# else
|
|
if (getattrlist(path, &al, attrbuf, sizeof(attrbuf), FSOPT_NOFOLLOW))
|
|
return -1;
|
|
# endif
|
|
if (!(cap->valid[idx] & mask))
|
|
return -1;
|
|
return (cap->capabilities[idx] & mask) != 0;
|
|
}
|
|
|
|
static char *
|
|
replace_real_basename(char *path, long base, rb_encoding *enc, int norm_p, int flags, rb_pathtype_t *type)
|
|
{
|
|
struct {
|
|
u_int32_t length;
|
|
attrreference_t ref[1];
|
|
fsobj_type_t objtype;
|
|
char path[MAXPATHLEN * 3];
|
|
} __attribute__((aligned(4), packed)) attrbuf[1];
|
|
struct attrlist al = {ATTR_BIT_MAP_COUNT, 0, ATTR_CMN_NAME|ATTR_CMN_OBJTYPE};
|
|
const attrreference_t *const ar = attrbuf[0].ref;
|
|
const char *name;
|
|
long len;
|
|
char *tmp;
|
|
IF_NORMALIZE_UTF8PATH(VALUE utf8str = Qnil);
|
|
|
|
*type = path_noent;
|
|
if (getattrlist(path, &al, attrbuf, sizeof(attrbuf), FSOPT_NOFOLLOW)) {
|
|
if (!to_be_ignored(errno))
|
|
sys_warning(path, enc);
|
|
return path;
|
|
}
|
|
|
|
switch (attrbuf[0].objtype) {
|
|
case VREG: *type = path_regular; break;
|
|
case VDIR: *type = path_directory; break;
|
|
case VLNK: *type = path_symlink; break;
|
|
default: *type = path_exist; break;
|
|
}
|
|
name = (char *)ar + ar->attr_dataoffset;
|
|
len = (long)ar->attr_length - 1;
|
|
if (name + len > (char *)attrbuf + sizeof(attrbuf))
|
|
return path;
|
|
|
|
# if NORMALIZE_UTF8PATH
|
|
if (norm_p && has_nonascii(name, len)) {
|
|
if (!NIL_P(utf8str = rb_str_normalize_ospath(name, len))) {
|
|
RSTRING_GETMEM(utf8str, name, len);
|
|
}
|
|
}
|
|
# endif
|
|
|
|
tmp = GLOB_REALLOC(path, base + len + 1);
|
|
if (tmp) {
|
|
path = tmp;
|
|
memcpy(path + base, name, len);
|
|
path[base + len] = '\0';
|
|
}
|
|
IF_NORMALIZE_UTF8PATH(if (!NIL_P(utf8str)) rb_str_resize(utf8str, 0));
|
|
return path;
|
|
}
|
|
#elif defined _WIN32
|
|
VALUE rb_w32_conv_from_wchar(const WCHAR *wstr, rb_encoding *enc);
|
|
int rb_w32_reparse_symlink_p(const WCHAR *path);
|
|
|
|
static char *
|
|
replace_real_basename(char *path, long base, rb_encoding *enc, int norm_p, int flags, rb_pathtype_t *type)
|
|
{
|
|
char *plainname = path;
|
|
volatile VALUE tmp = 0;
|
|
WIN32_FIND_DATAW fd;
|
|
WIN32_FILE_ATTRIBUTE_DATA fa;
|
|
WCHAR *wplain;
|
|
HANDLE h = INVALID_HANDLE_VALUE;
|
|
long wlen;
|
|
int e = 0;
|
|
if (!fundamental_encoding_p(enc)) {
|
|
tmp = rb_enc_str_new_cstr(plainname, enc);
|
|
tmp = rb_str_encode_ospath(tmp);
|
|
plainname = RSTRING_PTR(tmp);
|
|
}
|
|
wplain = rb_w32_mbstr_to_wstr(CP_UTF8, plainname, -1, &wlen);
|
|
if (tmp) rb_str_resize(tmp, 0);
|
|
if (!wplain) return path;
|
|
if (GetFileAttributesExW(wplain, GetFileExInfoStandard, &fa)) {
|
|
h = FindFirstFileW(wplain, &fd);
|
|
e = rb_w32_map_errno(GetLastError());
|
|
}
|
|
if (fa.dwFileAttributes & FILE_ATTRIBUTE_REPARSE_POINT) {
|
|
if (!rb_w32_reparse_symlink_p(wplain))
|
|
fa.dwFileAttributes &= ~FILE_ATTRIBUTE_REPARSE_POINT;
|
|
}
|
|
free(wplain);
|
|
if (h == INVALID_HANDLE_VALUE) {
|
|
*type = path_noent;
|
|
if (e && !to_be_ignored(e)) {
|
|
errno = e;
|
|
sys_warning(path, enc);
|
|
}
|
|
return path;
|
|
}
|
|
FindClose(h);
|
|
*type =
|
|
(fa.dwFileAttributes & FILE_ATTRIBUTE_REPARSE_POINT) ? path_symlink :
|
|
(fa.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) ? path_directory :
|
|
path_regular;
|
|
if (tmp) {
|
|
char *buf;
|
|
tmp = rb_w32_conv_from_wchar(fd.cFileName, enc);
|
|
wlen = RSTRING_LEN(tmp);
|
|
buf = GLOB_REALLOC(path, base + wlen + 1);
|
|
if (buf) {
|
|
path = buf;
|
|
memcpy(path + base, RSTRING_PTR(tmp), wlen);
|
|
path[base + wlen] = 0;
|
|
}
|
|
rb_str_resize(tmp, 0);
|
|
}
|
|
else {
|
|
char *utf8filename;
|
|
wlen = WideCharToMultiByte(CP_UTF8, 0, fd.cFileName, -1, NULL, 0, NULL, NULL);
|
|
utf8filename = GLOB_REALLOC(0, wlen);
|
|
if (utf8filename) {
|
|
char *buf;
|
|
WideCharToMultiByte(CP_UTF8, 0, fd.cFileName, -1, utf8filename, wlen, NULL, NULL);
|
|
buf = GLOB_REALLOC(path, base + wlen + 1);
|
|
if (buf) {
|
|
path = buf;
|
|
memcpy(path + base, utf8filename, wlen);
|
|
path[base + wlen] = 0;
|
|
}
|
|
GLOB_FREE(utf8filename);
|
|
}
|
|
}
|
|
return path;
|
|
}
|
|
#elif USE_NAME_ON_FS == USE_NAME_ON_FS_REAL_BASENAME
|
|
# error not implemented
|
|
#endif
|
|
|
|
#ifndef S_ISDIR
|
|
# define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
|
|
#endif
|
|
|
|
#ifndef S_ISLNK
|
|
# ifndef S_IFLNK
|
|
# define S_ISLNK(m) (0)
|
|
# else
|
|
# define S_ISLNK(m) (((m) & S_IFMT) == S_IFLNK)
|
|
# endif
|
|
#endif
|
|
|
|
struct glob_args {
|
|
void (*func)(const char *, VALUE, void *);
|
|
const char *path;
|
|
const char *base;
|
|
size_t baselen;
|
|
VALUE value;
|
|
rb_encoding *enc;
|
|
};
|
|
|
|
#define glob_call_func(func, path, arg, enc) (*(func))((path), (arg), (void *)(enc))
|
|
|
|
static VALUE
|
|
glob_func_caller(VALUE val)
|
|
{
|
|
struct glob_args *args = (struct glob_args *)val;
|
|
|
|
glob_call_func(args->func, args->path, args->value, args->enc);
|
|
return Qnil;
|
|
}
|
|
|
|
struct glob_error_args {
|
|
const char *path;
|
|
rb_encoding *enc;
|
|
int error;
|
|
};
|
|
|
|
static VALUE
|
|
glob_func_warning(VALUE val)
|
|
{
|
|
struct glob_error_args *arg = (struct glob_error_args *)val;
|
|
rb_syserr_enc_warning(arg->error, arg->enc, "%s", arg->path);
|
|
return Qnil;
|
|
}
|
|
|
|
#if 0
|
|
static int
|
|
rb_glob_warning(const char *path, VALUE a, const void *enc, int error)
|
|
{
|
|
int status;
|
|
struct glob_error_args args;
|
|
|
|
args.path = path;
|
|
args.enc = enc;
|
|
args.error = error;
|
|
rb_protect(glob_func_warning, (VALUE)&args, &status);
