| 1 | /**********************************************************************
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| 2 |
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| 3 | rubyio.h -
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| 4 |
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| 5 | $Author: shyouhei $
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| 6 | $Date: 2007-02-13 08:01:19 +0900 (Tue, 13 Feb 2007) $
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| 7 | created at: Fri Nov 12 16:47:09 JST 1993
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| 8 |
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| 9 | Copyright (C) 1993-2003 Yukihiro Matsumoto
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| 10 |
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| 11 | **********************************************************************/
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| 12 |
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| 13 | #ifndef RUBYIO_H
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| 14 | #define RUBYIO_H
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| 15 |
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| 16 | #include <stdio.h>
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| 17 | #include <errno.h>
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| 18 |
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| 19 | #if defined(HAVE_STDIO_EXT_H)
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| 20 | #include <stdio_ext.h>
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| 21 | #endif
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| 22 |
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| 23 | typedef struct OpenFile {
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| 24 | FILE *f; /* stdio ptr for read/write */
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| 25 | FILE *f2; /* additional ptr for rw pipes */
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| 26 | int mode; /* mode flags */
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| 27 | int pid; /* child's pid (for pipes) */
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| 28 | int lineno; /* number of lines read */
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| 29 | char *path; /* pathname for file */
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| 30 | void (*finalize) _((struct OpenFile*,int)); /* finalize proc */
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| 31 | } OpenFile;
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| 32 |
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| 33 | #define FMODE_READABLE 1
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| 34 | #define FMODE_WRITABLE 2
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| 35 | #define FMODE_READWRITE 3
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| 36 | #define FMODE_APPEND 64
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| 37 | #define FMODE_CREATE 128
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| 38 | #define FMODE_BINMODE 4
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| 39 | #define FMODE_SYNC 8
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| 40 | #define FMODE_WBUF 16
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| 41 | #define FMODE_RBUF 32
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| 42 | #define FMODE_WSPLIT 0x200
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| 43 | #define FMODE_WSPLIT_INITIALIZED 0x400
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| 44 |
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| 45 | #define GetOpenFile(obj,fp) rb_io_check_closed((fp) = RFILE(rb_io_taint_check(obj))->fptr)
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| 46 |
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| 47 | #define MakeOpenFile(obj, fp) do {\
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| 48 | if (RFILE(obj)->fptr) {\
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| 49 | rb_io_close(obj);\
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| 50 | free(RFILE(obj)->fptr);\
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| 51 | RFILE(obj)->fptr = 0;\
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| 52 | }\
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| 53 | fp = 0;\
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| 54 | fp = RFILE(obj)->fptr = ALLOC(OpenFile);\
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| 55 | fp->f = fp->f2 = NULL;\
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| 56 | fp->mode = 0;\
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| 57 | fp->pid = 0;\
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| 58 | fp->lineno = 0;\
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| 59 | fp->path = NULL;\
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| 60 | fp->finalize = 0;\
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| 61 | } while (0)
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| 62 |
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| 63 | #define GetReadFile(fptr) ((fptr)->f)
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| 64 | #define GetWriteFile(fptr) (((fptr)->f2) ? (fptr)->f2 : (fptr)->f)
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| 65 |
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| 66 | FILE *rb_fopen _((const char*, const char*));
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| 67 | FILE *rb_fdopen _((int, const char*));
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| 68 | int rb_getc _((FILE*));
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| 69 | long rb_io_fread _((char *, long, FILE *));
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| 70 | long rb_io_fwrite _((const char *, long, FILE *));
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| 71 | int rb_io_mode_flags _((const char*));
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| 72 | int rb_io_modenum_flags _((int));
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| 73 | void rb_io_check_writable _((OpenFile*));
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| 74 | void rb_io_check_readable _((OpenFile*));
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| 75 | void rb_io_fptr_finalize _((OpenFile*));
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| 76 | void rb_io_synchronized _((OpenFile*));
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| 77 | void rb_io_check_initialized _((OpenFile*));
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| 78 | void rb_io_check_closed _((OpenFile*));
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| 79 | int rb_io_wait_readable _((int));
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| 80 | int rb_io_wait_writable _((int));
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| 81 | void rb_io_set_nonblock(OpenFile *fptr);
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| 82 |
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| 83 | VALUE rb_io_taint_check _((VALUE));
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| 84 | NORETURN(void rb_eof_error _((void)));
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| 85 |
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| 86 | void rb_read_check _((FILE*));
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| 87 | int rb_read_pending _((FILE*));
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| 88 | #endif
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