/**********************************************************************
rubyio.h -
$Author: nobu $
$Date: 2008-04-15 12:35:55 +0900 (Tue, 15 Apr 2008) $
created at: Fri Nov 12 16:47:09 JST 1993
Copyright (C) 1993-2003 Yukihiro Matsumoto
**********************************************************************/
#ifndef RUBYIO_H
#define RUBYIO_H
#include <stdio.h>
#include <errno.h>
#if defined(HAVE_STDIO_EXT_H)
#include <stdio_ext.h>
#endif
typedef struct rb_io_t {
FILE *f; /* stdio ptr for read/write */
FILE *f2; /* additional ptr for rw pipes */
int mode; /* mode flags */
int pid; /* child's pid (for pipes) */
int lineno; /* number of lines read */
char *path; /* pathname for file */
void (*finalize) _((struct rb_io_t*,int)); /* finalize proc */
} rb_io_t;
#define HAVE_RB_IO_T 1
#define OpenFile rb_io_t /* for backward compatibility */
#define FMODE_READABLE 1
#define FMODE_WRITABLE 2
#define FMODE_READWRITE 3
#define FMODE_APPEND 64
#define FMODE_CREATE 128
#define FMODE_BINMODE 4
#define FMODE_SYNC 8
#define FMODE_WBUF 16
#define FMODE_RBUF 32
#define FMODE_WSPLIT 0x200
#define FMODE_WSPLIT_INITIALIZED 0x400
#define GetOpenFile(obj,fp) rb_io_check_closed((fp) = RFILE(rb_io_taint_check(obj))->fptr)
#define MakeOpenFile(obj, fp) do {\
if (RFILE(obj)->fptr) {\
rb_io_close(obj);\
free(RFILE(obj)->fptr);\
RFILE(obj)->fptr = 0;\
}\
fp = 0;\
fp = RFILE(obj)->fptr = ALLOC(rb_io_t);\
fp->f = fp->f2 = NULL;\
fp->mode = 0;\
fp->pid = 0;\
fp->lineno = 0;\
fp->path = NULL;\
fp->finalize = 0;\
} while (0)
#define GetReadFile(fptr) ((fptr)->f)
#define GetWriteFile(fptr) (((fptr)->f2) ? (fptr)->f2 : (fptr)->f)
FILE *rb_fopen _((const char*, const char*));
FILE *rb_fdopen _((int, const char*));
int rb_getc _((FILE*));
long rb_io_fread _((char *, long, FILE *));
long rb_io_fwrite _((const char *, long, FILE *));
int rb_io_mode_flags _((const char*));
int rb_io_modenum_flags _((int));
void rb_io_check_writable _((rb_io_t*));
void rb_io_check_readable _((rb_io_t*));
void rb_io_fptr_finalize _((rb_io_t*));
void rb_io_synchronized _((rb_io_t*));
void rb_io_check_initialized _((rb_io_t*));
void rb_io_check_closed _((rb_io_t*));
int rb_io_wait_readable _((int));
int rb_io_wait_writable _((int));
void rb_io_set_nonblock(rb_io_t *fptr);
VALUE rb_io_taint_check _((VALUE));
NORETURN(void rb_eof_error _((void)));
void rb_read_check _((FILE*));
int rb_read_pending _((FILE*));
#endif
