1 /* $NetBSD: stdlib.h,v 1.115 2015/02/17 20:33:40 joerg Exp $ */ 2 3 /*- 4 * Copyright (c) 1990, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 * 31 * @(#)stdlib.h 8.5 (Berkeley) 5/19/95 32 */ 33 34 #ifndef _STDLIB_H_ 35 #define _STDLIB_H_ 36 37 #include <sys/cdefs.h> 38 #include <sys/featuretest.h> 39 40 #if defined(_NETBSD_SOURCE) 41 #include <sys/types.h> /* for quad_t, etc. */ 42 #endif 43 44 #include <machine/ansi.h> 45 46 #ifdef _BSD_SIZE_T_ 47 typedef _BSD_SIZE_T_ size_t; 48 #undef _BSD_SIZE_T_ 49 #endif 50 51 #if defined(_BSD_WCHAR_T_) && !defined(__cplusplus) 52 typedef _BSD_WCHAR_T_ wchar_t; 53 #undef _BSD_WCHAR_T_ 54 #endif 55 56 typedef struct { 57 int quot; /* quotient */ 58 int rem; /* remainder */ 59 } div_t; 60 61 typedef struct { 62 long quot; /* quotient */ 63 long rem; /* remainder */ 64 } ldiv_t; 65 66 #if !defined(_ANSI_SOURCE) && \ 67 (defined(_ISOC99_SOURCE) || (__STDC_VERSION__ - 0) >= 199901L || \ 68 (__cplusplus - 0) >= 201103L || defined(_NETBSD_SOURCE)) 69 typedef struct { 70 /* LONGLONG */ 71 long long int quot; /* quotient */ 72 /* LONGLONG */ 73 long long int rem; /* remainder */ 74 } lldiv_t; 75 #endif 76 77 #if defined(_NETBSD_SOURCE) 78 typedef struct { 79 quad_t quot; /* quotient */ 80 quad_t rem; /* remainder */ 81 } qdiv_t; 82 #endif 83 84 85 #include <sys/null.h> 86 87 #define EXIT_FAILURE 1 88 #define EXIT_SUCCESS 0 89 90 #define RAND_MAX 0x7fffffff 91 92 extern size_t __mb_cur_max; 93 #define MB_CUR_MAX __mb_cur_max 94 95 __BEGIN_DECLS 96 __dead void _Exit(int); 97 __dead void abort(void); 98 __pure int abs(int); 99 int atexit(void (*)(void)); 100 double atof(const char *); 101 int atoi(const char *); 102 long atol(const char *); 103 #ifndef __BSEARCH_DECLARED 104 #define __BSEARCH_DECLARED 105 /* also in search.h */ 106 void *bsearch(const void *, const void *, size_t, size_t, 107 int (*)(const void *, const void *)); 108 #endif /* __BSEARCH_DECLARED */ 109 void *calloc(size_t, size_t); 110 div_t div(int, int); 111 __dead void exit(int); 112 void free(void *); 113 __aconst char *getenv(const char *); 114 __pure long 115 labs(long); 116 ldiv_t ldiv(long, long); 117 void *malloc(size_t); 118 void qsort(void *, size_t, size_t, int (*)(const void *, const void *)); 119 int rand(void); 120 void *realloc(void *, size_t); 121 void srand(unsigned); 122 double strtod(const char * __restrict, char ** __restrict); 123 long strtol(const char * __restrict, char ** __restrict, int); 124 unsigned long 125 strtoul(const char * __restrict, char ** __restrict, int); 126 #ifdef _OPENBSD_SOURCE 127 long long strtonum(const char *, long long, long long, const char **); 128 void *reallocarray(void *, size_t, size_t); 129 #endif 130 int system(const char *); 131 132 /* These are currently just stubs. */ 133 int mblen(const char *, size_t); 134 size_t mbstowcs(wchar_t * __restrict, const char * __restrict, size_t); 135 int wctomb(char *, wchar_t); 136 int mbtowc(wchar_t * __restrict, const char * __restrict, size_t); 137 size_t wcstombs(char * __restrict, const wchar_t * __restrict, size_t); 138 139 #if defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE) || \ 140 defined(_NETBSD_SOURCE) 141 142 143 /* 144 * IEEE Std 1003.1c-95, also adopted by X/Open CAE Spec Issue 5 Version 2 145 */ 146 #if (_POSIX_C_SOURCE - 0) >= 199506L || (_XOPEN_SOURCE - 0) >= 500 || \ 147 defined(_REENTRANT) || defined(_NETBSD_SOURCE) 148 int rand_r(unsigned int *); 149 #endif 150 151 152 /* 153 * X/Open Portability Guide >= Issue 4 154 */ 155 #if defined(_XOPEN_SOURCE) || defined(_NETBSD_SOURCE) 156 double drand48(void); 157 double erand48(unsigned short[3]); 158 long jrand48(unsigned short[3]); 159 void lcong48(unsigned short[7]); 160 long lrand48(void); 161 long mrand48(void); 