lib/stdio.in.h

   1 /* A GNU-like <stdio.h>.
   2
   3    Copyright (C) 2004, 2007-2020 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 General Public License as published by
   7    the Free Software Foundation; either version 2, 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 General Public License for more details.
  14
  15    You should have received a copy of the GNU General Public License
  16    along with this program; if not, see <https://www.gnu.org/licenses/>.  */
  17
  18 #if __GNUC__ >= 3
  19 @PRAGMA_SYSTEM_HEADER@
  20 #endif
  21 @PRAGMA_COLUMNS@
  22
  23 #if defined __need_FILE || defined __need___FILE || defined _GL_ALREADY_INCLUDING_STDIO_H
  24 /* Special invocation convention:
  25    - Inside glibc header files.
  26    - On OSF/1 5.1 we have a sequence of nested includes
  27      <stdio.h> -> <getopt.h> -> <ctype.h> -> <sys/localedef.h> ->
  28      <sys/lc_core.h> -> <nl_types.h> -> <mesg.h> -> <stdio.h>.
  29      In this situation, the functions are not yet declared, therefore we cannot
  30      provide the C++ aliases.  */
  31
  32 #@INCLUDE_NEXT@ @NEXT_STDIO_H@
  33
  34 #else
  35 /* Normal invocation convention.  */
  36
  37 #ifndef _@GUARD_PREFIX@_STDIO_H
  38
  39 #define _GL_ALREADY_INCLUDING_STDIO_H
  40
  41 /* The include_next requires a split double-inclusion guard.  */
  42 #@INCLUDE_NEXT@ @NEXT_STDIO_H@
  43
  44 #undef _GL_ALREADY_INCLUDING_STDIO_H
  45
  46 #ifndef _@GUARD_PREFIX@_STDIO_H
  47 #define _@GUARD_PREFIX@_STDIO_H
  48
  49 /* Get va_list.  Needed on many systems, including glibc 2.8.  */
  50 #include <stdarg.h>
  51
  52 #include <stddef.h>
  53
  54 /* Get off_t and ssize_t.  Needed on many systems, including glibc 2.8
  55    and eglibc 2.11.2.
  56    May also define off_t to a 64-bit type on native Windows.  */
  57 #include <sys/types.h>
  58
  59 /* The __attribute__ feature is available in gcc versions 2.5 and later.
  60    The __-protected variants of the attributes 'format' and 'printf' are
  61    accepted by gcc versions 2.6.4 (effectively 2.7) and later.
  62    We enable _GL_ATTRIBUTE_FORMAT only if these are supported too, because
  63    gnulib and libintl do '#define printf __printf__' when they override
  64    the 'printf' function.  */
  65 #ifndef _GL_ATTRIBUTE_FORMAT
  66 # if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7) || defined __clang__
  67 #  define _GL_ATTRIBUTE_FORMAT(spec) __attribute__ ((__format__ spec))
  68 # else
  69 #  define _GL_ATTRIBUTE_FORMAT(spec) /* empty */
  70 # endif
  71 #endif
  72
  73 /* An __attribute__ __format__ specifier for a function that takes a format
  74    string and arguments, where the format string directives are the ones
  75    standardized by ISO C99 and POSIX.
  76    _GL_ATTRIBUTE_SPEC_PRINTF_STANDARD  */
  77 /* __gnu_printf__ is supported in GCC >= 4.4.  */
  78 #if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4)
  79 # define _GL_ATTRIBUTE_SPEC_PRINTF_STANDARD __gnu_printf__
  80 #else
  81 # define _GL_ATTRIBUTE_SPEC_PRINTF_STANDARD __printf__
  82 #endif
  83
  84 /* An __attribute__ __format__ specifier for a function that takes a format
  85    string and arguments, where the format string directives are the ones of the
  86    system printf(), rather than the ones standardized by ISO C99 and POSIX.
  87    _GL_ATTRIBUTE_SPEC_PRINTF_SYSTEM  */
  88 /* On mingw, Gnulib sets __USE_MINGW_ANSI_STDIO in order to get closer to
  89    the standards.  The macro GNULIB_PRINTF_ATTRIBUTE_FLAVOR_GNU indicates
  90    whether this change is effective.  On older mingw, it is not.  */
  91 #if GNULIB_PRINTF_ATTRIBUTE_FLAVOR_GNU
  92 # define _GL_ATTRIBUTE_SPEC_PRINTF_SYSTEM _GL_ATTRIBUTE_SPEC_PRINTF_STANDARD
  93 #else
  94 # define _GL_ATTRIBUTE_SPEC_PRINTF_SYSTEM __printf__
  95 #endif
  96
  97 /* _GL_ATTRIBUTE_FORMAT_PRINTF_STANDARD
  98    indicates to GCC that the function takes a format string and arguments,
  99    where the format string directives are the ones standardized by ISO C99
 100    and POSIX.  */
 101 #define _GL_ATTRIBUTE_FORMAT_PRINTF_STANDARD(formatstring_parameter, first_argument) \
 102   _GL_ATTRIBUTE_FORMAT ((_GL_ATTRIBUTE_SPEC_PRINTF_STANDARD, formatstring_parameter, first_argument))
 103
 104 /* _GL_ATTRIBUTE_FORMAT_PRINTF_SYSTEM is like _GL_ATTRIBUTE_FORMAT_PRINTF_STANDARD,
 105    except that it indicates to GCC that the supported format string directives
 106    are the ones of the system printf(), rather than the ones standardized by
 107    ISO C99 and POSIX.  */
 108 #define _GL_ATTRIBUTE_FORMAT_PRINTF_SYSTEM(formatstring_parameter, first_argument) \
 109   _GL_ATTRIBUTE_FORMAT ((_GL_ATTRIBUTE_SPEC_PRINTF_SYSTEM, formatstring_parameter, first_argument))
 110
 111 /* _GL_ATTRIBUTE_FORMAT_SCANF
 112    indicates to GCC that the function takes a format string and arguments,
 113    where the format string directives are the ones standardized by ISO C99
 114    and POSIX.  */
 115 #if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4)
 116 # define _GL_ATTRIBUTE_FORMAT_SCANF(formatstring_parameter, first_argument) \
 117    _GL_ATTRIBUTE_FORMAT ((__gnu_scanf__, formatstring_parameter, first_argument))
 118 #else
 119 # define _GL_ATTRIBUTE_FORMAT_SCANF(formatstring_parameter, first_argument) \
 120    _GL_ATTRIBUTE_FORMAT ((__scanf__, formatstring_parameter, first_argument))
 121 #endif
 122
 123 /* _GL_ATTRIBUTE_FORMAT_SCANF_SYSTEM is like _GL_ATTRIBUTE_FORMAT_SCANF,
 124    except that it indicates to GCC that the supported format string directives
 125    are the ones of the system scanf(), rather than the ones standardized by
 126    ISO C99 and POSIX.  */
 127 #define _GL_ATTRIBUTE_FORMAT_SCANF_SYSTEM(formatstring_parameter, first_argument) \
 128   _GL_ATTRIBUTE_FORMAT ((__scanf__, formatstring_parameter, first_argument))
 129
 130 /* Solaris 10 and NetBSD 7.0 declare renameat in <unistd.h>, not in <stdio.h>.  */
 131 /* But in any case avoid namespace pollution on glibc systems.  */
 132 #if (@GNULIB_RENAMEAT@ || defined GNULIB_POSIXCHECK) && (defined __sun || defined __NetBSD__) \
 133     && ! defined __GLIBC__
 134 # include <unistd.h>
 135 #endif
 136
 137 /* Android 4.3 declares renameat in <sys/stat.h>, not in <stdio.h>.  */
 138 /* But in any case avoid namespace pollution on glibc systems.  */
 139 #if (@GNULIB_RENAMEAT@ || defined GNULIB_POSIXCHECK) && defined __ANDROID__ \
 140     && ! defined __GLIBC__
 141 # include <sys/stat.h>
 142 #endif
 143
 144 /* MSVC declares 'perror' in <stdlib.h>, not in <stdio.h>.  We must include
 145    it before we  #define perror rpl_perror.  */
 146 /* But in any case avoid namespace pollution on glibc systems.  */
 147 #if (@GNULIB_PERROR@ || defined GNULIB_POSIXCHECK) \
 148     && (defined _WIN32 && ! defined __CYGWIN__) \
 149     && ! defined __GLIBC__
 150 # include <stdlib.h>
 151 #endif
 152
 153 /* MSVC declares 'remove' in <io.h>, not in <stdio.h>.  We must include
 154    it before we  #define remove rpl_remove.  */
 155 /* MSVC declares 'rename' in <io.h>, not in <stdio.h>.  We must include
 156    it before we  #define rename rpl_rename.  */
 157 /* But in any case avoid namespace pollution on glibc systems.  */
 158 #if (@GNULIB_REMOVE@ || @GNULIB_RENAME@ || defined GNULIB_POSIXCHECK) \
 159     && (defined _WIN32 && ! defined __CYGWIN__) \
 160     && ! defined __GLIBC__
 161 # include <io.h>
 162 #endif
 163
 164
 165 /* The definitions of _GL_FUNCDECL_RPL etc. are copied here.  */
 166
 167 /* The definition of _GL_ARG_NONNULL is copied here.  */
 168
 169 /* The definition of _GL_WARN_ON_USE is copied here.  */
 170
 171 /* Macros for stringification.  */
 172 #define _GL_STDIO_STRINGIZE(token) #token
 173 #define _GL_STDIO_MACROEXPAND_AND_STRINGIZE(token) _GL_STDIO_STRINGIZE(token)
 174
 175 /* When also using extern inline, suppress the use of static inline in
 176    standard headers of problematic Apple configurations, as Libc at
 177    least through Libc-825.26 (2013-04-09) mishandles it; see, e.g.,
 178    <https://lists.gnu.org/r/bug-gnulib/2012-12/msg00023.html>.
