code.delx.au - gnu-emacs/blob - lib/stdlib.in.h

   1 /* A GNU-like <stdlib.h>.
   2
   3    Copyright (C) 1995, 2001-2004, 2006-2015 Free Software Foundation,
   4    Inc.
   5
   6    This program is free software: you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 3 of the License, or
   9    (at your option) any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  18
  19 #if __GNUC__ >= 3
  20 @PRAGMA_SYSTEM_HEADER@
  21 #endif
  22 @PRAGMA_COLUMNS@
  23
  24 #if defined __need_system_stdlib_h || defined __need_malloc_and_calloc
  25 /* Special invocation conventions inside some gnulib header files,
  26    and inside some glibc header files, respectively.  */
  27
  28 #@INCLUDE_NEXT@ @NEXT_STDLIB_H@
  29
  30 #else
  31 /* Normal invocation convention.  */
  32
  33 #ifndef _@GUARD_PREFIX@_STDLIB_H
  34
  35 /* The include_next requires a split double-inclusion guard.  */
  36 #@INCLUDE_NEXT@ @NEXT_STDLIB_H@
  37
  38 #ifndef _@GUARD_PREFIX@_STDLIB_H
  39 #define _@GUARD_PREFIX@_STDLIB_H
  40
  41 /* NetBSD 5.0 mis-defines NULL.  */
  42 #include <stddef.h>
  43
  44 /* MirBSD 10 defines WEXITSTATUS in <sys/wait.h>, not in <stdlib.h>.  */
  45 #if @GNULIB_SYSTEM_POSIX@ && !defined WEXITSTATUS
  46 # include <sys/wait.h>
  47 #endif
  48
  49 /* Solaris declares getloadavg() in <sys/loadavg.h>.  */
  50 #if (@GNULIB_GETLOADAVG@ || defined GNULIB_POSIXCHECK) && @HAVE_SYS_LOADAVG_H@
  51 # include <sys/loadavg.h>
  52 #endif
  53
  54 /* Native Windows platforms declare mktemp() in <io.h>.  */
  55 #if 0 && ((defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__)
  56 # include <io.h>
  57 #endif
  58
  59 #if @GNULIB_RANDOM_R@
  60
  61 /* OSF/1 5.1 declares 'struct random_data' in <random.h>, which is included
  62    from <stdlib.h> if _REENTRANT is defined.  Include it whenever we need
  63    'struct random_data'.  */
  64 # if @HAVE_RANDOM_H@
  65 #  include <random.h>
  66 # endif
  67
  68 # if !@HAVE_STRUCT_RANDOM_DATA@ || @REPLACE_RANDOM_R@ || !@HAVE_RANDOM_R@
  69 #  include <stdint.h>
  70 # endif
  71
  72 # if !@HAVE_STRUCT_RANDOM_DATA@
  73 /* Define 'struct random_data'.
  74    But allow multiple gnulib generated <stdlib.h> replacements to coexist.  */
  75 #  if !GNULIB_defined_struct_random_data
  76 struct random_data
  77 {
  78   int32_t *fptr;                /* Front pointer.  */
  79   int32_t *rptr;                /* Rear pointer.  */
  80   int32_t *state;               /* Array of state values.  */
  81   int rand_type;                /* Type of random number generator.  */
  82   int rand_deg;                 /* Degree of random number generator.  */
  83   int rand_sep;                 /* Distance between front and rear.  */
  84   int32_t *end_ptr;             /* Pointer behind state table.  */
  85 };
  86 #   define GNULIB_defined_struct_random_data 1
  87 #  endif
  88 # endif
  89 #endif
  90
  91 #if (@GNULIB_MKSTEMP@ || @GNULIB_MKSTEMPS@ || @GNULIB_GETSUBOPT@ || defined GNULIB_POSIXCHECK) && ! defined __GLIBC__ && !((defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__)
  92 /* On Mac OS X 10.3, only <unistd.h> declares mkstemp.  */
  93 /* On Mac OS X 10.5, only <unistd.h> declares mkstemps.  */
  94 /* On Cygwin 1.7.1, only <unistd.h> declares getsubopt.  */
  95 /* But avoid namespace pollution on glibc systems and native Windows.  */
  96 # include <unistd.h>
  97 #endif
  98
  99 /* The __attribute__ feature is available in gcc versions 2.5 and later.
 100    The attribute __pure__ was added in gcc 2.96.  */
 101 #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 96)
 102 # define _GL_ATTRIBUTE_PURE __attribute__ ((__pure__))
 103 #else
 104 # define _GL_ATTRIBUTE_PURE /* empty */
 105 #endif
 106
 107 /* The definition of _Noreturn is copied here.  */
 108
 109 /* The definitions of _GL_FUNCDECL_RPL etc. are copied here.  */
 110
 111 /* The definition of _GL_ARG_NONNULL is copied here.  */
 112
 113 /* The definition of _GL_WARN_ON_USE is copied here.  */
 114
 115
 116 /* Some systems do not define EXIT_*, despite otherwise supporting C89.  */
 117 #ifndef EXIT_SUCCESS
 118 # define EXIT_SUCCESS 0
 119 #endif
 120 /* Tandem/NSK and other platforms that define EXIT_FAILURE as -1 interfere
 121    with proper operation of xargs.  */
 122 #ifndef EXIT_FAILURE
 123 # define EXIT_FAILURE 1
 124 #elif EXIT_FAILURE != 1
 125 # undef EXIT_FAILURE
 126 # define EXIT_FAILURE 1
 127 #endif
 128
 129
 130 #if @GNULIB__EXIT@
 131 /* Terminate the current process with the given return code, without running
 132    the 'atexit' handlers.  */
 133 # if !@HAVE__EXIT@
 134 _GL_FUNCDECL_SYS (_Exit, _Noreturn void, (int status));
 135 # endif
 136 _GL_CXXALIAS_SYS (_Exit, void, (int status));
 137 _GL_CXXALIASWARN (_Exit);
 138 #elif defined GNULIB_POSIXCHECK
 139 # undef _Exit
 140 # if HAVE_RAW_DECL__EXIT
 141 _GL_WARN_ON_USE (_Exit, "_Exit is unportable - "
 142                  "use gnulib module _Exit for portability");
 143 # endif
 144 #endif
 145
 146
 147 #if @GNULIB_ATOLL@
 148 /* Parse a signed decimal integer.