162 long nrand48(unsigned short[3]); 163 unsigned short * 164 seed48(unsigned short[3]); 165 void srand48(long); 166 167 #ifndef __LIBC12_SOURCE__ 168 int putenv(char *) __RENAME(__putenv50); 169 #endif 170 #endif 171 172 173 /* 174 * X/Open Portability Guide >= Issue 4 Version 2 175 */ 176 #if (defined(_XOPEN_SOURCE) && defined(_XOPEN_SOURCE_EXTENDED)) || \ 177 (_XOPEN_SOURCE - 0) >= 500 || defined(_NETBSD_SOURCE) 178 long a64l(const char *); 179 char *l64a(long); 180 181 long random(void); 182 char *setstate(char *); 183 #ifndef __LIBC12_SOURCE__ 184 char *initstate(unsigned int, char *, size_t) __RENAME(__initstate60); 185 void srandom(unsigned int) __RENAME(__srandom60); 186 #endif 187 #ifdef _NETBSD_SOURCE 188 #define RANDOM_MAX 0x7fffffff /* (((long)1 << 31) - 1) */ 189 int mkostemp(char *, int); 190 int mkostemps(char *, int, int); 191 #endif 192 193 char *mkdtemp(char *); 194 int mkstemp(char *); 195 char *mktemp(char *) 196 #ifdef __MKTEMP_OK__ 197 __RENAME(_mktemp) 198 #endif 199 ; 200 201 int setkey(const char *); 202 203 char *realpath(const char * __restrict, char * __restrict); 204 205 int ttyslot(void); 206 207 void *valloc(size_t); /* obsoleted by malloc() */ 208 209 int grantpt(int); 210 int unlockpt(int); 211 char *ptsname(int); 212 #endif 213 214 /* 215 * ISO C99 216 */ 217 #if defined(_ISOC99_SOURCE) || (__STDC_VERSION__ - 0) >= 199901L || \ 218 defined(_NETBSD_SOURCE) || (__cplusplus - 0) >= 201103L 219 220 /* LONGLONG */ 221 long long int atoll(const char *); 222 /* LONGLONG */ 223 long long int llabs(long long int); 224 /* LONGLONG */ 225 lldiv_t lldiv(long long int, long long int); 226 /* LONGLONG */ 227 long long int strtoll(const char * __restrict, char ** __restrict, int); 228 /* LONGLONG */ 229 unsigned long long int 230 strtoull(const char * __restrict, char ** __restrict, int); 231 float strtof(const char * __restrict, char ** __restrict); 232 long double strtold(const char * __restrict, char ** __restrict); 233 #endif 234 235 #if defined(_ISOC11_SOURCE) || (__STDC_VERSION__ - 0) >= 201101L || \ 236 defined(_NETBSD_SOURCE) || (__cplusplus - 0) >= 201103L 237 int at_quick_exit(void (*)(void)); 238 __dead void quick_exit(int); 239 #endif 240 241 /* 242 * The Open Group Base Specifications, Issue 6; IEEE Std 1003.1-2001 (POSIX) 243 */ 244 #if (_POSIX_C_SOURCE - 0) >= 200112L || (_XOPEN_SOURCE - 0) >= 600 || \ 245 defined(_NETBSD_SOURCE) 246 int setenv(const char *, const char *, int); 247 #ifndef __LIBC12_SOURCE__ 248 int unsetenv(const char *) __RENAME(__unsetenv13); 249 #endif 250 251 int posix_openpt(int); 252 int posix_memalign(void **, size_t, size_t); 253 #endif 254 255 /* 256 * Implementation-defined extensions 257 */ 258 #if defined(_NETBSD_SOURCE) 259 #if defined(alloca) && (alloca == __builtin_alloca) && \ 260 defined(__GNUC__) && (__GNUC__ < 2) 261 void *alloca(int); /* built-in for gcc */ 262 #elif defined(__PCC__) && !defined(__GNUC__) 263 #define alloca(size) __builtin_alloca(size) 264 #else 265 void *alloca(size_t); 266 #endif /* __GNUC__ */ 267 268 uint32_t arc4random(void); 269 void arc4random_stir(void); 270 void arc4random_buf(void *, size_t); 271 uint32_t arc4random_uniform(uint32_t); 272 void arc4random_addrandom(u_char *, int); 273 char *getbsize(int *, long *); 274 char *cgetcap(char *, const char *, int); 275 int cgetclose(void); 276 int cgetent(char **, const char * const *, const char *); 277 int cgetfirst(char **, const char * const *); 278 int cgetmatch(const char *, const char *); 279 int cgetnext(char **, const char * const *); 280 int cgetnum(char *, const char *, long *); 281 int cgetset(const char *); 282 int cgetstr(char *, const char *, char **); 283 int cgetustr(char *, const char *, char **); 284 void csetexpandtc(int); 