 179    Perhaps Apple will fix this some day.  */
 180 #if (defined _GL_EXTERN_INLINE_IN_USE && defined __APPLE__ \
 181      && defined __GNUC__ && defined __STDC__)
 182 # undef putc_unlocked
 183 #endif
 184
 185 #if @GNULIB_DPRINTF@
 186 # if @REPLACE_DPRINTF@
 187 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 188 #   define dprintf rpl_dprintf
 189 #  endif
 190 _GL_FUNCDECL_RPL (dprintf, int, (int fd, const char *restrict format, ...)
 191                                 _GL_ATTRIBUTE_FORMAT_PRINTF_STANDARD (2, 3)
 192                                 _GL_ARG_NONNULL ((2)));
 193 _GL_CXXALIAS_RPL (dprintf, int, (int fd, const char *restrict format, ...));
 194 # else
 195 #  if !@HAVE_DPRINTF@
 196 _GL_FUNCDECL_SYS (dprintf, int, (int fd, const char *restrict format, ...)
 197                                 _GL_ATTRIBUTE_FORMAT_PRINTF_STANDARD (2, 3)
 198                                 _GL_ARG_NONNULL ((2)));
 199 #  endif
 200 _GL_CXXALIAS_SYS (dprintf, int, (int fd, const char *restrict format, ...));
 201 # endif
 202 _GL_CXXALIASWARN (dprintf);
 203 #elif defined GNULIB_POSIXCHECK
 204 # undef dprintf
 205 # if HAVE_RAW_DECL_DPRINTF
 206 _GL_WARN_ON_USE (dprintf, "dprintf is unportable - "
 207                  "use gnulib module dprintf for portability");
 208 # endif
 209 #endif
 210
 211 #if @GNULIB_FCLOSE@
 212 /* Close STREAM and its underlying file descriptor.  */
 213 # if @REPLACE_FCLOSE@
 214 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 215 #   define fclose rpl_fclose
 216 #  endif
 217 _GL_FUNCDECL_RPL (fclose, int, (FILE *stream) _GL_ARG_NONNULL ((1)));
 218 _GL_CXXALIAS_RPL (fclose, int, (FILE *stream));
 219 # else
 220 _GL_CXXALIAS_SYS (fclose, int, (FILE *stream));
 221 # endif
 222 # if __GLIBC__ >= 2
 223 _GL_CXXALIASWARN (fclose);
 224 # endif
 225 #elif defined GNULIB_POSIXCHECK
 226 # undef fclose
 227 /* Assume fclose is always declared.  */
 228 _GL_WARN_ON_USE (fclose, "fclose is not always POSIX compliant - "
 229                  "use gnulib module fclose for portable POSIX compliance");
 230 #endif
 231
 232 #if defined _WIN32 && !defined __CYGWIN__
 233 # undef fcloseall
 234 # define fcloseall _fcloseall
 235 #endif
 236
 237 #if @GNULIB_FDOPEN@
 238 # if @REPLACE_FDOPEN@
 239 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 240 #   undef fdopen
 241 #   define fdopen rpl_fdopen
 242 #  endif
 243 _GL_FUNCDECL_RPL (fdopen, FILE *, (int fd, const char *mode)
 244                                   _GL_ARG_NONNULL ((2)));
 245 _GL_CXXALIAS_RPL (fdopen, FILE *, (int fd, const char *mode));
 246 # elif defined _WIN32 && !defined __CYGWIN__
 247 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 248 #   undef fdopen
 249 #   define fdopen _fdopen
 250 #  endif
 251 _GL_CXXALIAS_MDA (fdopen, FILE *, (int fd, const char *mode));
 252 # else
 253 _GL_CXXALIAS_SYS (fdopen, FILE *, (int fd, const char *mode));
 254 # endif
 255 _GL_CXXALIASWARN (fdopen);
 256 #elif defined GNULIB_POSIXCHECK
 257 # undef fdopen
 258 /* Assume fdopen is always declared.  */
 259 _GL_WARN_ON_USE (fdopen, "fdopen on native Windows platforms is not POSIX compliant - "
 260                  "use gnulib module fdopen for portability");
 261 #elif defined _WIN32 && !defined __CYGWIN__
 262 # undef fdopen
 263 # define fdopen _fdopen
 264 #endif
 265
 266 #if @GNULIB_FFLUSH@
 267 /* Flush all pending data on STREAM according to POSIX rules.  Both
 268    output and seekable input streams are supported.
 269    Note! LOSS OF DATA can occur if fflush is applied on an input stream
 270    that is _not_seekable_ or on an update stream that is _not_seekable_
 271    and in which the most recent operation was input.  Seekability can
 272    be tested with lseek(fileno(fp),0,SEEK_CUR).  */
 273 # if @REPLACE_FFLUSH@
 274 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 275 #   define fflush rpl_fflush
 276 #  endif
 277 _GL_FUNCDECL_RPL (fflush, int, (FILE *gl_stream));
 278 _GL_CXXALIAS_RPL (fflush, int, (FILE *gl_stream));
 279 # else
 280 _GL_CXXALIAS_SYS (fflush, int, (FILE *gl_stream));
 281 # endif
 282 # if __GLIBC__ >= 2
 283 _GL_CXXALIASWARN (fflush);
 284 # endif
 285 #elif defined GNULIB_POSIXCHECK
 286 # undef fflush
 287 /* Assume fflush is always declared.  */
 288 _GL_WARN_ON_USE (fflush, "fflush is not always POSIX compliant - "
 289                  "use gnulib module fflush for portable POSIX compliance");
 290 #endif
 291
 292 #if @GNULIB_FGETC@
 293 # if @REPLACE_STDIO_READ_FUNCS@ && @GNULIB_STDIO_H_NONBLOCKING@
 294 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 295 #   undef fgetc
 296 #   define fgetc rpl_fgetc
 297 #  endif
 298 _GL_FUNCDECL_RPL (fgetc, int, (FILE *stream) _GL_ARG_NONNULL ((1)));
 299 _GL_CXXALIAS_RPL (fgetc, int, (FILE *stream));
 300 # else
 301 _GL_CXXALIAS_SYS (fgetc, int, (FILE *stream));
 302 # endif
 303 # if __GLIBC__ >= 2
 304 _GL_CXXALIASWARN (fgetc);
 305 # endif
 306 #endif
 307
 308 #if @GNULIB_FGETS@
 309 # if @REPLACE_STDIO_READ_FUNCS@ && @GNULIB_STDIO_H_NONBLOCKING@
 310 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 311 #   undef fgets
 312 #   define fgets rpl_fgets
 313 #  endif
 314 _GL_FUNCDECL_RPL (fgets, char *,
 315                   (char *restrict s, int n, FILE *restrict stream)
 316                   _GL_ARG_NONNULL ((1, 3)));
 317 _GL_CXXALIAS_RPL (fgets, char *,
 318                   (char *restrict s, int n, FILE *restrict stream));
 319 # else
 320 _GL_CXXALIAS_SYS (fgets, char *,
 321                   (char *restrict s, int n, FILE *restrict stream));
 322 # endif
 323 # if __GLIBC__ >= 2
 324 _GL_CXXALIASWARN (fgets);
 325 # endif
 326 #endif
 327
 328 #if defined _WIN32 && !defined __CYGWIN__
 329 # undef fileno
 330 # define fileno _fileno
 331 #endif
 332
 333 #if @GNULIB_FOPEN@
 334 # if @REPLACE_FOPEN@
 335 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 336 #   undef fopen
 337 #   define fopen rpl_fopen
 338 #  endif
 339 _GL_FUNCDECL_RPL (fopen, FILE *,
 340                   (const char *restrict filename, const char *restrict mode)
 341                   _GL_ARG_NONNULL ((1, 2)));
 342 _GL_CXXALIAS_RPL (fopen, FILE *,
 343                   (const char *restrict filename, const char *restrict mode));
 344 # else
 345 _GL_CXXALIAS_SYS (fopen, FILE *,
 346                   (const char *restrict filename, const char *restrict mode));
 347 # endif
 348 # if __GLIBC__ >= 2
 349 _GL_CXXALIASWARN (fopen);
 350 # endif
 351 #elif defined GNULIB_POSIXCHECK
 352 # undef fopen
 353 /* Assume fopen is always declared.  */
 354 _GL_WARN_ON_USE (fopen, "fopen on native Windows platforms is not POSIX compliant - "
 355                  "use gnulib module fopen for portability");
 356 #endif
 357
 358 #if @GNULIB_FPRINTF_POSIX@ || @GNULIB_FPRINTF@
 359 # if (@GNULIB_FPRINTF_POSIX@ && @REPLACE_FPRINTF@) \
 360      || (@GNULIB_FPRINTF@ && @REPLACE_STDIO_WRITE_FUNCS@ && (@GNULIB_STDIO_H_NONBLOCKING@ || @GNULIB_STDIO_H_SIGPIPE@))
 361 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 362 #   define fprintf rpl_fprintf
 363 #  endif
 364 #  define GNULIB_overrides_fprintf 1
 365 #  if @GNULIB_FPRINTF_POSIX@ || @GNULIB_VFPRINTF_POSIX@
 366 _GL_FUNCDECL_RPL (fprintf, int,
 367                   (FILE *restrict fp, const char *restrict format, ...)
 368                   _GL_ATTRIBUTE_FORMAT_PRINTF_STANDARD (2, 3)
 369                   _GL_ARG_NONNULL ((1, 2)));
 370 #  else
 371 _GL_FUNCDECL_RPL (fprintf, int,
 372                   (FILE *restrict fp, const char *restrict format, ...)
