1 /* DO NOT EDIT THIS FILE. 2 3 It has been auto-edited by fixincludes from: 4 5 "/Volumes/android/toolchain-build-linux-4.7/prefix/sysroot/usr/include/stdio.h" 6 7 This had to be done to correct non-standard usages in the 8 original, manufacturer supplied header file. */ 9 10 /* $OpenBSD: stdio.h,v 1.35 2006/01/13 18:10:09 miod Exp $ */ 11 /* $NetBSD: stdio.h,v 1.18 1996/04/25 18:29:21 jtc Exp $ */ 12 13 /*- 14 * Copyright (c) 1990 The Regents of the University of California. 15 * All rights reserved. 16 * 17 * This code is derived from software contributed to Berkeley by 18 * Chris Torek. 19 * 20 * Redistribution and use in source and binary forms, with or without 21 * modification, are permitted provided that the following conditions 22 * are met: 23 * 1. Redistributions of source code must retain the above copyright 24 * notice, this list of conditions and the following disclaimer. 25 * 2. Redistributions in binary form must reproduce the above copyright 26 * notice, this list of conditions and the following disclaimer in the 27 * documentation and/or other materials provided with the distribution. 28 * 3. Neither the name of the University nor the names of its contributors 29 * may be used to endorse or promote products derived from this software 30 * without specific prior written permission. 31 * 32 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 33 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 34 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 35 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 36 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 37 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 38 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 39 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 40 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 41 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 42 * SUCH DAMAGE. 43 * 44 * @(#)stdio.h 5.17 (Berkeley) 6/3/91 45 */ 46 47 #ifndef _STDIO_H_ 48 #define _STDIO_H_ 49 50 #include <sys/cdefs.h> 51 #include <sys/types.h> 52 53 /* __gnuc_va_list and size_t must be defined by stdio.h according to Posix */ 54 #define __need___va_list 55 #include <stdarg.h> 56 57 /* note that this forces stddef.h to *only* define size_t */ 58 #define __need_size_t 59 #include <stddef.h> 60 61 #define __need_NULL 62 #include <stddef.h> 63 64 #define _FSTDIO /* Define for new stdio with functions. */ 65 66 typedef off_t fpos_t; /* stdio file position type */ 67 68 /* 69 * NB: to fit things in six character monocase externals, the stdio 70 * code uses the prefix `__s' for stdio objects, typically followed 71 * by a three-character attempt at a mnemonic. 72 */ 73 74 /* stdio buffers */ 75 struct __sbuf { 76 unsigned char *_base; 77 int _size; 78 }; 79 80 /* 81 * stdio state variables. 82 * 83 * The following always hold: 84 * 85 * if (_flags&(__SLBF|__SWR)) == (__SLBF|__SWR), 86 * _lbfsize is -_bf._size, else _lbfsize is 0 87 * if _flags&__SRD, _w is 0 88 * if _flags&__SWR, _r is 0 89 * 90 * This ensures that the getc and putc macros (or inline functions) never 91 * try to write or read from a file that is in `read' or `write' mode. 92 * (Moreover, they can, and do, automatically switch from read mode to 93 * write mode, and back, on "r+" and "w+" files.) 94 * 95 * _lbfsize is used only to make the inline line-buffered output stream 96 * code as compact as possible. 97 * 98 * _ub, _up, and _ur are used when ungetc() pushes back more characters 99 * than fit in the current _bf, or when ungetc() pushes back a character 100 * that does not match the previous one in _bf. When this happens, 101 * _ub._base becomes non-nil (i.e., a stream has ungetc() data iff 102 * _ub._base!