 149    Returns the value of the integer.  Errors are not detected.  */
 150 # if !@HAVE_ATOLL@
 151 _GL_FUNCDECL_SYS (atoll, long long, (const char *string)
 152                                     _GL_ATTRIBUTE_PURE
 153                                     _GL_ARG_NONNULL ((1)));
 154 # endif
 155 _GL_CXXALIAS_SYS (atoll, long long, (const char *string));
 156 _GL_CXXALIASWARN (atoll);
 157 #elif defined GNULIB_POSIXCHECK
 158 # undef atoll
 159 # if HAVE_RAW_DECL_ATOLL
 160 _GL_WARN_ON_USE (atoll, "atoll is unportable - "
 161                  "use gnulib module atoll for portability");
 162 # endif
 163 #endif
 164
 165 #if @GNULIB_CALLOC_POSIX@
 166 # if @REPLACE_CALLOC@
 167 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 168 #   undef calloc
 169 #   define calloc rpl_calloc
 170 #  endif
 171 _GL_FUNCDECL_RPL (calloc, void *, (size_t nmemb, size_t size));
 172 _GL_CXXALIAS_RPL (calloc, void *, (size_t nmemb, size_t size));
 173 # else
 174 _GL_CXXALIAS_SYS (calloc, void *, (size_t nmemb, size_t size));
 175 # endif
 176 _GL_CXXALIASWARN (calloc);
 177 #elif defined GNULIB_POSIXCHECK
 178 # undef calloc
 179 /* Assume calloc is always declared.  */
 180 _GL_WARN_ON_USE (calloc, "calloc is not POSIX compliant everywhere - "
 181                  "use gnulib module calloc-posix for portability");
 182 #endif
 183
 184 #if @GNULIB_CANONICALIZE_FILE_NAME@
 185 # if @REPLACE_CANONICALIZE_FILE_NAME@
 186 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 187 #   define canonicalize_file_name rpl_canonicalize_file_name
 188 #  endif
 189 _GL_FUNCDECL_RPL (canonicalize_file_name, char *, (const char *name)
 190                                                   _GL_ARG_NONNULL ((1)));
 191 _GL_CXXALIAS_RPL (canonicalize_file_name, char *, (const char *name));
 192 # else
 193 #  if !@HAVE_CANONICALIZE_FILE_NAME@
 194 _GL_FUNCDECL_SYS (canonicalize_file_name, char *, (const char *name)
 195                                                   _GL_ARG_NONNULL ((1)));
 196 #  endif
 197 _GL_CXXALIAS_SYS (canonicalize_file_name, char *, (const char *name));
 198 # endif
 199 _GL_CXXALIASWARN (canonicalize_file_name);
 200 #elif defined GNULIB_POSIXCHECK
 201 # undef canonicalize_file_name
 202 # if HAVE_RAW_DECL_CANONICALIZE_FILE_NAME
 203 _GL_WARN_ON_USE (canonicalize_file_name,
 204                  "canonicalize_file_name is unportable - "
 205                  "use gnulib module canonicalize-lgpl for portability");
 206 # endif
 207 #endif
 208
 209 #if @GNULIB_GETLOADAVG@
 210 /* Store max(NELEM,3) load average numbers in LOADAVG[].
 211    The three numbers are the load average of the last 1 minute, the last 5
 212    minutes, and the last 15 minutes, respectively.
 213    LOADAVG is an array of NELEM numbers.  */
 214 # if !@HAVE_DECL_GETLOADAVG@
 215 _GL_FUNCDECL_SYS (getloadavg, int, (double loadavg[], int nelem)
 216                                    _GL_ARG_NONNULL ((1)));
 217 # endif
 218 _GL_CXXALIAS_SYS (getloadavg, int, (double loadavg[], int nelem));
 219 _GL_CXXALIASWARN (getloadavg);
 220 #elif defined GNULIB_POSIXCHECK
 221 # undef getloadavg
 222 # if HAVE_RAW_DECL_GETLOADAVG
 223 _GL_WARN_ON_USE (getloadavg, "getloadavg is not portable - "
 224                  "use gnulib module getloadavg for portability");
 225 # endif
 226 #endif
 227
 228 #if @GNULIB_GETSUBOPT@
 229 /* Assuming *OPTIONP is a comma separated list of elements of the form
 230    "token" or "token=value", getsubopt parses the first of these elements.
 231    If the first element refers to a "token" that is member of the given
 232    NULL-terminated array of tokens:
 233      - It replaces the comma with a NUL byte, updates *OPTIONP to point past
 234        the first option and the comma, sets *VALUEP to the value of the
 235        element (or NULL if it doesn't contain an "=" sign),
 236      - It returns the index of the "token" in the given array of tokens.
