1/* $NetBSD: stdlib.h,v 1.125 2022/10/28 09:43:59 wiz 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_ 47typedef _BSD_SIZE_T_ size_t; 48#undef _BSD_SIZE_T_ 49#endif 50 51#if defined(_BSD_WCHAR_T_) && !defined(__cplusplus) 52typedef _BSD_WCHAR_T_ wchar_t; 53#undef _BSD_WCHAR_T_ 54#endif 55 56typedef struct { 57 int quot; /* quotient */ 58 int rem; /* remainder */ 59} div_t; 60 61typedef 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)) 69typedef 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) 78typedef 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 92extern 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); 99int atexit(void (*)(void)); 100double atof(const char *); 101int atoi(const char *); 102long atol(const char *); 103#ifndef __BSEARCH_DECLARED 104#define __BSEARCH_DECLARED 105/* also in search.h */ 106void *bsearch(const void *, const void *, size_t, size_t, 107 int (*)(const void *, const void *)); 108#endif /* __BSEARCH_DECLARED */ 109void *calloc(size_t, size_t); 110div_t div(int, int); 111__dead void exit(int); 112void free(void *); 113__aconst char *getenv(const char *); 114__constfunc long 115 labs(long); 116ldiv_t ldiv(long, long); 117void *malloc(size_t); 118void qsort(void *, size_t, size_t, int (*)(const void *, const void *)); 119int rand(void); 120void *realloc(void *, size_t); 121void *reallocarray(void *, size_t, size_t); 122void srand(unsigned); 123double strtod(const char * __restrict, char ** __restrict); 124long strtol(const char * __restrict, char ** __restrict, int); 125unsigned long 126 strtoul(const char * __restrict, char ** __restrict, int); 127#ifdef _OPENBSD_SOURCE 128long long strtonum(const char *, long long, long long, const char **); 129#endif 130int system(const char *); 131 132/* These are currently just stubs. */ 133int mblen(const char *, size_t); 134size_t mbstowcs(wchar_t * __restrict, const char * __restrict, size_t); 135int wctomb(char *, wchar_t); 136int mbtowc(wchar_t * __restrict, const char * __restrict, size_t); 137size_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) 148int 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) 156double drand48(void); 157double erand48(unsigned short[3]); 158long jrand48(unsigned short[3]); 159void lcong48(unsigned short[7]); 160long lrand48(void); 161long mrand48(void); 162long nrand48(unsigned short[3]); 163unsigned short * 164 seed48(unsigned short[3]); 165void srand48(long); 166 167#ifndef __LIBC12_SOURCE__ 168int 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) 178long a64l(const char *); 179char *l64a(long); 180 181long random(void); 182char *setstate(char *); 183#ifndef __LIBC12_SOURCE__ 184char *initstate(unsigned int, char *, size_t) __RENAME(__initstate60); 185void srandom(unsigned int) __RENAME(__srandom60); 186#endif 187#ifdef _NETBSD_SOURCE 188#define RANDOM_MAX 0x7fffffff /* (((long)1 << 31) - 1) */ 189int mkostemp(char *, int); 190int mkostemps(char *, int, int); 191#endif 192 193char *mktemp(char *) 194#ifdef __MKTEMP_OK__ 195 __RENAME(_mktemp) 196#endif 197 ; 198 199int setkey(const char *); 200 201char *realpath(const char * __restrict, char * __restrict); 202 203int ttyslot(void); 204 205void *valloc(size_t); /* obsoleted by malloc() */ 206 207int grantpt(int); 208int unlockpt(int); 209char *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 */ 219long long int atoll(const char *); 220/* LONGLONG */ 221long long int llabs(long long int); 222/* LONGLONG */ 223lldiv_t lldiv(long long int, long long int); 224/* LONGLONG */ 225long long int strtoll(const char * __restrict, char ** __restrict, int); 226/* LONGLONG */ 227unsigned long long int 228 strtoull(const char * __restrict, char ** __restrict, int); 229float strtof(const char * __restrict, char ** __restrict); 230long 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 235void *aligned_alloc(size_t, size_t); 236int 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) 245int setenv(const char *, const char *, int); 246#ifndef __LIBC12_SOURCE__ 247int unsetenv(const char *) __RENAME(__unsetenv13); 248#endif 249 250int posix_openpt(int); 251int 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) 262char *mkdtemp(char *); 263int mkstemp(char *); 264 265int getsubopt(char **, char * const *, char **); 266#endif 267 268/* 269 * Implementation-defined extensions 270 */ 271#if defined(_NETBSD_SOURCE) 272#if defined(__PCC__) && !defined(__GNUC__) 273#define alloca(size) __builtin_alloca(size) 