lib/gl/stdio.in.h

   1 /* A GNU-like <stdio.h>.
   2
   3    Copyright (C) 2004, 2007-2009 Free Software Foundation, Inc.
   4
   5    This program is free software; you can redistribute it and/or modify
   6    it under the terms of the GNU Lesser General Public License as published by
   7    the Free Software Foundation; either version 2.1, or (at your option)
   8    any later version.
   9
  10    This program 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 Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public License
  16    along with this program; if not, write to the Free Software Foundation,
  17    Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
  18
  19 #if __GNUC__ >= 3
  20 @PRAGMA_SYSTEM_HEADER@
  21 #endif
  22
  23 #if defined __need_FILE || defined __need___FILE
  24 /* Special invocation convention inside glibc header files.  */
  25
  26 #@INCLUDE_NEXT@ @NEXT_STDIO_H@
  27
  28 #else
  29 /* Normal invocation convention.  */
  30
  31 #ifndef _GL_STDIO_H
  32
  33 /* The include_next requires a split double-inclusion guard.  */
  34 #@INCLUDE_NEXT@ @NEXT_STDIO_H@
  35
  36 #ifndef _GL_STDIO_H
  37 #define _GL_STDIO_H
  38
  39 #include <stdarg.h>
  40 #include <stddef.h>
  41
  42 #if (@GNULIB_FSEEKO@ && @REPLACE_FSEEKO@) \
  43   || (@GNULIB_FTELLO@ && @REPLACE_FTELLO@) \
  44   || (@GNULIB_GETDELIM@ && !@HAVE_DECL_GETDELIM@) \
  45   || (@GNULIB_GETLINE@ && (!@HAVE_DECL_GETLINE@ || @REPLACE_GETLINE@))
  46 /* Get off_t and ssize_t.  */
  47 # include <sys/types.h>
  48 #endif
  49
  50 #ifndef __attribute__
  51 /* This feature is available in gcc versions 2.5 and later.  */
  52 # if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 5)
  53 #  define __attribute__(Spec) /* empty */
  54 # endif
  55 /* The __-protected variants of `format' and `printf' attributes
  56    are accepted by gcc versions 2.6.4 (effectively 2.7) and later.  */
  57 # if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7)
  58 #  define __format__ format
  59 #  define __printf__ printf
  60 # endif
  61 #endif
  62
  63
  64 /* The definition of GL_LINK_WARNING is copied here.  */
  65
  66
  67 #ifdef __cplusplus
  68 extern "C" {
  69 #endif
  70
  71 #if @GNULIB_DPRINTF@
  72 # if @REPLACE_DPRINTF@
  73 #  define dprintf rpl_dprintf
  74 # endif
  75 # if @REPLACE_DPRINTF@ || !@HAVE_DPRINTF@
  76 extern int dprintf (int fd, const char *format, ...)
  77        __attribute__ ((__format__ (__printf__, 2, 3)));
  78 # endif
  79 #elif defined GNULIB_POSIXCHECK
  80 # undef dprintf
  81 # define dprintf(d,f,a) \
  82     (GL_LINK_WARNING ("dprintf is unportable - " \
  83                       "use gnulib module dprintf for portability"), \
  84      dprintf (d, f, a))
  85 #endif
  86
  87 #if @GNULIB_FCLOSE@
  88 # if @REPLACE_FCLOSE@
  89 #  define fclose rpl_fclose
  90   /* Close STREAM and its underlying file descriptor.  */
  91 extern int fclose (FILE *stream);
  92 # endif
  93 #elif defined GNULIB_POSIXCHECK
  94 # undef fclose
  95 # define fclose(f) \
  96    (GL_LINK_WARNING ("fclose is not always POSIX compliant - " \
  97                      "use gnulib module fclose for portable " \
  98                      "POSIX compliance"), \
  99     fclose (f))
 100 #endif
 101
 102 #if @GNULIB_FFLUSH@
 103 # if @REPLACE_FFLUSH@
 104 #  define fflush rpl_fflush
 105   /* Flush all pending data on STREAM according to POSIX rules.  Both
 106      output and seekable input streams are supported.
