/********************************************************************** dir.c - $Author$ created at: Wed Jan 5 09:51:01 JST 1994 Copyright (C) 1993-2007 Yukihiro Matsumoto Copyright (C) 2000 Network Applied Communication Laboratory, Inc. Copyright (C) 2000 Information-technology Promotion Agency, Japan **********************************************************************/ #include "ruby/internal/config.h" #include #include #include #include #ifdef HAVE_UNISTD_H #include #endif #ifndef O_CLOEXEC # define O_CLOEXEC 0 #endif #ifndef USE_OPENDIR_AT # if defined(HAVE_FDOPENDIR) && defined(HAVE_DIRFD) && \ defined(HAVE_OPENAT) && defined(HAVE_FSTATAT) # define USE_OPENDIR_AT 1 # else # define USE_OPENDIR_AT 0 # endif #endif #if USE_OPENDIR_AT # include #endif #undef HAVE_DIRENT_NAMLEN #if defined HAVE_DIRENT_H && !defined _WIN32 # include # define NAMLEN(dirent) strlen((dirent)->d_name) #elif defined HAVE_DIRECT_H && !defined _WIN32 # include # define NAMLEN(dirent) strlen((dirent)->d_name) #else # define dirent direct # define NAMLEN(dirent) (dirent)->d_namlen # define HAVE_DIRENT_NAMLEN 1 # ifdef HAVE_SYS_NDIR_H # include # endif # ifdef HAVE_SYS_DIR_H # include # endif # ifdef HAVE_NDIR_H # include # endif # ifdef _WIN32 # include "win32/dir.h" # endif #endif #ifndef HAVE_STDLIB_H char *getenv(); #endif #ifndef HAVE_STRING_H char *strchr(char*,char); #endif #ifdef HAVE_SYS_ATTR_H #include #endif #define USE_NAME_ON_FS_REAL_BASENAME 1 /* platform dependent APIs to * get real basenames */ #define USE_NAME_ON_FS_BY_FNMATCH 2 /* select the matching * basename by fnmatch */ #ifdef HAVE_GETATTRLIST # define USE_NAME_ON_FS USE_NAME_ON_FS_REAL_BASENAME # define RUP32(size) ((size)+3/4) # define SIZEUP32(type) RUP32(sizeof(type)) #elif defined _WIN32 # define USE_NAME_ON_FS USE_NAME_ON_FS_REAL_BASENAME #elif defined DOSISH # define USE_NAME_ON_FS USE_NAME_ON_FS_BY_FNMATCH #else # define USE_NAME_ON_FS 0 #endif #ifdef __APPLE__ # define NORMALIZE_UTF8PATH 1 # include # include # include #else # define NORMALIZE_UTF8PATH 0 #endif #include "encindex.h" #include "id.h" #include "internal.h" #include "internal/array.h" #include "internal/dir.h" #include "internal/encoding.h" #include "internal/error.h" #include "internal/file.h" #include "internal/gc.h" #include "internal/io.h" #include "internal/object.h" #include "internal/imemo.h" #include "internal/vm.h" #include "ruby/encoding.h" #include "ruby/ruby.h" #include "ruby/thread.h" #include "ruby/util.h" #include "builtin.h" #ifndef AT_FDCWD # define AT_FDCWD -1 #endif #define vm_initialized rb_cThread /* define system APIs */ #ifdef _WIN32 # undef chdir # define chdir(p) rb_w32_uchdir(p) # undef mkdir # define mkdir(p, m) rb_w32_umkdir((p), (m)) # undef rmdir # define rmdir(p) rb_w32_urmdir(p) # undef opendir # define opendir(p) rb_w32_uopendir(p) # define ruby_getcwd() rb_w32_ugetcwd(NULL, 0) # define IS_WIN32 1 #else # define IS_WIN32 0 #endif #ifdef HAVE_GETATTRLIST struct getattrlist_args { const char *path; int fd; struct attrlist *list; void *buf; size_t size; unsigned int options; }; # define GETATTRLIST_ARGS(list_, buf_, options_) (struct getattrlist_args) \ {.list = list_, .buf = buf_, .size = sizeof(buf_), .options = options_} static void * nogvl_getattrlist(void *args) { struct getattrlist_args *arg = args; return (void *)(VALUE)getattrlist(arg->path, arg->list, arg->buf, arg->size, arg->options); } static int gvl_getattrlist(struct getattrlist_args *args, const char *path) { args->path = path; return IO_WITHOUT_GVL_INT(nogvl_getattrlist, args); } # ifdef HAVE_FGETATTRLIST static void * nogvl_fgetattrlist(void *args) { struct getattrlist_args *arg = args; return (void *)(VALUE)fgetattrlist(arg->fd, arg->list, arg->buf, arg->size, arg->options); } static int gvl_fgetattrlist(struct getattrlist_args *args, int fd) { args->fd = fd; return IO_WITHOUT_GVL_INT(nogvl_fgetattrlist, args); } # endif #endif #if NORMALIZE_UTF8PATH # if defined HAVE_FGETATTRLIST || !defined HAVE_GETATTRLIST # define need_normalization(dirp, path) need_normalization(dirp) # else # define need_normalization(dirp, path) need_normalization(path) # endif static inline int need_normalization(DIR *dirp, const char *path) { # if defined HAVE_FGETATTRLIST || defined HAVE_GETATTRLIST u_int32_t attrbuf[SIZEUP32(fsobj_tag_t)]; struct attrlist al = {ATTR_BIT_MAP_COUNT, 0, ATTR_CMN_OBJTAG,}; struct getattrlist_args args = GETATTRLIST_ARGS(&al, attrbuf, 0); # if defined HAVE_FGETATTRLIST int ret = gvl_fgetattrlist(&args, dirfd(dirp)); # else int ret = gvl_getattrlist(&args, path); # endif if (!ret) { const fsobj_tag_t *tag = (void *)(attrbuf+1); switch (*tag) { case VT_HFS: case VT_CIFS: return TRUE; } } # endif return FALSE; } static inline int has_nonascii(const char *ptr, size_t len) { while (len > 0) { if (!ISASCII(*ptr)) return 1; ptr++; --len; } return 0; } # define IF_NORMALIZE_UTF8PATH(something) something #else # define IF_NORMALIZE_UTF8PATH(something) /* nothing */ #endif #if defined(IFTODT) && defined(DT_UNKNOWN) # define EMULATE_IFTODT 0 #else # define EMULATE_IFTODT 1 #endif #if EMULATE_IFTODT # define IFTODT(m) (((m) & S_IFMT) / ((~S_IFMT & (S_IFMT-1)) + 1)) #endif typedef enum { #if !EMULATE_IFTODT path_exist = DT_UNKNOWN, path_directory = DT_DIR, path_regular = DT_REG, path_symlink = DT_LNK, #else path_exist, path_directory = IFTODT(S_IFDIR), path_regular = IFTODT(S_IFREG), path_symlink = IFTODT(S_IFLNK), #endif path_noent = -1, path_unknown = -2 } rb_pathtype_t; #define FNM_NOESCAPE 0x01 #define FNM_PATHNAME 0x02 #define FNM_DOTMATCH 0x04 #define FNM_CASEFOLD 0x08 #define FNM_EXTGLOB 0x10 #if CASEFOLD_FILESYSTEM #define FNM_SYSCASE FNM_CASEFOLD #else #define FNM_SYSCASE 0 #endif #ifdef _WIN32 #define FNM_SHORTNAME 0x20 #else #define FNM_SHORTNAME 0 #endif #define FNM_GLOB_NOSORT 0x40 #define FNM_GLOB_SKIPDOT 0x80 #define FNM_NOMATCH 1 #define FNM_ERROR 2 # define Next(p, e, enc) ((p)+ rb_enc_mbclen((p), (e), (enc))) # define Inc(p, e, enc) ((p) = Next((p), (e), (enc))) static char * bracket( const char *p, /* pattern (next to '[') */ const char *pend, const char *s, /* string */ const char *send, int flags, rb_encoding *enc) { const int nocase = flags & FNM_CASEFOLD; const int escape = !(flags & FNM_NOESCAPE); unsigned int c1, c2; int r; int ok = 0, not = 0; if (p >= pend) return NULL; if (*p == '!' || *p == '^') { not = 1; p++; } while (*p != ']') { const char *t1 = p; if (escape && *t1 == '\\') t1++; if (!*t1) return NULL; p = t1 + (r = rb_enc_mbclen(t1, pend, enc)); if (p >= pend) return NULL; if (p[0] == '-' && p[1] != ']') { const char *t2 = p + 1; int r2; if (escape && *t2 == '\\') t2++; if (!*t2) return NULL; p = t2 + (r2 = rb_enc_mbclen(t2, pend, enc)); if (ok) continue; if ((r <= (send-s) && memcmp(t1, s, r) == 0) || (r2 <= (send-s) && memcmp(t2, s, r2) == 0)) { ok = 1; continue; } c1 = rb_enc_codepoint(s, send, enc); if (nocase) c1 = rb_enc_toupper(c1, enc); c2 = rb_enc_codepoint(t1, pend, enc); if (nocase) c2 = rb_enc_toupper(c2, enc); if (c1 < c2) continue; c2 = rb_enc_codepoint(t2, pend, enc); if (nocase) c2 = rb_enc_toupper(c2, enc); if (c1 > c2) continue; } else { if (ok) continue; if (r <= (send-s) && memcmp(t1, s, r) == 0) { ok = 1; continue; } if (!nocase) continue; c1 = rb_enc_toupper(rb_enc_codepoint(s, send, enc), enc); c2 = rb_enc_toupper(rb_enc_codepoint(p, pend, enc), enc); if (c1 != c2) continue; } ok = 1; } return ok == not ? NULL : (char *)p + 1; } /* If FNM_PATHNAME is set, only path element will be matched. (up to '/' or '\0') Otherwise, entire string will be matched. End marker itself won't be compared. And if function succeeds, *pcur reaches end marker. */ #define UNESCAPE(p) (escape && *(p) == '\\' ? (p) + 1 : (p)) #define ISEND(p) (!*(p) || (pathname && *(p) == '/')) #define RETURN(val) return *pcur = p, *scur = s, (val); static int fnmatch_helper( const char **pcur, /* pattern */ const char **scur, /* string */ int flags, rb_encoding *enc) { const int period = !(flags & FNM_DOTMATCH); const int pathname = flags & FNM_PATHNAME; const int escape = !