|
|
return status;
|
|
}
|
|
#endif
|
|
|
|
NORETURN(static VALUE glob_func_error(VALUE val));
|
|
|
|
static VALUE
|
|
glob_func_error(VALUE val)
|
|
{
|
|
struct glob_error_args *arg = (struct glob_error_args *)val;
|
|
VALUE path = rb_enc_str_new_cstr(arg->path, arg->enc);
|
|
rb_syserr_fail_str(arg->error, path);
|
|
UNREACHABLE_RETURN(Qnil);
|
|
}
|
|
|
|
static int
|
|
rb_glob_error(const char *path, VALUE a, const void *enc, int error)
|
|
{
|
|
int status;
|
|
struct glob_error_args args;
|
|
VALUE (*errfunc)(VALUE) = glob_func_error;
|
|
|
|
switch (error) {
|
|
case EACCES:
|
|
#ifdef ENOTCAPABLE
|
|
case ENOTCAPABLE:
|
|
#endif
|
|
errfunc = glob_func_warning;
|
|
}
|
|
args.path = path;
|
|
args.enc = enc;
|
|
args.error = error;
|
|
rb_protect(errfunc, (VALUE)&args, &status);
|
|
return status;
|
|
}
|
|
|
|
typedef struct rb_dirent {
|
|
long d_namlen;
|
|
const char *d_name;
|
|
#ifdef _WIN32
|
|
const char *d_altname;
|
|
#endif
|
|
uint8_t d_type;
|
|
} rb_dirent_t;
|
|
|
|
static inline int
|
|
dirent_match(const char *pat, rb_encoding *enc, const char *name, const rb_dirent_t *dp, int flags)
|
|
{
|
|
if (fnmatch(pat, enc, name, flags) == 0) return 1;
|
|
#ifdef _WIN32
|
|
if (dp->d_altname && (flags & FNM_SHORTNAME)) {
|
|
if (fnmatch(pat, enc, dp->d_altname, flags) == 0) return 1;
|
|
}
|
|
#endif
|
|
return 0;
|
|
}
|
|
|
|
struct push_glob_args {
|
|
int fd;
|
|
const char *path;
|
|
size_t baselen;
|
|
size_t namelen;
|
|
int dirsep; /* '/' should be placed before appending child entry's name to 'path'. */
|
|
rb_pathtype_t pathtype; /* type of 'path' */
|
|
int flags;
|
|
const ruby_glob_funcs_t *funcs;
|
|
VALUE arg;
|
|
};
|
|
|
|
struct dirent_brace_args {
|
|
const char *name;
|
|
const rb_dirent_t *dp;
|
|
int flags;
|
|
};
|
|
|
|
static int
|
|
dirent_match_brace(const char *pattern, VALUE val, void *enc)
|
|
{
|
|
struct dirent_brace_args *arg = (struct dirent_brace_args *)val;
|
|
|
|
return dirent_match(pattern, enc, arg->name, arg->dp, arg->flags);
|
|
}
|
|
|
|
/* join paths from pattern list of glob_make_pattern() */
|
|
static char*
|
|
join_path_from_pattern(struct glob_pattern **beg)
|
|
{
|
|
struct glob_pattern *p;
|
|
char *path = NULL;
|
|
size_t path_len = 0;
|
|
|
|
for (p = *beg; p; p = p->next) {
|
|
const char *str;
|
|
switch (p->type) {
|
|
case RECURSIVE:
|
|
str = "**";
|
|
break;
|
|
case MATCH_DIR:
|
|
/* append last slash */
|
|
str = "";
|
|
break;
|
|
default:
|
|
str = p->str;
|
|
if (!str) continue;
|
|
}
|
|
if (!path) {
|
|
path_len = strlen(str);
|
|
path = GLOB_ALLOC_N(char, path_len + 1);
|
|
if (path) {
|
|
memcpy(path, str, path_len);
|
|
path[path_len] = '\0';
|
|
}
|
|
}
|
|
else {
|
|
size_t len = strlen(str);
|
|
char *tmp;
|
|
tmp = GLOB_REALLOC(path, path_len + len + 2);
|
|
if (tmp) {
|
|
path = tmp;
|
|
path[path_len++] = '/';
|
|
memcpy(path + path_len, str, len);
|
|
path_len += len;
|
|
path[path_len] = '\0';
|
|
}
|
|
}
|
|
}
|
|
return path;
|
|
}
|
|
|
|
static int push_caller(const char *path, VALUE val, void *enc);
|
|
|
|
static int ruby_brace_expand(const char *str, int flags, ruby_glob_func *func, VALUE arg,
|
|
rb_encoding *enc, VALUE var);
|
|
|
|
static const size_t rb_dirent_name_offset =
|
|
offsetof(rb_dirent_t, d_type) + sizeof(uint8_t);
|
|
|
|
static rb_dirent_t *
|
|
dirent_copy(const struct dirent *dp, rb_dirent_t *rdp)
|
|
{
|
|
if (!dp) return NULL;
|
|
size_t namlen = NAMLEN(dp);
|
|
const size_t altlen =
|
|
#ifdef _WIN32
|
|
dp->d_altlen ? dp->d_altlen + 1 :
|
|
#endif
|
|
0;
|
|
rb_dirent_t *newrdp = rdp;
|
|
if (!rdp && !(newrdp = malloc(rb_dirent_name_offset + namlen + 1 + altlen)))
|
|
return NULL;
|
|
newrdp->d_namlen = namlen;
|
|
if (!rdp) {
|
|
char *name = (char *)newrdp + rb_dirent_name_offset;
|
|
memcpy(name, dp->d_name, namlen);
|
|
name[namlen] = '\0';
|
|
#ifdef _WIN32
|
|
newrdp->d_altname = NULL;
|
|
if (altlen) {
|
|
char *const altname = name + namlen + 1;
|
|
memcpy(altname, dp->d_altname, altlen - 1);
|
|
altname[altlen - 1] = '\0';
|
|
newrdp->d_altname = altname;
|
|
}
|
|
#endif
|
|
newrdp->d_name = name;
|
|
}
|
|
else {
|
|
newrdp->d_name = dp->d_name;
|
|
#ifdef _WIN32
|
|
newrdp->d_altname = dp->d_altname;
|
|
#endif
|
|
}
|
|
#if !EMULATE_IFTODT
|
|
newrdp->d_type = dp->d_type;
|
|
#else
|
|
newrdp->d_type = 0;
|
|
#endif
|
|
return newrdp;
|
|
}
|
|
|
|
typedef union {
|
|
struct {
|
|
DIR *dirp;
|
|
rb_dirent_t ent;
|
|
} nosort;
|
|
struct {
|
|
size_t count, idx;
|
|
rb_dirent_t **entries;
|
|
} sort;
|
|
} ruby_glob_entries_t;
|
|
|
|
static int
|
|
glob_sort_cmp(const void *a, const void *b, void *e)
|
|
{
|
|
const rb_dirent_t *ent1 = *(void **)a;
|
|
const rb_dirent_t *ent2 = *(void **)b;
|
|
return strcmp(ent1->d_name, ent2->d_name);
|
|
}
|
|
|
|
static void
|
|
glob_dir_finish(ruby_glob_entries_t *ent, int flags)
|
|
{
|
|
if (flags & FNM_GLOB_NOSORT) {
|
|
closedir(ent->nosort.dirp);
|
|
ent->nosort.dirp = NULL;
|
|
}
|
|
else if (ent->sort.entries) {
|
|
for (size_t i = 0, count = ent->sort.count; i < count;) {
|
|
GLOB_FREE(ent->sort.entries[i++]);
|
|
}
|
|
GLOB_FREE(ent->sort.entries);
|
|
ent->sort.entries = NULL;
|
|
ent->sort.count = ent->sort.idx = 0;
|
|
}
|
|
}
|
|
|
|
static ruby_glob_entries_t *
|
|
glob_opendir(ruby_glob_entries_t *ent, DIR *dirp, int flags, rb_encoding *enc)
|
|
{
|
|
MEMZERO(ent, ruby_glob_entries_t, 1);
|
|
if (flags & FNM_GLOB_NOSORT) {
|
|
ent->nosort.dirp = dirp;
|
|
return ent;
|
|
}
|
|
else {
|
|
void *newp;
|
|
struct dirent *dp;
|
|
