stdlib.in.h 11.5 KB
Newer Older
1 2
/* A GNU-like <stdlib.h>.

J
Jim Meyering 已提交
3
   Copyright (C) 1995, 2001-2004, 2006-2009 Free Software Foundation, Inc.
4 5 6

   This program is free software: you can redistribute it and/or modify
   it under the terms of the GNU Lesser General Public License as published by
7
   the Free Software Foundation; either version 2.1 of the License, or
8 9 10 11 12 13 14 15 16 17
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */

J
Jim Meyering 已提交
18 19 20 21
#if __GNUC__ >= 3
@PRAGMA_SYSTEM_HEADER@
#endif

22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38
#if defined __need_malloc_and_calloc
/* Special invocation convention inside glibc header files.  */

#@INCLUDE_NEXT@ @NEXT_STDLIB_H@

#else
/* Normal invocation convention.  */

#ifndef _GL_STDLIB_H

/* The include_next requires a split double-inclusion guard.  */
#@INCLUDE_NEXT@ @NEXT_STDLIB_H@

#ifndef _GL_STDLIB_H
#define _GL_STDLIB_H


J
Jim Meyering 已提交
39 40 41 42 43
/* Solaris declares getloadavg() in <sys/loadavg.h>.  */
#if @GNULIB_GETLOADAVG@ && @HAVE_SYS_LOADAVG_H@
# include <sys/loadavg.h>
#endif

J
Jim Meyering 已提交
44 45 46 47 48 49
/* OSF/1 5.1 declares 'struct random_data' in <random.h>, which is included
   from <stdlib.h> if _REENTRANT is defined.  Include it always.  */
#if @HAVE_RANDOM_H@
# include <random.h>
#endif

J
Jim Meyering 已提交
50 51 52 53 54 55 56 57 58 59 60
#if @GNULIB_RANDOM_R@ || !@HAVE_STRUCT_RANDOM_DATA@
# include <stdint.h>
#endif

#if !@HAVE_STRUCT_RANDOM_DATA@
struct random_data
{
  int32_t *fptr;		/* Front pointer.  */
  int32_t *rptr;		/* Rear pointer.  */
  int32_t *state;		/* Array of state values.  */
  int rand_type;		/* Type of random number generator.  */
61 62
  int rand_deg;			/* Degree of random number generator.  */
  int rand_sep;			/* Distance between front and rear.  */
J
Jim Meyering 已提交
63 64 65 66
  int32_t *end_ptr;		/* Pointer behind state table.  */
};
#endif

67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133
/* The definition of GL_LINK_WARNING is copied here.  */


/* Some systems do not define EXIT_*, despite otherwise supporting C89.  */
#ifndef EXIT_SUCCESS
# define EXIT_SUCCESS 0
#endif
/* Tandem/NSK and other platforms that define EXIT_FAILURE as -1 interfere
   with proper operation of xargs.  */
#ifndef EXIT_FAILURE
# define EXIT_FAILURE 1
#elif EXIT_FAILURE != 1
# undef EXIT_FAILURE
# define EXIT_FAILURE 1
#endif


#ifdef __cplusplus
extern "C" {
#endif


#if @GNULIB_MALLOC_POSIX@
# if !@HAVE_MALLOC_POSIX@
#  undef malloc
#  define malloc rpl_malloc
extern void * malloc (size_t size);
# endif
#elif defined GNULIB_POSIXCHECK
# undef malloc
# define malloc(s) \
    (GL_LINK_WARNING ("malloc is not POSIX compliant everywhere - " \
                      "use gnulib module malloc-posix for portability"), \
     malloc (s))
#endif


#if @GNULIB_REALLOC_POSIX@
# if !@HAVE_REALLOC_POSIX@
#  undef realloc
#  define realloc rpl_realloc
extern void * realloc (void *ptr, size_t size);
# endif
#elif defined GNULIB_POSIXCHECK
# undef realloc
# define realloc(p,s) \
    (GL_LINK_WARNING ("realloc is not POSIX compliant everywhere - " \
                      "use gnulib module realloc-posix for portability"), \
     realloc (p, s))
#endif


#if @GNULIB_CALLOC_POSIX@
# if !@HAVE_CALLOC_POSIX@
#  undef calloc
#  define calloc rpl_calloc
extern void * calloc (size_t nmemb, size_t size);
# endif
#elif defined GNULIB_POSIXCHECK
# undef calloc
# define calloc(n,s) \
    (GL_LINK_WARNING ("calloc is not POSIX compliant everywhere - " \
                      "use gnulib module calloc-posix for portability"), \
     calloc (n, s))
#endif