(flags & FNM_NOESCAPE); const int nocase = flags & FNM_CASEFOLD; const char *ptmp = 0; const char *stmp = 0; const char *p = *pcur; const char *pend = p + strlen(p); const char *s = *scur; const char *send = s + strlen(s); int r; if (period && *s == '.' && *UNESCAPE(p) != '.') /* leading period */ RETURN(FNM_NOMATCH); while (1) { switch (*p) { case '*': do { p++; } while (*p == '*'); if (ISEND(UNESCAPE(p))) { p = UNESCAPE(p); RETURN(0); } if (ISEND(s)) RETURN(FNM_NOMATCH); ptmp = p; stmp = s; continue; case '?': if (ISEND(s)) RETURN(FNM_NOMATCH); p++; Inc(s, send, enc); continue; case '[': { const char *t; if (ISEND(s)) RETURN(FNM_NOMATCH); if ((t = bracket(p + 1, pend, s, send, flags, enc)) != 0) { p = t; Inc(s, send, enc); continue; } goto failed; } } /* ordinary */ p = UNESCAPE(p); if (ISEND(s)) RETURN(ISEND(p) ? 0 : FNM_NOMATCH); if (ISEND(p)) goto failed; r = rb_enc_precise_mbclen(p, pend, enc); if (!MBCLEN_CHARFOUND_P(r)) goto failed; if (r <= (send-s) && memcmp(p, s, r) == 0) { p += r; s += r; continue; } if (!nocase) goto failed; if (rb_enc_toupper(rb_enc_codepoint(p, pend, enc), enc) != rb_enc_toupper(rb_enc_codepoint(s, send, enc), enc)) goto failed; p += r; Inc(s, send, enc); continue; failed: /* try next '*' position */ if (ptmp && stmp) { p = ptmp; Inc(stmp, send, enc); /* !ISEND(*stmp) */ s = stmp; continue; } RETURN(FNM_NOMATCH); } } static int fnmatch( const char *pattern, rb_encoding *enc, const char *string, int flags) { const char *p = pattern; const char *s = string; const char *send = s + strlen(string); const int period = !(flags & FNM_DOTMATCH); const int pathname = flags & FNM_PATHNAME; const char *ptmp = 0; const char *stmp = 0; if (pathname) { while (1) { if (p[0] == '*' && p[1] == '*' && p[2] == '/') { do { p += 3; } while (p[0] == '*' && p[1] == '*' && p[2] == '/'); ptmp = p; stmp = s; } if (fnmatch_helper(&p, &s, flags, enc) == 0) { while (*s && *s != '/') Inc(s, send, enc); if (*p && *s) { p++; s++; continue; } if (!*p && !*s) return 0; } /* failed : try next recursion */ if (ptmp && stmp && !(period && *stmp == '.')) { while (*stmp && *stmp != '/') Inc(stmp, send, enc); if (*stmp) { p = ptmp; stmp++; s = stmp; continue; } } return FNM_NOMATCH; } } else return fnmatch_helper(&p, &s, flags, enc); } VALUE rb_cDir; struct dir_data { DIR *dir; const VALUE path; rb_encoding *enc; }; static void dir_free(void *ptr) { struct dir_data *dir = ptr; if (dir->dir) closedir(dir->dir); } RUBY_REFERENCES(dir_refs) = { RUBY_REF_EDGE(struct dir_data, path), RUBY_REF_END }; static const rb_data_type_t dir_data_type = { "dir", { RUBY_REFS_LIST_PTR(dir_refs), dir_free, NULL, // Nothing allocated externally, so don't need a memsize function }, 0, NULL, RUBY_TYPED_WB_PROTECTED | RUBY_TYPED_FREE_IMMEDIATELY | RUBY_TYPED_DECL_MARKING | RUBY_TYPED_EMBEDDABLE }; static VALUE dir_close(VALUE); static VALUE dir_s_alloc(VALUE klass) { struct dir_data *dirp; VALUE obj = TypedData_Make_Struct(klass, struct dir_data, &dir_data_type, dirp); dirp->dir = NULL; RB_OBJ_WRITE(obj, &dirp->path, Qnil); dirp->enc = NULL; return obj; } static void * nogvl_opendir(void *ptr) { const char *path = ptr; return opendir(path); } static DIR * opendir_without_gvl(const char *path) { if (vm_initialized) { union { const void *in; void *out; } u; u.in = path; return IO_WITHOUT_GVL(nogvl_opendir, u.out); } else return opendir(path); } static VALUE 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}; struct getattrlist_args args = GETATTRLIST_ARGS(&al, attrbuf, FSOPT_NOFOLLOW); if (gvl_getattrlist(&args, path) == 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) static void * nogvl_fdopendir(void *fd) { return fdopendir((int)(VALUE)fd); } /* * call-seq: * Dir.for_fd(fd) -> dir * * Returns a new \Dir object representing the directory specified by the given * integer directory file descriptor +fd+: * * d0 = Dir.new('..') * d1 = Dir.for_fd(d0.fileno) * * Note that the returned +d1+ does not have an associated path: * * d0.path # => '..' * d1.path # => nil * * This method uses the * {fdopendir()}[https://www.man7.org/linux/man-pages/man3/fdopendir.3p.html] * function defined by POSIX 2008; * the method is not implemented on non-POSIX platforms (raises NotImplementedError). */ 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 = IO_WITHOUT_GVL(nogvl_fdopendir, (void *)(VALUE)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: * inspect -> string * * Returns a string description of +self+: * * Dir.new('example').inspect # => "#" * */ 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: * fileno -> integer * * Returns the file descriptor used in dir. * * d = Dir.new('..') * d.fileno # => 8 * * This method uses the * {dirfd()}[https://www.man7.org/linux/man-pages/man3/dirfd.3.html] * function defined by POSIX 2008; * the method is not implemented on non-POSIX platforms (raises NotImplementedError). */ 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: * path -> string or nil * * Returns the +dirpath+ string that was used to create +self+ * (or +nil+ if created by method Dir.for_fd): * * Dir.new('example').path # => "example" * */ 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)) # define READDIR_NOGVL READDIR #else static void * nogvl_readdir(void *dir) { return readdir(dir); } # define READDIR(dir, enc) IO_WITHOUT_GVL(nogvl_readdir, (void *)(dir)) # define READDIR_NOGVL(dir, enc) nogvl_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: * read -> string or nil * * Reads and returns the next entry name from +self+; * returns +nil+ if at end-of-stream; * see {Dir As Stream-Like}[rdoc-ref:Dir@Dir+As+Stream-Like]: * * dir = Dir.new('example') * dir.read # => "." * dir.read # => ".." * dir.read # => "config.h" * */ static VALUE dir_read(VALUE dir) { struct dir_data *dirp; struct dirent *dp; GetDIR(dir, dirp); rb_errno_set(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: * each {|entry_name| ... } -> self * * Calls the block with each entry name in +self+: * * Dir.new('example').each {|entry_name| p entry_name } * * Output: * "." * ".." * "config.h" * "lib" * "main.rb" * * With no block given, returns an Enumerator. * */ 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: * tell -> integer * * Returns the current position of +self+; * see {Dir As Stream-Like}[rdoc-ref:Dir@Dir+As+Stream-Like]: * * dir = Dir.new('example') * dir.tell # => 0 * dir.read # => "." * dir.tell # => 1 * */ 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: * seek(position) -> self * * Sets the position in +self+ and returns +self+. * The value of +position+ should have been returned from an earlier call to #tell; * if not, the return values from subsequent calls to #read are unspecified. * * See {Dir As Stream-Like}[rdoc-ref:Dir@Dir+As+Stream-Like]. * * Examples: * * dir = Dir.new('example') * dir.pos # => 0 * dir.seek(3) # => # * dir.pos # => 3 * dir.seek(30) # => # * dir.pos # => 5 * */ 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: * pos = position -> integer * * Sets the position in +self+ and returns +position+. * The value of +position+ should have been returned from an earlier call to #tell; * if not, the return values from subsequent calls to #read are unspecified. * * See {Dir As Stream-Like}[rdoc-ref:Dir@Dir+As+Stream-Like]. * * Examples: * * dir = Dir.new('example') * dir.pos # => 0 * dir.pos = 3 # => 3 * dir.pos # => 3 * dir.pos = 30 # => 30 * dir.pos # => 5 * */ 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: * rewind -> self * * Sets the position in +self+ to zero; * see {Dir As Stream-Like}[rdoc-ref:Dir@Dir+As+Stream-Like]: * * dir = Dir.new('example') * dir.read # => "." * dir.read # => ".." * dir.pos # => 2 * dir.rewind # => # * dir.pos # => 0 * */ static VALUE dir_rewind(VALUE dir) { struct dir_data *dirp; GetDIR(dir, dirp); rewinddir(dirp->dir); return dir; } /* * call-seq: * close -> nil * * Closes the stream in +self+, if it is open, and returns +nil+; * ignored if +self+ is already closed: * * dir = Dir.new('example') * dir.read # => "." * dir.close # => nil * dir.close # => nil * dir.read # Raises IOError. * */ 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 (IO_WITHOUT_GVL_INT(nogvl_chdir, (void*)RSTRING_PTR(path)) < 0) rb_sys_fail_path(path); } static struct { VALUE thread; VALUE path; int line; int blocking; } chdir_lock = { .blocking = 0, .thread = Qnil, .path = Qnil, .line = 0, }; static void chdir_enter(void) { if (chdir_lock.blocking == 0) { chdir_lock.path = rb_source_location(&chdir_lock.line); } chdir_lock.blocking++; if (NIL_P(chdir_lock.thread)) { chdir_lock.thread = rb_thread_current(); } } static void chdir_leave(void) { chdir_lock.blocking--; if (chdir_lock.blocking == 0) { chdir_lock.thread = Qnil; chdir_lock.path = Qnil; chdir_lock.line = 0; } } static