=NULL) and _up and _ur save the current values of _p and _r. 103 * 104 * NOTE: if you change this structure, you also need to update the 105 * std() initializer in findfp.c. 106 */ 107 typedef struct __sFILE { 108 unsigned char *_p; /* current position in (some) buffer */ 109 int _r; /* read space left for getc() */ 110 int _w; /* write space left for putc() */ 111 short _flags; /* flags, below; this FILE is free if 0 */ 112 short _file; /* fileno, if Unix descriptor, else -1 */ 113 struct __sbuf _bf; /* the buffer (at least 1 byte, if !NULL) */ 114 int _lbfsize; /* 0 or -_bf._size, for inline putc */ 115 116 /* operations */ 117 void *_cookie; /* cookie passed to io functions */ 118 int (*_close)(void *); 119 int (*_read)(void *, char *, int); 120 fpos_t (*_seek)(void *, fpos_t, int); 121 int (*_write)(void *, const char *, int); 122 123 /* extension data, to avoid further ABI breakage */ 124 struct __sbuf _ext; 125 /* data for long sequences of ungetc() */ 126 unsigned char *_up; /* saved _p when _p is doing ungetc data */ 127 int _ur; /* saved _r when _r is counting ungetc data */ 128 129 /* tricks to meet minimum requirements even when malloc() fails */ 130 unsigned char _ubuf[3]; /* guarantee an ungetc() buffer */ 131 unsigned char _nbuf[1]; /* guarantee a getc() buffer */ 132 133 /* separate buffer for fgetln() when line crosses buffer boundary */ 134 struct __sbuf _lb; /* buffer for fgetln() */ 135 136 /* Unix stdio files get aligned to block boundaries on fseek() */ 137 int _blksize; /* stat.st_blksize (may be != _bf._size) */ 138 fpos_t _offset; /* current lseek offset */ 139 } FILE; 140 141 __BEGIN_DECLS 142 extern FILE __sF[]; 143 __END_DECLS 144 145 #define __SLBF 0x0001 /* line buffered */ 146 #define __SNBF 0x0002 /* unbuffered */ 147 #define __SRD 0x0004 /* OK to read */ 148 #define __SWR 0x0008 /* OK to write */ 149 /* RD and WR are never simultaneously asserted */ 150 #define __SRW 0x0010 /* open for reading & writing */ 151 #define __SEOF 0x0020 /* found EOF */ 152 #define __SERR 0x0040 /* found error */ 153 #define __SMBF 0x0080 /* _buf is from malloc */ 154 #define __SAPP 0x0100 /* fdopen()ed in append mode */ 155 #define __SSTR 0x0200 /* this is an sprintf/snprintf string */ 156 #define __SOPT 0x0400 /* do fseek() optimisation */ 157 #define __SNPT 0x0800 /* do not do fseek() optimisation */ 158 #define __SOFF 0x1000 /* set iff _offset is in fact correct */ 159 #define __SMOD 0x2000 /* true => fgetln modified _p text */ 160 #define __SALC 0x4000 /* allocate string space dynamically */ 161 162 /* 163 * The following three definitions are for ANSI C, which took them 164 * from System V, which brilliantly took internal interface macros and 165 * made them official arguments to setvbuf(), without renaming them. 166 * Hence, these ugly _IOxxx names are *supposed* to appear in user code. 167 * 168 * Although numbered as their counterparts above, the implementation 169 * does not rely on this. 170 */ 171 #define _IOFBF 0 /* setvbuf should set fully buffered */ 172 #define _IOLBF 1 /* setvbuf should set line buffered */ 173 #define _IONBF 2 /* setvbuf should set unbuffered */ 174 175 #define BUFSIZ 1024 /* size of buffer used by setbuf */ 176 177 #define EOF (-1) 178 179 /* 180 * FOPEN_MAX is a minimum maximum, and should be the number of descriptors 181 * that the kernel can provide without allocation of a resource that can 182 * fail without the process sleeping. Do not use this for anything. 