 107      Note! LOSS OF DATA can occur if fflush is applied on an input stream
 108      that is _not_seekable_ or on an update stream that is _not_seekable_
 109      and in which the most recent operation was input.  Seekability can
 110      be tested with lseek(fileno(fp),0,SEEK_CUR).  */
 111   extern int fflush (FILE *gl_stream);
 112 # endif
 113 #elif defined GNULIB_POSIXCHECK
 114 # undef fflush
 115 # define fflush(f) \
 116    (GL_LINK_WARNING ("fflush is not always POSIX compliant - " \
 117                      "use gnulib module fflush for portable " \
 118                      "POSIX compliance"), \
 119     fflush (f))
 120 #endif
 121
 122 #if @GNULIB_FOPEN@
 123 # if @REPLACE_FOPEN@
 124 #  undef fopen
 125 #  define fopen rpl_fopen
 126 extern FILE * fopen (const char *filename, const char *mode);
 127 # endif
 128 #elif defined GNULIB_POSIXCHECK
 129 # undef fopen
 130 # define fopen(f,m) \
 131    (GL_LINK_WARNING ("fopen on Win32 platforms is not POSIX compatible - " \
 132                      "use gnulib module fopen for portability"), \
 133     fopen (f, m))
 134 #endif
 135
 136 #if @GNULIB_FPRINTF_POSIX@
 137 # if @REPLACE_FPRINTF@
 138 #  define fprintf rpl_fprintf
 139 extern int fprintf (FILE *fp, const char *format, ...)
 140        __attribute__ ((__format__ (__printf__, 2, 3)));
 141 # endif
 142 #elif @GNULIB_FPRINTF@ && @REPLACE_STDIO_WRITE_FUNCS@ && @GNULIB_STDIO_H_SIGPIPE@
 143 # define fprintf rpl_fprintf
 144 extern int fprintf (FILE *fp, const char *format, ...)
 145        __attribute__ ((__format__ (__printf__, 2, 3)));
 146 #elif defined GNULIB_POSIXCHECK
 147 # undef fprintf
 148 # define fprintf \
 149     (GL_LINK_WARNING ("fprintf is not always POSIX compliant - " \
 150                       "use gnulib module fprintf-posix for portable " \
 151                       "POSIX compliance"), \
 152      fprintf)
 153 #endif
 154
 155 #if @GNULIB_FPURGE@
 156 # if @REPLACE_FPURGE@
 157 #  define fpurge rpl_fpurge
 158 # endif
 159 # if @REPLACE_FPURGE@ || !@HAVE_DECL_FPURGE@
 160   /* Discard all pending buffered I/O data on STREAM.
 161      STREAM must not be wide-character oriented.
 162      When discarding pending output, the file position is set back to where it
 163      was before the write calls.  When discarding pending input, the file
 164      position is advanced to match the end of the previously read input.