 373                   _GL_ATTRIBUTE_FORMAT_PRINTF_SYSTEM (2, 3)
 374                   _GL_ARG_NONNULL ((1, 2)));
 375 #  endif
 376 _GL_CXXALIAS_RPL (fprintf, int,
 377                   (FILE *restrict fp, const char *restrict format, ...));
 378 # else
 379 _GL_CXXALIAS_SYS (fprintf, int,
 380                   (FILE *restrict fp, const char *restrict format, ...));
 381 # endif
 382 # if __GLIBC__ >= 2
 383 _GL_CXXALIASWARN (fprintf);
 384 # endif
 385 #endif
 386 #if !@GNULIB_FPRINTF_POSIX@ && defined GNULIB_POSIXCHECK
 387 # if !GNULIB_overrides_fprintf
 388 #  undef fprintf
 389 # endif
 390 /* Assume fprintf is always declared.  */
 391 _GL_WARN_ON_USE (fprintf, "fprintf is not always POSIX compliant - "
 392                  "use gnulib module fprintf-posix for portable "
 393                  "POSIX compliance");
 394 #endif
 395
 396 #if @GNULIB_FPURGE@
 397 /* Discard all pending buffered I/O data on STREAM.
 398    STREAM must not be wide-character oriented.
 399    When discarding pending output, the file position is set back to where it
 400    was before the write calls.  When discarding pending input, the file
 401    position is advanced to match the end of the previously read input.
 402    Return 0 if successful.  Upon error, return -1 and set errno.  */
 403 # if @REPLACE_FPURGE@
 404 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 405 #   define fpurge rpl_fpurge
 406 #  endif
 407 _GL_FUNCDECL_RPL (fpurge, int, (FILE *gl_stream) _GL_ARG_NONNULL ((1)));
 408 _GL_CXXALIAS_RPL (fpurge, int, (FILE *gl_stream));
 409 # else
 410 #  if !@HAVE_DECL_FPURGE@
 411 _GL_FUNCDECL_SYS (fpurge, int, (FILE *gl_stream) _GL_ARG_NONNULL ((1)));
 412 #  endif
 413 _GL_CXXALIAS_SYS (fpurge, int, (FILE *gl_stream));
 414 # endif
 415 _GL_CXXALIASWARN (fpurge);
 416 #elif defined GNULIB_POSIXCHECK
 417 # undef fpurge
 418 # if HAVE_RAW_DECL_FPURGE
 419 _GL_WARN_ON_USE (fpurge, "fpurge is not always present - "
 420                  "use gnulib module fpurge for portability");
 421 # endif
 422 #endif
 423
 424 #if @GNULIB_FPUTC@
 425 # if @REPLACE_STDIO_WRITE_FUNCS@ && (@GNULIB_STDIO_H_NONBLOCKING@ || @GNULIB_STDIO_H_SIGPIPE@)
 426 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 427 #   undef fputc
 428 #   define fputc rpl_fputc
 429 #  endif
 430 _GL_FUNCDECL_RPL (fputc, int, (int c, FILE *stream) _GL_ARG_NONNULL ((2)));
 431 _GL_CXXALIAS_RPL (fputc, int, (int c, FILE *stream));
 432 # else
 433 _GL_CXXALIAS_SYS (fputc, int, (int c, FILE *stream));
 434 # endif
 435 # if __GLIBC__ >= 2
 436 _GL_CXXALIASWARN (fputc);
 437 # endif
 438 #endif
 439
 440 #if @GNULIB_FPUTS@
 441 # if @REPLACE_STDIO_WRITE_FUNCS@ && (@GNULIB_STDIO_H_NONBLOCKING@ || @GNULIB_STDIO_H_SIGPIPE@)
 442 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 443 #   undef fputs
 444 #   define fputs rpl_fputs
 445 #  endif
 446 _GL_FUNCDECL_RPL (fputs, int,
 447                   (const char *restrict string, FILE *restrict stream)
 448                   _GL_ARG_NONNULL ((1, 2)));
 449 _GL_CXXALIAS_RPL (fputs, int,
 450                   (const char *restrict string, FILE *restrict stream));
 451 # else
 452 _GL_CXXALIAS_SYS (fputs, int,
 453                   (const char *restrict string, FILE *restrict stream));
 454 # endif
 455 # if __GLIBC__ >= 2
 456 _GL_CXXALIASWARN (fputs);
 457 # endif
 458 #endif
 459
 460 #if @GNULIB_FREAD@
 461 # if @REPLACE_STDIO_READ_FUNCS@ && @GNULIB_STDIO_H_NONBLOCKING@
 462 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 463 #   undef fread
 464 #   define fread rpl_fread
 465 #  endif
 466 _GL_FUNCDECL_RPL (fread, size_t,
 467                   (void *restrict ptr, size_t s, size_t n,
 468                    FILE *restrict stream)
 469                   _GL_ARG_NONNULL ((4)));
 470 _GL_CXXALIAS_RPL (fread, size_t,
 471                   (void *restrict ptr, size_t s, size_t n,
 472                    FILE *restrict stream));
 473 # else
 474 _GL_CXXALIAS_SYS (fread, size_t,
 475                   (void *restrict ptr, size_t s, size_t n,
 476                    FILE *restrict stream));
 477 # endif
 478 # if __GLIBC__ >= 2
 479 _GL_CXXALIASWARN (fread);
 480 # endif
 481 #endif
 482
 483 #if @GNULIB_FREOPEN@
 484 # if @REPLACE_FREOPEN@
 485 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 486 #   undef freopen
 487 #   define freopen rpl_freopen
 488 #  endif
 489 _GL_FUNCDECL_RPL (freopen, FILE *,
 490                   (const char *restrict filename, const char *restrict mode,
 491                    FILE *restrict stream)
 492                   _GL_ARG_NONNULL ((2, 3)));
 493 _GL_CXXALIAS_RPL (freopen, FILE *,
 494                   (const char *restrict filename, const char *restrict mode,
 495                    FILE *restrict stream));
 496 # else
 497 _GL_CXXALIAS_SYS (freopen, FILE *,
 498                   (const char *restrict filename, const char *restrict mode,
 499                    FILE *restrict stream));
 500 # endif
 501 # if __GLIBC__ >= 2
 502 _GL_CXXALIASWARN (freopen);
 503 # endif
 504 #elif defined GNULIB_POSIXCHECK
 505 # undef freopen
 506 /* Assume freopen is always declared.  */
 507 _GL_WARN_ON_USE (freopen,
 508                  "freopen on native Windows platforms is not POSIX compliant - "
 509                  "use gnulib module freopen for portability");
 510 #endif
 511
 512 #if @GNULIB_FSCANF@
 513 # if @REPLACE_STDIO_READ_FUNCS@ && @GNULIB_STDIO_H_NONBLOCKING@
 514 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 515 #   undef fscanf
 516 #   define fscanf rpl_fscanf
 517 #  endif
 518 _GL_FUNCDECL_RPL (fscanf, int,
 519                   (FILE *restrict stream, const char *restrict format, ...)
 520                   _GL_ATTRIBUTE_FORMAT_SCANF_SYSTEM (2, 3)
 521                   _GL_ARG_NONNULL ((1, 2)));
 522 _GL_CXXALIAS_RPL (fscanf, int,
 523                   (FILE *restrict stream, const char *restrict format, ...));
 524 # else
 525 _GL_CXXALIAS_SYS (fscanf, int,
 526                   (FILE *restrict stream, const char *restrict format, ...));
 527 # endif
 528 # if __GLIBC__ >= 2
 529 _GL_CXXALIASWARN (fscanf);
 530 # endif
 531 #endif
 532
 533
 534 /* Set up the following warnings, based on which modules are in use.
 535    GNU Coding Standards discourage the use of fseek, since it imposes
 536    an arbitrary limitation on some 32-bit hosts.  Remember that the
 537    fseek module depends on the fseeko module, so we only have three
 538    cases to consider:
 539
 540    1. The developer is not using either module.  Issue a warning under
 541    GNULIB_POSIXCHECK for both functions, to remind them that both
 542    functions have bugs on some systems.  _GL_NO_LARGE_FILES has no
 543    impact on this warning.
 544
 545    2. The developer is using both modules.  They may be unaware of the
 546    arbitrary limitations of fseek, so issue a warning under
 547    GNULIB_POSIXCHECK.  On the other hand, they may be using both
 548    modules intentionally, so the developer can define
 549    _GL_NO_LARGE_FILES in the compilation units where the use of fseek
 550    is safe, to silence the warning.
 551
 552    3. The developer is using the fseeko module, but not fseek.  Gnulib
 553    guarantees that fseek will still work around platform bugs in that
 554    case, but we presume that the developer is aware of the pitfalls of
 555    fseek and was trying to avoid it, so issue a warning even when
 556    GNULIB_POSIXCHECK is undefined.  Again, _GL_NO_LARGE_FILES can be
 557    defined to silence the warning in particular compilation units.
 558    In C++ compilations with GNULIB_NAMESPACE, in order to avoid that
 559    fseek gets defined as a macro, it is recommended that the developer
 560    uses the fseek module, even if he is not calling the fseek function.