274#else 275void *alloca(size_t); 276#endif /* __GNUC__ */ 277 278uint32_t arc4random(void); 279void arc4random_stir(void); 280void arc4random_buf(void *, size_t); 281uint32_t arc4random_uniform(uint32_t); 282void arc4random_addrandom(unsigned char *, int); 283char *getbsize(int *, long *); 284char *cgetcap(char *, const char *, int); 285int cgetclose(void); 286int cgetent(char **, const char * const *, const char *); 287int cgetfirst(char **, const char * const *); 288int cgetmatch(const char *, const char *); 289int cgetnext(char **, const char * const *); 290int cgetnum(char *, const char *, long *); 291int cgetset(const char *); 292int cgetstr(char *, const char *, char **); 293int cgetustr(char *, const char *, char **); 294void csetexpandtc(int); 295 296int daemon(int, int); 297int devname_r(dev_t, mode_t, char *, size_t); 298#ifndef __LIBC12_SOURCE__ 299__aconst char *devname(dev_t, mode_t) __RENAME(__devname50); 300#endif 301 302#define HN_DECIMAL 0x01 303#define HN_NOSPACE 0x02 304#define HN_B 0x04 305#define HN_DIVISOR_1000 0x08 306 307#define HN_GETSCALE 0x10 308#define HN_AUTOSCALE 0x20 309 310int humanize_number(char *, size_t, int64_t, const char *, int, int); 311int dehumanize_number(const char *, int64_t *); 312ssize_t hmac(const char *, const void *, size_t, const void *, size_t, void *, 313 size_t); 314 315devmajor_t getdevmajor(const char *, mode_t); 316int getloadavg(double [], int); 317 318int getenv_r(const char *, char *, size_t); 319 320void cfree(void *); 321 322int heapsort(void *, size_t, size_t, int (*)(const void *, const void *)); 323int mergesort(void *, size_t, size_t, 324 int (*)(const void *, const void *)); 325int ptsname_r(int, char *, size_t); 326int radixsort(const unsigned char **, int, const unsigned char *, 327 unsigned); 328int sradixsort(const unsigned char **, int, const unsigned char *, 329 unsigned); 330 331void mi_vector_hash(const void * __restrict, size_t, uint32_t, 332 uint32_t[3]); 333 334void setproctitle(const char *, ...) 335 __printflike(1, 2); 336const char *getprogname(void) __constfunc; 337void setprogname(const char *); 338 339quad_t qabs(quad_t); 340quad_t strtoq(const char * __restrict, char ** __restrict, int); 341u_quad_t strtouq(const char * __restrict, char ** __restrict, int); 342 343 /* LONGLONG */ 344long long strsuftoll(const char *, const char *, long long, long long); 345 /* LONGLONG */ 346long long strsuftollx(const char *, const char *, long long, long long, 347 char *, size_t); 348 349int l64a_r(long, char *, int); 350 351size_t shquote(const char *, char *, size_t); 352size_t shquotev(int, char * const *, char *, size_t); 353 354int reallocarr(void *, size_t, size_t); 355#endif /* _NETBSD_SOURCE */ 356#endif /* _POSIX_C_SOURCE || _XOPEN_SOURCE || _NETBSD_SOURCE */ 357 358#if defined(_NETBSD_SOURCE) 359qdiv_t qdiv(quad_t, quad_t); 360#endif 361 362#if (_POSIX_C_SOURCE - 0) >= 200809L || defined(_NETBSD_SOURCE) 363# ifndef __LOCALE_T_DECLARED 364typedef struct _locale *locale_t; 365# define __LOCALE_T_DECLARED 366# endif 367double strtod_l(const char * __restrict, char ** __restrict, locale_t); 368float strtof_l(const char * __restrict, char ** __restrict, locale_t); 369long double strtold_l(const char * __restrict, char ** __restrict, 370 locale_t); 371long strtol_l(const char * __restrict, char ** __restrict, int, locale_t); 372unsigned long 373 strtoul_l(const char * __restrict, char ** __restrict, int, locale_t); 374/* LONGLONG */ 375long long int 376 strtoll_l(const char * __restrict, char ** __restrict, int, locale_t); 377/* LONGLONG */ 378unsigned long long int 379 strtoull_l(const char * __restrict, char ** __restrict, int, locale_t); 380 381# if defined(_NETBSD_SOURCE) 382quad_t strtoq_l(const char * __restrict, char ** __restrict, int, locale_t); 383u_quad_t strtouq_l(const char * __restrict, char ** __restrict, int, locale_t); 384 385size_t _mb_cur_max_l(locale_t); 386#define MB_CUR_MAX_L(loc) _mb_cur_max_l(loc) 387int mblen_l(const char *, size_t, locale_t); 388size_t mbstowcs_l(wchar_t * __restrict, const char * __restrict, size_t, 389 locale_t); 390int wctomb_l(char *, wchar_t, locale_t); 391int mbtowc_l(wchar_t * __restrict, const char * __restrict, size_t, 392 locale_t); 393size_t wcstombs_l(char * __restrict, const wchar_t * __restrict, size_t, 394 locale_t); 395 396# endif /* _NETBSD_SOURCE */ 397#endif /* _POSIX_C_SOURCE >= 200809 || _NETBSD_SOURCE */ 398 399__END_DECLS 400 401#endif /* !_STDLIB_H_ */ 402