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1.1 ! root 1: /* ! 2: Copyright (C) 1993 Free Software Foundation ! 3: ! 4: This file is part of the GNU IO Library. This library is free ! 5: software; you can redistribute it and/or modify it under the ! 6: terms of the GNU General Public License as published by the ! 7: Free Software Foundation; either version 2, or (at your option) ! 8: any later version. ! 9: ! 10: This library is distributed in the hope that it will be useful, ! 11: but WITHOUT ANY WARRANTY; without even the implied warranty of ! 12: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ! 13: GNU General Public License for more details. ! 14: ! 15: You should have received a copy of the GNU General Public License ! 16: along with GNU CC; see the file COPYING. If not, write to ! 17: the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. ! 18: ! 19: As a special exception, if you link this library with files ! 20: compiled with a GNU compiler to produce an executable, this does not cause ! 21: the resulting executable to be covered by the GNU General Public License. ! 22: This exception does not however invalidate any other reasons why ! 23: the executable file might be covered by the GNU General Public License. */ ! 24: ! 25: #pragma cplusplus ! 26: #ifdef __cplusplus ! 27: extern "C" { ! 28: #endif ! 29: #include <errno.h> ! 30: #ifdef __cplusplus ! 31: } ! 32: #endif ! 33: ! 34: #ifndef errno ! 35: extern int errno; ! 36: #endif ! 37: ! 38: #include "iolibio.h" ! 39: ! 40: #ifdef __cplusplus ! 41: extern "C" { ! 42: #endif ! 43: ! 44: typedef enum _IO_seekflags_ { ! 45: _IO_seek_set = 0, ! 46: _IO_seek_cur = 1, ! 47: _IO_seek_end = 2, ! 48: ! 49: /* These bits are ignored unless the _IO_FILE has independent ! 50: read and write positions. */ ! 51: _IO_seek_not_in = 4, /* Don't move read posistion. */ ! 52: _IO_seek_not_out = 8, /* Don't move write posistion. */ ! 53: _IO_seek_pos_ignored = 16 /* Result is ignored (except EOF) */ ! 54: } _IO_seekflags; ! 55: ! 56: typedef int (*_IO_overflow_t) _PARAMS((_IO_FILE*, int)); ! 57: typedef int (*_IO_underflow_t) _PARAMS((_IO_FILE*)); ! 58: typedef _IO_size_t (*_IO_xsputn_t) _PARAMS((_IO_FILE*,const void*,_IO_size_t)); ! 59: typedef _IO_size_t (*_IO_xsgetn_t) _PARAMS((_IO_FILE*, void*, _IO_size_t)); ! 60: typedef _IO_ssize_t (*_IO_read_t) _PARAMS((_IO_FILE*, void*, _IO_ssize_t)); ! 61: typedef _IO_ssize_t (*_IO_write_t) _PARAMS((_IO_FILE*,const void*,_IO_ssize_t)); ! 62: typedef int (*_IO_stat_t) _PARAMS((_IO_FILE*, void*)); ! 63: typedef _IO_fpos_t (*_IO_seek_t) _PARAMS((_IO_FILE*, _IO_off_t, int)); ! 64: typedef int (*_IO_doallocate_t) _PARAMS((_IO_FILE*)); ! 65: typedef int (*_IO_pbackfail_t) _PARAMS((_IO_FILE*, int)); ! 66: typedef int (*_IO_setbuf_t) _PARAMS((_IO_FILE*, char *, _IO_ssize_t)); ! 67: typedef int (*_IO_sync_t) _PARAMS((_IO_FILE*)); ! 68: typedef void (*_IO_finish_t) _PARAMS((_IO_FILE*)); /* finalize */ ! 69: typedef int (*_IO_close_t) _PARAMS((_IO_FILE*)); /* finalize */ ! 70: typedef _IO_fpos_t (*_IO_seekoff_t) _PARAMS((_IO_FILE*, _IO_off_t, _IO_seekflags)); ! 71: ! 72: /* The _IO_seek_cur and _IO_seek_end options are not allowed. */ ! 