 561
 562    Most gnulib clients that perform stream operations should fall into
 563    category 3.  */
 564
 565 #if @GNULIB_FSEEK@
 566 # if defined GNULIB_POSIXCHECK && !defined _GL_NO_LARGE_FILES
 567 #  define _GL_FSEEK_WARN /* Category 2, above.  */
 568 #  undef fseek
 569 # endif
 570 # if @REPLACE_FSEEK@
 571 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 572 #   undef fseek
 573 #   define fseek rpl_fseek
 574 #  endif
 575 _GL_FUNCDECL_RPL (fseek, int, (FILE *fp, long offset, int whence)
 576                               _GL_ARG_NONNULL ((1)));
 577 _GL_CXXALIAS_RPL (fseek, int, (FILE *fp, long offset, int whence));
 578 # else
 579 _GL_CXXALIAS_SYS (fseek, int, (FILE *fp, long offset, int whence));
 580 # endif
 581 # if __GLIBC__ >= 2
 582 _GL_CXXALIASWARN (fseek);
 583 # endif
 584 #endif
 585
 586 #if @GNULIB_FSEEKO@
 587 # if !@GNULIB_FSEEK@ && !defined _GL_NO_LARGE_FILES
 588 #  define _GL_FSEEK_WARN /* Category 3, above.  */
 589 #  undef fseek
 590 # endif
 591 # if @REPLACE_FSEEKO@
 592 /* Provide an fseeko function that is aware of a preceding fflush(), and which
 593    detects pipes.  */
 594 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 595 #   undef fseeko
 596 #   define fseeko rpl_fseeko
 597 #  endif
 598 _GL_FUNCDECL_RPL (fseeko, int, (FILE *fp, off_t offset, int whence)
 599                                _GL_ARG_NONNULL ((1)));
 600 _GL_CXXALIAS_RPL (fseeko, int, (FILE *fp, off_t offset, int whence));
 601 # else
 602 #  if ! @HAVE_DECL_FSEEKO@
 603 _GL_FUNCDECL_SYS (fseeko, int, (FILE *fp, off_t offset, int whence)
 604                                _GL_ARG_NONNULL ((1)));
 605 #  endif
 606 _GL_CXXALIAS_SYS (fseeko, int, (FILE *fp, off_t offset, int whence));
 607 # endif
 608 _GL_CXXALIASWARN (fseeko);
 609 #elif defined GNULIB_POSIXCHECK
 610 # define _GL_FSEEK_WARN /* Category 1, above.  */
 611 # undef fseek
 612 # undef fseeko
 613 # if HAVE_RAW_DECL_FSEEKO
 614 _GL_WARN_ON_USE (fseeko, "fseeko is unportable - "
 615                  "use gnulib module fseeko for portability");
 616 # endif
 617 #endif
 618
 619 #ifdef _GL_FSEEK_WARN
 620 # undef _GL_FSEEK_WARN
 621 /* Here, either fseek is undefined (but C89 guarantees that it is
 622    declared), or it is defined as rpl_fseek (declared above).  */
 623 _GL_WARN_ON_USE (fseek, "fseek cannot handle files larger than 4 GB "
 624                  "on 32-bit platforms - "
 625                  "use fseeko function for handling of large files");
 626 #endif
 627
 628
 629 /* ftell, ftello.  See the comments on fseek/fseeko.  */
 630
 631 #if @GNULIB_FTELL@
 632 # if defined GNULIB_POSIXCHECK && !defined _GL_NO_LARGE_FILES
 633 #  define _GL_FTELL_WARN /* Category 2, above.  */
 634 #  undef ftell
 635 # endif
 636 # if @REPLACE_FTELL@
 637 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 638 #   undef ftell
 639 #   define ftell rpl_ftell
 640 #  endif
 641 _GL_FUNCDECL_RPL (ftell, long, (FILE *fp) _GL_ARG_NONNULL ((1)));
 642 _GL_CXXALIAS_RPL (ftell, long, (FILE *fp));
 643 # else
 644 _GL_CXXALIAS_SYS (ftell, long, (FILE *fp));
 645 # endif
 646 # if __GLIBC__ >= 2
 647 _GL_CXXALIASWARN (ftell);
 648 # endif
 649 #endif
 650
 651 #if @GNULIB_FTELLO@
 652 # if !@GNULIB_FTELL@ && !defined _GL_NO_LARGE_FILES
 653 #  define _GL_FTELL_WARN /* Category 3, above.  */
 654 #  undef ftell
 655 # endif
 656 # if @REPLACE_FTELLO@
 657 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 658 #   undef ftello
 659 #   define ftello rpl_ftello
 660 #  endif
 661 _GL_FUNCDECL_RPL (ftello, off_t, (FILE *fp) _GL_ARG_NONNULL ((1)));
 662 _GL_CXXALIAS_RPL (ftello, off_t, (FILE *fp));
 663 # else
 664 #  if ! @HAVE_DECL_FTELLO@
 665 _GL_FUNCDECL_SYS (ftello, off_t, (FILE *fp) _GL_ARG_NONNULL ((1)));
 666 #  endif
 667 _GL_CXXALIAS_SYS (ftello, off_t, (FILE *fp));
 668 # endif
 669 _GL_CXXALIASWARN (ftello);
 670 #elif defined GNULIB_POSIXCHECK
 671 # define _GL_FTELL_WARN /* Category 1, above.  */
 672 # undef ftell
 673 # undef ftello
 674 # if HAVE_RAW_DECL_FTELLO
 675 _GL_WARN_ON_USE (ftello, "ftello is unportable - "
 676                  "use gnulib module ftello for portability");
 677 # endif
 678 #endif
 679
 680 #ifdef _GL_FTELL_WARN
 681 # undef _GL_FTELL_WARN
 682 /* Here, either ftell is undefined (but C89 guarantees that it is
 683    declared), or it is defined as rpl_ftell (declared above).  */
 684 _GL_WARN_ON_USE (ftell, "ftell cannot handle files larger than 4 GB "
 685                  "on 32-bit platforms - "
 686                  "use ftello function for handling of large files");
 687 #endif
 688
 689
 690 #if @GNULIB_FWRITE@
 691 # if @REPLACE_STDIO_WRITE_FUNCS@ && (@GNULIB_STDIO_H_NONBLOCKING@ || @GNULIB_STDIO_H_SIGPIPE@)
 692 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 693 #   undef fwrite
 694 #   define fwrite rpl_fwrite
 695 #  endif
 696 _GL_FUNCDECL_RPL (fwrite, size_t,
 697                   (const void *restrict ptr, size_t s, size_t n,
 698                    FILE *restrict stream)
 699                   _GL_ARG_NONNULL ((1, 4)));
 700 _GL_CXXALIAS_RPL (fwrite, size_t,
 701                   (const void *restrict ptr, size_t s, size_t n,
 702                    FILE *restrict stream));
 703 # else
 704 _GL_CXXALIAS_SYS (fwrite, size_t,
 705                   (const void *restrict ptr, size_t s, size_t n,
 706                    FILE *restrict stream));
 707
 708 /* Work around bug 11959 when fortifying glibc 2.4 through 2.15
 709    <https://sourceware.org/bugzilla/show_bug.cgi?id=11959>,
 710    which sometimes causes an unwanted diagnostic for fwrite calls.
 711    This affects only function declaration attributes under certain
 712    versions of gcc and clang, and is not needed for C++.  */
 713 #  if (0 < __USE_FORTIFY_LEVEL                                          \
 714        && __GLIBC__ == 2 && 4 <= __GLIBC_MINOR__ && __GLIBC_MINOR__ <= 15 \
 715        && 3 < __GNUC__ + (4 <= __GNUC_MINOR__)                          \
 716        && !defined __cplusplus)
 717 #   undef fwrite
 718 #   undef fwrite_unlocked
 719 extern size_t __REDIRECT (rpl_fwrite,
 720                           (const void *__restrict, size_t, size_t,
 721                            FILE *__restrict),
 722                           fwrite);
 723 extern size_t __REDIRECT (rpl_fwrite_unlocked,
 724                           (const void *__restrict, size_t, size_t,
 725                            FILE *__restrict),
 726                           fwrite_unlocked);
 727 #   define fwrite rpl_fwrite
 728 #   define fwrite_unlocked rpl_fwrite_unlocked
 729 #  endif
 730 # endif
 731 # if __GLIBC__ >= 2
 732 _GL_CXXALIASWARN (fwrite);
 733 # endif
 734 #endif
 735
 736 #if @GNULIB_GETC@
 737 # if @REPLACE_STDIO_READ_FUNCS@ && @GNULIB_STDIO_H_NONBLOCKING@
 738 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 739 #   undef getc
 740 #   define getc rpl_fgetc
 741 #  endif
 742 _GL_FUNCDECL_RPL (fgetc, int, (FILE *stream) _GL_ARG_NONNULL ((1)));
 743 _GL_CXXALIAS_RPL_1 (getc, rpl_fgetc, int, (FILE *stream));
 744 # else
 745 _GL_CXXALIAS_SYS (getc, int, (FILE *stream));
 746 # endif
 747 # if __GLIBC__ >= 2
 748 _GL_CXXALIASWARN (getc);
 749 # endif
 750 #endif
 751
 752 #if @GNULIB_GETCHAR@
 753 # if @REPLACE_STDIO_READ_FUNCS@ && @GNULIB_STDIO_H_NONBLOCKING@
 754 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 755 #   undef getchar
 756 #   define getchar rpl_getchar
 757 #  endif
 758 _GL_FUNCDECL_RPL (getchar, int, (void));
 759 _GL_CXXALIAS_RPL (getchar, int, (void));
 760 # else
 761 _GL_CXXALIAS_SYS (getchar, int, (void));
 762 # endif
 763 # if __GLIBC__ >= 2
 764 _GL_CXXALIASWARN (getchar);
 765 # endif
 766 #endif
 767
 768 #if @GNULIB_GETDELIM@
 769 /* Read input, up to (and including) the next occurrence of DELIMITER, from
 770    STREAM, store it in *LINEPTR (and NUL-terminate it).
 771    *LINEPTR is a pointer returned from malloc (or NULL), pointing to *LINESIZE
 772    bytes of space.  It is realloc'd as necessary.