 237    Otherwise it returns -1, and *OPTIONP and *VALUEP are undefined.
 238    For more details see the POSIX:2001 specification.
 239    http://www.opengroup.org/susv3xsh/getsubopt.html */
 240 # if !@HAVE_GETSUBOPT@
 241 _GL_FUNCDECL_SYS (getsubopt, int,
 242                   (char **optionp, char *const *tokens, char **valuep)
 243                   _GL_ARG_NONNULL ((1, 2, 3)));
 244 # endif
 245 _GL_CXXALIAS_SYS (getsubopt, int,
 246                   (char **optionp, char *const *tokens, char **valuep));
 247 _GL_CXXALIASWARN (getsubopt);
 248 #elif defined GNULIB_POSIXCHECK
 249 # undef getsubopt
 250 # if HAVE_RAW_DECL_GETSUBOPT
 251 _GL_WARN_ON_USE (getsubopt, "getsubopt is unportable - "
 252                  "use gnulib module getsubopt for portability");
 253 # endif
 254 #endif
 255
 256 #if @GNULIB_GRANTPT@
 257 /* Change the ownership and access permission of the slave side of the
 258    pseudo-terminal whose master side is specified by FD.  */
 259 # if !@HAVE_GRANTPT@
 260 _GL_FUNCDECL_SYS (grantpt, int, (int fd));
 261 # endif
 262 _GL_CXXALIAS_SYS (grantpt, int, (int fd));
 263 _GL_CXXALIASWARN (grantpt);
 264 #elif defined GNULIB_POSIXCHECK
 265 # undef grantpt
 266 # if HAVE_RAW_DECL_GRANTPT
 267 _GL_WARN_ON_USE (grantpt, "grantpt is not portable - "
 268                  "use gnulib module grantpt for portability");
 269 # endif
 270 #endif
 271
 272 /* If _GL_USE_STDLIB_ALLOC is nonzero, the including module does not
 273    rely on GNU or POSIX semantics for malloc and realloc (for example,
 274    by never specifying a zero size), so it does not need malloc or
 275    realloc to be redefined.  */
 276 #if @GNULIB_MALLOC_POSIX@
 277 # if @REPLACE_MALLOC@
 278 #  if !((defined __cplusplus && defined GNULIB_NAMESPACE) \
 279         || _GL_USE_STDLIB_ALLOC)
 280 #   undef malloc
 281 #   define malloc rpl_malloc
 282 #  endif
 283 _GL_FUNCDECL_RPL (malloc, void *, (size_t size));
 284 _GL_CXXALIAS_RPL (malloc, void *, (size_t size));
 285 # else
 286 _GL_CXXALIAS_SYS (malloc, void *, (size_t size));
 287 # endif
 288 _GL_CXXALIASWARN (malloc);
 289 #elif defined GNULIB_POSIXCHECK && !_GL_USE_STDLIB_ALLOC
 290 # undef malloc
 291 /* Assume malloc is always declared.  */
 292 _GL_WARN_ON_USE (malloc, "malloc is not POSIX compliant everywhere - "
 293                  "use gnulib module malloc-posix for portability");
 294 #endif
 295
 296 /* Convert a multibyte character to a wide character.  */
 297 #if @GNULIB_MBTOWC@
 298 # if @REPLACE_MBTOWC@
 299 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 300 #   undef mbtowc
 301 #   define mbtowc rpl_mbtowc
 302 #  endif
 303 _GL_FUNCDECL_RPL (mbtowc, int, (wchar_t *pwc, const char *s, size_t n));
 304 _GL_CXXALIAS_RPL (mbtowc, int, (wchar_t *pwc, const char *s, size_t n));
 305 # else
 306 _GL_CXXALIAS_SYS (mbtowc, int, (wchar_t *pwc, const char *s, size_t n));
 307 # endif
 308 _GL_CXXALIASWARN (mbtowc);
 309 #endif
 310
 311 #if @GNULIB_MKDTEMP@
 312 /* Create a unique temporary directory from TEMPLATE.
 313    The last six characters of TEMPLATE must be "XXXXXX";
 314    they are replaced with a string that makes the directory name unique.
 315    Returns TEMPLATE, or a null pointer if it cannot get a unique name.
 316    The directory is created mode 700.  */
 317 # if !@HAVE_MKDTEMP@
 318 _GL_FUNCDECL_SYS (mkdtemp, char *, (char * /*template*/) _GL_ARG_NONNULL ((1)));
 319 # endif
 320 _GL_CXXALIAS_SYS (mkdtemp, char *, (char * /*template*/));
 321 _GL_CXXALIASWARN (mkdtemp);
 322 #elif defined GNULIB_POSIXCHECK
 323 # undef mkdtemp
 324 # if HAVE_RAW_DECL_MKDTEMP
 325 _GL_WARN_ON_USE (mkdtemp, "mkdtemp is unportable - "
 326                  "use gnulib module mkdtemp for portability");
 327 # endif
 328 #endif
 329
 330 #if @GNULIB_MKOSTEMP@
 331 /* Create a unique temporary file from TEMPLATE.
 332    The last six characters of TEMPLATE must be "XXXXXX";
 333    they are replaced with a string that makes the file name unique.
 334    The flags are a bitmask, possibly including O_CLOEXEC (defined in <fcntl.h>)
 335    and O_TEXT, O_BINARY (defined in "binary-io.h").
 336    The file is then created, with the specified flags, ensuring it didn't exist
 337    before.
 338    The file is created read-write (mask at least 0600 & ~umask), but it may be
 339    world-readable and world-writable (mask 0666 & ~umask), depending on the
 340    implementation.
 341    Returns the open file descriptor if successful, otherwise -1 and errno
 342    set.  */
 343 # if !@HAVE_MKOSTEMP@
 344 _GL_FUNCDECL_SYS (mkostemp, int, (char * /*template*/, int /*flags*/)
 345                                  _GL_ARG_NONNULL ((1)));
 346 # endif
 347 _GL_CXXALIAS_SYS (mkostemp, int, (char * /*template*/, int /*flags*/));
 348 _GL_CXXALIASWARN (mkostemp);
 349 #elif defined GNULIB_POSIXCHECK
 350 # undef mkostemp
 351 # if HAVE_RAW_DECL_MKOSTEMP
 352 _GL_WARN_ON_USE (mkostemp, "mkostemp is unportable - "
 353                  "use gnulib module mkostemp for portability");
 354 # endif
 355 #endif
 356
 357 #if @GNULIB_MKOSTEMPS@
 358 /* Create a unique temporary file from TEMPLATE.
 359    The last six characters of TEMPLATE before a suffix of length
 360    SUFFIXLEN must be "XXXXXX";
 361    they are replaced with a string that makes the file name unique.
 362    The flags are a bitmask, possibly including O_CLOEXEC (defined in <fcntl.h>)
 363    and O_TEXT, O_BINARY (defined in "binary-io.h").