 165      Return 0 if successful.  Upon error, return -1 and set errno.  */
 166   extern int fpurge (FILE *gl_stream);
 167 # endif
 168 #elif defined GNULIB_POSIXCHECK
 169 # undef fpurge
 170 # define fpurge(f) \
 171    (GL_LINK_WARNING ("fpurge is not always present - " \
 172                      "use gnulib module fpurge for portability"), \
 173     fpurge (f))
 174 #endif
 175
 176 #if @GNULIB_FPUTC@ && @REPLACE_STDIO_WRITE_FUNCS@ && @GNULIB_STDIO_H_SIGPIPE@
 177 # undef fputc
 178 # define fputc rpl_fputc
 179 extern int fputc (int c, FILE *stream);
 180 #endif
 181
 182 #if @GNULIB_FPUTS@ && @REPLACE_STDIO_WRITE_FUNCS@ && @GNULIB_STDIO_H_SIGPIPE@
 183 # undef fputs
 184 # define fputs rpl_fputs
 185 extern int fputs (const char *string, FILE *stream);
 186 #endif
 187
 188 #if @GNULIB_FREOPEN@
 189 # if @REPLACE_FREOPEN@
 190 #  undef freopen
 191 #  define freopen rpl_freopen
 192 extern FILE * freopen (const char *filename, const char *mode, FILE *stream);
 193 # endif
 194 #elif defined GNULIB_POSIXCHECK
 195 # undef freopen
 196 # define freopen(f,m,s) \
 197    (GL_LINK_WARNING ("freopen on Win32 platforms is not POSIX compatible - " \
 198                      "use gnulib module freopen for portability"), \
 199     freopen (f, m, s))
 200 #endif
 201
 202 #if @GNULIB_FSEEK@ && @REPLACE_FSEEK@
 203 extern int rpl_fseek (FILE *fp, long offset, int whence);
 204 # undef fseek
 205 # if defined GNULIB_POSIXCHECK
 206 #  define fseek(f,o,w) \
 207      (GL_LINK_WARNING ("fseek cannot handle files larger than 4 GB " \
 208                        "on 32-bit platforms - " \
 209                        "use fseeko function for handling of large files"), \
 210       rpl_fseek (f, o, w))
 211 # else
 212 #  define fseek rpl_fseek
 213 # endif
 214 #elif defined GNULIB_POSIXCHECK
 215 # ifndef fseek
 216 #  define fseek(f,o,w) \
 217      (GL_LINK_WARNING ("fseek cannot handle files larger than 4 GB " \
 218                        "on 32-bit platforms - " \
 219                        "use fseeko function for handling of large files"), \
 220       fseek (f, o, w))
 221 # endif
 222 #endif
 223
 224 #if @GNULIB_FSEEKO@
 225 # if @REPLACE_FSEEKO@
 226 /* Provide fseek, fseeko functions that are aware of a preceding
 227    fflush(), and which detect pipes.  */
 228 #  define fseeko rpl_fseeko
 229 extern int fseeko (FILE *fp, off_t offset, int whence);
 230 #  define fseek(fp, offset, whence) fseeko (fp, (off_t)(offset), whence)
 231 # endif
 232 #elif defined GNULIB_POSIXCHECK
 233 # undef fseeko
 234 # define fseeko(f,o,w) \
 235    (GL_LINK_WARNING ("fseeko is unportable - " \
 236                      "use gnulib module fseeko for portability"), \
 237     fseeko (f, o, w))
 238 #endif
 239
 240 #if @GNULIB_FTELL@ && @REPLACE_FTELL@
 241 extern long rpl_ftell (FILE *fp);
 242 # undef ftell
 243 # if GNULIB_POSIXCHECK
 244 #  define ftell(f) \
 245      (GL_LINK_WARNING ("ftell cannot handle files larger than 4 GB " \
 246                        "on 32-bit platforms - " \
 247                        "use ftello function for handling of large files"), \
 248       rpl_ftell (f))
 249 # else
 250 #  define ftell rpl_ftell
 251 # endif
 252 #elif defined GNULIB_POSIXCHECK
 253 # ifndef ftell
 254 #  define ftell(f) \
 255      (GL_LINK_WARNING ("ftell cannot handle files larger than 4 GB " \
 256                        "on 32-bit platforms - " \
 257                        "use ftello function for handling of large files"), \
 258       ftell (f))
 259 # endif
 260 #endif
 261
 262 #if @GNULIB_FTELLO@
 263 # if @REPLACE_FTELLO@
 264 #  define ftello rpl_ftello
 265 extern off_t ftello (FILE *fp);
 266 #  define ftell(fp) ftello (fp)
 267 # endif
 268 #elif defined GNULIB_POSIXCHECK
 269 # undef ftello
 270 # define ftello(f) \
 271    (GL_LINK_WARNING ("ftello is unportable - " \
 272                      "use gnulib module ftello for portability"), \
 273     ftello (f))
 274 #endif
 275
 276 #if @GNULIB_FWRITE@ && @REPLACE_STDIO_WRITE_FUNCS@ && @GNULIB_STDIO_H_SIGPIPE@
 277 # undef fwrite
 278 # define fwrite rpl_fwrite
 279 extern size_t fwrite (const void *ptr, size_t s, size_t n, FILE *stream);
