59 lines
1.3 KiB
C
59 lines
1.3 KiB
C
/************************************************
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io.h -
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$Author$
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$Revision$
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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) 1993-1996 Yukihiro Matsumoto
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************************************************/
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#ifndef IO_H
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#define IO_H
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#include "sig.h"
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#include <stdio.h>
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#include <errno.h>
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typedef struct OpenFile {
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FILE *f; /* stdio ptr for read/write */
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FILE *f2; /* additional ptr for rw pipes */
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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)(); /* finalize proc */
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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_BINMODE 4
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#define FMODE_SYNC 8
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#define GetOpenFile(obj,fp) ((fp) = RFILE(obj)->fptr)
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#define MakeOpenFile(obj, fp) do {\
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fp = RFILE(obj)->fptr = ALLOC(OpenFile);\
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fp->f = fp->f2 = 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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} while (0)
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#define GetWriteFile(fptr) (((fptr)->f2) ? (fptr)->f2 : (fptr)->f)
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FILE *rb_fopen _((char *, char *));
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FILE *rb_fdopen _((int, char *));
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void io_writable _((OpenFile *));
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void io_readable _((OpenFile *));
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void io_fptr_finalize _((OpenFile *));
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void io_unbuffered _((OpenFile *));
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#endif
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