1 /* $NetBSD: stdlib.h,v 1.123 2021/07/03 14:07:13 christos 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 __constfunc 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 __constfunc 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 *mktemp(char *) 194 #ifdef __MKTEMP_OK__ 195 __RENAME(_mktemp) 196 #endif 197 ; 198 199 int setkey(const char *); 200 201 char *realpath(const char * __restrict, char * __restrict); 202 203 int ttyslot(void); 204 205 void *valloc(size_t); /* obsoleted by malloc() */ 206 207 int grantpt(int); 208 int unlockpt(int); 209 char *ptsname(int); 210 #endif 211 212 /* 213 * ISO C99 214 */ 215 #if defined(_ISOC99_SOURCE) || (__STDC_VERSION__ - 0) >= 199901L || \ 216 defined(_NETBSD_SOURCE) || (__cplusplus - 0) >= 201103L 217 218 /* LONGLONG */ 219 long long int atoll(const char *); 220 /* LONGLONG */ 221 long long int llabs(long long int); 222 /* LONGLONG */ 223 lldiv_t lldiv(long long int, long long int); 224 /* LONGLONG */ 225 long long int strtoll(const char * __restrict, char ** __restrict, int); 226 /* LONGLONG */ 227 unsigned long long int 228 strtoull(const char * __restrict, char ** __restrict, int); 229 float strtof(const char * __restrict, char ** __restrict); 230 long double strtold(const char * __restrict, char ** __restrict); 231 #endif 232 233 #if defined(_ISOC11_SOURCE) || (__STDC_VERSION__ - 0) >= 201101L || \ 234 defined(_NETBSD_SOURCE) || (__cplusplus - 0) >= 201103L 235 void *aligned_alloc(size_t, size_t); 236 int at_quick_exit(void (*)(void)); 237 __dead void quick_exit(int); 238 #endif 239 240 /* 241 * The Open Group Base Specifications, Issue 6; IEEE Std 1003.1-2001 (POSIX) 242 */ 243 #if (_POSIX_C_SOURCE - 0) >= 200112L || (_XOPEN_SOURCE - 0) >= 600 || \ 244 defined(_NETBSD_SOURCE) 245 int setenv(const char *, const char *, int); 246 #ifndef __LIBC12_SOURCE__ 247 int unsetenv(const char *) __RENAME(__unsetenv13); 248 #endif 249 250 int posix_openpt(int); 251 int posix_memalign(void **, size_t, size_t); 252 #endif 253 254 /* 255 * The Open Group Base Specifications, Issue 7; IEEE Std 1003.1-2008 (POSIX) 256 * or 257 * X/Open Portability Guide >= Issue 4 Version 2 258 */ 259 #if (_POSIX_C_SOURCE - 0) >= 200809L || \ 260 (defined(_XOPEN_SOURCE) && defined(_XOPEN_SOURCE_EXTENDED)) || \ 261 (_XOPEN_SOURCE - 0) >= 500 || defined(_NETBSD_SOURCE) 262 char *mkdtemp(char *); 263 int mkstemp(char *); 264 265 int getsubopt(char **, char * const *, char **); 266 #endif 267 268 /* 269 * Implementation-defined extensions 270 */ 271 #if defined(_NETBSD_SOURCE) 272 #if defined(alloca) && (alloca == __builtin_alloca) && \ 273 defined(__GNUC__) && (__GNUC__ < 2) 274 void *alloca(int); /* built-in for gcc */ 275 #elif defined(__PCC__) && !defined(__GNUC__) 276 #define alloca(size) __builtin_alloca(size) 277 #else 278 void *alloca(size_t); 279 #endif /* __GNUC__ */ 280 281 uint32_t arc4random(void); 282 void arc4random_stir(void); 283 void arc4random_buf(void *, size_t); 284 uint32_t arc4random_uniform(uint32_t); 285 void arc4random_addrandom(unsigned char *, int); 286 char *getbsize(int *, long *); 287 char *cgetcap(char *, const char *, int); 288 int cgetclose(void); 289 int cgetent(char **, const char * const *, const char *); 290 int cgetfirst(char **, const char * const *); 291 int cgetmatch(const char *, const char *); 292 int cgetnext(char **, const char * const *); 293 int cgetnum(char *, const char *, long *); 294 int cgetset(const char *); 295 int cgetstr(char *, const char *, char **); 296 int cgetustr(char *, const char *, char **); 297 void csetexpandtc(int); 298 299 int daemon(int, int); 300 int devname_r(dev_t, mode_t, char *, size_t); 301 #ifndef __LIBC12_SOURCE__ 