size_t count = 0, capacity = 0;
|
|
ent->sort.count = 0;
|
|
ent->sort.idx = 0;
|
|
ent->sort.entries = 0;
|
|
#ifdef _WIN32
|
|
if ((capacity = dirp->nfiles) > 0) {
|
|
if (!(newp = GLOB_ALLOC_N(rb_dirent_t, capacity))) {
|
|
closedir(dirp);
|
|
return NULL;
|
|
}
|
|
ent->sort.entries = newp;
|
|
}
|
|
#endif
|
|
while ((dp = READDIR(dirp, enc)) != NULL) {
|
|
rb_dirent_t *rdp = dirent_copy(dp, NULL);
|
|
if (!rdp) {
|
|
goto nomem;
|
|
}
|
|
if (count >= capacity) {
|
|
capacity += 256;
|
|
if (!(newp = GLOB_REALLOC_N(ent->sort.entries, capacity)))
|
|
goto nomem;
|
|
ent->sort.entries = newp;
|
|
}
|
|
ent->sort.entries[count++] = rdp;
|
|
ent->sort.count = count;
|
|
}
|
|
closedir(dirp);
|
|
if (count < capacity) {
|
|
if (!(newp = GLOB_REALLOC_N(ent->sort.entries, count))) {
|
|
glob_dir_finish(ent, 0);
|
|
return NULL;
|
|
}
|
|
ent->sort.entries = newp;
|
|
}
|
|
ruby_qsort(ent->sort.entries, ent->sort.count, sizeof(ent->sort.entries[0]),
|
|
glob_sort_cmp, NULL);
|
|
return ent;
|
|
}
|
|
|
|
nomem:
|
|
glob_dir_finish(ent, 0);
|
|
closedir(dirp);
|
|
return NULL;
|
|
}
|
|
|
|
static rb_dirent_t *
|
|
glob_getent(ruby_glob_entries_t *ent, int flags, rb_encoding *enc)
|
|
{
|
|
if (flags & FNM_GLOB_NOSORT) {
|
|
return dirent_copy(READDIR(ent->nosort.dirp, enc), &ent->nosort.ent);
|
|
}
|
|
else if (ent->sort.idx < ent->sort.count) {
|
|
return ent->sort.entries[ent->sort.idx++];
|
|
}
|
|
else {
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
static int
|
|
glob_helper(
|
|
int fd,
|
|
const char *path,
|
|
size_t baselen,
|
|
size_t namelen,
|
|
int dirsep, /* '/' should be placed before appending child entry's name to 'path'. */
|
|
rb_pathtype_t pathtype, /* type of 'path' */
|
|
struct glob_pattern **beg,
|
|
struct glob_pattern **end,
|
|
int flags,
|
|
const ruby_glob_funcs_t *funcs,
|
|
VALUE arg,
|
|
rb_encoding *enc)
|
|
{
|
|
struct stat st;
|
|
int status = 0;
|
|
struct glob_pattern **cur, **new_beg, **new_end;
|
|
int plain = 0, brace = 0, magical = 0, recursive = 0, match_all = 0, match_dir = 0;
|
|
int escape = !(flags & FNM_NOESCAPE);
|
|
size_t pathlen = baselen + namelen;
|
|
|
|
rb_check_stack_overflow();
|
|
|
|
for (cur = beg; cur < end; ++cur) {
|
|
struct glob_pattern *p = *cur;
|
|
if (p->type == RECURSIVE) {
|
|
recursive = 1;
|
|
p = p->next;
|
|
}
|
|
switch (p->type) {
|
|
case PLAIN:
|
|
plain = 1;
|
|
break;
|
|
case ALPHA:
|
|
#if USE_NAME_ON_FS == USE_NAME_ON_FS_REAL_BASENAME
|
|
plain = 1;
|
|
#else
|
|
magical = 1;
|
|
#endif
|
|
break;
|
|
case BRACE:
|
|
if (!recursive || strchr(p->str, '/')) {
|
|
brace = 1;
|
|
}
|
|
break;
|
|
case MAGICAL:
|
|
magical = 2;
|
|
break;
|
|
case MATCH_ALL:
|
|
match_all = 1;
|
|
break;
|
|
case MATCH_DIR:
|
|
match_dir = 1;
|
|
break;
|
|
case RECURSIVE:
|
|
rb_bug("continuous RECURSIVEs");
|
|
}
|
|
}
|
|
|
|
if (brace) {
|
|
struct push_glob_args args;
|
|
char* brace_path = join_path_from_pattern(beg);
|
|
if (!brace_path) return -1;
|
|
args.fd = fd;
|
|
args.path = path;
|
|
args.baselen = baselen;
|
|
args.namelen = namelen;
|
|
args.dirsep = dirsep;
|
|
args.pathtype = pathtype;
|
|
args.flags = flags;
|
|
args.funcs = funcs;
|
|
args.arg = arg;
|
|
status = ruby_brace_expand(brace_path, flags, push_caller, (VALUE)&args, enc, Qfalse);
|
|
GLOB_FREE(brace_path);
|
|
return status;
|
|
}
|
|
|
|
if (*path) {
|
|
if (match_all && pathtype == path_unknown) {
|
|
if (do_lstat(fd, baselen, path, &st, flags, enc) == 0) {
|
|
pathtype = IFTODT(st.st_mode);
|
|
}
|
|
else {
|
|
pathtype = path_noent;
|
|
}
|
|
}
|
|
if (match_dir && (pathtype == path_unknown || pathtype == path_symlink)) {
|
|
if (do_stat(fd, baselen, path, &st, flags, enc) == 0) {
|
|
pathtype = IFTODT(st.st_mode);
|
|
}
|
|
else {
|
|
pathtype = path_noent;
|
|
}
|
|
}
|
|
if (match_all && pathtype > path_noent) {
|
|
const char *subpath = path + baselen + (baselen && path[baselen] == '/');
|
|
status = glob_call_func(funcs->match, subpath, arg, enc);
|
|
if (status) return status;
|
|
}
|
|
if (match_dir && pathtype == path_directory) {
|
|
int seplen = (baselen && path[baselen] == '/');
|
|
const char *subpath = path + baselen + seplen;
|
|
char *tmp = join_path(subpath, namelen - seplen, dirsep, "", 0);
|
|
if (!tmp) return -1;
|
|
status = glob_call_func(funcs->match, tmp, arg, enc);
|
|
GLOB_FREE(tmp);
|
|
if (status) return status;
|
|
}
|
|
}
|
|
|
|
if (pathtype == path_noent) return 0;
|
|
|
|
if (magical || recursive) {
|
|
rb_dirent_t *dp;
|
|
DIR *dirp;
|
|
# if USE_NAME_ON_FS == USE_NAME_ON_FS_BY_FNMATCH
|
|
char *plainname = 0;
|
|
# endif
|
|
IF_NORMALIZE_UTF8PATH(int norm_p);
|
|
# if USE_NAME_ON_FS == USE_NAME_ON_FS_BY_FNMATCH
|
|
if (cur + 1 == end && (*cur)->type <= ALPHA) {
|
|
plainname = join_path(path, pathlen, dirsep, (*cur)->str, strlen((*cur)->str));
|
|
if (!plainname) return -1;
|
|
dirp = do_opendir(fd, basename, plainname, flags, enc, funcs->error, arg, &status);
|
|
GLOB_FREE(plainname);
|
|
}
|
|
else
|
|
# else
|
|
;
|
|
# endif
|
|
dirp = do_opendir(fd, baselen, path, flags, enc, funcs->error, arg, &status);
|
|
if (dirp == NULL) {
|
|
# if FNM_SYSCASE || NORMALIZE_UTF8PATH
|
|
if ((magical < 2) && !recursive && (errno == EACCES)) {
|
|
/* no read permission, fallback */
|
|
goto literally;
|
|
}
|
|
# endif
|
|
return status;
|
|
}
|
|
IF_NORMALIZE_UTF8PATH(norm_p = need_normalization(dirp, *path ? path : "."));
|
|
|
|
# if NORMALIZE_UTF8PATH
|
|
if (!(norm_p || magical || recursive)) {
|
|
closedir(dirp);
|
|
goto literally;
|
|
}
|
|