J
Jim Meyering 已提交
134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165
#if @GNULIB_ATOLL@
# if !@HAVE_ATOLL@
/* Parse a signed decimal integer.
   Returns the value of the integer.  Errors are not detected.  */
extern long long atoll (const char *string);
# endif
#elif defined GNULIB_POSIXCHECK
# undef atoll
# define atoll(s) \
    (GL_LINK_WARNING ("atoll is unportable - " \
                      "use gnulib module atoll for portability"), \
     atoll (s))
#endif


#if @GNULIB_GETLOADAVG@
# if !@HAVE_DECL_GETLOADAVG@
/* Store max(NELEM,3) load average numbers in LOADAVG[].
   The three numbers are the load average of the last 1 minute, the last 5
   minutes, and the last 15 minutes, respectively.
   LOADAVG is an array of NELEM numbers.  */
extern int getloadavg (double loadavg[], int nelem);
# endif
#elif defined GNULIB_POSIXCHECK
# undef getloadavg
# define getloadavg(l,n) \
    (GL_LINK_WARNING ("getloadavg is not portable - " \
                      "use gnulib module getloadavg for portability"), \
     getloadavg (l, n))
#endif


166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242
#if @GNULIB_GETSUBOPT@
/* Assuming *OPTIONP is a comma separated list of elements of the form
   "token" or "token=value", getsubopt parses the first of these elements.
   If the first element refers to a "token" that is member of the given
   NULL-terminated array of tokens:
     - It replaces the comma with a NUL byte, updates *OPTIONP to point past
       the first option and the comma, sets *VALUEP to the value of the
       element (or NULL if it doesn't contain an "=" sign),
     - It returns the index of the "token" in the given array of tokens.
   Otherwise it returns -1, and *OPTIONP and *VALUEP are undefined.
   For more details see the POSIX:2001 specification.
   http://www.opengroup.org/susv3xsh/getsubopt.html */
# if !@HAVE_GETSUBOPT@
extern int getsubopt (char **optionp, char *const *tokens, char **valuep);
# endif
#elif defined GNULIB_POSIXCHECK
# undef getsubopt
# define getsubopt(o,t,v) \
    (GL_LINK_WARNING ("getsubopt is unportable - " \
                      "use gnulib module getsubopt for portability"), \
     getsubopt (o, t, v))
#endif


#if @GNULIB_MKDTEMP@
# if !@HAVE_MKDTEMP@
/* Create a unique temporary directory from TEMPLATE.
   The last six characters of TEMPLATE must be "XXXXXX";
   they are replaced with a string that makes the directory name unique.
   Returns TEMPLATE, or a null pointer if it cannot get a unique name.
   The directory is created mode 700.  */
extern char * mkdtemp (char * /*template*/);
# endif
#elif defined GNULIB_POSIXCHECK
# undef mkdtemp
# define mkdtemp(t) \
    (GL_LINK_WARNING ("mkdtemp is unportable - " \
                      "use gnulib module mkdtemp for portability"), \
     mkdtemp (t))
#endif


#if @GNULIB_MKSTEMP@
# if @REPLACE_MKSTEMP@
/* Create a unique temporary file from TEMPLATE.
   The last six characters of TEMPLATE must be "XXXXXX";
   they are replaced with a string that makes the file name unique.
   The file is then created, ensuring it didn't exist before.
   The file is created read-write (mask at least 0600 & ~umask), but it may be
   world-readable and world-writable (mask 0666 & ~umask), depending on the
   implementation.
   Returns the open file descriptor if successful, otherwise -1 and errno
   set.  */
#  define mkstemp rpl_mkstemp
extern int mkstemp (char * /*template*/);
# else
/* On MacOS X 10.3, only <unistd.h> declares mkstemp.  */
#  include <unistd.h>
# endif
#elif defined GNULIB_POSIXCHECK
# undef mkstemp
# define mkstemp(t) \
    (GL_LINK_WARNING ("mkstemp is unportable - " \
                      "use gnulib module mkstemp for portability"), \
     mkstemp (t))
#endif


#if @GNULIB_PUTENV@
# if @REPLACE_PUTENV@
#  undef putenv
#  define putenv rpl_putenv
extern int putenv (char *string);
# endif
#endif


J
Jim Meyering 已提交
243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279
#if @GNULIB_RANDOM_R@
# if !@HAVE_RANDOM_R@