 364    The file is then created, with the specified flags, ensuring it didn't exist
 365    before.
 366    The file is created read-write (mask at least 0600 & ~umask), but it may be
 367    world-readable and world-writable (mask 0666 & ~umask), depending on the
 368    implementation.
 369    Returns the open file descriptor if successful, otherwise -1 and errno
 370    set.  */
 371 # if !@HAVE_MKOSTEMPS@
 372 _GL_FUNCDECL_SYS (mkostemps, int,
 373                   (char * /*template*/, int /*suffixlen*/, int /*flags*/)
 374                   _GL_ARG_NONNULL ((1)));
 375 # endif
 376 _GL_CXXALIAS_SYS (mkostemps, int,
 377                   (char * /*template*/, int /*suffixlen*/, int /*flags*/));
 378 _GL_CXXALIASWARN (mkostemps);
 379 #elif defined GNULIB_POSIXCHECK
 380 # undef mkostemps
 381 # if HAVE_RAW_DECL_MKOSTEMPS
 382 _GL_WARN_ON_USE (mkostemps, "mkostemps is unportable - "
 383                  "use gnulib module mkostemps for portability");
 384 # endif
 385 #endif
 386
 387 #if @GNULIB_MKSTEMP@
 388 /* Create a unique temporary file from TEMPLATE.
 389    The last six characters of TEMPLATE must be "XXXXXX";
 390    they are replaced with a string that makes the file name unique.
 391    The file is then created, ensuring it didn't exist before.
 392    The file is created read-write (mask at least 0600 & ~umask), but it may be
 393    world-readable and world-writable (mask 0666 & ~umask), depending on the
 394    implementation.
 395    Returns the open file descriptor if successful, otherwise -1 and errno
 396    set.  */
 397 # if @REPLACE_MKSTEMP@
 398 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 399 #   define mkstemp rpl_mkstemp
 400 #  endif
 401 _GL_FUNCDECL_RPL (mkstemp, int, (char * /*template*/) _GL_ARG_NONNULL ((1)));
 402 _GL_CXXALIAS_RPL (mkstemp, int, (char * /*template*/));
 403 # else
 404 #  if ! @HAVE_MKSTEMP@
 405 _GL_FUNCDECL_SYS (mkstemp, int, (char * /*template*/) _GL_ARG_NONNULL ((1)));
 406 #  endif
 407 _GL_CXXALIAS_SYS (mkstemp, int, (char * /*template*/));
 408 # endif
 409 _GL_CXXALIASWARN (mkstemp);
 410 #elif defined GNULIB_POSIXCHECK
 411 # undef mkstemp
 412 # if HAVE_RAW_DECL_MKSTEMP
 413 _GL_WARN_ON_USE (mkstemp, "mkstemp is unportable - "
 414                  "use gnulib module mkstemp for portability");
 415 # endif
 416 #endif
 417
 418 #if @GNULIB_MKSTEMPS@
 419 /* Create a unique temporary file from TEMPLATE.
 420    The last six characters of TEMPLATE prior to a suffix of length
 421    SUFFIXLEN must be "XXXXXX";
 422    they are replaced with a string that makes the file name unique.
 423    The file is then created, ensuring it didn't exist before.
 424    The file is created read-write (mask at least 0600 & ~umask), but it may be
 425    world-readable and world-writable (mask 0666 & ~umask), depending on the
 426    implementation.
 427    Returns the open file descriptor if successful, otherwise -1 and errno
 428    set.  */
 429 # if !@HAVE_MKSTEMPS@
 430 _GL_FUNCDECL_SYS (mkstemps, int, (char * /*template*/, int /*suffixlen*/)
 431                                  _GL_ARG_NONNULL ((1)));
 432 # endif
 433 _GL_CXXALIAS_SYS (mkstemps, int, (char * /*template*/, int /*suffixlen*/));
 434 _GL_CXXALIASWARN (mkstemps);
 435 #elif defined GNULIB_POSIXCHECK
 436 # undef mkstemps
 437 # if HAVE_RAW_DECL_MKSTEMPS
 438 _GL_WARN_ON_USE (mkstemps, "mkstemps is unportable - "
 439                  "use gnulib module mkstemps for portability");
 440 # endif
 441 #endif
 442
 443 #if @GNULIB_POSIX_OPENPT@
 444 /* Return an FD open to the master side of a pseudo-terminal.  Flags should
 445    include O_RDWR, and may also include O_NOCTTY.  */
 446 # if !@HAVE_POSIX_OPENPT@
 447 _GL_FUNCDECL_SYS (posix_openpt, int, (int flags));
 448 # endif
 449 _GL_CXXALIAS_SYS (posix_openpt, int, (int flags));
 450 _GL_CXXALIASWARN (posix_openpt);
 451 #elif defined GNULIB_POSIXCHECK
 452 # undef posix_openpt
 453 # if HAVE_RAW_DECL_POSIX_OPENPT
 454 _GL_WARN_ON_USE (posix_openpt, "posix_openpt is not portable - "
 455                  "use gnulib module posix_openpt for portability");
 456 # endif
 457 #endif
 458
 459 #if @GNULIB_PTSNAME@
 460 /* Return the pathname of the pseudo-terminal slave associated with
 461    the master FD is open on, or NULL on errors.  */
 462 # if @REPLACE_PTSNAME@
 463 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 464 #   undef ptsname
 465 #   define ptsname rpl_ptsname
 466 #  endif
 467 _GL_FUNCDECL_RPL (ptsname, char *, (int fd));
 468 _GL_CXXALIAS_RPL (ptsname, char *, (int fd));
 469 # else
 470 #  if !@HAVE_PTSNAME@
 471 _GL_FUNCDECL_SYS (ptsname, char *, (int fd));
 472 #  endif
 473 _GL_CXXALIAS_SYS (ptsname, char *, (int fd));
 474 # endif
 475 _GL_CXXALIASWARN (ptsname);
 476 #elif defined GNULIB_POSIXCHECK
 477 # undef ptsname
 478 # if HAVE_RAW_DECL_PTSNAME
 479 _GL_WARN_ON_USE (ptsname, "ptsname is not portable - "