# endif
|
|
# ifdef HAVE_GETATTRLIST
|
|
if (is_case_sensitive(dirp, path) == 0)
|
|
flags |= FNM_CASEFOLD;
|
|
# endif
|
|
ruby_glob_entries_t globent;
|
|
if (!glob_opendir(&globent, dirp, flags, enc)) {
|
|
status = 0;
|
|
if (funcs->error) {
|
|
status = (*funcs->error)(path, arg, enc, ENOMEM);
|
|
}
|
|
else {
|
|
sys_warning(path, enc);
|
|
}
|
|
return status;
|
|
}
|
|
|
|
int skipdot = (flags & FNM_GLOB_SKIPDOT);
|
|
flags |= FNM_GLOB_SKIPDOT;
|
|
|
|
while ((dp = glob_getent(&globent, flags, enc)) != NULL) {
|
|
char *buf;
|
|
rb_pathtype_t new_pathtype = path_unknown;
|
|
const char *name;
|
|
size_t namlen;
|
|
int dotfile = 0;
|
|
IF_NORMALIZE_UTF8PATH(VALUE utf8str = Qnil);
|
|
|
|
name = dp->d_name;
|
|
namlen = dp->d_namlen;
|
|
if (name[0] == '.') {
|
|
++dotfile;
|
|
if (namlen == 1) {
|
|
/* unless DOTMATCH, skip current directories not to recurse infinitely */
|
|
if (recursive && !(flags & FNM_DOTMATCH)) continue;
|
|
if (skipdot) continue;
|
|
++dotfile;
|
|
new_pathtype = path_directory; /* force to skip stat/lstat */
|
|
}
|
|
else if (namlen == 2 && name[1] == '.') {
|
|
/* always skip parent directories not to recurse infinitely */
|
|
continue;
|
|
}
|
|
}
|
|
|
|
# if NORMALIZE_UTF8PATH
|
|
if (norm_p && has_nonascii(name, namlen)) {
|
|
if (!NIL_P(utf8str = rb_str_normalize_ospath(name, namlen))) {
|
|
RSTRING_GETMEM(utf8str, name, namlen);
|
|
}
|
|
}
|
|
# endif
|
|
buf = join_path(path, pathlen, dirsep, name, namlen);
|
|
IF_NORMALIZE_UTF8PATH(if (!NIL_P(utf8str)) rb_str_resize(utf8str, 0));
|
|
if (!buf) {
|
|
status = -1;
|
|
break;
|
|
}
|
|
name = buf + pathlen + (dirsep != 0);
|
|
#if !EMULATE_IFTODT
|
|
if (dp->d_type != DT_UNKNOWN) {
|
|
/* Got it. We need no more lstat. */
|
|
new_pathtype = dp->d_type;
|
|
}
|
|
#endif
|
|
if (recursive && dotfile < ((flags & FNM_DOTMATCH) ? 2 : 1) &&
|
|
new_pathtype == path_unknown) {
|
|
/* RECURSIVE never match dot files unless FNM_DOTMATCH is set */
|
|
if (do_lstat(fd, baselen, buf, &st, flags, enc) == 0)
|
|
new_pathtype = IFTODT(st.st_mode);
|
|
else
|
|
new_pathtype = path_noent;
|
|
}
|
|
|
|
new_beg = new_end = GLOB_ALLOC_N(struct glob_pattern *, (end - beg) * 2);
|
|
if (!new_beg) {
|
|
GLOB_FREE(buf);
|
|
status = -1;
|
|
break;
|
|
}
|
|
|
|
for (cur = beg; cur < end; ++cur) {
|
|
struct glob_pattern *p = *cur;
|
|
struct dirent_brace_args args;
|
|
if (p->type == RECURSIVE) {
|
|
if (new_pathtype == path_directory || /* not symlink but real directory */
|
|
new_pathtype == path_exist) {
|
|
if (dotfile < ((flags & FNM_DOTMATCH) ? 2 : 1))
|
|
*new_end++ = p; /* append recursive pattern */
|
|
}
|
|
p = p->next; /* 0 times recursion */
|
|
}
|
|
switch (p->type) {
|
|
case BRACE:
|
|
args.name = name;
|
|
args.dp = dp;
|
|
args.flags = flags;
|
|
if (ruby_brace_expand(p->str, flags, dirent_match_brace,
|
|
(VALUE)&args, enc, Qfalse) > 0)
|
|
*new_end++ = p->next;
|
|
break;
|
|
case ALPHA:
|
|
# if USE_NAME_ON_FS == USE_NAME_ON_FS_BY_FNMATCH
|
|
if (plainname) {
|
|
*new_end++ = p->next;
|
|
break;
|
|
}
|
|
# endif
|
|
case PLAIN:
|
|
case MAGICAL:
|
|
if (dirent_match(p->str, enc, name, dp, flags))
|
|
*new_end++ = p->next;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
status = glob_helper(fd, buf, baselen, name - buf - baselen + namlen, 1,
|
|
new_pathtype, new_beg, new_end,
|
|
flags, funcs, arg, enc);
|
|
GLOB_FREE(buf);
|
|
GLOB_FREE(new_beg);
|
|
if (status) break;
|
|
}
|
|
|
|
glob_dir_finish(&globent, flags);
|
|
}
|
|
else if (plain) {
|
|
struct glob_pattern **copy_beg, **copy_end, **cur2;
|
|
|
|
# if FNM_SYSCASE || NORMALIZE_UTF8PATH
|
|
literally:
|
|
# endif
|
|
copy_beg = copy_end = GLOB_ALLOC_N(struct glob_pattern *, end - beg);
|
|
if (!copy_beg) return -1;
|
|
for (cur = beg; cur < end; ++cur)
|
|
*copy_end++ = (*cur)->type <= ALPHA ? *cur : 0;
|
|
|
|
for (cur = copy_beg; cur < copy_end; ++cur) {
|
|
if (*cur) {
|
|
rb_pathtype_t new_pathtype = path_unknown;
|
|
char *buf;
|
|
char *name;
|
|
size_t len = strlen((*cur)->str) + 1;
|
|
name = GLOB_ALLOC_N(char, len);
|
|
if (!name) {
|
|
status = -1;
|
|
break;
|
|
}
|
|
memcpy(name, (*cur)->str, len);
|
|
if (escape)
|
|
len = remove_backslashes(name, name+len-1, enc) - name;
|
|
|
|
new_beg = new_end = GLOB_ALLOC_N(struct glob_pattern *, end - beg);
|
|
if (!new_beg) {
|
|
GLOB_FREE(name);
|
|
status = -1;
|
|
break;
|
|
}
|
|
*new_end++ = (*cur)->next;
|
|
for (cur2 = cur + 1; cur2 < copy_end; ++cur2) {
|
|
if (*cur2 && fnmatch((*cur2)->str, enc, name, flags) == 0) {
|
|
*new_end++ = (*cur2)->next;
|
|
*cur2 = 0;
|
|
}
|
|
}
|
|
|
|
buf = join_path(path, pathlen, dirsep, name, len);
|
|
GLOB_FREE(name);
|
|
if (!buf) {
|
|
GLOB_FREE(new_beg);
|
|
status = -1;
|
|
break;
|
|
}
|
|
#if USE_NAME_ON_FS == USE_NAME_ON_FS_REAL_BASENAME
|
|
if ((*cur)->type == ALPHA) {
|
|
buf = replace_real_basename(buf, pathlen + (dirsep != 0), enc,
|
|
IF_NORMALIZE_UTF8PATH(1)+0,
|
|
flags, &new_pathtype);
|
|
if (!buf) break;
|
|
}
|
|
#endif
|
|
status = glob_helper(fd, buf, baselen,
|
|
namelen + strlen(buf + pathlen), 1,
|
|
new_pathtype, new_beg, new_end,
|
|
flags, funcs, arg, enc);
|
|
GLOB_FREE(buf);
|
|
GLOB_FREE(new_beg);
|
|
if (status) break;
|
|
}
|
|
}
|
|
|
|
GLOB_FREE(copy_beg);
|
|
}
|
|
|
|
return status;
|
|
}
|
|
|
|
static int
|
|
push_caller(const char *path, VALUE val, void *enc)
|
|
{
|
|
struct push_glob_args *arg = (struct push_glob_args *)val;
|
|
struct glob_pattern *list;
|
|
int status;
|
|
|
|
list = glob_make_pattern(path, path + strlen(path), arg->flags, enc);