285 286 int daemon(int, int); 287 int devname_r(dev_t, mode_t, char *, size_t); 288 #ifndef __LIBC12_SOURCE__ 289 __aconst char *devname(dev_t, mode_t) __RENAME(__devname50); 290 #endif 291 292 #define HN_DECIMAL 0x01 293 #define HN_NOSPACE 0x02 294 #define HN_B 0x04 295 #define HN_DIVISOR_1000 0x08 296 297 #define HN_GETSCALE 0x10 298 #define HN_AUTOSCALE 0x20 299 300 int humanize_number(char *, size_t, int64_t, const char *, int, int); 301 int dehumanize_number(const char *, int64_t *); 302 303 #if !defined(__minix) 304 devmajor_t getdevmajor(const char *, mode_t); 305 #endif /* !defined(__minix) */ 306 int getloadavg(double [], int); 307 308 int getenv_r(const char *, char *, size_t); 309 310 void cfree(void *); 311 312 int heapsort(void *, size_t, size_t, int (*)(const void *, const void *)); 313 int mergesort(void *, size_t, size_t, 314 int (*)(const void *, const void *)); 315 int ptsname_r(int, char *, size_t); 316 int radixsort(const unsigned char **, int, const unsigned char *, 317 unsigned); 318 int sradixsort(const unsigned char **, int, const unsigned char *, 319 unsigned); 320 321 void mi_vector_hash(const void * __restrict, size_t, uint32_t, 322 uint32_t[3]); 323 324 void setproctitle(const char *, ...) 325 __printflike(1, 2); 326 const char *getprogname(void) __constfunc; 327 void setprogname(const char *); 328 329 quad_t qabs(quad_t); 330 quad_t strtoq(const char * __restrict, char ** __restrict, int); 331 u_quad_t strtouq(const char * __restrict, char ** __restrict, int); 332 333 /* LONGLONG */ 334 long long strsuftoll(const char *, const char *, long long, long long); 335 /* LONGLONG */ 336 long long strsuftollx(const char *, const char *, long long, long long, 337 char *, size_t); 338 339 int l64a_r(long, char *, int); 340 341 size_t shquote(const char *, char *, size_t); 342 size_t shquotev(int, char * const *, char *, size_t); 343 344 int reallocarr(void *, size_t, size_t); 345 #endif /* _NETBSD_SOURCE */ 346 #endif /* _POSIX_C_SOURCE || _XOPEN_SOURCE || _NETBSD_SOURCE */ 347 348 #if defined(_NETBSD_SOURCE) 349 qdiv_t qdiv(quad_t, quad_t); 350 #endif 351 352 #if (_POSIX_C_SOURCE - 0) >= 200809L || defined(_NETBSD_SOURCE) 353 # ifndef __LOCALE_T_DECLARED 354 typedef struct _locale *locale_t; 355 # define __LOCALE_T_DECLARED 356 # endif 357 double strtod_l(const char * __restrict, char ** __restrict, locale_t); 358 float strtof_l(const char * __restrict, char ** __restrict, locale_t); 359 long double strtold_l(const char * __restrict, char ** __restrict, 360 locale_t); 361 long strtol_l(const char * __restrict, char ** __restrict, int, locale_t); 362 unsigned long 363 strtoul_l(const char * __restrict, char ** __restrict, int, locale_t); 364 /* LONGLONG */ 365 long long int 366 strtoll_l(const char * __restrict, char ** __restrict, int, locale_t); 367 /* LONGLONG */ 368 unsigned long long int 369 strtoull_l(const char * __restrict, char ** __restrict, int, locale_t); 370 371 # if defined(_NETBSD_SOURCE) 372 quad_t strtoq_l(const char * __restrict, char ** __restrict, int, locale_t); 373 u_quad_t strtouq_l(const char * __restrict, char ** __restrict, int, locale_t); 374 375 size_t _mb_cur_max_l(locale_t); 376 #define MB_CUR_MAX_L(loc) _mb_cur_max_l(loc) 377 int mblen_l(const char *, size_t, locale_t); 378 size_t mbstowcs_l(wchar_t * __restrict, const char * __restrict, size_t, 379 locale_t); 380 int wctomb_l(char *, wchar_t, locale_t); 381 int mbtowc_l(wchar_t * __restrict, const char * __restrict, size_t, 382 locale_t); 383 size_t wcstombs_l(char * __restrict, const wchar_t * __restrict, size_t, 384 locale_t); 385 386 # endif /* _NETBSD_SOURCE */ 387 #endif /* _POSIX_C_SOURCE >= 200809 || _NETBSD_SOURCE */ 388 389 __END_DECLS 390 391 #endif /* !_STDLIB_H_ */ 392