зеркало из https://github.com/github/ruby.git
116 строки
3.0 KiB
C
116 строки
3.0 KiB
C
/**********************************************************************
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rubyio.h -
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$Author$
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$Date$
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created at: Fri Nov 12 16:47:09 JST 1993
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Copyright (C) 1993-2003 Yukihiro Matsumoto
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**********************************************************************/
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#ifndef RUBYIO_H
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#define RUBYIO_H
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#include <stdio.h>
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#include <errno.h>
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#if defined(HAVE_STDIO_EXT_H)
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#include <stdio_ext.h>
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#endif
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typedef struct OpenFile {
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int fd; /* file descriptor */
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FILE *stdio_file; /* stdio ptr for read/write if available */
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int mode; /* mode flags */
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int pid; /* child's pid (for pipes) */
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int lineno; /* number of lines read */
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char *path; /* pathname for file */
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void (*finalize) _((struct OpenFile*,int)); /* finalize proc */
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long refcnt;
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char *wbuf; /* wbuf_off + wbuf_len <= wbuf_capa */
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int wbuf_off;
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int wbuf_len;
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int wbuf_capa;
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char *rbuf; /* rbuf_off + rbuf_len <= rbuf_capa */
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int rbuf_off;
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int rbuf_len;
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int rbuf_capa;
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} OpenFile;
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#define FMODE_READABLE 1
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#define FMODE_WRITABLE 2
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#define FMODE_READWRITE 3
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#define FMODE_APPEND 64
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#define FMODE_CREATE 128
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#define FMODE_BINMODE 4
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#define FMODE_SYNC 8
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#define FMODE_LINEBUF 16
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#define FMODE_DUPLEX 32
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#define GetOpenFile(obj,fp) rb_io_check_closed((fp) = RFILE(rb_io_taint_check(obj))->fptr)
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#define MakeOpenFile(obj, fp) do {\
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if (RFILE(obj)->fptr) {\
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rb_io_close(obj);\
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free(RFILE(obj)->fptr);\
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RFILE(obj)->fptr = 0;\
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}\
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fp = 0;\
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fp = RFILE(obj)->fptr = ALLOC(OpenFile);\
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fp->fd = -1;\
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fp->stdio_file = NULL;\
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fp->mode = 0;\
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fp->pid = 0;\
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fp->lineno = 0;\
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fp->path = NULL;\
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fp->finalize = 0;\
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fp->refcnt = 1;\
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fp->wbuf = NULL;\
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fp->wbuf_off = 0;\
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fp->wbuf_len = 0;\
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fp->wbuf_capa = 0;\
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fp->rbuf = NULL;\
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fp->rbuf_off = 0;\
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fp->rbuf_len = 0;\
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fp->rbuf_capa = 0;\
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} while (0)
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FILE *rb_io_stdio_file(OpenFile *fptr);
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FILE *rb_fopen _((const char*, const char*));
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FILE *rb_fdopen _((int, const char*));
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int rb_io_mode_flags _((const char*));
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int rb_io_modenum_flags _((int));
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void rb_io_check_writable _((OpenFile*));
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void rb_io_check_readable _((OpenFile*));
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int rb_io_fptr_finalize _((OpenFile*));
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void rb_io_synchronized _((OpenFile*));
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void rb_io_check_initialized _((OpenFile*));
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void rb_io_check_closed _((OpenFile*));
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int rb_io_wait_readable _((int));
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int rb_io_wait_writable _((int));
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VALUE rb_io_taint_check _((VALUE));
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NORETURN(void rb_eof_error _((void)));
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void rb_io_read_check _((OpenFile*));
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int rb_io_read_pending _((OpenFile*));
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void rb_read_check _((FILE*));
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#ifdef __GNUC__
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# if ( __GNUC__ == 3 && __GNUC_MINOR__ > 0 ) || __GNUC__ > 3
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# define DEPRECATED(x) x __attribute__ ((deprecated))
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# endif
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#endif
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#ifndef DEPRECATED
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# define DEPRECATED(x) x
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#endif
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DEPRECATED(int rb_getc _((FILE*)));
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DEPRECATED(long rb_io_fread _((char *, long, FILE *)));
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DEPRECATED(long rb_io_fwrite _((const char *, long, FILE *)));
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DEPRECATED(int rb_read_pending _((FILE*)));
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#endif
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