|
|
if (!list) {
|
|
return -1;
|
|
}
|
|
status = glob_helper(arg->fd, arg->path, arg->baselen, arg->namelen, arg->dirsep,
|
|
arg->pathtype, &list, &list + 1, arg->flags, arg->funcs,
|
|
arg->arg, enc);
|
|
glob_free_pattern(list);
|
|
return status;
|
|
}
|
|
|
|
static int ruby_glob0(const char *path, int fd, const char *base, int flags,
|
|
const ruby_glob_funcs_t *funcs, VALUE arg, rb_encoding *enc);
|
|
|
|
struct push_glob0_args {
|
|
int fd;
|
|
const char *base;
|
|
int flags;
|
|
const ruby_glob_funcs_t *funcs;
|
|
VALUE arg;
|
|
};
|
|
|
|
static int
|
|
push_glob0_caller(const char *path, VALUE val, void *enc)
|
|
{
|
|
struct push_glob0_args *arg = (struct push_glob0_args *)val;
|
|
return ruby_glob0(path, arg->fd, arg->base, arg->flags, arg->funcs, arg->arg, enc);
|
|
}
|
|
|
|
static int
|
|
ruby_glob0(const char *path, int fd, const char *base, int flags,
|
|
const ruby_glob_funcs_t *funcs, VALUE arg,
|
|
rb_encoding *enc)
|
|
{
|
|
struct glob_pattern *list;
|
|
const char *root, *start;
|
|
char *buf;
|
|
size_t n, baselen = 0;
|
|
int status, dirsep = FALSE;
|
|
|
|
start = root = path;
|
|
|
|
if (*root == '{') {
|
|
struct push_glob0_args args;
|
|
args.fd = fd;
|
|
args.base = base;
|
|
args.flags = flags;
|
|
args.funcs = funcs;
|
|
args.arg = arg;
|
|
return ruby_brace_expand(path, flags, push_glob0_caller, (VALUE)&args, enc, Qfalse);
|
|
}
|
|
|
|
flags |= FNM_SYSCASE;
|
|
#if defined DOSISH
|
|
root = rb_enc_path_skip_prefix(root, root + strlen(root), enc);
|
|
#endif
|
|
|
|
if (*root == '/') root++;
|
|
|
|
n = root - start;
|
|
if (!n && base) {
|
|
n = strlen(base);
|
|
baselen = n;
|
|
start = base;
|
|
dirsep = TRUE;
|
|
}
|
|
buf = GLOB_ALLOC_N(char, n + 1);
|
|
if (!buf) return -1;
|
|
MEMCPY(buf, start, char, n);
|
|
buf[n] = '\0';
|
|
|
|
list = glob_make_pattern(root, root + strlen(root), flags, enc);
|
|
if (!list) {
|
|
GLOB_FREE(buf);
|
|
return -1;
|
|
}
|
|
status = glob_helper(fd, buf, baselen, n-baselen, dirsep,
|
|
path_unknown, &list, &list + 1,
|
|
flags, funcs, arg, enc);
|
|
glob_free_pattern(list);
|
|
GLOB_FREE(buf);
|
|
|
|
return status;
|
|
}
|
|
|
|
int
|
|
ruby_glob(const char *path, int flags, ruby_glob_func *func, VALUE arg)
|
|
{
|
|
ruby_glob_funcs_t funcs;
|
|
funcs.match = func;
|
|
funcs.error = 0;
|
|
return ruby_glob0(path, AT_FDCWD, 0, flags & ~GLOB_VERBOSE,
|
|
&funcs, arg, rb_ascii8bit_encoding());
|
|
}
|
|
|
|
static int
|
|
rb_glob_caller(const char *path, VALUE a, void *enc)
|
|
{
|
|
int status;
|
|
struct glob_args *args = (struct glob_args *)a;
|
|
|
|
args->path = path;
|
|
rb_protect(glob_func_caller, a, &status);
|
|
return status;
|
|
}
|
|
|
|
static const ruby_glob_funcs_t rb_glob_funcs = {
|
|
rb_glob_caller, rb_glob_error,
|
|
};
|
|
|
|
void
|
|
rb_glob(const char *path, void (*func)(const char *, VALUE, void *), VALUE arg)
|
|
{
|
|
struct glob_args args;
|
|
int status;
|
|
|
|
args.func = func;
|
|
args.value = arg;
|
|
args.enc = rb_ascii8bit_encoding();
|
|
|
|
status = ruby_glob0(path, AT_FDCWD, 0, GLOB_VERBOSE, &rb_glob_funcs,
|
|
(VALUE)&args, args.enc);
|
|
if (status) GLOB_JUMP_TAG(status);
|
|
}
|
|
|
|
static void
|
|
push_pattern(const char *path, VALUE ary, void *enc)
|
|
{
|
|
#if defined _WIN32 || defined __APPLE__
|
|
VALUE name = rb_utf8_str_new_cstr(path);
|
|
rb_encoding *eenc = rb_default_internal_encoding();
|
|
name = rb_str_conv_enc(name, NULL, eenc ? eenc : enc);
|
|
#else
|
|
VALUE name = rb_external_str_new_with_enc(path, strlen(path), enc);
|
|
#endif
|
|
rb_ary_push(ary, name);
|
|
}
|
|
|
|
static int
|
|
ruby_brace_expand(const char *str, int flags, ruby_glob_func *func, VALUE arg,
|
|
rb_encoding *enc, VALUE var)
|
|
{
|
|
const int escape = !(flags & FNM_NOESCAPE);
|
|
const char *p = str;
|
|
const char *pend = p + strlen(p);
|
|
const char *s = p;
|
|
const char *lbrace = 0, *rbrace = 0;
|
|
int nest = 0, status = 0;
|
|
|
|
while (*p) {
|
|
if (*p == '{' && nest++ == 0) {
|
|
lbrace = p;
|
|
}
|
|
if (*p == '}' && lbrace && --nest == 0) {
|
|
rbrace = p;
|
|
break;
|
|
}
|
|
if (*p == '\\' && escape) {
|
|
if (!*++p) break;
|
|
}
|
|
Inc(p, pend, enc);
|
|
}
|
|
|
|
if (lbrace && rbrace) {
|
|
size_t len = strlen(s) + 1;
|
|
char *buf = GLOB_ALLOC_N(char, len);
|
|
long shift;
|
|
|
|
if (!buf) return -1;
|
|
memcpy(buf, s, lbrace-s);
|
|
shift = (lbrace-s);
|
|
p = lbrace;
|
|
while (p < rbrace) {
|
|
const char *t = ++p;
|
|
nest = 0;
|
|
while (p < rbrace && !(*p == ',' && nest == 0)) {
|
|
if (*p == '{') nest++;
|
|
if (*p == '}') nest--;
|
|
if (*p == '\\' && escape) {
|
|
if (++p == rbrace) break;
|
|
}
|
|
Inc(p, pend, enc);
|
|
}
|
|
memcpy(buf+shift, t, p-t);
|
|
strlcpy(buf+shift+(p-t), rbrace+1, len-(shift+(p-t)));
|
|
status = ruby_brace_expand(buf, flags, func, arg, enc, var);
|
|
if (status) break;
|
|
}
|
|
GLOB_FREE(buf);
|
|
}
|
|
else if (!lbrace && !rbrace) {
|
|
status = glob_call_func(func, s, arg, enc);
|
|
}
|
|
|
|
RB_GC_GUARD(var);
|
|
return status;
|
|
}
|
|
|
|
struct brace_args {
|
|
ruby_glob_funcs_t funcs;
|
|
VALUE value;
|
|
int flags;
|
|
};
|
|
|
|
static int
|
|
glob_brace(const char *path, VALUE val, void *enc)
|
|
{
|
|
struct brace_args *arg = (struct brace_args *)val;
|
|
|
|
return ruby_glob0(path, AT_FDCWD, 0, arg->flags, &arg->funcs, arg->value, enc);
|
|
}
|
|
|
|
int
|
|
ruby_brace_glob_with_enc(const char *str, int flags, ruby_glob_func *func, VALUE arg, rb_encoding *enc)
|
|
{
|
|
struct brace_args args;
|
|
|
|
flags &= ~GLOB_VERBOSE;
|