#  ifndef RAND_MAX
#   define RAND_MAX 2147483647
#  endif

int srandom_r (unsigned int seed, struct random_data *rand_state);
int initstate_r (unsigned int seed, char *buf, size_t buf_size,
		 struct random_data *rand_state);
int setstate_r (char *arg_state, struct random_data *rand_state);
int random_r (struct random_data *buf, int32_t *result);
# endif
#elif defined GNULIB_POSIXCHECK
# undef random_r
# define random_r(b,r)				  \
    (GL_LINK_WARNING ("random_r is unportable - " \
                      "use gnulib module random_r for portability"), \
     random_r (b,r))
# undef initstate_r
# define initstate_r(s,b,sz,r)			     \
    (GL_LINK_WARNING ("initstate_r is unportable - " \
                      "use gnulib module random_r for portability"), \
     initstate_r (s,b,sz,r))
# undef srandom_r
# define srandom_r(s,r)				   \
    (GL_LINK_WARNING ("srandom_r is unportable - " \
                      "use gnulib module random_r for portability"), \
     srandom_r (s,r))
# undef setstate_r
# define setstate_r(a,r)				    \
    (GL_LINK_WARNING ("setstate_r is unportable - " \
                      "use gnulib module random_r for portability"), \
     setstate_r (a,r))
#endif


J
Jim Meyering 已提交
280 281 282 283 284 285 286 287 288 289 290 291 292 293 294
#if @GNULIB_RPMATCH@
# if !@HAVE_RPMATCH@
/* Test a user response to a question.
   Return 1 if it is affirmative, 0 if it is negative, or -1 if not clear.  */
extern int rpmatch (const char *response);
# endif
#elif defined GNULIB_POSIXCHECK
# undef rpmatch
# define rpmatch(r) \
    (GL_LINK_WARNING ("rpmatch is unportable - " \
                      "use gnulib module rpmatch for portability"), \
     rpmatch (r))
#endif


J
Jim Meyering 已提交
295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317
#if @GNULIB_SETENV@
# if !@HAVE_SETENV@
/* Set NAME to VALUE in the environment.
   If REPLACE is nonzero, overwrite an existing value.  */
extern int setenv (const char *name, const char *value, int replace);
# endif
#endif


#if @GNULIB_UNSETENV@
# if @HAVE_UNSETENV@
#  if @VOID_UNSETENV@
/* On some systems, unsetenv() returns void.
   This is the case for MacOS X 10.3, FreeBSD 4.8, NetBSD 1.6, OpenBSD 3.4.  */
#   define unsetenv(name) ((unsetenv)(name), 0)
#  endif
# else
/* Remove the variable NAME from the environment.  */
extern int unsetenv (const char *name);
# endif
#endif


J
Jim Meyering 已提交
318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334
#if @GNULIB_STRTOD@
# if @REPLACE_STRTOD@
#  define strtod rpl_strtod
# endif
# if !@HAVE_STRTOD@ || @REPLACE_STRTOD@
 /* Parse a double from STRING, updating ENDP if appropriate.  */
extern double strtod (const char *str, char **endp);
# endif
#elif defined GNULIB_POSIXCHECK
# undef strtod
# define strtod(s, e)                           \
    (GL_LINK_WARNING ("strtod is unportable - " \
                      "use gnulib module strtod for portability"), \
     strtod (s, e))
#endif


J
Jim Meyering 已提交
335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376
#if @GNULIB_STRTOLL@
# if !@HAVE_STRTOLL@
/* Parse a signed integer whose textual representation starts at STRING.
   The integer is expected to be in base BASE (2 <= BASE <= 36); if BASE == 0,
   it may be decimal or octal (with prefix "0") or hexadecimal (with prefix
   "0x").
   If ENDPTR is not NULL, the address of the first byte after the integer is
   stored in *ENDPTR.
   Upon overflow, the return value is LLONG_MAX or LLONG_MIN, and errno is set
   to ERANGE.  */
extern long long strtoll (const char *string, char **endptr, int base);
# endif
#elif defined GNULIB_POSIXCHECK
# undef strtoll
# define strtoll(s,e,b) \
    (GL_LINK_WARNING ("strtoll is unportable - " \
                      "use gnulib module strtoll for portability"), \
     strtoll (s, e, b))
#endif


#if @GNULIB_STRTOULL@
# if !@HAVE_STRTOULL@
/* Parse an unsigned integer whose textual representation starts at STRING.
   The integer is expected to be in base BASE (2 <= BASE <= 36); if BASE == 0,
   it may be decimal or octal (with prefix "0") or hexadecimal (with prefix
   "0x").
   If ENDPTR is not NULL, the address of the first byte after the integer is
   stored in *ENDPTR.
   Upon overflow, the return value is ULLONG_MAX, and errno is set to
   ERANGE.  */
extern unsigned long long strtoull (const char *string, char **endptr, int base);
# endif
#elif defined GNULIB_POSIXCHECK
# undef strtoull
# define strtoull(s,e,b) \
    (GL_LINK_WARNING ("strtoull is unportable - " \
                      "use gnulib module strtoull for portability"), \
     strtoull (s, e, b))
#endif


377 378 379 380 381 382 383
#ifdef __cplusplus
}
#endif

#endif /* _GL_STDLIB_H */
#endif /* _GL_STDLIB_H */
#endif