 773    Return the number of bytes read and stored at *LINEPTR (not including the
 774    NUL terminator), or -1 on error or EOF.  */
 775 # if @REPLACE_GETDELIM@
 776 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 777 #   undef getdelim
 778 #   define getdelim rpl_getdelim
 779 #  endif
 780 _GL_FUNCDECL_RPL (getdelim, ssize_t,
 781                   (char **restrict lineptr, size_t *restrict linesize,
 782                    int delimiter,
 783                    FILE *restrict stream)
 784                   _GL_ARG_NONNULL ((1, 2, 4)));
 785 _GL_CXXALIAS_RPL (getdelim, ssize_t,
 786                   (char **restrict lineptr, size_t *restrict linesize,
 787                    int delimiter,
 788                    FILE *restrict stream));
 789 # else
 790 #  if !@HAVE_DECL_GETDELIM@
 791 _GL_FUNCDECL_SYS (getdelim, ssize_t,
 792                   (char **restrict lineptr, size_t *restrict linesize,
 793                    int delimiter,
 794                    FILE *restrict stream)
 795                   _GL_ARG_NONNULL ((1, 2, 4)));
 796 #  endif
 797 _GL_CXXALIAS_SYS (getdelim, ssize_t,
 798                   (char **restrict lineptr, size_t *restrict linesize,
 799                    int delimiter,
 800                    FILE *restrict stream));
 801 # endif
 802 _GL_CXXALIASWARN (getdelim);
 803 #elif defined GNULIB_POSIXCHECK
 804 # undef getdelim
 805 # if HAVE_RAW_DECL_GETDELIM
 806 _GL_WARN_ON_USE (getdelim, "getdelim is unportable - "
 807                  "use gnulib module getdelim for portability");
 808 # endif
 809 #endif
 810
 811 #if @GNULIB_GETLINE@
 812 /* Read a line, up to (and including) the next newline, from STREAM, store it
 813    in *LINEPTR (and NUL-terminate it).
 814    *LINEPTR is a pointer returned from malloc (or NULL), pointing to *LINESIZE
 815    bytes of space.  It is realloc'd as necessary.
 816    Return the number of bytes read and stored at *LINEPTR (not including the
 817    NUL terminator), or -1 on error or EOF.  */
 818 # if @REPLACE_GETLINE@
 819 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 820 #   undef getline
 821 #   define getline rpl_getline
 822 #  endif
 823 _GL_FUNCDECL_RPL (getline, ssize_t,
 824                   (char **restrict lineptr, size_t *restrict linesize,
 825                    FILE *restrict stream)
 826                   _GL_ARG_NONNULL ((1, 2, 3)));
 827 _GL_CXXALIAS_RPL (getline, ssize_t,
 828                   (char **restrict lineptr, size_t *restrict linesize,
 829                    FILE *restrict stream));
 830 # else
 831 #  if !@HAVE_DECL_GETLINE@
 832 _GL_FUNCDECL_SYS (getline, ssize_t,
 833                   (char **restrict lineptr, size_t *restrict linesize,
 834                    FILE *restrict stream)
 835                   _GL_ARG_NONNULL ((1, 2, 3)));
 836 #  endif
 837 _GL_CXXALIAS_SYS (getline, ssize_t,
 838                   (char **restrict lineptr, size_t *restrict linesize,
 839                    FILE *restrict stream));
 840 # endif
 841 # if @HAVE_DECL_GETLINE@
 842 _GL_CXXALIASWARN (getline);
 843 # endif
 844 #elif defined GNULIB_POSIXCHECK
 845 # undef getline
 846 # if HAVE_RAW_DECL_GETLINE
 847 _GL_WARN_ON_USE (getline, "getline is unportable - "
 848                  "use gnulib module getline for portability");
 849 # endif
 850 #endif
 851
 852 /* It is very rare that the developer ever has full control of stdin,
 853    so any use of gets warrants an unconditional warning; besides, C11
 854    removed it.  */
 855 #undef gets
 856 #if HAVE_RAW_DECL_GETS && !defined __cplusplus
 857 _GL_WARN_ON_USE (gets, "gets is a security hole - use fgets instead");
 858 #endif
 859
 860 #if defined _WIN32 && !defined __CYGWIN__
 861 # undef getw
 862 # define getw _getw
 863 #endif
 864
 865 #if @GNULIB_OBSTACK_PRINTF@ || @GNULIB_OBSTACK_PRINTF_POSIX@
 866 struct obstack;
 867 /* Grow an obstack with formatted output.  Return the number of
 868    bytes added to OBS.  No trailing nul byte is added, and the
 869    object should be closed with obstack_finish before use.  Upon
 870    memory allocation error, call obstack_alloc_failed_handler.  Upon
 871    other error, return -1.  */
 872 # if @REPLACE_OBSTACK_PRINTF@
 873 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 874 #   define obstack_printf rpl_obstack_printf
 875 #  endif
 876 _GL_FUNCDECL_RPL (obstack_printf, int,
 877                   (struct obstack *obs, const char *format, ...)
 878                   _GL_ATTRIBUTE_FORMAT_PRINTF_STANDARD (2, 3)
 879                   _GL_ARG_NONNULL ((1, 2)));
 880 _GL_CXXALIAS_RPL (obstack_printf, int,
 881                   (struct obstack *obs, const char *format, ...));
 882 # else
 883 #  if !@HAVE_DECL_OBSTACK_PRINTF@
 884 _GL_FUNCDECL_SYS (obstack_printf, int,
 885                   (struct obstack *obs, const char *format, ...)
 886                   _GL_ATTRIBUTE_FORMAT_PRINTF_STANDARD (2, 3)
 887                   _GL_ARG_NONNULL ((1, 2)));
 888 #  endif
 889 _GL_CXXALIAS_SYS (obstack_printf, int,
 890                   (struct obstack *obs, const char *format, ...));
 891 # endif
 892 _GL_CXXALIASWARN (obstack_printf);
 893 # if @REPLACE_OBSTACK_PRINTF@
 894 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 895 #   define obstack_vprintf rpl_obstack_vprintf
 896 #  endif
 897 _GL_FUNCDECL_RPL (obstack_vprintf, int,
 898                   (struct obstack *obs, const char *format, va_list args)
 899                   _GL_ATTRIBUTE_FORMAT_PRINTF_STANDARD (2, 0)
 900                   _GL_ARG_NONNULL ((1, 2)));
 901 _GL_CXXALIAS_RPL (obstack_vprintf, int,
 902                   (struct obstack *obs, const char *format, va_list args));
 903 # else
 904 #  if !@HAVE_DECL_OBSTACK_PRINTF@
 905 _GL_FUNCDECL_SYS (obstack_vprintf, int,
 906                   (struct obstack *obs, const char *format, va_list args)
 907                   _GL_ATTRIBUTE_FORMAT_PRINTF_STANDARD (2, 0)
 908                   _GL_ARG_NONNULL ((1, 2)));
 909 #  endif
 910 _GL_CXXALIAS_SYS (obstack_vprintf, int,
 911                   (struct obstack *obs, const char *format, va_list args));
 912 # endif
 913 _GL_CXXALIASWARN (obstack_vprintf);
 914 #endif
 915
 916 #if @GNULIB_PCLOSE@
 917 # if !@HAVE_PCLOSE@
 918 _GL_FUNCDECL_SYS (pclose, int, (FILE *stream) _GL_ARG_NONNULL ((1)));
 919 # endif
 920 _GL_CXXALIAS_SYS (pclose, int, (FILE *stream));
 921 _GL_CXXALIASWARN (pclose);
 922 #elif defined GNULIB_POSIXCHECK
 923 # undef pclose
 924 # if HAVE_RAW_DECL_PCLOSE
 925 _GL_WARN_ON_USE (pclose, "pclose is unportable - "
 926                  "use gnulib module pclose for more portability");
 927 # endif
 928 #endif
 929
 930 #if @GNULIB_PERROR@
 931 /* Print a message to standard error, describing the value of ERRNO,
 932    (if STRING is not NULL and not empty) prefixed with STRING and ": ",
 933    and terminated with a newline.  */
 934 # if @REPLACE_PERROR@
 935 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 936 #   define perror rpl_perror
 937 #  endif
 938 _GL_FUNCDECL_RPL (perror, void, (const char *string));
 939 _GL_CXXALIAS_RPL (perror, void, (const char *string));
 940 # else
 941 _GL_CXXALIAS_SYS (perror, void, (const char *string));
 942 # endif
 943 # if __GLIBC__ >= 2
 944 _GL_CXXALIASWARN (perror);
 945 # endif
 946 #elif defined GNULIB_POSIXCHECK
 947 # undef perror
 948 /* Assume perror is always declared.  */
 949 _GL_WARN_ON_USE (perror, "perror is not always POSIX compliant - "
 950                  "use gnulib module perror for portability");
 951 #endif
 952
 953 #if @GNULIB_POPEN@
 954 # if @REPLACE_POPEN@
 955 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 956 #   undef popen
 957 #   define popen rpl_popen
 958 #  endif
 959 _GL_FUNCDECL_RPL (popen, FILE *, (const char *cmd, const char *mode)
 960                                  _GL_ARG_NONNULL ((1, 2)));
 961 _GL_CXXALIAS_RPL (popen, FILE *, (const char *cmd, const char *mode));
 962 # else
 963 #  if !@HAVE_POPEN@
 964 _GL_FUNCDECL_SYS (popen, FILE *, (const char *cmd, const char *mode)
 965                                  _GL_ARG_NONNULL ((1, 2)));
 966 #  endif
 967 _GL_CXXALIAS_SYS (popen, FILE *, (const char *cmd, const char *mode));
 968 # endif
 969 _GL_CXXALIASWARN (popen);
 970 #elif defined GNULIB_POSIXCHECK
 971 # undef popen
 972 # if HAVE_RAW_DECL_POPEN
 973 _GL_WARN_ON_USE (popen, "popen is buggy on some platforms - "
 974                  "use gnulib module popen or pipe for more portability");
 975 # endif
 976 #endif
 977
 978 #if @GNULIB_PRINTF_POSIX@ || @GNULIB_PRINTF@
 979 # if (@GNULIB_PRINTF_POSIX@ && @REPLACE_PRINTF@) \
 980      || (@GNULIB_PRINTF@ && @REPLACE_STDIO_WRITE_FUNCS@ && (@GNULIB_STDIO_H_NONBLOCKING@ || @GNULIB_STDIO_H_SIGPIPE@))
 981 #  if defined __GNUC__ || defined __clang__
 982 #   if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 983 /* Don't break __attribute__((format(printf,M,N))).  */
 984 #    define printf __printf__
 985 #   endif
 986 #   if @GNULIB_PRINTF_POSIX@ || @GNULIB_VFPRINTF_POSIX@
 987 _GL_FUNCDECL_RPL_1 (__printf__, int,
 988                     (const char *restrict format, ...)