 480                  "use gnulib module ptsname for portability");
 481 # endif
 482 #endif
 483
 484 #if @GNULIB_PTSNAME_R@
 485 /* Set the pathname of the pseudo-terminal slave associated with
 486    the master FD is open on and return 0, or set errno and return
 487    non-zero on errors.  */
 488 # if @REPLACE_PTSNAME_R@
 489 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 490 #   undef ptsname_r
 491 #   define ptsname_r rpl_ptsname_r
 492 #  endif
 493 _GL_FUNCDECL_RPL (ptsname_r, int, (int fd, char *buf, size_t len));
 494 _GL_CXXALIAS_RPL (ptsname_r, int, (int fd, char *buf, size_t len));
 495 # else
 496 #  if !@HAVE_PTSNAME_R@
 497 _GL_FUNCDECL_SYS (ptsname_r, int, (int fd, char *buf, size_t len));
 498 #  endif
 499 _GL_CXXALIAS_SYS (ptsname_r, int, (int fd, char *buf, size_t len));
 500 # endif
 501 _GL_CXXALIASWARN (ptsname_r);
 502 #elif defined GNULIB_POSIXCHECK
 503 # undef ptsname_r
 504 # if HAVE_RAW_DECL_PTSNAME_R
 505 _GL_WARN_ON_USE (ptsname_r, "ptsname_r is not portable - "
 506                  "use gnulib module ptsname_r for portability");
 507 # endif
 508 #endif
 509
 510 #if @GNULIB_PUTENV@
 511 # if @REPLACE_PUTENV@
 512 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 513 #   undef putenv
 514 #   define putenv rpl_putenv
 515 #  endif
 516 _GL_FUNCDECL_RPL (putenv, int, (char *string) _GL_ARG_NONNULL ((1)));
 517 _GL_CXXALIAS_RPL (putenv, int, (char *string));
 518 # else
 519 _GL_CXXALIAS_SYS (putenv, int, (char *string));
 520 # endif
 521 _GL_CXXALIASWARN (putenv);
 522 #endif
 523
 524 #if @GNULIB_QSORT_R@
 525 # if @REPLACE_QSORT_R@
 526 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 527 #   undef qsort_r
 528 #   define qsort_r rpl_qsort_r
 529 #  endif
 530 _GL_FUNCDECL_RPL (qsort_r, void, (void *base, size_t nmemb, size_t size,
 531                                   int (*compare) (void const *, void const *,
 532                                                   void *),
 533                                   void *arg) _GL_ARG_NONNULL ((1, 4)));
 534 _GL_CXXALIAS_RPL (qsort_r, void, (void *base, size_t nmemb, size_t size,
 535                                   int (*compare) (void const *, void const *,
 536                                                   void *),
 537                                   void *arg));
 538 # else
 539 _GL_CXXALIAS_SYS (qsort_r, void, (void *base, size_t nmemb, size_t size,
 540                                   int (*compare) (void const *, void const *,
 541                                                   void *),
 542                                   void *arg));
 543 # endif
 544 _GL_CXXALIASWARN (qsort_r);
 545 #endif
 546
 547
 548 #if @GNULIB_RANDOM_R@
 549 # if !@HAVE_RANDOM_R@
 550 #  ifndef RAND_MAX
 551 #   define RAND_MAX 2147483647
 552 #  endif
 553 # endif
 554 #endif
 555
 556
 557 #if @GNULIB_RANDOM@
 558 # if !@HAVE_RANDOM@
 559 _GL_FUNCDECL_SYS (random, long, (void));
 560 # endif
 561 _GL_CXXALIAS_SYS (random, long, (void));
 562 _GL_CXXALIASWARN (random);
 563 #elif defined GNULIB_POSIXCHECK
 564 # undef random
 565 # if HAVE_RAW_DECL_RANDOM
 566 _GL_WARN_ON_USE (random, "random is unportable - "
 567                  "use gnulib module random for portability");
 568 # endif
 569 #endif
 570
 571 #if @GNULIB_RANDOM@
 572 # if !@HAVE_RANDOM@
 573 _GL_FUNCDECL_SYS (srandom, void, (unsigned int seed));
 574 # endif
 575 _GL_CXXALIAS_SYS (srandom, void, (unsigned int seed));
 576 _GL_CXXALIASWARN (srandom);
 577 #elif defined GNULIB_POSIXCHECK
 578 # undef srandom
 579 # if HAVE_RAW_DECL_SRANDOM
 580 _GL_WARN_ON_USE (srandom, "srandom is unportable - "
 581                  "use gnulib module random for portability");
 582 # endif
 583 #endif
 584
 585 #if @GNULIB_RANDOM@
 586 # if !@HAVE_RANDOM@
 587 _GL_FUNCDECL_SYS (initstate, char *,
 588                   (unsigned int seed, char *buf, size_t buf_size)
 589                   _GL_ARG_NONNULL ((2)));
 590 # endif
 591 _GL_CXXALIAS_SYS (initstate, char *,
 592                   (unsigned int seed, char *buf, size_t buf_size));
 593 _GL_CXXALIASWARN (initstate);
 594 #elif defined GNULIB_POSIXCHECK
 595 # undef initstate
 596 # if HAVE_RAW_DECL_INITSTATE_R
 597 _GL_WARN_ON_USE (initstate, "initstate is unportable - "
 598                  "use gnulib module random for portability");
 599 # endif
 600 #endif
 601
 602 #if @GNULIB_RANDOM@
 603 # if !@HAVE_RANDOM@
 604 _GL_FUNCDECL_SYS (setstate, char *, (char *arg_state) _GL_ARG_NONNULL ((1)));
 605 # endif
 606 _GL_CXXALIAS_SYS (setstate, char *, (char *arg_state));
 607 _GL_CXXALIASWARN (setstate);
 608 #elif defined GNULIB_POSIXCHECK
 609 # undef setstate
 610 # if HAVE_RAW_DECL_SETSTATE_R
 611 _GL_WARN_ON_USE (setstate, "setstate is unportable - "
 612                  "use gnulib module random for portability");
 613 # endif
 614 #endif
 615
 616
 617 #if @GNULIB_RANDOM_R@
 618 # if @REPLACE_RANDOM_R@