183 */ 184 #define FOPEN_MAX 20 /* must be <= OPEN_MAX <sys/syslimits.h> */ 185 #define FILENAME_MAX 1024 /* must be <= PATH_MAX <sys/syslimits.h> */ 186 187 /* System V/ANSI C; this is the wrong way to do this, do *not* use these. */ 188 #if __BSD_VISIBLE || __XPG_VISIBLE 189 #define P_tmpdir "/tmp/" 190 #endif 191 #define L_tmpnam 1024 /* XXX must be == PATH_MAX */ 192 #define TMP_MAX 308915776 193 194 #ifndef SEEK_SET 195 #define SEEK_SET 0 /* set file offset to offset */ 196 #endif 197 #ifndef SEEK_CUR 198 #define SEEK_CUR 1 /* set file offset to current plus offset */ 199 #endif 200 #ifndef SEEK_END 201 #define SEEK_END 2 /* set file offset to EOF plus offset */ 202 #endif 203 204 #define stdin (&__sF[0]) 205 #define stdout (&__sF[1]) 206 #define stderr (&__sF[2]) 207 208 /* 209 * Functions defined in ANSI C standard. 210 */ 211 __BEGIN_DECLS 212 void clearerr(FILE *); 213 int fclose(FILE *); 214 int feof(FILE *); 215 int ferror(FILE *); 216 int fflush(FILE *); 217 int fgetc(FILE *); 218 int fgetpos(FILE *, fpos_t *); 219 char *fgets(char *, int, FILE *); 220 FILE *fopen(const char *, const char *); 221 int fprintf(FILE *, const char *, ...); 222 int fputc(int, FILE *); 223 int fputs(const char *, FILE *); 224 size_t fread(void *, size_t, size_t, FILE *); 225 FILE *freopen(const char *, const char *, FILE *); 226 int fscanf(FILE *, const char *, ...); 227 int fseek(FILE *, long, int); 228 int fseeko(FILE *, off_t, int); 229 int fsetpos(FILE *, const fpos_t *); 230 long ftell(FILE *); 231 off_t ftello(FILE *); 232 size_t fwrite(const void *, size_t, size_t, FILE *); 233 int getc(FILE *); 234 int getchar(void); 235 char *gets(char *); 236 #if __BSD_VISIBLE && !defined(__SYS_ERRLIST) 237 #define __SYS_ERRLIST 238 239 extern int sys_nerr; /* perror(3) external variables */ 240 extern char *sys_errlist[]; 241 #endif 242 void perror(const char *); 243 int printf(const char *, ...); 244 int putc(int, FILE *); 245 int putchar(int); 246 int puts(const char *); 247 int remove(const char *); 248 int rename(const char *, const char *); 249 void rewind(FILE *); 250 int scanf(const char *, ...); 251 void setbuf(FILE *, char *); 252 int setvbuf(FILE *, char *, int, size_t); 253 int sprintf(char *, const char *, ...); 254 int sscanf(const char *, const char *, ...); 255 FILE *tmpfile(void); 256 char *tmpnam(char *); 257 int ungetc(int, FILE *); 258 int vfprintf(FILE *, const char *, __gnuc_va_list); 259 int vprintf(const char *, __gnuc_va_list); 260 int vsprintf(char *, const char *, __gnuc_va_list); 261 262 #if __ISO_C_VISIBLE >= 1999 || __BSD_VISIBLE 263 int snprintf(char *, size_t, const char *, ...) 264 __attribute__((__format__ (printf, 3, 4))) 265 __attribute__((__nonnull__ (3))); 266 int vfscanf(FILE *, const char *, __gnuc_va_list) 267 __attribute__((__format__ (scanf, 2, 0))) 268 __attribute__((__nonnull__ (2))); 269 int vscanf(const char *, __gnuc_va_list) 270 __attribute__((__format__ (scanf, 1, 0))) 271 __attribute__((__nonnull__ (1))); 272 int vsnprintf(char *, size_t, const char *, __gnuc_va_list) 273 __attribute__((__format__ (printf, 3, 0))) 274 __attribute__((__nonnull__ (3))); 275 int vsscanf(const char *, const char *, __gnuc_va_list) 276 __attribute__((__format__ (scanf, 2, 0))) 277 __attribute__((__nonnull__ (2))); 278 #endif /* __ISO_C_VISIBLE >= 1999 || __BSD_VISIBLE */ 279 280 __END_DECLS 281 282 283 /* 284 * Functions defined in POSIX 1003.1. 285 */ 286 #if __BSD_VISIBLE || __POSIX_VISIBLE || __XPG_VISIBLE 287 #define L_ctermid 1024 /* size for ctermid(); PATH_MAX */ 288 #define L_cuserid 9 /* size for cuserid(); UT_NAMESIZE + 1 */ 289 290 __BEGIN_DECLS 291 #if 0 /* MISSING FROM BIONIC */ 292 char *ctermid(char *); 293 char *cuserid(char *); 294 #endif /* MISSING */ 295 FILE *fdopen(int, const char *); 296 int fileno(FILE *); 297 298 #if (__POSIX_VISIBLE >= 199209) 299 int pclose(FILE *); 300 FILE *popen(const char *, const char *); 301 #endif 302 303 #if __POSIX_VISIBLE >= 199506 304 void flockfile(FILE *); 305 int ftrylockfile(FILE *); 306 void funlockfile(FILE *); 307 308 /* 309 * These are normally used through macros as defined below, but POSIX 310 * requires functions as well. 311 */ 312 int getc_unlocked(FILE *); 313 int getchar_unlocked(void); 314 int putc_unlocked(int, FILE *); 315 int putchar_unlocked(int); 316 #endif /* __POSIX_VISIBLE >= 199506 */ 317 318 #if __XPG_VISIBLE 319 char *tempnam(const char *, const char *); 320 #endif 321 __END_DECLS 322 323 #endif /* __BSD_VISIBLE || __POSIX_VISIBLE || __XPG_VISIBLE */ 324 325 /* 326 * Routines that are purely local. 