 989                     __asm__ (@ASM_SYMBOL_PREFIX@
 990                              _GL_STDIO_MACROEXPAND_AND_STRINGIZE(rpl_printf))
 991                     _GL_ATTRIBUTE_FORMAT_PRINTF_STANDARD (1, 2)
 992                     _GL_ARG_NONNULL ((1)));
 993 #   else
 994 _GL_FUNCDECL_RPL_1 (__printf__, int,
 995                     (const char *restrict format, ...)
 996                     __asm__ (@ASM_SYMBOL_PREFIX@
 997                              _GL_STDIO_MACROEXPAND_AND_STRINGIZE(rpl_printf))
 998                     _GL_ATTRIBUTE_FORMAT_PRINTF_SYSTEM (1, 2)
 999                     _GL_ARG_NONNULL ((1)));
1000 #   endif
1001 _GL_CXXALIAS_RPL_1 (printf, __printf__, int, (const char *format, ...));
1002 #  else
1003 #   if !(defined __cplusplus && defined GNULIB_NAMESPACE)
1004 #    define printf rpl_printf
1005 #   endif
1006 _GL_FUNCDECL_RPL (printf, int,
1007                   (const char *restrict format, ...)
1008                   _GL_ATTRIBUTE_FORMAT_PRINTF_STANDARD (1, 2)
1009                   _GL_ARG_NONNULL ((1)));
1010 _GL_CXXALIAS_RPL (printf, int, (const char *restrict format, ...));
1011 #  endif
1012 #  define GNULIB_overrides_printf 1
1013 # else
1014 _GL_CXXALIAS_SYS (printf, int, (const char *restrict format, ...));
1015 # endif
1016 # if __GLIBC__ >= 2
1017 _GL_CXXALIASWARN (printf);
1018 # endif
1019 #endif
1020 #if !@GNULIB_PRINTF_POSIX@ && defined GNULIB_POSIXCHECK
1021 # if !GNULIB_overrides_printf
1022 #  undef printf
1023 # endif
1024 /* Assume printf is always declared.  */
1025 _GL_WARN_ON_USE (printf, "printf is not always POSIX compliant - "
1026                  "use gnulib module printf-posix for portable "
1027                  "POSIX compliance");
1028 #endif
1029
1030 #if @GNULIB_PUTC@
1031 # if @REPLACE_STDIO_WRITE_FUNCS@ && (@GNULIB_STDIO_H_NONBLOCKING@ || @GNULIB_STDIO_H_SIGPIPE@)
1032 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
1033 #   undef putc
1034 #   define putc rpl_fputc
1035 #  endif
1036 _GL_FUNCDECL_RPL (fputc, int, (int c, FILE *stream) _GL_ARG_NONNULL ((2)));
1037 _GL_CXXALIAS_RPL_1 (putc, rpl_fputc, int, (int c, FILE *stream));
1038 # else
1039 _GL_CXXALIAS_SYS (putc, int, (int c, FILE *stream));
1040 # endif
1041 # if __GLIBC__ >= 2
1042 _GL_CXXALIASWARN (putc);
1043 # endif
1044 #endif
1045
1046 #if @GNULIB_PUTCHAR@
1047 # if @REPLACE_STDIO_WRITE_FUNCS@ && (@GNULIB_STDIO_H_NONBLOCKING@ || @GNULIB_STDIO_H_SIGPIPE@)
1048 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
1049 #   undef putchar
1050 #   define putchar rpl_putchar
1051 #  endif
1052 _GL_FUNCDECL_RPL (putchar, int, (int c));
1053 _GL_CXXALIAS_RPL (putchar, int, (int c));
1054 # else
1055 _GL_CXXALIAS_SYS (putchar, int, (int c));
1056 # endif
1057 # if __GLIBC__ >= 2
1058 _GL_CXXALIASWARN (putchar);
1059 # endif
1060 #endif
1061
1062 #if @GNULIB_PUTS@
1063 # if @REPLACE_STDIO_WRITE_FUNCS@ && (@GNULIB_STDIO_H_NONBLOCKING@ || @GNULIB_STDIO_H_SIGPIPE@)
1064 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
1065 #   undef puts
1066 #   define puts rpl_puts
1067 #  endif
1068 _GL_FUNCDECL_RPL (puts, int, (const char *string) _GL_ARG_NONNULL ((1)));
1069 _GL_CXXALIAS_RPL (puts, int, (const char *string));
1070 # else
1071 _GL_CXXALIAS_SYS (puts, int, (const char *string));
1072 # endif
1073 # if __GLIBC__ >= 2
1074 _GL_CXXALIASWARN (puts);
1075 # endif
1076 #endif
1077
1078 #if defined _WIN32 && !defined __CYGWIN__
1079 # undef putw
1080 # define putw _putw
1081 #endif
1082
1083 #if @GNULIB_REMOVE@
1084 # if @REPLACE_REMOVE@
1085 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
1086 #   undef remove
1087 #   define remove rpl_remove
1088 #  endif
1089 _GL_FUNCDECL_RPL (remove, int, (const char *name) _GL_ARG_NONNULL ((1)));
1090 _GL_CXXALIAS_RPL (remove, int, (const char *name));
1091 # else
1092 _GL_CXXALIAS_SYS (remove, int, (const char *name));
1093 # endif
1094 # if __GLIBC__ >= 2
1095 _GL_CXXALIASWARN (remove);
1096 # endif
1097 #elif defined GNULIB_POSIXCHECK
1098 # undef remove
1099 /* Assume remove is always declared.  */
1100 _GL_WARN_ON_USE (remove, "remove cannot handle directories on some platforms - "
1101                  "use gnulib module remove for more portability");
1102 #endif
1103
1104 #if @GNULIB_RENAME@
1105 # if @REPLACE_RENAME@
1106 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
1107 #   undef rename
1108 #   define rename rpl_rename
1109 #  endif
1110 _GL_FUNCDECL_RPL (rename, int,
1111                   (const char *old_filename, const char *new_filename)
1112                   _GL_ARG_NONNULL ((1, 2)));
1113 _GL_CXXALIAS_RPL (rename, int,
1114                   (const char *old_filename, const char *new_filename));
1115 # else
1116 _GL_CXXALIAS_SYS (rename, int,
1117                   (const char *old_filename, const char *new_filename));
1118 # endif
1119 # if __GLIBC__ >= 2
1120 _GL_CXXALIASWARN (rename);
1121 # endif
1122 #elif defined GNULIB_POSIXCHECK
1123 # undef rename
1124 /* Assume rename is always declared.  */
1125 _GL_WARN_ON_USE (rename, "rename is buggy on some platforms - "
1126                  "use gnulib module rename for more portability");
1127 #endif
1128
1129 #if @GNULIB_RENAMEAT@
1130 # if @REPLACE_RENAMEAT@
1131 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
1132 #   undef renameat
1133 #   define renameat rpl_renameat
1134 #  endif
1135 _GL_FUNCDECL_RPL (renameat, int,
1136                   (int fd1, char const *file1, int fd2, char const *file2)
1137                   _GL_ARG_NONNULL ((2, 4)));
1138 _GL_CXXALIAS_RPL (renameat, int,
1139                   (int fd1, char const *file1, int fd2, char const *file2));
1140 # else
1141 #  if !@HAVE_RENAMEAT@
1142 _GL_FUNCDECL_SYS (renameat, int,
1143                   (int fd1, char const *file1, int fd2, char const *file2)
1144                   _GL_ARG_NONNULL ((2, 4)));
1145 #  endif
1146 _GL_CXXALIAS_SYS (renameat, int,
1147                   (int fd1, char const *file1, int fd2, char const *file2));
1148 # endif
1149 _GL_CXXALIASWARN (renameat);
1150 #elif defined GNULIB_POSIXCHECK
1151 # undef renameat
1152 # if HAVE_RAW_DECL_RENAMEAT
1153 _GL_WARN_ON_USE (renameat, "renameat is not portable - "
1154                  "use gnulib module renameat for portability");
1155 # endif
1156 #endif
1157
1158 #if @GNULIB_SCANF@
1159 # if @REPLACE_STDIO_READ_FUNCS@ && @GNULIB_STDIO_H_NONBLOCKING@
1160 #  if defined __GNUC__ || defined __clang__
1161 #   if !(defined __cplusplus && defined GNULIB_NAMESPACE)
1162 #    undef scanf
1163 /* Don't break __attribute__((format(scanf,M,N))).  */
1164 #    define scanf __scanf__
1165 #   endif
1166 _GL_FUNCDECL_RPL_1 (__scanf__, int,
1167                     (const char *restrict format, ...)
1168                     __asm__ (@ASM_SYMBOL_PREFIX@
1169                              _GL_STDIO_MACROEXPAND_AND_STRINGIZE(rpl_scanf))
1170                     _GL_ATTRIBUTE_FORMAT_SCANF_SYSTEM (1, 2)
1171                     _GL_ARG_NONNULL ((1)));
1172 _GL_CXXALIAS_RPL_1 (scanf, __scanf__, int, (const char *restrict format, ...));
1173 #  else
1174 #   if !(defined __cplusplus && defined GNULIB_NAMESPACE)
1175 #    undef scanf
1176 #    define scanf rpl_scanf
1177 #   endif
1178 _GL_FUNCDECL_RPL (scanf, int, (const char *restrict format, ...)