 280 #endif
 281
 282 #if @GNULIB_GETDELIM@
 283 # if !@HAVE_DECL_GETDELIM@
 284 /* Read input, up to (and including) the next occurrence of DELIMITER, from
 285    STREAM, store it in *LINEPTR (and NUL-terminate it).
 286    *LINEPTR is a pointer returned from malloc (or NULL), pointing to *LINESIZE
 287    bytes of space.  It is realloc'd as necessary.
 288    Return the number of bytes read and stored at *LINEPTR (not including the
 289    NUL terminator), or -1 on error or EOF.  */
 290 extern ssize_t getdelim (char **lineptr, size_t *linesize, int delimiter,
 291                          FILE *stream);
 292 # endif
 293 #elif defined GNULIB_POSIXCHECK
 294 # undef getdelim
 295 # define getdelim(l, s, d, f)                                       \
 296   (GL_LINK_WARNING ("getdelim is unportable - "                     \
 297                     "use gnulib module getdelim for portability"),  \
 298    getdelim (l, s, d, f))
 299 #endif
 300
 301 #if @GNULIB_GETLINE@
 302 # if @REPLACE_GETLINE@
 303 #  undef getline
 304 #  define getline rpl_getline
 305 # endif
 306 # if !@HAVE_DECL_GETLINE@ || @REPLACE_GETLINE@
 307 /* Read a line, up to (and including) the next newline, from STREAM, store it
 308    in *LINEPTR (and NUL-terminate it).
 309    *LINEPTR is a pointer returned from malloc (or NULL), pointing to *LINESIZE
 310    bytes of space.  It is realloc'd as necessary.
 311    Return the number of bytes read and stored at *LINEPTR (not including the
 312    NUL terminator), or -1 on error or EOF.  */
 313 extern ssize_t getline (char **lineptr, size_t *linesize, FILE *stream);
 314 # endif
 315 #elif defined GNULIB_POSIXCHECK
 316 # undef getline
 317 # define getline(l, s, f)                                               \
 318   (GL_LINK_WARNING ("getline is unportable - "                          \
 319                     "use gnulib module getline for portability"),       \
 320    getline (l, s, f))
 321 #endif
 322
 323 #if @GNULIB_OBSTACK_PRINTF@
 324 # if @REPLACE_OBSTACK_PRINTF@
 325 #  define obstack_printf rpl_osbtack_printf
 326 #  define obstack_vprintf rpl_obstack_vprintf
 327 # endif
 328 # if @REPLACE_OBSTACK_PRINTF@ || !@HAVE_DECL_OBSTACK_PRINTF@
 329   struct obstack;
 330   /* Grow an obstack with formatted output.  Return the number of
 331      bytes added to OBS.  No trailing nul byte is added, and the
 332      object should be closed with obstack_finish before use.  Upon
 333      memory allocation error, call obstack_alloc_failed_handler.  Upon
 334      other error, return -1.  */
 335   extern int obstack_printf (struct obstack *obs, const char *format, ...)