73: typedef _IO_fpos_t (*_IO_seekpos_t) _PARAMS((_IO_FILE*, _IO_fpos_t, _IO_seekflags)); ! 74: ! 75: struct _IO_jump_t { ! 76: _IO_overflow_t __overflow; ! 77: _IO_underflow_t __underflow; ! 78: _IO_xsputn_t __xsputn; ! 79: _IO_xsgetn_t __xsgetn; ! 80: _IO_read_t __read; ! 81: _IO_write_t __write; ! 82: _IO_doallocate_t __doallocate; ! 83: _IO_pbackfail_t __pbackfail; ! 84: _IO_setbuf_t __setbuf; ! 85: _IO_sync_t __sync; ! 86: _IO_finish_t __finish; ! 87: _IO_close_t __close; ! 88: _IO_stat_t __stat; ! 89: _IO_seek_t __seek; ! 90: _IO_seekoff_t __seekoff; ! 91: _IO_seekpos_t __seekpos; ! 92: #if 0 ! 93: get_column; ! 94: set_column; ! 95: #endif ! 96: }; ! 97: ! 98: /* Generic functions */ ! 99: ! 100: extern _IO_fpos_t _IO_seekoff _PARAMS((_IO_FILE*, _IO_off_t, _IO_seekflags)); ! 101: extern _IO_fpos_t _IO_seekpos _PARAMS((_IO_FILE*, _IO_fpos_t, _IO_seekflags)); ! 102: ! 103: extern int _IO_switch_to_get_mode _PARAMS((_IO_FILE*)); ! 104: extern void _IO_init _PARAMS((_IO_FILE*, int)); ! 105: extern int _IO_sputbackc _PARAMS((_IO_FILE*, int)); ! 106: extern int _IO_sungetc _PARAMS((_IO_FILE*)); ! 107: extern void _IO_un_link _PARAMS((_IO_FILE*)); ! 108: extern void _IO_link_in _PARAMS((_IO_FILE *)); ! 109: extern void _IO_doallocbuf _PARAMS((_IO_FILE*)); ! 110: extern void _IO_unsave_markers _PARAMS((_IO_FILE*)); ! 111: extern void _IO_setb _PARAMS((_IO_FILE*, char*, char*, int)); ! 112: extern unsigned _IO_adjust_column _PARAMS((unsigned, const char *, int)); ! 113: #define _IO_sputn(__fp, __s, __n) (__fp->_jumps->__xsputn(__fp, __s, __n)) ! 114: ! 115: /* Marker-related function. */ ! 116: ! 117: extern void _IO_init_marker _PARAMS((struct _IO_marker *, _IO_FILE *)); ! 118: extern void _IO_remove_marker _PARAMS((struct _IO_marker*)); ! 119: extern int _IO_marker_difference _PARAMS((struct _IO_marker *, struct _IO_marker *)); ! 120: extern int _IO_marker_delta _PARAMS((struct _IO_marker *)); ! 121: extern int _IO_seekmark _PARAMS((_IO_FILE *, struct _IO_marker *, int)); ! 122: ! 123: /* Default jumptable functions. */ ! 124: ! 125: extern int _IO_default_underflow _PARAMS((_IO_FILE*)); ! 126: extern int _IO_default_doallocate _PARAMS((_IO_FILE*)); ! 127: extern void _IO_default_finish _PARAMS((_IO_FILE *)); ! 128: extern int _IO_default_pbackfail _PARAMS((_IO_FILE*, int)); ! 129: extern int _IO_default_setbuf _PARAMS((_IO_FILE *, char*, _IO_ssize_t)); ! 130: extern _IO_size_t _IO_default_xsputn _PARAMS((_IO_FILE *, const void*, _IO_size_t)); ! 131: extern _IO_size_t _IO_default_xsgetn _PARAMS((_IO_FILE *, void*, _IO_size_t)); ! 132: extern _IO_fpos_t _IO_default_seekoff _PARAMS((_IO_FILE*, _IO_off_t, _IO_seekflags)); ! 133: extern _IO_fpos_t _IO_default_seekpos _PARAMS((_IO_FILE*, _IO_fpos_t, _IO_seekflags)); ! 134: extern _IO_ssize_t _IO_default_write _PARAMS((_IO_FILE*,const void*,_IO_ssize_t)); ! 135: extern _IO_ssize_t _IO_default_read _PARAMS((_IO_FILE*, void*, _IO_ssize_t)); ! 136: extern int _IO_default_stat _PARAMS((_IO_FILE*, void*)); ! 137: extern _IO_fpos_t _IO_default_seek _PARAMS((_IO_FILE*, _IO_off_t, int)); ! 138: extern int _IO_default_sync _PARAMS((_IO_FILE*)); ! 