1 /* A GNU-like <stdlib.h>. 2 3 Copyright (C) 1995, 2001-2004, 2006-2009 Free Software Foundation, Inc. 4 5 This program is free software: you can redistribute it and/or modify 6 it under the terms of the GNU General Public License as published by 7 the Free Software Foundation; either version 3 of the License, or 8 (at your option) 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 <http://www.gnu.org/licenses/>. */ 17 18 #if __GNUC__ >= 3 19 @PRAGMA_SYSTEM_HEADER@ 20 #endif 21 22 #if defined __need_malloc_and_calloc 23 /* Special invocation convention inside glibc header files. */ 24 25 #@INCLUDE_NEXT@ @NEXT_STDLIB_H@ 26 27 #else 28 /* Normal invocation convention. */ 29 30 #ifndef _GL_STDLIB_H 31 32 /* The include_next requires a split double-inclusion guard. */ 33 #@INCLUDE_NEXT@ @NEXT_STDLIB_H@ 34 35 #ifndef _GL_STDLIB_H 36 #define _GL_STDLIB_H 37 38 39 /* Solaris declares getloadavg() in <sys/loadavg.h>. */ 40 #if @GNULIB_GETLOADAVG@ && @HAVE_SYS_LOADAVG_H@ 41 # include <sys/loadavg.h> 42 #endif 43 44 /* OSF/1 5.1 declares 'struct random_data' in <random.h>, which is included 45 from <stdlib.h> if _REENTRANT is defined. Include it always. */ 46 #if @HAVE_RANDOM_H@ 47 # include <random.h> 48 #endif 49 50 #if @GNULIB_RANDOM_R@ || !@HAVE_STRUCT_RANDOM_DATA@ 51 # include <stdint.h> 52 #endif 53 54 #if !@HAVE_STRUCT_RANDOM_DATA@ 55 struct random_data 56 { 57 int32_t *fptr; /* Front pointer. */ 58 int32_t *rptr; /* Rear pointer. */ 59 int32_t *state; /* Array of state values. */ 60 int rand_type; /* Type of random number generator. */ 61 int rand_deg; /* Degree of random number generator. */ 62 int rand_sep; /* Distance between front and rear. */ 63 int32_t *end_ptr; /* Pointer behind state table. */ 64 }; 65 #endif 66 67 /* The definition of GL_LINK_WARNING is copied here. */ 68 69 70 /* Some systems do not define EXIT_*, despite otherwise supporting C89. */ 71 #ifndef EXIT_SUCCESS 72 # define EXIT_SUCCESS 0 73 #endif 74 /* Tandem/NSK and other platforms that define EXIT_FAILURE as -1 interfere 75 with proper operation of xargs. */ 76 #ifndef EXIT_FAILURE 77 # define EXIT_FAILURE 1 78 #elif EXIT_FAILURE != 1 79 # undef EXIT_FAILURE 80 # define EXIT_FAILURE 1 81 #endif 82 83 84 #ifdef __cplusplus 85 extern "C" { 86 #endif 87 88 89 #if @GNULIB_MALLOC_POSIX@ 90 # if !@HAVE_MALLOC_POSIX@ 91 # undef malloc 92 # define malloc rpl_malloc 93 extern void * malloc (size_t size); 94 # endif 95 #elif defined GNULIB_POSIXCHECK 96 # undef malloc 97 # define malloc(s) \ 98 (GL_LINK_WARNING ("malloc is not POSIX compliant everywhere - " \ 99 "use gnulib module malloc-posix for portability"), \ 100 malloc (s)) 101 #endif 102 103 104 #if @GNULIB_REALLOC_POSIX@ 105 # if !@HAVE_REALLOC_POSIX@ 106 # undef realloc 107 # define realloc rpl_realloc 108 extern void * realloc (void *ptr, size_t size); 109 # endif 110 #elif defined GNULIB_POSIXCHECK 111 # undef realloc 112 # define realloc(p,s) \ 113 (GL_LINK_WARNING ("realloc is not POSIX compliant everywhere - " \ 114 "use gnulib module realloc-posix for portability"), \ 115 realloc (p, s)) 116 #endif 117 118 119 #if @GNULIB_CALLOC_POSIX@ 120 # if !@HAVE_CALLOC_POSIX@ 121 # undef calloc 122 # define calloc rpl_calloc 123 extern void * calloc (size_t nmemb, size_t size); 124 # endif 125 #elif defined GNULIB_POSIXCHECK 126 # undef calloc 127 # define calloc(n,s) \ 128 (GL_LINK_WARNING ("calloc is not POSIX compliant everywhere - " \ 129 "use gnulib module calloc-posix for portability"), \ 130 calloc (n, s)) 131 #endif 132 133 134 #if @GNULIB_ATOLL@ 135 # if !@HAVE_ATOLL@ 136 /* Parse a signed decimal integer. 137 Returns the value of the integer. Errors are not detected. */ 138 extern long long atoll (const char *string); 139 # endif 140 #elif defined GNULIB_POSIXCHECK 141 # undef atoll 142 # define atoll(s) \ 143 (GL_LINK_WARNING ("atoll is unportable - " \ 144 "use gnulib module atoll for portability"), \ 145 atoll (s)) 146 #endif 147 148 149 #if @GNULIB_GETLOADAVG@ 150 # if !