 336     __attribute__ ((__format__ (__printf__, 2, 3)));
 337   extern int obstack_vprintf (struct obstack *obs, const char *format,
 338                               va_list args)
 339     __attribute__ ((__format__ (__printf__, 2, 0)));
 340 # endif
 341 #endif
 342
 343 #if @GNULIB_PERROR@
 344 # if @REPLACE_PERROR@
 345 #  define perror rpl_perror
 346 /* Print a message to standard error, describing the value of ERRNO,
 347    (if STRING is not NULL and not empty) prefixed with STRING and ": ",
 348    and terminated with a newline.  */
 349 extern void perror (const char *string);
 350 # endif
 351 #elif defined GNULIB_POSIXCHECK
 352 # undef perror
 353 # define perror(s) \
 354     (GL_LINK_WARNING ("perror is not always POSIX compliant - " \
 355                       "use gnulib module perror for portability"), \
 356      perror (s))
 357 #endif
 358
 359 #if @GNULIB_POPEN@
 360 # if @REPLACE_POPEN@
 361 #  undef popen
 362 #  define popen rpl_popen
 363 extern FILE *popen (const char *cmd, const char *mode);
 364 # endif
 365 #elif defined GNULIB_POSIXCHECK
 366 # undef popen
 367 # define popen(c,m) \
 368    (GL_LINK_WARNING ("popen is buggy on some platforms - " \
 369                      "use gnulib module popen or pipe for more portability"), \
 370     popen (c, m))
 371 #endif
 372
 373 #if @GNULIB_PRINTF_POSIX@
 374 # if @REPLACE_PRINTF@
 375 /* Don't break __attribute__((format(printf,M,N))).  */
 376 #  define printf __printf__
 377 extern int printf (const char *format, ...)
 378        __attribute__ ((__format__ (__printf__, 1, 2)));
 379 # endif
 380 #elif @GNULIB_PRINTF@ && @REPLACE_STDIO_WRITE_FUNCS@ && @GNULIB_STDIO_H_SIGPIPE@
 381 /* Don't break __attribute__((format(printf,M,N))).  */
 382 # define printf __printf__
 383 extern int printf (const char *format, ...)
 384        __attribute__ ((__format__ (__printf__, 1, 2)));
 385 #elif defined GNULIB_POSIXCHECK
 386 # undef printf
 387 # define printf \
 388     (GL_LINK_WARNING ("printf is not always POSIX compliant - " \
 389                       "use gnulib module printf-posix for portable " \
 390                       "POSIX compliance"), \
 391      printf)
 392 /* Don't break __attribute__((format(printf,M,N))).  */
 393 # define format(kind,m,n) format (__##kind##__, m, n)
 394 # define __format__(kind,m,n) __format__ (__##kind##__, m, n)
 395 # define ____printf____ __printf__
 396 # define ____scanf____ __scanf__
 397 # define ____strftime____ __strftime__
 398 # define ____strfmon____ __strfmon__
 399 #endif
 400
 401 #if @GNULIB_PUTC@ && @REPLACE_STDIO_WRITE_FUNCS@ && @GNULIB_STDIO_H_SIGPIPE@
 402 # undef putc
 403 # define putc rpl_fputc
 404 extern int putc (int c, FILE *stream);
 405 #endif
 406
 407 #if @GNULIB_PUTCHAR@ && @REPLACE_STDIO_WRITE_FUNCS@ && @GNULIB_STDIO_H_SIGPIPE@
 408 # undef putchar
 409 # define putchar rpl_putchar
 410 extern int putchar (int c);
 411 #endif
 412
 413 #if @GNULIB_PUTS@ && @REPLACE_STDIO_WRITE_FUNCS@ && @GNULIB_STDIO_H_SIGPIPE@
 414 # undef puts
 415 # define puts rpl_puts
 416 extern int puts (const char *string);
 417 #endif
 418
 419 #if @GNULIB_REMOVE@
 420 # if @REPLACE_REMOVE@
 421 #  undef remove