|
args.funcs.match = func;
|
|
args.funcs.error = 0;
|
|
args.value = arg;
|
|
args.flags = flags;
|
|
return ruby_brace_expand(str, flags, glob_brace, (VALUE)&args, enc, Qfalse);
|
|
}
|
|
|
|
int
|
|
ruby_brace_glob(const char *str, int flags, ruby_glob_func *func, VALUE arg)
|
|
{
|
|
return ruby_brace_glob_with_enc(str, flags, func, arg, rb_ascii8bit_encoding());
|
|
}
|
|
|
|
static int
|
|
push_glob(VALUE ary, VALUE str, VALUE base, int flags)
|
|
{
|
|
struct glob_args args;
|
|
int fd;
|
|
rb_encoding *enc = rb_enc_get(str);
|
|
|
|
#if defined _WIN32 || defined __APPLE__
|
|
str = rb_str_encode_ospath(str);
|
|
#endif
|
|
if (rb_enc_to_index(enc) == ENCINDEX_US_ASCII)
|
|
enc = rb_filesystem_encoding();
|
|
if (rb_enc_to_index(enc) == ENCINDEX_US_ASCII)
|
|
enc = rb_ascii8bit_encoding();
|
|
flags |= GLOB_VERBOSE;
|
|
args.func = push_pattern;
|
|
args.value = ary;
|
|
args.enc = enc;
|
|
args.base = 0;
|
|
fd = AT_FDCWD;
|
|
if (!NIL_P(base)) {
|
|
if (!RB_TYPE_P(base, T_STRING) || !rb_enc_check(str, base)) {
|
|
struct dir_data *dirp = DATA_PTR(base);
|
|
if (!dirp->dir) dir_closed();
|
|
#ifdef HAVE_DIRFD
|
|
if ((fd = dirfd(dirp->dir)) == -1)
|
|
rb_sys_fail_path(dir_inspect(base));
|
|
#endif
|
|
base = dirp->path;
|
|
}
|
|
args.base = RSTRING_PTR(base);
|
|
}
|
|
#if defined _WIN32 || defined __APPLE__
|
|
enc = rb_utf8_encoding();
|
|
#endif
|
|
|
|
return ruby_glob0(RSTRING_PTR(str), fd, args.base, flags, &rb_glob_funcs,
|
|
(VALUE)&args, enc);
|
|
}
|
|
|
|
static VALUE
|
|
rb_push_glob(VALUE str, VALUE base, int flags) /* '\0' is delimiter */
|
|
{
|
|
VALUE ary;
|
|
int status;
|
|
|
|
/* can contain null bytes as separators */
|
|
if (!RB_TYPE_P(str, T_STRING)) {
|
|
FilePathValue(str);
|
|
}
|
|
else if (!rb_str_to_cstr(str)) {
|
|
rb_raise(rb_eArgError, "nul-separated glob pattern is deprecated");
|
|
}
|
|
else {
|
|
rb_enc_check(str, rb_enc_from_encoding(rb_usascii_encoding()));
|
|
}
|
|
ary = rb_ary_new();
|
|
|
|
status = push_glob(ary, str, base, flags);
|
|
if (status) GLOB_JUMP_TAG(status);
|
|
|
|
return ary;
|
|
}
|
|
|
|
static VALUE
|
|
dir_globs(VALUE args, VALUE base, int flags)
|
|
{
|
|
VALUE ary = rb_ary_new();
|
|
long i;
|
|
|
|
for (i = 0; i < RARRAY_LEN(args); ++i) {
|
|
int status;
|
|
VALUE str = RARRAY_AREF(args, i);
|
|
FilePathValue(str);
|
|
status = push_glob(ary, str, base, flags);
|
|
if (status) GLOB_JUMP_TAG(status);
|
|
}
|
|
RB_GC_GUARD(args);
|
|
|
|
return ary;
|
|
}
|
|
|
|
static VALUE
|
|
dir_glob_option_base(VALUE base)
|
|
{
|
|
if (NIL_OR_UNDEF_P(base)) {
|
|
return Qnil;
|
|
}
|
|
#if USE_OPENDIR_AT
|
|
if (rb_typeddata_is_kind_of(base, &dir_data_type)) {
|
|
return base;
|
|
}
|
|
#endif
|
|
FilePathValue(base);
|
|
if (!RSTRING_LEN(base)) return Qnil;
|
|
return base;
|
|
}
|
|
|
|
static int
|
|
dir_glob_option_sort(VALUE sort)
|
|
{
|
|
return (rb_bool_expected(sort, "sort", TRUE) ? 0 : FNM_GLOB_NOSORT);
|
|
}
|
|
|
|
static VALUE
|
|
dir_s_aref(rb_execution_context_t *ec, VALUE obj, VALUE args, VALUE base, VALUE sort)
|
|
{
|
|
const int flags = dir_glob_option_sort(sort);
|
|
base = dir_glob_option_base(base);
|
|
if (RARRAY_LEN(args) == 1) {
|
|
return rb_push_glob(RARRAY_AREF(args, 0), base, flags);
|
|
}
|
|
return dir_globs(args, base, flags);
|
|
}
|
|
|
|
static VALUE
|
|
dir_s_glob(rb_execution_context_t *ec, VALUE obj, VALUE str, VALUE rflags, VALUE base, VALUE sort)
|
|
{
|
|
VALUE ary = rb_check_array_type(str);
|
|
const int flags = (NUM2INT(rflags) | dir_glob_option_sort(sort)) & ~FNM_CASEFOLD;
|
|
base = dir_glob_option_base(base);
|
|
if (NIL_P(ary)) {
|
|
ary = rb_push_glob(str, base, flags);
|
|
}
|
|
else {
|
|
ary = dir_globs(ary, base, flags);
|
|
}
|
|
|
|
if (rb_block_given_p()) {
|
|
rb_ary_each(ary);
|
|
return Qnil;
|
|
}
|
|
return ary;
|
|
}
|
|
|
|
static VALUE
|
|
dir_open_dir(int argc, VALUE *argv)
|
|
{
|
|
VALUE dir = rb_funcallv_kw(rb_cDir, rb_intern("open"), argc, argv, RB_PASS_CALLED_KEYWORDS);
|
|
|
|
rb_check_typeddata(dir, &dir_data_type);
|
|
return dir;
|
|
}
|
|
|
|
|
|
/*
|
|
* call-seq:
|
|
* Dir.foreach( dirname ) {| filename | block } -> nil
|
|
* Dir.foreach( dirname, encoding: enc ) {| filename | block } -> nil
|
|
* Dir.foreach( dirname ) -> an_enumerator
|
|
* Dir.foreach( dirname, encoding: enc ) -> an_enumerator
|
|
*
|
|
* Calls the block once for each entry in the named directory, passing
|
|
* the filename of each entry as a parameter to the block.
|
|
*
|
|
* If no block is given, an enumerator is returned instead.
|
|
*
|
|
* Dir.foreach("testdir") {|x| puts "Got #{x}" }
|
|
*
|
|
* <em>produces:</em>
|
|
*
|
|
* Got .
|
|
* Got ..
|
|
* Got config.h
|
|
* Got main.rb
|
|
*
|
|
*/
|
|
static VALUE
|
|
dir_foreach(int argc, VALUE *argv, VALUE io)
|
|
{
|
|
VALUE dir;
|
|
|
|
RETURN_ENUMERATOR(io, argc, argv);
|
|
dir = dir_open_dir(argc, argv);
|
|
rb_ensure(dir_each, dir, dir_close, dir);
|
|
return Qnil;
|
|
}
|
|
|
|
static VALUE
|
|
dir_collect(VALUE dir)
|
|
{
|
|
VALUE ary = rb_ary_new();
|
|
dir_each_entry(dir, rb_ary_push, ary, FALSE);
|
|
return ary;
|
|
}
|
|
|
|
/*
|
|
* call-seq:
|
|
* Dir.entries( dirname ) -> array
|
|
* Dir.entries( dirname, encoding: enc ) -> array
|
|
*
|
|
* Returns an array containing all of the filenames in the given
|
|
* directory. Will raise a SystemCallError if the named directory
|
|
* doesn't exist.
|
|
*
|
|
* The optional <i>encoding</i> keyword argument specifies the encoding of the
|
|
* directory. If not specified, the filesystem encoding is used.