1179                               _GL_ATTRIBUTE_FORMAT_SCANF_SYSTEM (1, 2)
1180                               _GL_ARG_NONNULL ((1)));
1181 _GL_CXXALIAS_RPL (scanf, int, (const char *restrict format, ...));
1182 #  endif
1183 # else
1184 _GL_CXXALIAS_SYS (scanf, int, (const char *restrict format, ...));
1185 # endif
1186 # if __GLIBC__ >= 2
1187 _GL_CXXALIASWARN (scanf);
1188 # endif
1189 #endif
1190
1191 #if @GNULIB_SNPRINTF@
1192 # if @REPLACE_SNPRINTF@
1193 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
1194 #   define snprintf rpl_snprintf
1195 #  endif
1196 _GL_FUNCDECL_RPL (snprintf, int,
1197                   (char *restrict str, size_t size,
1198                    const char *restrict format, ...)
1199                   _GL_ATTRIBUTE_FORMAT_PRINTF_STANDARD (3, 4)
1200                   _GL_ARG_NONNULL ((3)));
1201 _GL_CXXALIAS_RPL (snprintf, int,
1202                   (char *restrict str, size_t size,
1203                    const char *restrict format, ...));
1204 # else
1205 #  if !@HAVE_DECL_SNPRINTF@
1206 _GL_FUNCDECL_SYS (snprintf, int,
1207                   (char *restrict str, size_t size,
1208                    const char *restrict format, ...)
1209                   _GL_ATTRIBUTE_FORMAT_PRINTF_STANDARD (3, 4)
1210                   _GL_ARG_NONNULL ((3)));
1211 #  endif
1212 _GL_CXXALIAS_SYS (snprintf, int,
1213                   (char *restrict str, size_t size,
1214                    const char *restrict format, ...));
1215 # endif
1216 # if __GLIBC__ >= 2
1217 _GL_CXXALIASWARN (snprintf);
1218 # endif
1219 #elif defined GNULIB_POSIXCHECK
1220 # undef snprintf
1221 # if HAVE_RAW_DECL_SNPRINTF
1222 _GL_WARN_ON_USE (snprintf, "snprintf is unportable - "
1223                  "use gnulib module snprintf for portability");
1224 # endif
1225 #endif
1226
1227 /* Some people would argue that all sprintf uses should be warned about
1228    (for example, OpenBSD issues a link warning for it),
1229    since it can cause security holes due to buffer overruns.
1230    However, we believe that sprintf can be used safely, and is more
1231    efficient than snprintf in those safe cases; and as proof of our
1232    belief, we use sprintf in several gnulib modules.  So this header
1233    intentionally avoids adding a warning to sprintf except when
1234    GNULIB_POSIXCHECK is defined.  */
1235
1236 #if @GNULIB_SPRINTF_POSIX@
1237 # if @REPLACE_SPRINTF@
1238 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
1239 #   define sprintf rpl_sprintf
1240 #  endif
1241 _GL_FUNCDECL_RPL (sprintf, int,
1242                   (char *restrict str, const char *restrict format, ...)
1243                   _GL_ATTRIBUTE_FORMAT_PRINTF_STANDARD (2, 3)
1244                   _GL_ARG_NONNULL ((1, 2)));
1245 _GL_CXXALIAS_RPL (sprintf, int,
1246                   (char *restrict str, const char *restrict format, ...));
1247 # else
1248 _GL_CXXALIAS_SYS (sprintf, int,
1249                   (char *restrict str, const char *restrict format, ...));
1250 # endif
1251 # if __GLIBC__ >= 2
1252 _GL_CXXALIASWARN (sprintf);
1253 # endif
1254 #elif defined GNULIB_POSIXCHECK
1255 # undef sprintf
1256 /* Assume sprintf is always declared.  */
1257 _GL_WARN_ON_USE (sprintf, "sprintf is not always POSIX compliant - "
1258                  "use gnulib module sprintf-posix for portable "
1259                  "POSIX compliance");
1260 #endif
1261
1262 #if defined _WIN32 && !defined __CYGWIN__
1263 # undef tempnam
1264 # define tempnam _tempnam
1265 #endif
1266
1267 #if @GNULIB_TMPFILE@
1268 # if @REPLACE_TMPFILE@
1269 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
1270 #   define tmpfile rpl_tmpfile
1271 #  endif
1272 _GL_FUNCDECL_RPL (tmpfile, FILE *, (void));
1273 _GL_CXXALIAS_RPL (tmpfile, FILE *, (void));
1274 # else
1275 _GL_CXXALIAS_SYS (tmpfile, FILE *, (void));
1276 # endif
1277 # if __GLIBC__ >= 2
1278 _GL_CXXALIASWARN (tmpfile);
1279 # endif
1280 #elif defined GNULIB_POSIXCHECK
1281 # undef tmpfile
1282 # if HAVE_RAW_DECL_TMPFILE
1283 _GL_WARN_ON_USE (tmpfile, "tmpfile is not usable on mingw - "
1284                  "use gnulib module tmpfile for portability");
1285 # endif
1286 #endif
1287
1288 #if @GNULIB_VASPRINTF@
1289 /* Write formatted output to a string dynamically allocated with malloc().
1290    If the memory allocation succeeds, store the address of the string in
1291    *RESULT and return the number of resulting bytes, excluding the trailing
1292    NUL.  Upon memory allocation error, or some other error, return -1.  */
1293 # if @REPLACE_VASPRINTF@
1294 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
1295 #   define asprintf rpl_asprintf
1296 #  endif
1297 _GL_FUNCDECL_RPL (asprintf, int,
1298                   (char **result, const char *format, ...)
1299                   _GL_ATTRIBUTE_FORMAT_PRINTF_STANDARD (2, 3)
1300                   _GL_ARG_NONNULL ((1, 2)));
1301 _GL_CXXALIAS_RPL (asprintf, int,
1302                   (char **result, const char *format, ...));
1303 # else
1304 #  if !@HAVE_VASPRINTF@
1305 _GL_FUNCDECL_SYS (asprintf, int,
1306                   (char **result, const char *format, ...)
1307                   _GL_ATTRIBUTE_FORMAT_PRINTF_STANDARD (2, 3)
1308                   _GL_ARG_NONNULL ((1, 2)));
1309 #  endif
1310 _GL_CXXALIAS_SYS (asprintf, int,
1311                   (char **result, const char *format, ...));
1312 # endif
1313 _GL_CXXALIASWARN (asprintf);
1314 # if @REPLACE_VASPRINTF@
1315 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
1316 #   define vasprintf rpl_vasprintf
1317 #  endif
1318 _GL_FUNCDECL_RPL (vasprintf, int,
1319                   (char **result, const char *format, va_list args)
1320                   _GL_ATTRIBUTE_FORMAT_PRINTF_STANDARD (2, 0)
1321                   _GL_ARG_NONNULL ((1, 2)));
1322 _GL_CXXALIAS_RPL (vasprintf, int,
1323                   (char **result, const char *format, va_list args));
1324 # else
1325 #  if !@HAVE_VASPRINTF@
1326 _GL_FUNCDECL_SYS (vasprintf, int,
1327                   (char **result, const char *format, va_list args)
1328                   _GL_ATTRIBUTE_FORMAT_PRINTF_STANDARD (2, 0)
1329                   _GL_ARG_NONNULL ((1, 2)));
1330 #  endif
1331 _GL_CXXALIAS_SYS (vasprintf, int,
1332                   (char **result, const char *format, va_list args));
1333 # endif
1334 _GL_CXXALIASWARN (vasprintf);
1335 #endif
1336
1337 #if @GNULIB_VDPRINTF@
1338 # if @REPLACE_VDPRINTF@
1339 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
1340 #   define vdprintf rpl_vdprintf
1341 #  endif
1342 _GL_FUNCDECL_RPL (vdprintf, int,
1343                   (int fd, const char *restrict format, va_list args)
1344                   _GL_ATTRIBUTE_FORMAT_PRINTF_STANDARD (2, 0)
1345                   _GL_ARG_NONNULL ((2)));
1346 _GL_CXXALIAS_RPL (vdprintf, int,
1347                   (int fd, const char *restrict format, va_list args));
1348 # else
1349 #  if !@HAVE_VDPRINTF@
1350 _GL_FUNCDECL_SYS (vdprintf, int,
1351                   (int fd, const char *restrict format, va_list args)
1352                   _GL_ATTRIBUTE_FORMAT_PRINTF_STANDARD (2, 0)
1353                   _GL_ARG_NONNULL ((2)));
1354 #  endif
1355 /* Need to cast, because on Solaris, the third parameter will likely be
1356                                                     __va_list args.  */
1357 _GL_CXXALIAS_SYS_CAST (vdprintf, int,
1358                        (int fd, const char *restrict format, va_list args));
1359 # endif
1360 # if __GLIBC__ >= 2
1361 _GL_CXXALIASWARN (vdprintf);
1362 # endif
1363 #elif defined GNULIB_POSIXCHECK
1364 # undef vdprintf
1365 # if HAVE_RAW_DECL_VDPRINTF
1366 _GL_WARN_ON_USE (vdprintf, "vdprintf is unportable - "
1367                  "use gnulib module vdprintf for portability");
1368 # endif
1369 #endif
1370
1371 #if @GNULIB_VFPRINTF_POSIX@ || @GNULIB_VFPRINTF@
1372 # if (@GNULIB_VFPRINTF_POSIX@ && @REPLACE_VFPRINTF@) \
1373      || (@GNULIB_VFPRINTF@ && @REPLACE_STDIO_WRITE_FUNCS@ && (@GNULIB_STDIO_H_NONBLOCKING@ || @GNULIB_STDIO_H_SIGPIPE@))
1374 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
1375 #   define vfprintf rpl_vfprintf