302 __aconst char *devname(dev_t, mode_t) __RENAME(__devname50); 303 #endif 304 305 #define HN_DECIMAL 0x01 306 #define HN_NOSPACE 0x02 307 #define HN_B 0x04 308 #define HN_DIVISOR_1000 0x08 309 310 #define HN_GETSCALE 0x10 311 #define HN_AUTOSCALE 0x20 312 313 int humanize_number(char *, size_t, int64_t, const char *, int, int); 314 int dehumanize_number(const char *, int64_t *); 315 ssize_t hmac(const char *, const void *, size_t, const void *, size_t, void *, 316 size_t); 317 318 devmajor_t getdevmajor(const char *, mode_t); 319 int getloadavg(double [], int); 320 321 int getenv_r(const char *, char *, size_t); 322 323 void cfree(void *); 324 325 int heapsort(void *, size_t, size_t, int (*)(const void *, const void *)); 326 int mergesort(void *, size_t, size_t, 327 int (*)(const void *, const void *)); 328 int ptsname_r(int, char *, size_t); 329 int radixsort(const unsigned char **, int, const unsigned char *, 330 unsigned); 331 int sradixsort(const unsigned char **, int, const unsigned char *, 332 unsigned); 333 334 void mi_vector_hash(const void * __restrict, size_t, uint32_t, 335 uint32_t[3]); 336 337 void setproctitle(const char *, ...) 338 __printflike(1, 2); 339 const char *getprogname(void) __constfunc; 340 void setprogname(const char *); 341 342 quad_t qabs(quad_t); 343 quad_t strtoq(const char * __restrict, char ** __restrict, int); 344 u_quad_t strtouq(const char * __restrict, char ** __restrict, int); 345 346 /* LONGLONG */ 347 long long strsuftoll(const char *, const char *, long long, long long); 348 /* LONGLONG */ 349 long long strsuftollx(const char *, const char *, long long, long long, 350 char *, size_t); 351 352 int l64a_r(long, char *, int); 353 354 size_t shquote(const char *, char *, size_t); 355 size_t shquotev(int, char * const *, char *, size_t); 356 357 int reallocarr(void *, size_t, size_t); 358 #endif /* _NETBSD_SOURCE */ 359 #endif /* _POSIX_C_SOURCE || _XOPEN_SOURCE || _NETBSD_SOURCE */ 360 361 #if defined(_NETBSD_SOURCE) 362 qdiv_t qdiv(quad_t, quad_t); 363 #endif 364 365 #if (_POSIX_C_SOURCE - 0) >= 200809L || defined(_NETBSD_SOURCE) 366 # ifndef __LOCALE_T_DECLARED 367 typedef struct _locale *locale_t; 368 # define __LOCALE_T_DECLARED 369 # endif 370 double strtod_l(const char * __restrict, char ** __restrict, locale_t); 371 float strtof_l(const char * __restrict, char ** __restrict, locale_t); 372 long double strtold_l(const char * __restrict, char ** __restrict, 373 locale_t); 374 long strtol_l(const char * __restrict, char ** __restrict, int, locale_t); 375 unsigned long 376 strtoul_l(const char * __restrict, char ** __restrict, int, locale_t); 377 /* LONGLONG */ 378 long long int 379 strtoll_l(const char * __restrict, char ** __restrict, int, locale_t); 380 /* LONGLONG */ 381 unsigned long long int 382 strtoull_l(const char * __restrict, char ** __restrict, int, locale_t); 383 384 # if defined(_NETBSD_SOURCE) 385 quad_t strtoq_l(const char * __restrict, char ** __restrict, int, locale_t); 386 u_quad_t strtouq_l(const char * __restrict, char ** __restrict, int, locale_t); 387 388 size_t _mb_cur_max_l(locale_t); 389 #define MB_CUR_MAX_L(loc) _mb_cur_max_l(loc) 390 int mblen_l(const char *, size_t, locale_t); 391 size_t mbstowcs_l(wchar_t * __restrict, const char * __restrict, size_t, 392 locale_t); 393 int wctomb_l(char *, wchar_t, locale_t); 394 int mbtowc_l(wchar_t * __restrict, const char * __restrict, size_t, 395 locale_t); 396 size_t wcstombs_l(char * __restrict, const wchar_t * __restrict, size_t, 397 locale_t); 398 399 # endif /* _NETBSD_SOURCE */ 400 #endif /* _POSIX_C_SOURCE >= 200809 || _NETBSD_SOURCE */ 401 402 __END_DECLS 403 404 #endif /* !_STDLIB_H_ */ 405