|
|
*
|
|
* Dir.entries("testdir") #=> [".", "..", "config.h", "main.rb"]
|
|
*
|
|
*/
|
|
static VALUE
|
|
dir_entries(int argc, VALUE *argv, VALUE io)
|
|
{
|
|
VALUE dir;
|
|
|
|
dir = dir_open_dir(argc, argv);
|
|
return rb_ensure(dir_collect, dir, dir_close, dir);
|
|
}
|
|
|
|
static VALUE
|
|
dir_each_child(VALUE dir)
|
|
{
|
|
return dir_each_entry(dir, dir_yield, Qnil, TRUE);
|
|
}
|
|
|
|
/*
|
|
* call-seq:
|
|
* Dir.each_child( dirname ) {| filename | block } -> nil
|
|
* Dir.each_child( dirname, encoding: enc ) {| filename | block } -> nil
|
|
* Dir.each_child( dirname ) -> an_enumerator
|
|
* Dir.each_child( dirname, encoding: enc ) -> an_enumerator
|
|
*
|
|
* Calls the block once for each entry except for "." and ".." in the
|
|
* named directory, passing the filename of each entry as a parameter
|
|
* to the block.
|
|
*
|
|
* If no block is given, an enumerator is returned instead.
|
|
*
|
|
* Dir.each_child("testdir") {|x| puts "Got #{x}" }
|
|
*
|
|
* <em>produces:</em>
|
|
*
|
|
* Got config.h
|
|
* Got main.rb
|
|
*
|
|
*/
|
|
static VALUE
|
|
dir_s_each_child(int argc, VALUE *argv, VALUE io)
|
|
{
|
|
VALUE dir;
|
|
|
|
RETURN_ENUMERATOR(io, argc, argv);
|
|
dir = dir_open_dir(argc, argv);
|
|
rb_ensure(dir_each_child, dir, dir_close, dir);
|
|
return Qnil;
|
|
}
|
|
|
|
/*
|
|
* call-seq:
|
|
* dir.each_child {| filename | block } -> dir
|
|
* dir.each_child -> an_enumerator
|
|
*
|
|
* Calls the block once for each entry except for "." and ".." in
|
|
* this directory, passing the filename of each entry as a parameter
|
|
* to the block.
|
|
*
|
|
* If no block is given, an enumerator is returned instead.
|
|
*
|
|
* d = Dir.new("testdir")
|
|
* d.each_child {|x| puts "Got #{x}" }
|
|
*
|
|
* <em>produces:</em>
|
|
*
|
|
* Got config.h
|
|
* Got main.rb
|
|
*
|
|
*/
|
|
static VALUE
|
|
dir_each_child_m(VALUE dir)
|
|
{
|
|
RETURN_ENUMERATOR(dir, 0, 0);
|
|
return dir_each_entry(dir, dir_yield, Qnil, TRUE);
|
|
}
|
|
|
|
/*
|
|
* call-seq:
|
|
* dir.children -> array
|
|
*
|
|
* Returns an array containing all of the filenames except for "."
|
|
* and ".." in this directory.
|
|
*
|
|
* d = Dir.new("testdir")
|
|
* d.children #=> ["config.h", "main.rb"]
|
|
*
|
|
*/
|
|
static VALUE
|
|
dir_collect_children(VALUE dir)
|
|
{
|
|
VALUE ary = rb_ary_new();
|
|
dir_each_entry(dir, rb_ary_push, ary, TRUE);
|
|
return ary;
|
|
}
|
|
|
|
/*
|
|
* call-seq:
|
|
* Dir.children( dirname ) -> array
|
|
* Dir.children( dirname, encoding: enc ) -> array
|
|
*
|
|
* Returns an array containing all of the filenames except for "."
|
|
* and ".." in the given directory. Will raise a SystemCallError if
|
|
* the named directory doesn't exist.
|
|
*
|
|
* The optional <i>encoding</i> keyword argument specifies the encoding of the
|
|
* directory. If not specified, the filesystem encoding is used.
|
|
*
|
|
* Dir.children("testdir") #=> ["config.h", "main.rb"]
|
|
*
|
|
*/
|
|
static VALUE
|
|
dir_s_children(int argc, VALUE *argv, VALUE io)
|
|
{
|
|
VALUE dir;
|
|
|
|
dir = dir_open_dir(argc, argv);
|
|
return rb_ensure(dir_collect_children, dir, dir_close, dir);
|
|
}
|
|
|
|
static int
|
|
fnmatch_brace(const char *pattern, VALUE val, void *enc)
|
|
{
|
|
struct brace_args *arg = (struct brace_args *)val;
|
|
VALUE path = arg->value;
|
|
rb_encoding *enc_pattern = enc;
|
|
rb_encoding *enc_path = rb_enc_get(path);
|
|
|
|
if (enc_pattern != enc_path) {
|
|
if (!rb_enc_asciicompat(enc_pattern))
|
|
return FNM_NOMATCH;
|
|
if (!rb_enc_asciicompat(enc_path))
|
|
return FNM_NOMATCH;
|
|
if (!rb_enc_str_asciionly_p(path)) {
|
|
int cr = ENC_CODERANGE_7BIT;
|
|
long len = strlen(pattern);
|
|
if (rb_str_coderange_scan_restartable(pattern, pattern + len,
|
|
enc_pattern, &cr) != len)
|
|
return FNM_NOMATCH;
|
|
if (cr != ENC_CODERANGE_7BIT)
|
|
return FNM_NOMATCH;
|
|
}
|
|
}
|
|
return (fnmatch(pattern, enc, RSTRING_PTR(path), arg->flags) == 0);
|
|
}
|
|
|
|
/* :nodoc: */
|
|
static VALUE
|
|
file_s_fnmatch(int argc, VALUE *argv, VALUE obj)
|
|
{
|
|
VALUE pattern, path;
|
|
VALUE rflags;
|
|
int flags;
|
|
|
|
if (rb_scan_args(argc, argv, "21", &pattern, &path, &rflags) == 3)
|
|
flags = NUM2INT(rflags);
|
|
else
|
|
flags = 0;
|
|
|
|
StringValueCStr(pattern);
|
|
FilePathStringValue(path);
|
|
|
|
if (flags & FNM_EXTGLOB) {
|
|
struct brace_args args;
|
|
|
|
args.value = path;
|
|
args.flags = flags;
|
|
if (ruby_brace_expand(RSTRING_PTR(pattern), flags, fnmatch_brace,
|
|
(VALUE)&args, rb_enc_get(pattern), pattern) > 0)
|
|
return Qtrue;
|
|
}
|
|
else {
|
|
rb_encoding *enc = rb_enc_compatible(pattern, path);
|
|
if (!enc) return Qfalse;
|
|
if (fnmatch(RSTRING_PTR(pattern), enc, RSTRING_PTR(path), flags) == 0)
|
|
return Qtrue;
|
|
}
|
|
RB_GC_GUARD(pattern);
|
|
|
|
return Qfalse;
|
|
}
|
|
|
|
/*
|
|
* call-seq:
|
|
* Dir.home() -> "/home/me"
|
|
* Dir.home("root") -> "/root"
|
|
*
|
|
* Returns the home directory of the current user or the named user
|
|
* if given.
|
|
*/
|
|
static VALUE
|
|
dir_s_home(int argc, VALUE *argv, VALUE obj)
|
|
{
|
|
VALUE user;
|
|
const char *u = 0;
|
|
|
|
rb_check_arity(argc, 0, 1);
|
|
user = (argc > 0) ? argv[0] : Qnil;
|
|
if (!NIL_P(user)) {
|
|
SafeStringValue(user);
|
|
rb_must_asciicompat(user);
|
|
u = StringValueCStr(user);
|
|
if (*u) {
|
|
return rb_home_dir_of(user, rb_str_new(0, 0));
|
|
}
|
|
}
|
|
return rb_default_home_dir(rb_str_new(0, 0));
|
|
|
|
}
|
|
|
|
#if 0
|
|
/*
|
|
* call-seq:
|
|
* Dir.exist?(file_name) -> true or false
|
|
*
|
|
* Returns <code>true</code> if the named file is a directory,
|
|
* <code>false</code> otherwise.
|
|
*
|
|
*/
|
|
VALUE
|
|
rb_file_directory_p(void)
|
|
{
|
|
}
|
|
#endif
|
|
|
|
static void *
|
|
nogvl_dir_empty_p(void *ptr)
|
|
{
|
|
const char *path = ptr;
|
|
DIR *dir = opendir(path);
|
|
struct dirent *dp;
|
|
VALUE result = Qtrue;
|
|
|
|
if (!dir) {
|
|
int e = errno;
|
|
switch (gc_for_fd_with_gvl(e)) {
|
|
default:
|
|
dir = opendir(path);
|
|
if (dir) break;
|
|
e = errno;
|
|
/* fall through */
|
|
case 0:
|
|
if (e == ENOTDIR) return (void *)Qfalse;
|
|
errno = e; /* for rb_sys_fail_path */
|
|
return (void *)Qundef;
|
|
}
|
|
}
|
|
while ((dp = READDIR(dir, NULL)) != NULL) {
|
|
if (!to_be_skipped(dp)) {
|
|
result = Qfalse;
|
|
break;
|
|
}
|
|
}
|
|
closedir(dir);
|
|
return (void *)result;
|
|
}
|
|
|
|
/*
|
|
* call-seq:
|
|
* Dir.empty?(path_name) -> true or false
|
|
*
|
|
* Returns <code>true</code> if the named file is an empty directory,
|
|
* <code>false</code> if it is not a directory or non-empty.