1376 #  endif
1377 #  define GNULIB_overrides_vfprintf 1
1378 #  if @GNULIB_VFPRINTF_POSIX@
1379 _GL_FUNCDECL_RPL (vfprintf, int,
1380                   (FILE *restrict fp,
1381                    const char *restrict format, va_list args)
1382                   _GL_ATTRIBUTE_FORMAT_PRINTF_STANDARD (2, 0)
1383                   _GL_ARG_NONNULL ((1, 2)));
1384 #  else
1385 _GL_FUNCDECL_RPL (vfprintf, int,
1386                   (FILE *restrict fp,
1387                    const char *restrict format, va_list args)
1388                   _GL_ATTRIBUTE_FORMAT_PRINTF_SYSTEM (2, 0)
1389                   _GL_ARG_NONNULL ((1, 2)));
1390 #  endif
1391 _GL_CXXALIAS_RPL (vfprintf, int,
1392                   (FILE *restrict fp,
1393                    const char *restrict format, va_list args));
1394 # else
1395 /* Need to cast, because on Solaris, the third parameter is
1396                                                       __va_list args
1397    and GCC's fixincludes did not change this to __gnuc_va_list.  */
1398 _GL_CXXALIAS_SYS_CAST (vfprintf, int,
1399                        (FILE *restrict fp,
1400                         const char *restrict format, va_list args));
1401 # endif
1402 # if __GLIBC__ >= 2
1403 _GL_CXXALIASWARN (vfprintf);
1404 # endif
1405 #endif
1406 #if !@GNULIB_VFPRINTF_POSIX@ && defined GNULIB_POSIXCHECK
1407 # if !GNULIB_overrides_vfprintf
1408 #  undef vfprintf
1409 # endif
1410 /* Assume vfprintf is always declared.  */
1411 _GL_WARN_ON_USE (vfprintf, "vfprintf is not always POSIX compliant - "
1412                  "use gnulib module vfprintf-posix for portable "
1413                       "POSIX compliance");
1414 #endif
1415
1416 #if @GNULIB_VFSCANF@
1417 # if @REPLACE_STDIO_READ_FUNCS@ && @GNULIB_STDIO_H_NONBLOCKING@
1418 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
1419 #   undef vfscanf
1420 #   define vfscanf rpl_vfscanf
1421 #  endif
1422 _GL_FUNCDECL_RPL (vfscanf, int,
1423                   (FILE *restrict stream,
1424                    const char *restrict format, va_list args)
1425                   _GL_ATTRIBUTE_FORMAT_SCANF_SYSTEM (2, 0)
1426                   _GL_ARG_NONNULL ((1, 2)));
1427 _GL_CXXALIAS_RPL (vfscanf, int,
1428                   (FILE *restrict stream,
1429                    const char *restrict format, va_list args));
1430 # else
1431 _GL_CXXALIAS_SYS (vfscanf, int,
1432                   (FILE *restrict stream,
1433                    const char *restrict format, va_list args));
1434 # endif
1435 # if __GLIBC__ >= 2
1436 _GL_CXXALIASWARN (vfscanf);
1437 # endif
1438 #endif
1439
1440 #if @GNULIB_VPRINTF_POSIX@ || @GNULIB_VPRINTF@
1441 # if (@GNULIB_VPRINTF_POSIX@ && @REPLACE_VPRINTF@) \
1442      || (@GNULIB_VPRINTF@ && @REPLACE_STDIO_WRITE_FUNCS@ && (@GNULIB_STDIO_H_NONBLOCKING@ || @GNULIB_STDIO_H_SIGPIPE@))
1443 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
1444 #   define vprintf rpl_vprintf
1445 #  endif
1446 #  define GNULIB_overrides_vprintf 1
1447 #  if @GNULIB_VPRINTF_POSIX@ || @GNULIB_VFPRINTF_POSIX@
1448 _GL_FUNCDECL_RPL (vprintf, int, (const char *restrict format, va_list args)
1449                                 _GL_ATTRIBUTE_FORMAT_PRINTF_STANDARD (1, 0)
1450                                 _GL_ARG_NONNULL ((1)));
1451 #  else
1452 _GL_FUNCDECL_RPL (vprintf, int, (const char *restrict format, va_list args)
1453                                 _GL_ATTRIBUTE_FORMAT_PRINTF_SYSTEM (1, 0)
1454                                 _GL_ARG_NONNULL ((1)));
1455 #  endif
1456 _GL_CXXALIAS_RPL (vprintf, int, (const char *restrict format, va_list args));
1457 # else
1458 /* Need to cast, because on Solaris, the second parameter is
1459                                                           __va_list args
1460    and GCC's fixincludes did not change this to __gnuc_va_list.  */
1461 _GL_CXXALIAS_SYS_CAST (vprintf, int,
1462                        (const char *restrict format, va_list args));
1463 # endif
1464 # if __GLIBC__ >= 2
1465 _GL_CXXALIASWARN (vprintf);
1466 # endif
1467 #endif
1468 #if !@GNULIB_VPRINTF_POSIX@ && defined GNULIB_POSIXCHECK
1469 # if !GNULIB_overrides_vprintf
1470 #  undef vprintf
1471 # endif
1472 /* Assume vprintf is always declared.  */
1473 _GL_WARN_ON_USE (vprintf, "vprintf is not always POSIX compliant - "
1474                  "use gnulib module vprintf-posix for portable "
1475                  "POSIX compliance");
1476 #endif
1477
1478 #if @GNULIB_VSCANF@
1479 # if @REPLACE_STDIO_READ_FUNCS@ && @GNULIB_STDIO_H_NONBLOCKING@
1480 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
1481 #   undef vscanf
1482 #   define vscanf rpl_vscanf
1483 #  endif
1484 _GL_FUNCDECL_RPL (vscanf, int, (const char *restrict format, va_list args)
1485                                _GL_ATTRIBUTE_FORMAT_SCANF_SYSTEM (1, 0)
1486                                _GL_ARG_NONNULL ((1)));
1487 _GL_CXXALIAS_RPL (vscanf, int, (const char *restrict format, va_list args));
1488 # else
1489 _GL_CXXALIAS_SYS (vscanf, int, (const char *restrict format, va_list args));
1490 # endif
1491 # if __GLIBC__ >= 2
1492 _GL_CXXALIASWARN (vscanf);
1493 # endif
1494 #endif
1495
1496 #if @GNULIB_VSNPRINTF@
1497 # if @REPLACE_VSNPRINTF@
1498 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
1499 #   define vsnprintf rpl_vsnprintf
1500 #  endif
1501 _GL_FUNCDECL_RPL (vsnprintf, int,
1502                   (char *restrict str, size_t size,
1503                    const char *restrict format, va_list args)
1504                   _GL_ATTRIBUTE_FORMAT_PRINTF_STANDARD (3, 0)
1505                   _GL_ARG_NONNULL ((3)));
1506 _GL_CXXALIAS_RPL (vsnprintf, int,
1507                   (char *restrict str, size_t size,
1508                    const char *restrict format, va_list args));
1509 # else
1510 #  if !@HAVE_DECL_VSNPRINTF@
1511 _GL_FUNCDECL_SYS (vsnprintf, int,
1512                   (char *restrict str, size_t size,
1513                    const char *restrict format, va_list args)
1514                   _GL_ATTRIBUTE_FORMAT_PRINTF_STANDARD (3, 0)
1515                   _GL_ARG_NONNULL ((3)));
1516 #  endif
1517 _GL_CXXALIAS_SYS (vsnprintf, int,
1518                   (char *restrict str, size_t size,
1519                    const char *restrict format, va_list args));
1520 # endif
1521 # if __GLIBC__ >= 2
1522 _GL_CXXALIASWARN (vsnprintf);
1523 # endif
1524 #elif defined GNULIB_POSIXCHECK
1525 # undef vsnprintf
1526 # if HAVE_RAW_DECL_VSNPRINTF
1527 _GL_WARN_ON_USE (vsnprintf, "vsnprintf is unportable - "
1528                  "use gnulib module vsnprintf for portability");
1529 # endif
1530 #endif
1531
1532 #if @GNULIB_VSPRINTF_POSIX@
1533 # if @REPLACE_VSPRINTF@
1534 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
1535 #   define vsprintf rpl_vsprintf
1536 #  endif
1537 _GL_FUNCDECL_RPL (vsprintf, int,
1538                   (char *restrict str,
1539                    const char *restrict format, va_list args)
1540                   _GL_ATTRIBUTE_FORMAT_PRINTF_STANDARD (2, 0)
1541                   _GL_ARG_NONNULL ((1, 2)));
1542 _GL_CXXALIAS_RPL (vsprintf, int,
1543                   (char *restrict str,
1544                    const char *restrict format, va_list args));
1545 # else
1546 /* Need to cast, because on Solaris, the third parameter is
1547                                                        __va_list args
1548    and GCC's fixincludes did not change this to __gnuc_va_list.  */
1549 _GL_CXXALIAS_SYS_CAST (vsprintf, int,
1550                        (char *restrict str,
1551                         const char *restrict format, va_list args));
1552 # endif
1553 # if __GLIBC__ >= 2
1554 _GL_CXXALIASWARN (vsprintf);
1555 # endif
1556 #elif defined GNULIB_POSIXCHECK
1557 # undef vsprintf
1558 /* Assume vsprintf is always declared.  */
1559 _GL_WARN_ON_USE (vsprintf, "vsprintf is not always POSIX compliant - "
1560                  "use gnulib module vsprintf-posix for portable "
1561                       "POSIX compliance");
1562 #endif
1563
1564 #endif /* _@GUARD_PREFIX@_STDIO_H */
1565 #endif /* _@GUARD_PREFIX@_STDIO_H */
1566 #endif