 619 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 620 #   undef random_r
 621 #   define random_r rpl_random_r
 622 #  endif
 623 _GL_FUNCDECL_RPL (random_r, int, (struct random_data *buf, int32_t *result)
 624                                  _GL_ARG_NONNULL ((1, 2)));
 625 _GL_CXXALIAS_RPL (random_r, int, (struct random_data *buf, int32_t *result));
 626 # else
 627 #  if !@HAVE_RANDOM_R@
 628 _GL_FUNCDECL_SYS (random_r, int, (struct random_data *buf, int32_t *result)
 629                                  _GL_ARG_NONNULL ((1, 2)));
 630 #  endif
 631 _GL_CXXALIAS_SYS (random_r, int, (struct random_data *buf, int32_t *result));
 632 # endif
 633 _GL_CXXALIASWARN (random_r);
 634 #elif defined GNULIB_POSIXCHECK
 635 # undef random_r
 636 # if HAVE_RAW_DECL_RANDOM_R
 637 _GL_WARN_ON_USE (random_r, "random_r is unportable - "
 638                  "use gnulib module random_r for portability");
 639 # endif
 640 #endif
 641
 642 #if @GNULIB_RANDOM_R@
 643 # if @REPLACE_RANDOM_R@
 644 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 645 #   undef srandom_r
 646 #   define srandom_r rpl_srandom_r
 647 #  endif
 648 _GL_FUNCDECL_RPL (srandom_r, int,
 649                   (unsigned int seed, struct random_data *rand_state)
 650                   _GL_ARG_NONNULL ((2)));
 651 _GL_CXXALIAS_RPL (srandom_r, int,
 652                   (unsigned int seed, struct random_data *rand_state));
 653 # else
 654 #  if !@HAVE_RANDOM_R@
 655 _GL_FUNCDECL_SYS (srandom_r, int,
 656                   (unsigned int seed, struct random_data *rand_state)
 657                   _GL_ARG_NONNULL ((2)));
 658 #  endif
 659 _GL_CXXALIAS_SYS (srandom_r, int,
 660                   (unsigned int seed, struct random_data *rand_state));
 661 # endif
 662 _GL_CXXALIASWARN (srandom_r);
 663 #elif defined GNULIB_POSIXCHECK
 664 # undef srandom_r
 665 # if HAVE_RAW_DECL_SRANDOM_R
 666 _GL_WARN_ON_USE (srandom_r, "srandom_r is unportable - "
 667                  "use gnulib module random_r for portability");
 668 # endif
 669 #endif
 670
 671 #if @GNULIB_RANDOM_R@
 672 # if @REPLACE_RANDOM_R@
 673 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 674 #   undef initstate_r
 675 #   define initstate_r rpl_initstate_r
 676 #  endif
 677 _GL_FUNCDECL_RPL (initstate_r, int,
 678                   (unsigned int seed, char *buf, size_t buf_size,
 679                    struct random_data *rand_state)
 680                   _GL_ARG_NONNULL ((2, 4)));
 681 _GL_CXXALIAS_RPL (initstate_r, int,
 682                   (unsigned int seed, char *buf, size_t buf_size,
 683                    struct random_data *rand_state));
 684 # else
 685 #  if !@HAVE_RANDOM_R@
 686 _GL_FUNCDECL_SYS (initstate_r, int,
 687                   (unsigned int seed, char *buf, size_t buf_size,
 688                    struct random_data *rand_state)
 689                   _GL_ARG_NONNULL ((2, 4)));
 690 #  endif
 691 _GL_CXXALIAS_SYS (initstate_r, int,
 692                   (unsigned int seed, char *buf, size_t buf_size,
 693                    struct random_data *rand_state));
 694 # endif
 695 _GL_CXXALIASWARN (initstate_r);
 696 #elif defined GNULIB_POSIXCHECK
 697 # undef initstate_r
 698 # if HAVE_RAW_DECL_INITSTATE_R
 699 _GL_WARN_ON_USE (initstate_r, "initstate_r is unportable - "
 700                  "use gnulib module random_r for portability");
 701 # endif
 702 #endif
 703
 704 #if @GNULIB_RANDOM_R@
 705 # if @REPLACE_RANDOM_R@
 706 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 707 #   undef setstate_r
 708 #   define setstate_r rpl_setstate_r
 709 #  endif
 710 _GL_FUNCDECL_RPL (setstate_r, int,
 711                   (char *arg_state, struct random_data *rand_state)
 712                   _GL_ARG_NONNULL ((1, 2)));
 713 _GL_CXXALIAS_RPL (setstate_r, int,
 714                   (char *arg_state, struct random_data *rand_state));
 715 # else
 716 #  if !@HAVE_RANDOM_R@
 717 _GL_FUNCDECL_SYS (setstate_r, int,
 718                   (char *arg_state, struct random_data *rand_state)
 719                   _GL_ARG_NONNULL ((1, 2)));
 720 #  endif
 721 _GL_CXXALIAS_SYS (setstate_r, int,
 722                   (char *arg_state, struct random_data *rand_state));
 723 # endif
 724 _GL_CXXALIASWARN (setstate_r);
 725 #elif defined GNULIB_POSIXCHECK
 726 # undef setstate_r
 727 # if HAVE_RAW_DECL_SETSTATE_R
 728 _GL_WARN_ON_USE (setstate_r, "setstate_r is unportable - "
 729                  "use gnulib module random_r for portability");
 730 # endif
 731 #endif
 732
 733
 734 #if @GNULIB_REALLOC_POSIX@
 735 # if @REPLACE_REALLOC@
 736 #  if !((defined __cplusplus && defined GNULIB_NAMESPACE) \
 737         || _GL_USE_STDLIB_ALLOC)
 738 #   undef realloc
 739 #   define realloc rpl_realloc
 740 #  endif
 741 _GL_FUNCDECL_RPL (realloc, void *, (void *ptr, size_t size));
 742 _GL_CXXALIAS_RPL (realloc, void *, (void *ptr, size_t size));
 743 # else
 744 _GL_CXXALIAS_SYS (realloc, void *, (void *ptr, size_t size));