139: #define _IO_default_close ((_IO_close_t)_IO_default_sync) ! 140: ! 141: extern struct _IO_jump_t _IO_file_jumps; ! 142: extern struct _IO_jump_t _IO_proc_jumps; ! 143: extern struct _IO_jump_t _IO_str_jumps; ! 144: extern int _IO_do_write _PARAMS((_IO_FILE*, const char*, _IO_size_t)); ! 145: extern int _IO_flush_all _PARAMS(()); ! 146: extern void _IO_flush_all_linebuffered _PARAMS(()); ! 147: ! 148: #define _IO_do_flush(_f) \ ! 149: _IO_do_write(_f, _f->_IO_write_base, _f->_IO_write_ptr-_f->_IO_write_base) ! 150: #define _IO_in_put_mode(_fp) ((_fp)->_flags & _IO_CURRENTLY_PUTTING) ! 151: #define _IO_mask_flags(fp, f, mask) \ ! 152: ((fp)->_flags = ((fp)->_flags & ~(mask)) | ((f) & (mask))) ! 153: #define _IO_setg(fp, eb, g, eg) ((fp)->_IO_read_base = (eb),\ ! 154: (fp)->_IO_read_ptr = (g), (fp)->_IO_read_end = (eg)) ! 155: #define _IO_setp(__fp, __p, __ep) \ ! 156: ((__fp)->_IO_write_base = (__fp)->_IO_write_ptr = __p, (__fp)->_IO_write_end = (__ep)) ! 157: #define _IO_have_backup(fp) ((fp)->_other_gbase != NULL) ! 158: #define _IO_in_backup(fp) ((fp)->_flags & _IO_IN_BACKUP) ! 159: #define _IO_have_markers(fp) ((fp)->_markers != NULL) ! 160: #define _IO_blen(p) ((fp)->_IO_buf_end - (fp)->_IO_buf_base) ! 161: ! 162: /* Jumptable functions for files. */ ! 163: ! 164: extern int _IO_file_doallocate _PARAMS((_IO_FILE*)); ! 165: extern int _IO_file_setbuf _PARAMS((_IO_FILE *, char*, _IO_ssize_t)); ! 166: extern _IO_fpos_t _IO_file_seekoff _PARAMS((_IO_FILE*, _IO_off_t, _IO_seekflags)); ! 167: extern _IO_size_t _IO_file_xsputn _PARAMS((_IO_FILE*,const void*,_IO_size_t)); ! 168: extern int _IO_file_stat _PARAMS((_IO_FILE*, void*)); ! 169: extern int _IO_file_close _PARAMS((_IO_FILE*)); ! 170: extern int _IO_file_underflow _PARAMS((_IO_FILE *)); ! 171: extern int _IO_file_overflow _PARAMS((_IO_FILE *, int)); ! 172: #define _IO_file_is_open(__fp) ((__fp)->_fileno >= 0) ! 173: extern void _IO_file_init _PARAMS((_IO_FILE*)); ! 174: extern _IO_FILE* _IO_file_attach _PARAMS((_IO_FILE*, int)); ! 175: extern _IO_FILE* _IO_file_fopen _PARAMS((_IO_FILE*, const char*, const char*)); ! 176: extern _IO_ssize_t _IO_file_write _PARAMS((_IO_FILE*,const void*,_IO_ssize_t)); ! 177: extern _IO_ssize_t _IO_file_read _PARAMS((_IO_FILE*, void*, _IO_ssize_t)); ! 178: extern int _IO_file_sync _PARAMS((_IO_FILE*)); ! 179: extern int _IO_file_close_it _PARAMS((_IO_FILE*)); ! 180: extern _IO_fpos_t _IO_file_seek _PARAMS((_IO_FILE *, _IO_off_t, int)); ! 181: extern void _IO_file_finish _PARAMS((_IO_FILE*)); ! 182: ! 183: /* Other file functions. */ ! 184: extern _IO_FILE* _IO_file_attach _PARAMS((_IO_FILE *, int)); ! 185: ! 186: /* Jumptable functions for proc_files. */ ! 187: extern _IO_FILE* _IO_proc_open _PARAMS((_IO_FILE*, const char*, const char *)); ! 188: extern int _IO_proc_close _PARAMS((_IO_FILE*)); ! 189: ! 190: /* Jumptable functions for strfiles. */ ! 191: extern int _IO_str_underflow _PARAMS((_IO_FILE*)); ! 192: extern int _IO_str_overflow _PARAMS((_IO_FILE *, int)); ! 193: extern int _IO_str_pbackfail _PARAMS((_IO_FILE*, int)); ! 194: extern _IO_fpos_t _IO_str_seekoff _PARAMS((_IO_FILE*,_IO_off_t,_IO_seekflags)); ! 