|
|
*/
|
|
static VALUE
|
|
rb_dir_s_empty_p(VALUE obj, VALUE dirname)
|
|
{
|
|
VALUE result, orig;
|
|
const char *path;
|
|
enum {false_on_notdir = 1};
|
|
|
|
FilePathValue(dirname);
|
|
orig = rb_str_dup_frozen(dirname);
|
|
dirname = rb_str_encode_ospath(dirname);
|
|
dirname = rb_str_dup_frozen(dirname);
|
|
path = RSTRING_PTR(dirname);
|
|
|
|
#if defined HAVE_GETATTRLIST && defined ATTR_DIR_ENTRYCOUNT
|
|
{
|
|
u_int32_t attrbuf[SIZEUP32(fsobj_tag_t)];
|
|
struct attrlist al = {ATTR_BIT_MAP_COUNT, 0, ATTR_CMN_OBJTAG,};
|
|
if (getattrlist(path, &al, attrbuf, sizeof(attrbuf), 0) != 0)
|
|
rb_sys_fail_path(orig);
|
|
if (*(const fsobj_tag_t *)(attrbuf+1) == VT_HFS) {
|
|
al.commonattr = 0;
|
|
al.dirattr = ATTR_DIR_ENTRYCOUNT;
|
|
if (getattrlist(path, &al, attrbuf, sizeof(attrbuf), 0) == 0) {
|
|
if (attrbuf[0] >= 2 * sizeof(u_int32_t))
|
|
return RBOOL(attrbuf[1] == 0);
|
|
if (false_on_notdir) return Qfalse;
|
|
}
|
|
rb_sys_fail_path(orig);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
result = (VALUE)rb_thread_call_without_gvl(nogvl_dir_empty_p, (void *)path,
|
|
RUBY_UBF_IO, 0);
|
|
if (UNDEF_P(result)) {
|
|
rb_sys_fail_path(orig);
|
|
}
|
|
return result;
|
|
}
|
|
|
|
void
|
|
Init_Dir(void)
|
|
{
|
|
rb_cDir = rb_define_class("Dir", rb_cObject);
|
|
|
|
rb_include_module(rb_cDir, rb_mEnumerable);
|
|
|
|
rb_define_alloc_func(rb_cDir, dir_s_alloc);
|
|
rb_define_singleton_method(rb_cDir,"for_fd", dir_s_for_fd, 1);
|
|
rb_define_singleton_method(rb_cDir, "foreach", dir_foreach, -1);
|
|
rb_define_singleton_method(rb_cDir, "entries", dir_entries, -1);
|
|
rb_define_singleton_method(rb_cDir, "each_child", dir_s_each_child, -1);
|
|
rb_define_singleton_method(rb_cDir, "children", dir_s_children, -1);
|
|
|
|
rb_define_method(rb_cDir,"fileno", dir_fileno, 0);
|
|
rb_define_method(rb_cDir,"path", dir_path, 0);
|
|
rb_define_method(rb_cDir,"to_path", dir_path, 0);
|
|
rb_define_method(rb_cDir,"inspect", dir_inspect, 0);
|
|
rb_define_method(rb_cDir,"read", dir_read, 0);
|
|
rb_define_method(rb_cDir,"each", dir_each, 0);
|
|
rb_define_method(rb_cDir,"each_child", dir_each_child_m, 0);
|
|
rb_define_method(rb_cDir,"children", dir_collect_children, 0);
|
|
rb_define_method(rb_cDir,"rewind", dir_rewind, 0);
|
|
rb_define_method(rb_cDir,"tell", dir_tell, 0);
|
|
rb_define_method(rb_cDir,"seek", dir_seek, 1);
|
|
rb_define_method(rb_cDir,"pos", dir_tell, 0);
|
|
rb_define_method(rb_cDir,"pos=", dir_set_pos, 1);
|
|
rb_define_method(rb_cDir,"close", dir_close, 0);
|
|
rb_define_method(rb_cDir,"chdir", dir_chdir, 0);
|
|
|
|
rb_define_singleton_method(rb_cDir,"fchdir", dir_s_fchdir, 1);
|
|
rb_define_singleton_method(rb_cDir,"chdir", dir_s_chdir, -1);
|
|
rb_define_singleton_method(rb_cDir,"getwd", dir_s_getwd, 0);
|
|
rb_define_singleton_method(rb_cDir,"pwd", dir_s_getwd, 0);
|
|
rb_define_singleton_method(rb_cDir,"chroot", dir_s_chroot, 1);
|
|
rb_define_singleton_method(rb_cDir,"mkdir", dir_s_mkdir, -1);
|
|
rb_define_singleton_method(rb_cDir,"rmdir", dir_s_rmdir, 1);
|
|
rb_define_singleton_method(rb_cDir,"delete", dir_s_rmdir, 1);
|
|
rb_define_singleton_method(rb_cDir,"unlink", dir_s_rmdir, 1);
|
|
rb_define_singleton_method(rb_cDir,"home", dir_s_home, -1);
|
|
|
|
rb_define_singleton_method(rb_cDir,"exist?", rb_file_directory_p, 1);
|
|
rb_define_singleton_method(rb_cDir,"empty?", rb_dir_s_empty_p, 1);
|
|
|
|
rb_define_singleton_method(rb_cFile,"fnmatch", file_s_fnmatch, -1);
|
|
rb_define_singleton_method(rb_cFile,"fnmatch?", file_s_fnmatch, -1);
|
|
|
|
/* Document-const: File::Constants::FNM_NOESCAPE
|
|
*
|
|
* Disables escapes in File.fnmatch and Dir.glob patterns
|
|
*/
|
|
rb_file_const("FNM_NOESCAPE", INT2FIX(FNM_NOESCAPE));
|
|
|
|
/* Document-const: File::Constants::FNM_PATHNAME
|
|
*
|
|
* Wildcards in File.fnmatch and Dir.glob patterns do not match directory
|
|
* separators
|
|
*/
|
|
rb_file_const("FNM_PATHNAME", INT2FIX(FNM_PATHNAME));
|
|
|
|
/* Document-const: File::Constants::FNM_DOTMATCH
|
|
*
|
|
* The '*' wildcard matches filenames starting with "." in File.fnmatch
|
|
* and Dir.glob patterns
|
|
*/
|
|
rb_file_const("FNM_DOTMATCH", INT2FIX(FNM_DOTMATCH));
|
|
|
|
/* Document-const: File::Constants::FNM_CASEFOLD
|
|
*
|
|
* Makes File.fnmatch patterns case insensitive (but not Dir.glob
|
|
* patterns).
|
|
*/
|
|
rb_file_const("FNM_CASEFOLD", INT2FIX(FNM_CASEFOLD));
|
|
|
|
/* Document-const: File::Constants::FNM_EXTGLOB
|
|
*
|
|
* Allows file globbing through "{a,b}" in File.fnmatch patterns.
|
|
*/
|
|
rb_file_const("FNM_EXTGLOB", INT2FIX(FNM_EXTGLOB));
|
|
|
|
/* Document-const: File::Constants::FNM_SYSCASE
|
|
*
|
|
* System default case insensitiveness, equals to FNM_CASEFOLD or
|
|
* 0.
|
|
*/
|
|
rb_file_const("FNM_SYSCASE", INT2FIX(FNM_SYSCASE));
|
|
|
|
/* Document-const: File::Constants::FNM_SHORTNAME
|
|
*
|
|
* Makes patterns to match short names if existing. Valid only
|
|
* on Microsoft Windows.
|
|
*/
|
|
rb_file_const("FNM_SHORTNAME", INT2FIX(FNM_SHORTNAME));
|
|
}
|
|
|
|
#include "dir.rbinc"
|