 745 # endif
 746 _GL_CXXALIASWARN (realloc);
 747 #elif defined GNULIB_POSIXCHECK && !_GL_USE_STDLIB_ALLOC
 748 # undef realloc
 749 /* Assume realloc is always declared.  */
 750 _GL_WARN_ON_USE (realloc, "realloc is not POSIX compliant everywhere - "
 751                  "use gnulib module realloc-posix for portability");
 752 #endif
 753
 754 #if @GNULIB_REALPATH@
 755 # if @REPLACE_REALPATH@
 756 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 757 #   define realpath rpl_realpath
 758 #  endif
 759 _GL_FUNCDECL_RPL (realpath, char *, (const char *name, char *resolved)
 760                                     _GL_ARG_NONNULL ((1)));
 761 _GL_CXXALIAS_RPL (realpath, char *, (const char *name, char *resolved));
 762 # else
 763 #  if !@HAVE_REALPATH@
 764 _GL_FUNCDECL_SYS (realpath, char *, (const char *name, char *resolved)
 765                                     _GL_ARG_NONNULL ((1)));
 766 #  endif
 767 _GL_CXXALIAS_SYS (realpath, char *, (const char *name, char *resolved));
 768 # endif
 769 _GL_CXXALIASWARN (realpath);
 770 #elif defined GNULIB_POSIXCHECK
 771 # undef realpath
 772 # if HAVE_RAW_DECL_REALPATH
 773 _GL_WARN_ON_USE (realpath, "realpath is unportable - use gnulib module "
 774                  "canonicalize or canonicalize-lgpl for portability");
 775 # endif
 776 #endif
 777
 778 #if @GNULIB_RPMATCH@
 779 /* Test a user response to a question.
 780    Return 1 if it is affirmative, 0 if it is negative, or -1 if not clear.  */
 781 # if !@HAVE_RPMATCH@
 782 _GL_FUNCDECL_SYS (rpmatch, int, (const char *response) _GL_ARG_NONNULL ((1)));
 783 # endif
 784 _GL_CXXALIAS_SYS (rpmatch, int, (const char *response));
 785 _GL_CXXALIASWARN (rpmatch);
 786 #elif defined GNULIB_POSIXCHECK
 787 # undef rpmatch
 788 # if HAVE_RAW_DECL_RPMATCH
 789 _GL_WARN_ON_USE (rpmatch, "rpmatch is unportable - "
 790                  "use gnulib module rpmatch for portability");
 791 # endif
 792 #endif
 793
 794 #if @GNULIB_SECURE_GETENV@
 795 /* Look up NAME in the environment, returning 0 in insecure situations.  */
 796 # if !@HAVE_SECURE_GETENV@
 797 _GL_FUNCDECL_SYS (secure_getenv, char *,
 798                   (char const *name) _GL_ARG_NONNULL ((1)));
 799 # endif
 800 _GL_CXXALIAS_SYS (secure_getenv, char *, (char const *name));
 801 _GL_CXXALIASWARN (secure_getenv);
 802 #elif defined GNULIB_POSIXCHECK
 803 # undef secure_getenv
 804 # if HAVE_RAW_DECL_SECURE_GETENV
 805 _GL_WARN_ON_USE (secure_getenv, "secure_getenv is unportable - "
 806                  "use gnulib module secure_getenv for portability");
 807 # endif
 808 #endif
 809
 810 #if @GNULIB_SETENV@
 811 /* Set NAME to VALUE in the environment.
 812    If REPLACE is nonzero, overwrite an existing value.  */
 813 # if @REPLACE_SETENV@
 814 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 815 #   undef setenv
 816 #   define setenv rpl_setenv
 817 #  endif
 818 _GL_FUNCDECL_RPL (setenv, int,
 819                   (const char *name, const char *value, int replace)
 820                   _GL_ARG_NONNULL ((1)));
 821 _GL_CXXALIAS_RPL (setenv, int,
 822                   (const char *name, const char *value, int replace));
 823 # else
 824 #  if !@HAVE_DECL_SETENV@
 825 _GL_FUNCDECL_SYS (setenv, int,
 826                   (const char *name, const char *value, int replace)
 827                   _GL_ARG_NONNULL ((1)));
 828 #  endif
 829 _GL_CXXALIAS_SYS (setenv, int,
 830                   (const char *name, const char *value, int replace));
 831 # endif
 832 # if !(@REPLACE_SETENV@ && !@HAVE_DECL_SETENV@)
 833 _GL_CXXALIASWARN (setenv);
 834 # endif
 835 #elif defined GNULIB_POSIXCHECK
 836 # undef setenv
 837 # if HAVE_RAW_DECL_SETENV
 838 _GL_WARN_ON_USE (setenv, "setenv is unportable - "
 839                  "use gnulib module setenv for portability");
 840 # endif
 841 #endif
 842
 843 #if @GNULIB_STRTOD@
 844  /* Parse a double from STRING, updating ENDP if appropriate.  */
 845 # if @REPLACE_STRTOD@
 846 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 847 #   define strtod rpl_strtod
 848 #  endif
 849 _GL_FUNCDECL_RPL (strtod, double, (const char *str, char **endp)
 850                                   _GL_ARG_NONNULL ((1)));
 851 _GL_CXXALIAS_RPL (strtod, double, (const char *str, char **endp));
 852 # else
 853 #  if !@HAVE_STRTOD@
 854 _GL_FUNCDECL_SYS (strtod, double, (const char *str, char **endp)
 855                                   _GL_ARG_NONNULL ((1)));
 856 #  endif
 857 _GL_CXXALIAS_SYS (strtod, double, (const char *str, char **endp));
 858 # endif
 859 _GL_CXXALIASWARN (strtod);
 860 #elif defined GNULIB_POSIXCHECK
 861 # undef strtod
 862 # if HAVE_RAW_DECL_STRTOD
 863 _GL_WARN_ON_USE (strtod, "strtod is unportable - "
 864                  "use gnulib module strtod for portability");
 865 # endif
 866 #endif
 867
 868 #if @GNULIB_STRTOLL@
 869 /* Parse a signed integer whose textual representation starts at STRING.