 422 #  define remove rpl_remove
 423 extern int remove (const char *name);
 424 # endif
 425 #elif defined GNULIB_POSIXCHECK
 426 # undef remove
 427 # define remove(n)                                         \
 428    (GL_LINK_WARNING ("remove cannot handle directories on some platforms - " \
 429                      "use gnulib module remove for more portability"), \
 430     remove (n))
 431 #endif
 432
 433 #if @GNULIB_RENAME@
 434 # if @REPLACE_RENAME@
 435 #  undef rename
 436 #  define rename rpl_rename
 437 extern int rename (const char *old, const char *new);
 438 # endif
 439 #elif defined GNULIB_POSIXCHECK
 440 # undef rename
 441 # define rename(o,n)                                       \
 442    (GL_LINK_WARNING ("rename is buggy on some platforms - " \
 443                      "use gnulib module rename for more portability"), \
 444     rename (o, n))
 445 #endif
 446
 447 #if @GNULIB_RENAMEAT@
 448 # if @REPLACE_RENAMEAT@
 449 #  undef renameat
 450 #  define renameat rpl_renameat
 451 # endif
 452 # if !@HAVE_RENAMEAT@ || @REPLACE_RENAMEAT@
 453 extern int renameat (int fd1, char const *file1, int fd2, char const *file2);
 454 # endif
 455 #elif defined GNULIB_POSIXCHECK
 456 # undef renameat
 457 # define renameat(d1,f1,d2,f2)             \
 458     (GL_LINK_WARNING ("renameat is not portable - " \
 459                       "use gnulib module renameat for portability"), \
 460      renameat (d1, f1, d2, f2))
 461 #endif
 462
 463 #if @GNULIB_SNPRINTF@
 464 # if @REPLACE_SNPRINTF@
 465 #  define snprintf rpl_snprintf
 466 # endif
 467 # if @REPLACE_SNPRINTF@ || !@HAVE_DECL_SNPRINTF@
 468 extern int snprintf (char *str, size_t size, const char *format, ...)
 469        __attribute__ ((__format__ (__printf__, 3, 4)));
 470 # endif
 471 #elif defined GNULIB_POSIXCHECK
 472 # undef snprintf
 473 # define snprintf \
 474     (GL_LINK_WARNING ("snprintf is unportable - " \
 475                       "use gnulib module snprintf for portability"), \
 476      snprintf)
 477 #endif
 478
 479 #if @GNULIB_SPRINTF_POSIX@
 480 # if @REPLACE_SPRINTF@
 481 #  define sprintf rpl_sprintf
 482 extern int sprintf (char *str, const char *format, ...)
 483        __attribute__ ((__format__ (__printf__, 2, 3)));
 484 # endif
 485 #elif defined GNULIB_POSIXCHECK
 486 # undef sprintf
 487 # define sprintf \
 488     (GL_LINK_WARNING ("sprintf is not always POSIX compliant - " \
 489                       "use gnulib module sprintf-posix for portable " \
 490                       "POSIX compliance"), \
 491      sprintf)
 492 #endif
 493
 494 #if @GNULIB_VASPRINTF@
 495 # if @REPLACE_VASPRINTF@
 496 #  define asprintf rpl_asprintf
 497 #  define vasprintf rpl_vasprintf
 498 # endif
 499 # if @REPLACE_VASPRINTF@ || !@HAVE_VASPRINTF@
 500   /* Write formatted output to a string dynamically allocated with malloc().
 501      If the memory allocation succeeds, store the address of the string in
 502      *RESULT and return the number of resulting bytes, excluding the trailing
 503      NUL.  Upon memory allocation error, or some other error, return -1.  */
 504   extern int asprintf (char **result, const char *format, ...)