195: ! 196: /* Other strfile functions */ ! 197: extern void _IO_str_init_static _PARAMS((_IO_FILE *, char*, int, char*)); ! 198: extern void _IO_str_init_readonly _PARAMS((_IO_FILE *, const char*, int)); ! 199: extern _IO_ssize_t _IO_str_count _PARAMS ((_IO_FILE*)); ! 200: ! 201: extern _IO_size_t _IO_getline _PARAMS((_IO_FILE*,char*,_IO_size_t,int,int)); ! 202: extern double _IO_strtod _PARAMS((const char *, char **)); ! 203: extern char * _IO_dtoa _PARAMS((double __d, int __mode, int __ndigits, ! 204: int *__decpt, int *__sign, char **__rve)); ! 205: extern int _IO_outfloat _PARAMS((double __value, _IO_FILE *__sb, int __type, ! 206: int __width, int __precision, int __flags, ! 207: int __sign_mode, int __fill)); ! 208: ! 209: extern _IO_FILE *_IO_list_all; ! 210: extern void (*_IO_cleanup_registration_needed)(); ! 211: ! 212: #ifndef EOF ! 213: #define EOF (-1) ! 214: #endif ! 215: #ifndef NULL ! 216: #if !defined(__cplusplus) || defined(__GNUC__) ! 217: #define NULL ((void*)0) ! 218: #else ! 219: #define NULL (0) ! 220: #endif ! 221: #endif ! 222: ! 223: #define FREE_BUF(_B) free(_B) ! 224: #define ALLOC_BUF(_S) (char*)malloc(_S) ! 225: ! 226: #ifndef OS_FSTAT ! 227: #define OS_FSTAT fstat ! 228: #endif ! 229: struct stat; ! 230: extern _IO_ssize_t _IO_read _PARAMS((int, void*, _IO_size_t)); ! 231: extern _IO_ssize_t _IO_write _PARAMS((int, const void*, _IO_size_t)); ! 232: extern _IO_off_t _IO_lseek _PARAMS((int, _IO_off_t, int)); ! 233: extern int _IO_close _PARAMS((int)); ! 234: extern int _IO_fstat _PARAMS((int, struct stat *)); ! 235: ! 236: /* Operations on _IO_fpos_t. ! 237: Normally, these are trivial, but we provide hooks for configurations ! 238: where an _IO_fpos_t is a struct. ! 239: Note that _IO_off_t must be an integral type. */ ! 240: ! 241: /* _IO_pos_BAD is an _IO_fpos_t value indicating error, unknown, or EOF. */ ! 242: #ifndef _IO_pos_BAD ! 243: #define _IO_pos_BAD ((_IO_fpos_t)(-1)) ! 244: #endif ! 245: /* _IO_pos_as_off converts an _IO_fpos_t value to an _IO_off_t value. */ ! 246: #ifndef _IO_pos_as_off ! 247: #define _IO_pos_as_off(__pos) ((_IO_off_t)(__pos)) ! 248: #endif ! 249: /* _IO_pos_adjust adjust an _IO_fpos_t by some number of bytes. */ ! 250: #ifndef _IO_pos_adjust ! 251: #define _IO_pos_adjust(__pos, __delta) ((__pos) += (__delta)) ! 252: #endif ! 253: /* _IO_pos_0 is an _IO_fpos_t value indicating beginning of file. */ ! 254: #ifndef _IO_pos_0 ! 255: #define _IO_pos_0 ((_IO_fpos_t)0) ! 256: #endif ! 257: ! 258: #ifdef __cplusplus ! 259: } ! 260: #endif ! 261: ! 262: #if defined(__STDC__) || defined(__cplusplus) ! 263: #define _IO_va_start(args, last) va_start(args, last) ! 264: #else ! 265: #define _IO_va_start(args, last) va_start(args) ! 266: #endif ! 267: ! 268: #if 1 ! 269: #define COERCE_FILE(FILE) /* Nothing */ ! 270: #else ! 271: /* This is part of the kludge for binary compatibility with old stdio. */ ! 272: #define COERCE_FILE(FILE) \ ! 273: (((FILE)->_IO_file_flags & _IO_MAGIC_MASK) == _OLD_MAGIC_MASK \ ! 274: && (FILE) = *(FILE**)&((int*)fp)[1]) ! 275: #endif
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