@HAVE_DECL_GETLOADAVG@ 151 /* Store max(NELEM,3) load average numbers in LOADAVG[]. 152 The three numbers are the load average of the last 1 minute, the last 5 153 minutes, and the last 15 minutes, respectively. 154 LOADAVG is an array of NELEM numbers. */ 155 extern int getloadavg (double loadavg[], int nelem); 156 # endif 157 #elif defined GNULIB_POSIXCHECK 158 # undef getloadavg 159 # define getloadavg(l,n) \ 160 (GL_LINK_WARNING ("getloadavg is not portable - " \ 161 "use gnulib module getloadavg for portability"), \ 162 getloadavg (l, n)) 163 #endif 164 165 166 #if @GNULIB_GETSUBOPT@ 167 /* Assuming *OPTIONP is a comma separated list of elements of the form 168 "token" or "token=value", getsubopt parses the first of these elements. 169 If the first element refers to a "token" that is member of the given 170 NULL-terminated array of tokens: 171 - It replaces the comma with a NUL byte, updates *OPTIONP to point past 172 the first option and the comma, sets *VALUEP to the value of the 173 element (or NULL if it doesn't contain an "=" sign), 174 - It returns the index of the "token" in the given array of tokens. 175 Otherwise it returns -1, and *OPTIONP and *VALUEP are undefined. 176 For more details see the POSIX:2001 specification. 177 http://www.opengroup.org/susv3xsh/getsubopt.html */ 178 # if !@HAVE_GETSUBOPT@ 179 extern int getsubopt (char **optionp, char *const *tokens, char **valuep); 180 # endif 181 #elif defined GNULIB_POSIXCHECK 182 # undef getsubopt 183 # define getsubopt(o,t,v) \ 184 (GL_LINK_WARNING ("getsubopt is unportable - " \ 185 "use gnulib module getsubopt for portability"), \ 186 getsubopt (o, t, v)) 187 #endif 188 189 190 #if @GNULIB_MKDTEMP@ 191 # if !@HAVE_MKDTEMP@ 192 /* Create a unique temporary directory from TEMPLATE. 193 The last six characters of TEMPLATE must be "XXXXXX"; 194 they are replaced with a string that makes the directory name unique. 195 Returns TEMPLATE, or a null pointer if it cannot get a unique name. 196 The directory is created mode 700. */ 197 extern char * mkdtemp (char * /*template*/); 198 # endif 199 #elif defined GNULIB_POSIXCHECK 200 # undef mkdtemp 201 # define mkdtemp(t) \ 202 (GL_LINK_WARNING ("mkdtemp is unportable - " \ 203 "use gnulib module mkdtemp for portability"), \ 204 mkdtemp (t)) 205 #endif 206 207 208 #if @GNULIB_MKSTEMP@ 209 # if @REPLACE_MKSTEMP@ 210 /* Create a unique temporary file from TEMPLATE. 211 The last six characters of TEMPLATE must be "XXXXXX"; 212 they are replaced with a string that makes the file name unique. 213 The file is then created, ensuring it didn't exist before. 214 The file is created read-write (mask at least 0600 & ~umask), but it may be 215 world-readable and world-writable (mask 0666 & ~umask), depending on the 216 implementation. 217 Returns the open file descriptor if successful, otherwise -1 and errno 218 set. */ 219 # define mkstemp rpl_mkstemp 220 extern int mkstemp (char * /*template*/); 221 # else 222 /* On MacOS X 10.3, only <unistd.h> declares mkstemp. */ 223 # include <unistd.h> 224 # endif 225 #elif defined GNULIB_POSIXCHECK 226 # undef mkstemp 227 # define mkstemp(t) \ 228 (GL_LINK_WARNING ("mkstemp is unportable - " \ 229 "use gnulib module mkstemp for portability"), \ 230 mkstemp (t)) 231 #endif 232 233 234 #if @GNULIB_PUTENV@ 235 # if @REPLACE_PUTENV@ 236 # undef putenv 237 # define putenv rpl_putenv 238 extern int putenv (char *string); 239 # endif 240 #endif 241 242 243 #if @GNULIB_RANDOM_R@ 244 # if !