327 */ 328 #if __BSD_VISIBLE 329 __BEGIN_DECLS 330 int asprintf(char **, const char *, ...) 331 __attribute__((__format__ (printf, 2, 3))) 332 __attribute__((__nonnull__ (2))); 333 char *fgetln(FILE *, size_t *); 334 int fpurge(FILE *); 335 int getw(FILE *); 336 int putw(int, FILE *); 337 void setbuffer(FILE *, char *, int); 338 int setlinebuf(FILE *); 339 int vasprintf(char **, const char *, __gnuc_va_list) 340 __attribute__((__format__ (printf, 2, 0))) 341 __attribute__((__nonnull__ (2))); 342 __END_DECLS 343 344 /* 345 * Stdio function-access interface. 346 */ 347 __BEGIN_DECLS 348 FILE *funopen(const void *, 349 int (*)(void *, char *, int), 350 int (*)(void *, const char *, int), 351 fpos_t (*)(void *, fpos_t, int), 352 int (*)(void *)); 353 __END_DECLS 354 #define fropen(cookie, fn) funopen(cookie, fn, 0, 0, 0) 355 #define fwopen(cookie, fn) funopen(cookie, 0, fn, 0, 0) 356 #endif /* __BSD_VISIBLE */ 357 358 /* 359 * Functions internal to the implementation. 360 */ 361 __BEGIN_DECLS 362 int __srget(FILE *); 363 int __swbuf(int, FILE *); 364 __END_DECLS 365 366 /* 367 * The __sfoo macros are here so that we can 368 * define function versions in the C library. 369 */ 370 #define __sgetc(p) (--(p)->_r < 0 ? __srget(p) : (int)(*(p)->_p++)) 371 #if defined(__GNUC__) 372 static __inline int __sputc(int _c, FILE *_p) { 373 if (--_p->_w >= 0 || (_p->_w >= _p->_lbfsize && (char)_c != '\n')) 374 return (*_p->_p++ = _c); 375 else 376 return (__swbuf(_c, _p)); 377 } 378 #else 379 /* 380 * This has been tuned to generate reasonable code on the vax using pcc. 381 */ 382 #define __sputc(c, p) \ 383 (--(p)->_w < 0 ? \ 384 (p)->_w >= (p)->_lbfsize ? \ 385 (*(p)->_p = (c)), *(p)->_p != '\n' ? \ 386 (int)*(p)->_p++ : \ 387 __swbuf('\n', p) : \ 388 __swbuf((int)(c), p) : \ 389 (*(p)->_p = (c), (int)*(p)->_p++)) 390 #endif 391 392 #define __sfeof(p) (((p)->_flags & __SEOF) != 0) 393 #define __sferror(p) (((p)->_flags & __SERR) != 0) 394 #define __sclearerr(p) ((void)((p)->_flags &= ~(__SERR|__SEOF))) 395 #define __sfileno(p) ((p)->_file) 396 397 #define feof(p) __sfeof(p) 398 #define ferror(p) __sferror(p) 399 400 #ifndef _POSIX_THREADS 401 #define clearerr(p) __sclearerr(p) 402 #endif 403 404 #if __POSIX_VISIBLE 405 #define fileno(p) __sfileno(p) 406 #endif 407 408 #ifndef lint 409 #ifndef _POSIX_THREADS 410 #define getc(fp) __sgetc(fp) 411 #endif /* _POSIX_THREADS */ 412 #define getc_unlocked(fp) __sgetc(fp) 413 /* 414 * The macro implementations of putc and putc_unlocked are not 415 * fully POSIX compliant; they do not set errno on failure 416 */ 417 #if __BSD_VISIBLE 418 #ifndef _POSIX_THREADS 419 #define putc(x, fp) __sputc(x, fp) 420 #endif /* _POSIX_THREADS */ 421 #define putc_unlocked(x, fp) __sputc(x, fp) 422 #endif /* __BSD_VISIBLE */ 423 #endif /* lint */ 424 425 #define getchar() getc(stdin) 426 #define putchar(x) putc(x, stdout) 427 #define getchar_unlocked() getc_unlocked(stdin) 428 #define putchar_unlocked(c) putc_unlocked(c, stdout) 429 430 #ifdef _GNU_SOURCE 431 /* 432 * glibc defines dprintf(int, const char*, ...), which is poorly named 433 * and likely to conflict with locally defined debugging printfs 434 * fdprintf is a better name, and some programs that use fdprintf use a 435 * #define fdprintf dprintf for compatibility 436 */ 437 int fdprintf(int, const char*, ...); 438 int vfdprintf(int, const char*, __gnuc_va_list); 439 #endif /* _GNU_SOURCE */ 440 441 #endif /* _STDIO_H_ */ 442