int chdir_alone_block_p(void) { int block_given = rb_block_given_p(); if (chdir_lock.blocking > 0) { if (rb_thread_current() != chdir_lock.thread) rb_raise(rb_eRuntimeError, "conflicting chdir during another chdir block"); if (!block_given) { if (!NIL_P(chdir_lock.path)) { rb_warn("conflicting chdir during another chdir block\n" "%" PRIsVALUE ":%d: note: previous chdir was here", chdir_lock.path, chdir_lock.line); } else { rb_warn("conflicting chdir during another chdir block"); } } } return block_given; } struct chdir_data { VALUE old_path, new_path; int done; bool yield_path; }; static VALUE chdir_yield(VALUE v) { struct chdir_data *args = (void *)v; dir_chdir0(args->new_path); args->done = TRUE; chdir_enter(); return args->yield_path ? rb_yield(args->new_path) : rb_yield_values2(0, NULL); } static VALUE chdir_restore(VALUE v) { struct chdir_data *args = (void *)v; if (args->done) { chdir_leave(); dir_chdir0(args->old_path); } return Qnil; } static VALUE chdir_path(VALUE path, bool yield_path) { if (chdir_alone_block_p()) { struct chdir_data args; args.old_path = rb_str_encode_ospath(rb_dir_getwd()); args.new_path = path; args.done = FALSE; args.yield_path = yield_path; return rb_ensure(chdir_yield, (VALUE)&args, chdir_restore, (VALUE)&args); } else { char *p = RSTRING_PTR(path); int r = IO_WITHOUT_GVL_INT(nogvl_chdir, p); if (r < 0) rb_sys_fail_path(path); } return INT2FIX(0); } /* * call-seq: * Dir.chdir(new_dirpath) -> 0 * Dir.chdir -> 0 * Dir.chdir(new_dirpath) {|new_dirpath| ... } -> object * Dir.chdir {|cur_dirpath| ... } -> object * * Changes the current working directory. * * With argument +new_dirpath+ and no block, * changes to the given +dirpath+: * * Dir.pwd # => "/example" * Dir.chdir('..') # => 0 * Dir.pwd # => "/" * * With no argument and no block: * * - Changes to the value of environment variable +HOME+ if defined. * - Otherwise changes to the value of environment variable +LOGDIR+ if defined. * - Otherwise makes no change. * * With argument +new_dirpath+ and a block, temporarily changes the working directory: * * - Calls the block with the argument. * - Changes to the given directory. * - Executes the block (yielding the new path). * - Restores the previous working directory. * - Returns the block's return value. * * Example: * * Dir.chdir('/var/spool/mail') * Dir.pwd # => "/var/spool/mail" * Dir.chdir('/tmp') do * Dir.pwd # => "/tmp" * end * Dir.pwd # => "/var/spool/mail" * * With no argument and a block, * calls the block with the current working directory (string) * and returns the block's return value. * * Calls to \Dir.chdir with blocks may be nested: * * Dir.chdir('/var/spool/mail') * Dir.pwd # => "/var/spool/mail" * Dir.chdir('/tmp') do * Dir.pwd # => "/tmp" * Dir.chdir('/usr') do * Dir.pwd # => "/usr" * end * Dir.pwd # => "/tmp" * end * Dir.pwd # => "/var/spool/mail" * * In a multi-threaded program an error is raised if a thread attempts * to open a +chdir+ block while another thread has one open, * or a call to +chdir+ without a block occurs inside * a block passed to +chdir+ (even in the same thread). * * Raises an exception if the target directory does not exist. */ 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); } return chdir_path(path, true); } #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 (IO_WITHOUT_GVL_INT(nogvl_fchdir, (void *)&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_enter(); return rb_yield_values(0); } static VALUE fchdir_restore(VALUE v) { struct fchdir_data *args = (void *)v; if (args->done) { chdir_leave(); dir_fchdir(RB_NUM2INT(dir_fileno(args->old_dir))); } dir_close(args->old_dir); return Qnil; } /* * call-seq: * Dir.fchdir(fd) -> 0 * Dir.fchdir(fd) { ... } -> object * * Changes the current working directory to the directory * specified by the integer file descriptor +fd+. * * When passing a file descriptor over a UNIX socket or to a child process, * using +fchdir+ instead of +chdir+ avoids the * {time-of-check to time-of-use vulnerability}[https://en.wikipedia.org/wiki/Time-of-check_to_time-of-use] * * With no block, changes to the directory given by +fd+: * * Dir.chdir('/var/spool/mail') * Dir.pwd # => "/var/spool/mail" * dir = Dir.new('/usr') * fd = dir.fileno * Dir.fchdir(fd) * Dir.pwd # => "/usr" * * With a block, temporarily changes the working directory: * * - Calls the block with the argument. * - Changes to the given directory. * - Executes the block (yields no args). * - Restores the previous working directory. * - Returns the block's return value. * * Example: * * Dir.chdir('/var/spool/mail') * Dir.pwd # => "/var/spool/mail" * dir = Dir.new('/tmp') * fd = dir.fileno * Dir.fchdir(fd) do * Dir.pwd # => "/tmp" * end * Dir.pwd # => "/var/spool/mail" * * This method uses the * {fchdir()}[https://www.man7.org/linux/man-pages/man3/fchdir.3p.html] * function defined by POSIX 2008; * the method is not implemented on non-POSIX platforms (raises NotImplementedError). * * Raises an exception if the file descriptor is not valid. * * In a multi-threaded program an error is raised if a thread attempts * to open a +chdir+ block while another thread has one open, * or a call to +chdir+ without a block occurs inside * a block passed to +chdir+ (even in the same thread). */ static VALUE dir_s_fchdir(VALUE klass, VALUE fd_value) { int fd = RB_NUM2INT(fd_value); if (chdir_alone_block_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 = IO_WITHOUT_GVL_INT(nogvl_fchdir, &fd); if (r < 0) rb_sys_fail("fchdir"); } return INT2FIX(0); } #else #define dir_s_fchdir rb_f_notimplement #endif /* * call-seq: * chdir -> 0 * chdir { ... } -> object * * Changes the current working directory to +self+: * * Dir.pwd # => "/" * dir = Dir.new('example') * dir.chdir * Dir.pwd # => "/example" * * With a block, temporarily changes the working directory: * * - Calls the block. * - Changes to the given directory. * - Executes the block (yields no args). * - Restores the previous working directory. * - Returns the block's return value. * * Uses Dir.fchdir if available, and Dir.chdir if not, see those * methods for caveats. */ static VALUE dir_chdir(VALUE dir) { #if defined(HAVE_FCHDIR) && defined(HAVE_DIRFD) && HAVE_FCHDIR && HAVE_DIRFD return dir_s_fchdir(rb_cDir, dir_fileno(dir)); #else return chdir_path(dir_get(dir)->path, false); #endif } #ifndef _WIN32 VALUE rb_dir_getwd_ospath(void) { char *path; VALUE cwd; VALUE path_guard; path_guard = rb_imemo_tmpbuf_auto_free_pointer(); path = ruby_getcwd(); rb_imemo_tmpbuf_set_ptr(path_guard, path); #ifdef __APPLE__ cwd = rb_str_normalize_ospath(path, strlen(path)); #else cwd = rb_str_new2(path); #endif rb_free_tmp_buffer(&path_guard); 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.pwd -> string * * Returns the path to the current working directory: * * Dir.chdir("/tmp") # => 0 * 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) static void * nogvl_chroot(void *dirname) { return (void *)(VALUE)chroot((const char *)dirname); } /* * call-seq: * Dir.chroot(dirpath) -> 0 * * Changes the root directory of the calling process to that specified in +dirpath+. * The new root directory is used for pathnames beginning with '/'. * The root directory is inherited by all children of the calling process. * * Only a privileged process may call +chroot+. * * See {Linux chroot}[https://man7.org/linux/man-pages/man2/chroot.2.html]. */ static VALUE dir_s_chroot(VALUE dir, VALUE path) { path = check_dirname(path); if (IO_WITHOUT_GVL_INT(nogvl_chroot, (void *)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(dirpath, permissions = 0775) -> 0 * * Creates a directory in the underlying file system * at +dirpath+ with the given +permissions+; * returns zero: * * Dir.mkdir('foo') * File.stat(Dir.new('foo')).mode.to_s(8)[1..4] # => "0755" * Dir.mkdir('bar', 0644) * File.stat(Dir.new('bar')).mode.to_s(8)[1..4] # => "0644" * * See {File Permissions}[rdoc-ref:File@File+Permissions]. * Note that argument +permissions+ is ignored on Windows. */ 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 = IO_WITHOUT_GVL_INT(nogvl_mkdir, &m); 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.rmdir(dirpath) -> 0 * * Removes the directory at +dirpath+ from the underlying file system: * * Dir.rmdir('foo') # => 0 * * Raises an exception if the directory is not empty. */ static VALUE dir_s_rmdir(VALUE obj, VALUE dir) { const char *p; int r; dir = check_dirname(dir); p = RSTRING_PTR(dir); r = IO_WITHOUT_GVL_INT(nogvl_rmdir, (void *)p); 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(args) (int)(VALUE)nogvl_stat(&(args)) #define LSTAT(args) (int)(VALUE)nogvl_lstat(&(args)) #else #define STAT(args) IO_WITHOUT_GVL_INT(nogvl_stat, (void *)&(args)) #define LSTAT(args) IO_WITHOUT_GVL_INT(nogvl_lstat, (void *)&(args)) #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 : "."; } #if USE_OPENDIR_AT struct fstatat_args { int fd; int flag; const char *path; struct stat *pst; }; static void * nogvl_fstatat(void *args) { struct fstatat_args *arg = (struct fstatat_args *)args; return (void *)(VALUE)fstatat(arg->fd, arg->path, arg->pst, arg->flag); } #else struct stat_args { const char *path; struct stat *pst; }; static void * nogvl_stat(void *args) { struct stat_args *arg = (struct stat_args *)args; return (void *)(VALUE)stat(arg->path, arg->pst); } #endif /* 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 struct fstatat_args args; args.fd = fd; args.path = path; args.pst = pst; args.flag = 0; int ret = IO_WITHOUT_GVL_INT(nogvl_fstatat, (void *)&args); #else struct stat_args args; args.path = path; args.pst = pst; int ret = STAT(args); #endif if (ret < 0 && !to_be_ignored(errno)) sys_warning(path, enc); return ret; } #if defined HAVE_LSTAT || defined lstat || USE_OPENDIR_AT #if !USE_OPENDIR_AT static void * nogvl_lstat(void *args) { struct stat_args *arg = (struct stat_args *)args; return (void *)(VALUE)lstat(arg->path, arg->pst); } #endif static int do_lstat(int fd, size_t baselen, const char *path, struct stat *pst, int flags, rb_encoding *enc) { #if USE_OPENDIR_AT struct fstatat_args args; args.fd = fd; args.path = path; args.pst = pst; args.flag = AT_SYMLINK_NOFOLLOW; int ret = IO_WITHOUT_GVL_INT(nogvl_fstatat, (void *)&args); #else struct stat_args args; args.path = path; args.pst = pst; int ret = LSTAT(args); #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); rb_errno_set(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 IO_WITHOUT_GVL(nogvl_opendir_at, &oaa); 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; struct getattrlist_args args = GETATTRLIST_ARGS(&al, attrbuf, FSOPT_NOFOLLOW); # if defined HAVE_FGETATTRLIST int ret = gvl_fgetattrlist(&args, dirfd(dirp)); # else int ret = gvl_getattrlist(&args, path); # endif if (ret) return -1; 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; struct getattrlist_args args = GETATTRLIST_ARGS(&al, attrbuf, FSOPT_NOFOLLOW); if (gvl_getattrlist(&args, path)) { 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 = RTYPEDDATA_GET_DATA(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(dirpath, encoding: 'UTF-8') {|entry_name| ... } -> nil * * Calls the block with each entry name in the directory at +dirpath+; * sets the given encoding onto each passed +entry_name+: * * Dir.foreach('/example') {|entry_name| p entry_name } * * Output: * * "config.h" * "lib" * "main.rb" * ".." * "." * * Encoding: * * Dir.foreach('/example') {|entry_name| p entry_name.encoding; break } * Dir.foreach('/example', encoding: 'US-ASCII') {|entry_name| p entry_name.encoding; break } * * Output: * * # * # * * See {String Encoding}[rdoc-ref:encodings.rdoc@String+Encoding]. * * Returns an enumerator if no block is given. */ 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, encoding: 'UTF-8') -> array * * Returns an array of the entry names in the directory at +dirpath+; * sets the given encoding onto each returned entry name: * * Dir.entries('/example') # => ["config.h", "lib", "main.rb", "..", "."] * Dir.entries('/example').first.encoding * # => # * Dir.entries('/example', encoding: 'US-ASCII').first.encoding * # => # * * See {String Encoding}[rdoc-ref:encodings.rdoc@String+Encoding]. * * Raises an exception if the directory does not exist. */ 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(dirpath) {|entry_name| ... } -> nil * Dir.each_child(dirpath, encoding: 'UTF-8') {|entry_name| ... } -> nil * * Like Dir.foreach, except that entries '.' and '..' * are not included. */ 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: * each_child {|entry_name| ... } -> self * * Calls the block with each entry name in +self+ * except '.' and '..': * * dir = Dir.new('/example') * dir.each_child {|entry_name| p entry_name } * * Output: * * "config.h" * "lib" * "main.rb" * * If no block is given, returns an enumerator. */ static VALUE dir_each_child_m(VALUE dir) { RETURN_ENUMERATOR(dir, 0, 0); return dir_each_entry(dir, dir_yield, Qnil, TRUE); } /* * call-seq: * children -> array * * Returns an array of the entry names in +self+ * except for '.' and '..': * * dir = Dir.new('/example') * dir.children # => ["config.h", "lib", "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(dirpath) -> array * Dir.children(dirpath, encoding: 'UTF-8') -> array * * Returns an array of the entry names in the directory at +dirpath+ * except for '.' and '..'; * sets the given encoding onto each returned entry name: * * Dir.children('/example') # => ["config.h", "lib", "main.rb"] * Dir.children('/example').first.encoding * # => # * Dir.children('/example', encoding: 'US-ASCII').first.encoding * # => # * * See {String Encoding}[rdoc-ref:encodings.rdoc@String+Encoding]. * * Raises an exception if the directory does not exist. */ 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(user_name = nil) -> dirpath * * Returns the home directory path of the user specified with +user_name+ * if it is not +nil+, or the current login user: * * Dir.home # => "/home/me" * Dir.home('root') # => "/root" * * Raises ArgumentError if +user_name+ is not a user name. */ 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)) { StringValue(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?(dirpath) -> true or false * * Returns whether +dirpath+ is a directory in the underlying file system: * * Dir.exist?('/example') # => true * Dir.exist?('/nosuch') # => false * Dir.exist?('/example/main.rb') # => false * * Same as File.directory?. * */ 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; return (void *)INT2FIX(e); } } while ((dp = READDIR_NOGVL(dir, NULL)) != NULL) { if (!to_be_skipped(dp)) { result = Qfalse; break; } } closedir(dir); return (void *)result; } /* * call-seq: * Dir.empty?(dirpath) -> true or false * * Returns whether +dirpath+ specifies an empty directory: * * dirpath = '/tmp/foo' * Dir.mkdir(dirpath) * Dir.empty?(dirpath) # => true * Dir.empty?('/example') # => false * Dir.empty?('/example/main.rb') # => false * * Raises an exception if +dirpath+ does not specify a directory or file * in the underlying file system. */ 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,}; struct getattrlist_args args = GETATTRLIST_ARGS(&al, attrbuf, 0); if (gvl_getattrlist(&args, path) != 0) rb_sys_fail_path(orig); if (*(const fsobj_tag_t *)(attrbuf+1) == VT_HFS) { al.commonattr = 0; al.dirattr = ATTR_DIR_ENTRYCOUNT; if (gvl_getattrlist(&args, path) == 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)IO_WITHOUT_GVL(nogvl_dir_empty_p, (void *)path); if (FIXNUM_P(result)) { rb_syserr_fail_path((int)FIX2LONG(result), orig); } return result; } void Init_Dir(void) { rb_gc_register_address(&chdir_lock.path); rb_gc_register_address(&chdir_lock.thread); 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: FNM_NOESCAPE * {File::FNM_NOESCAPE}[rdoc-ref:File::Constants@File-3A-3AFNM_NOESCAPE] */ rb_file_const("FNM_NOESCAPE", INT2FIX(FNM_NOESCAPE)); /* Document-const: FNM_PATHNAME * {File::FNM_PATHNAME}[rdoc-ref:File::Constants@File-3A-3AFNM_PATHNAME] */ rb_file_const("FNM_PATHNAME", INT2FIX(FNM_PATHNAME)); /* Document-const: FNM_DOTMATCH * {File::FNM_DOTMATCH}[rdoc-ref:File::Constants@File-3A-3AFNM_DOTMATCH] */ rb_file_const("FNM_DOTMATCH", INT2FIX(FNM_DOTMATCH)); /* Document-const: FNM_CASEFOLD * {File::FNM_CASEFOLD}[rdoc-ref:File::Constants@File-3A-3AFNM_CASEFOLD] */ rb_file_const("FNM_CASEFOLD", INT2FIX(FNM_CASEFOLD)); /* Document-const: FNM_EXTGLOB * {File::FNM_EXTGLOB}[rdoc-ref:File::Constants@File-3A-3AFNM_EXTGLOB] */ rb_file_const("FNM_EXTGLOB", INT2FIX(FNM_EXTGLOB)); /* Document-const: FNM_SYSCASE * {File::FNM_SYSCASE}[rdoc-ref:File::Constants@File-3A-3AFNM_SYSCASE] */ rb_file_const("FNM_SYSCASE", INT2FIX(FNM_SYSCASE)); /* Document-const: FNM_SHORTNAME * {File::FNM_SHORTNAME}[rdoc-ref:File::Constants@File-3A-3AFNM_SHORTNAME] */ rb_file_const("FNM_SHORTNAME", INT2FIX(FNM_SHORTNAME)); } #include "dir.rbinc"