@HAVE_RANDOM_R@ 245 246 # ifndef RAND_MAX 247 # define RAND_MAX 2147483647 248 # endif 249 250 int srandom_r (unsigned int seed, struct random_data *rand_state); 251 int initstate_r (unsigned int seed, char *buf, size_t buf_size, 252 struct random_data *rand_state); 253 int setstate_r (char *arg_state, struct random_data *rand_state); 254 int random_r (struct random_data *buf, int32_t *result); 255 # endif 256 #elif defined GNULIB_POSIXCHECK 257 # undef random_r 258 # define random_r(b,r) \ 259 (GL_LINK_WARNING ("random_r is unportable - " \ 260 "use gnulib module random_r for portability"), \ 261 random_r (b,r)) 262 # undef initstate_r 263 # define initstate_r(s,b,sz,r) \ 264 (GL_LINK_WARNING ("initstate_r is unportable - " \ 265 "use gnulib module random_r for portability"), \ 266 initstate_r (s,b,sz,r)) 267 # undef srandom_r 268 # define srandom_r(s,r) \ 269 (GL_LINK_WARNING ("srandom_r is unportable - " \ 270 "use gnulib module random_r for portability"), \ 271 srandom_r (s,r)) 272 # undef setstate_r 273 # define setstate_r(a,r) \ 274 (GL_LINK_WARNING ("setstate_r is unportable - " \ 275 "use gnulib module random_r for portability"), \ 276 setstate_r (a,r)) 277 #endif 278 279 280 #if @GNULIB_RPMATCH@ 281 # if !@HAVE_RPMATCH@ 282 /* Test a user response to a question. 283 Return 1 if it is affirmative, 0 if it is negative, or -1 if not clear. */ 284 extern int rpmatch (const char *response); 285 # endif 286 #elif defined GNULIB_POSIXCHECK 287 # undef rpmatch 288 # define rpmatch(r) \ 289 (GL_LINK_WARNING ("rpmatch is unportable - " \ 290 "use gnulib module rpmatch for portability"), \ 291 rpmatch (r)) 292 #endif 293 294 295 #if @GNULIB_SETENV@ 296 # if !@HAVE_SETENV@ 297 /* Set NAME to VALUE in the environment. 298 If REPLACE is nonzero, overwrite an existing value. */ 299 extern int setenv (const char *name, const char *value, int replace); 300 # endif 301 #endif 302 303 304 #if @GNULIB_UNSETENV@ 305 # if @HAVE_UNSETENV@ 306 # if @VOID_UNSETENV@ 307 /* On some systems, unsetenv() returns void. 308 This is the case for MacOS X 10.3, FreeBSD 4.8, NetBSD 1.6, OpenBSD 3.4. */ 309 # define unsetenv(name) ((unsetenv)(name), 0) 310 # endif 311 # else 312 /* Remove the variable NAME from the environment. */ 313 extern int unsetenv (const char *name); 314 # endif 315 #endif 316 317 318 #if @GNULIB_STRTOD@ 319 # if @REPLACE_STRTOD@ 320 # define strtod rpl_strtod 321 # endif 322 # if !@HAVE_STRTOD@ || @REPLACE_STRTOD@ 323 /* Parse a double from STRING, updating ENDP if appropriate. */ 324 extern double strtod (const char *str, char **endp); 325 # endif 326 #elif defined GNULIB_POSIXCHECK 327 # undef strtod 328 # define strtod(s, e) \ 329 (GL_LINK_WARNING ("strtod is unportable - " \ 330 "use gnulib module strtod for portability"), \ 331 strtod (s, e)) 332 #endif 333 334 335 #if @GNULIB_STRTOLL@ 336 # if !@HAVE_STRTOLL@ 337 /* Parse a signed integer whose textual representation starts at STRING. 338 The integer is expected to be in base BASE (2 <= BASE <= 36); if BASE == 0, 339 it may be decimal or octal (with prefix "0") or hexadecimal (with prefix 340 "0x"). 341 If ENDPTR is not NULL, the address of the first byte after the integer is 342 stored in *ENDPTR. 343 Upon overflow, the return value is LLONG_MAX or LLONG_MIN, and errno is set 344 to ERANGE. */ 345 extern long long strtoll (const char *string, char **endptr, int base); 346 # endif 347 #elif defined GNULIB_POSIXCHECK 348 # undef strtoll 349 # define strtoll(s,e,b) \ 350 (GL_LINK_WARNING ("strtoll is unportable - " \ 351 "use gnulib module strtoll for portability"), \ 352 strtoll (s, e, b)) 353 #endif 354 355 356 #if @GNULIB_STRTOULL@ 357 # if !@HAVE_STRTOULL@ 358 /* Parse an unsigned integer whose textual representation starts at STRING. 359 The integer is expected to be in base BASE (2 <= BASE <= 36); if BASE == 0, 360 it may be decimal or octal (with prefix "0") or hexadecimal (with prefix 361 "0x"). 362 If ENDPTR is not NULL, the address of the first byte after the integer is 363 stored in *ENDPTR. 364 Upon overflow, the return value is ULLONG_MAX, and errno is set to 365 ERANGE. */ 366 extern unsigned long long strtoull (const char *string, char **endptr, int base); 367 # endif 368 #elif defined GNULIB_POSIXCHECK 369 # undef strtoull 370 # define strtoull(s,e,b) \ 371 (GL_LINK_WARNING ("strtoull is unportable - " \ 372 "use gnulib module strtoull for portability"), \ 373 strtoull (s, e, b)) 374 #endif 375 376 377 #ifdef __cplusplus 378 } 379 #endif 380 381 #endif /* _GL_STDLIB_H */ 382 #endif /* _GL_STDLIB_H */ 383 #endif 384