 870    The integer is expected to be in base BASE (2 <= BASE <= 36); if BASE == 0,
 871    it may be decimal or octal (with prefix "0") or hexadecimal (with prefix
 872    "0x").
 873    If ENDPTR is not NULL, the address of the first byte after the integer is
 874    stored in *ENDPTR.
 875    Upon overflow, the return value is LLONG_MAX or LLONG_MIN, and errno is set
 876    to ERANGE.  */
 877 # if !@HAVE_STRTOLL@
 878 _GL_FUNCDECL_SYS (strtoll, long long,
 879                   (const char *string, char **endptr, int base)
 880                   _GL_ARG_NONNULL ((1)));
 881 # endif
 882 _GL_CXXALIAS_SYS (strtoll, long long,
 883                   (const char *string, char **endptr, int base));
 884 _GL_CXXALIASWARN (strtoll);
 885 #elif defined GNULIB_POSIXCHECK
 886 # undef strtoll
 887 # if HAVE_RAW_DECL_STRTOLL
 888 _GL_WARN_ON_USE (strtoll, "strtoll is unportable - "
 889                  "use gnulib module strtoll for portability");
 890 # endif
 891 #endif
 892
 893 #if @GNULIB_STRTOULL@
 894 /* Parse an unsigned integer whose textual representation starts at STRING.
 895    The integer is expected to be in base BASE (2 <= BASE <= 36); if BASE == 0,
 896    it may be decimal or octal (with prefix "0") or hexadecimal (with prefix
 897    "0x").
 898    If ENDPTR is not NULL, the address of the first byte after the integer is
 899    stored in *ENDPTR.
 900    Upon overflow, the return value is ULLONG_MAX, and errno is set to
 901    ERANGE.  */
 902 # if !@HAVE_STRTOULL@
 903 _GL_FUNCDECL_SYS (strtoull, unsigned long long,
 904                   (const char *string, char **endptr, int base)
 905                   _GL_ARG_NONNULL ((1)));
 906 # endif
 907 _GL_CXXALIAS_SYS (strtoull, unsigned long long,
 908                   (const char *string, char **endptr, int base));
 909 _GL_CXXALIASWARN (strtoull);
 910 #elif defined GNULIB_POSIXCHECK
 911 # undef strtoull
 912 # if HAVE_RAW_DECL_STRTOULL
 913 _GL_WARN_ON_USE (strtoull, "strtoull is unportable - "
 914                  "use gnulib module strtoull for portability");
 915 # endif
 916 #endif
 917
 918 #if @GNULIB_UNLOCKPT@
 919 /* Unlock the slave side of the pseudo-terminal whose master side is specified
 920    by FD, so that it can be opened.  */
 921 # if !@HAVE_UNLOCKPT@
 922 _GL_FUNCDECL_SYS (unlockpt, int, (int fd));
 923 # endif
 924 _GL_CXXALIAS_SYS (unlockpt, int, (int fd));
 925 _GL_CXXALIASWARN (unlockpt);
 926 #elif defined GNULIB_POSIXCHECK
 927 # undef unlockpt
 928 # if HAVE_RAW_DECL_UNLOCKPT
 929 _GL_WARN_ON_USE (unlockpt, "unlockpt is not portable - "
 930                  "use gnulib module unlockpt for portability");
 931 # endif
 932 #endif
 933
 934 #if @GNULIB_UNSETENV@
 935 /* Remove the variable NAME from the environment.  */
 936 # if @REPLACE_UNSETENV@
 937 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 938 #   undef unsetenv
 939 #   define unsetenv rpl_unsetenv
 940 #  endif
 941 _GL_FUNCDECL_RPL (unsetenv, int, (const char *name) _GL_ARG_NONNULL ((1)));
 942 _GL_CXXALIAS_RPL (unsetenv, int, (const char *name));
 943 # else
 944 #  if !@HAVE_DECL_UNSETENV@
 945 _GL_FUNCDECL_SYS (unsetenv, int, (const char *name) _GL_ARG_NONNULL ((1)));
 946 #  endif
 947 _GL_CXXALIAS_SYS (unsetenv, int, (const char *name));
 948 # endif
 949 # if !(@REPLACE_UNSETENV@ && !@HAVE_DECL_UNSETENV@)
 950 _GL_CXXALIASWARN (unsetenv);
 951 # endif
 952 #elif defined GNULIB_POSIXCHECK
 953 # undef unsetenv
 954 # if HAVE_RAW_DECL_UNSETENV
 955 _GL_WARN_ON_USE (unsetenv, "unsetenv is unportable - "
 956                  "use gnulib module unsetenv for portability");
 957 # endif
 958 #endif
 959
 960 /* Convert a wide character to a multibyte character.  */
 961 #if @GNULIB_WCTOMB@
 962 # if @REPLACE_WCTOMB@
 963 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 964 #   undef wctomb
 965 #   define wctomb rpl_wctomb
 966 #  endif
 967 _GL_FUNCDECL_RPL (wctomb, int, (char *s, wchar_t wc));
 968 _GL_CXXALIAS_RPL (wctomb, int, (char *s, wchar_t wc));
 969 # else
 970 _GL_CXXALIAS_SYS (wctomb, int, (char *s, wchar_t wc));
 971 # endif
 972 _GL_CXXALIASWARN (wctomb);
 973 #endif
 974
 975
 976 #endif /* _@GUARD_PREFIX@_STDLIB_H */
 977 #endif /* _@GUARD_PREFIX@_STDLIB_H */
 978 #endif