 505     __attribute__ ((__format__ (__printf__, 2, 3)));
 506   extern int vasprintf (char **result, const char *format, va_list args)
 507     __attribute__ ((__format__ (__printf__, 2, 0)));
 508 # endif
 509 #endif
 510
 511 #if @GNULIB_VDPRINTF@
 512 # if @REPLACE_VDPRINTF@
 513 #  define vdprintf rpl_vdprintf
 514 # endif
 515 # if @REPLACE_VDPRINTF@ || !@HAVE_VDPRINTF@
 516 extern int vdprintf (int fd, const char *format, va_list args)
 517        __attribute__ ((__format__ (__printf__, 2, 0)));
 518 # endif
 519 #elif defined GNULIB_POSIXCHECK
 520 # undef vdprintf
 521 # define vdprintf(d,f,a) \
 522     (GL_LINK_WARNING ("vdprintf is unportable - " \
 523                       "use gnulib module vdprintf for portability"), \
 524      vdprintf (d, f, a))
 525 #endif
 526
 527 #if @GNULIB_VFPRINTF_POSIX@
 528 # if @REPLACE_VFPRINTF@
 529 #  define vfprintf rpl_vfprintf
 530 extern int vfprintf (FILE *fp, const char *format, va_list args)
 531        __attribute__ ((__format__ (__printf__, 2, 0)));
 532 # endif
 533 #elif @GNULIB_VFPRINTF@ && @REPLACE_STDIO_WRITE_FUNCS@ && @GNULIB_STDIO_H_SIGPIPE@
 534 # define vfprintf rpl_vfprintf
 535 extern int vfprintf (FILE *fp, const char *format, va_list args)
 536        __attribute__ ((__format__ (__printf__, 2, 0)));
 537 #elif defined GNULIB_POSIXCHECK
 538 # undef vfprintf
 539 # define vfprintf(s,f,a) \
 540     (GL_LINK_WARNING ("vfprintf is not always POSIX compliant - " \
 541                       "use gnulib module vfprintf-posix for portable " \
 542                       "POSIX compliance"), \
 543      vfprintf (s, f, a))
 544 #endif
 545
 546 #if @GNULIB_VPRINTF_POSIX@
 547 # if @REPLACE_VPRINTF@
 548 #  define vprintf rpl_vprintf
 549 extern int vprintf (const char *format, va_list args)
 550        __attribute__ ((__format__ (__printf__, 1, 0)));
 551 # endif
 552 #elif @GNULIB_VPRINTF@ && @REPLACE_STDIO_WRITE_FUNCS@ && @GNULIB_STDIO_H_SIGPIPE@
 553 # define vprintf rpl_vprintf
 554 extern int vprintf (const char *format, va_list args)
 555        __attribute__ ((__format__ (__printf__, 1, 0)));
 556 #elif defined GNULIB_POSIXCHECK
 557 # undef vprintf
 558 # define vprintf(f,a) \
 559     (GL_LINK_WARNING ("vprintf is not always POSIX compliant - " \
 560                       "use gnulib module vprintf-posix for portable " \
 561                       "POSIX compliance"), \
 562      vprintf (f, a))
 563 #endif
 564
 565 #if @GNULIB_VSNPRINTF@
 566 # if @REPLACE_VSNPRINTF@
 567 #  define vsnprintf rpl_vsnprintf
 568 # endif
 569 # if @REPLACE_VSNPRINTF@ || !@HAVE_DECL_VSNPRINTF@
 570 extern int vsnprintf (char *str, size_t size, const char *format, va_list args)
 571        __attribute__ ((__format__ (__printf__, 3, 0)));
 572 # endif
 573 #elif defined GNULIB_POSIXCHECK
 574 # undef vsnprintf
 575 # define vsnprintf(b,s,f,a) \
 576     (GL_LINK_WARNING ("vsnprintf is unportable - " \
 577                       "use gnulib module vsnprintf for portability"), \
 578      vsnprintf (b, s, f, a))
 579 #endif
 580
 581 #if @GNULIB_VSPRINTF_POSIX@
 582 # if @REPLACE_VSPRINTF@
 583 #  define vsprintf rpl_vsprintf
 584 extern int vsprintf (char *str, const char *format, va_list args)
 585        __attribute__ ((__format__ (__printf__, 2, 0)));
 586 # endif
 587 #elif defined GNULIB_POSIXCHECK
 588 # undef vsprintf
 589 # define vsprintf(b,f,a) \
 590     (GL_LINK_WARNING ("vsprintf is not always POSIX compliant - " \
 591                       "use gnulib module vsprintf-posix for portable " \
 592                       "POSIX compliance"), \
 593      vsprintf (b, f, a))
 594 #endif
 595
 596 #ifdef __cplusplus
 597 }
 598 #endif
 599
 600 #endif /* _GL_STDIO_H */
 601 #endif /* _GL_STDIO_H */
 602 #endif