1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright 2014 Garrett D'Amore <garrett@damore.org> 24 * Copyright (c) 2013 Gary Mills 25 * 26 * Copyright (c) 1989, 2010, Oracle and/or its affiliates. All rights reserved. 27 */ 28 29 /* 30 * Copyright (c) 2013, OmniTI Computer Consulting, Inc. All rights reserved. 31 * Copyright 2020 OmniOS Community Edition (OmniOSce) Association. 32 * Copyright 2025 Oxide Computer Company 33 */ 34 35 /* Copyright (c) 1988 AT&T */ 36 /* All Rights Reserved */ 37 38 #ifndef _STDLIB_H 39 #define _STDLIB_H 40 41 #include <iso/stdlib_iso.h> 42 #include <iso/stdlib_c99.h> 43 #include <iso/stdlib_c11.h> 44 45 #if defined(__EXTENSIONS__) || defined(_XPG4) 46 #include <sys/wait.h> 47 #endif 48 49 /* 50 * Allow global visibility for symbols defined in 51 * C++ "std" namespace in <iso/stdlib_iso.h>. 52 */ 53 #if __cplusplus >= 199711L 54 using std::div_t; 55 using std::ldiv_t; 56 using std::size_t; 57 using std::abort; 58 using std::abs; 59 using std::atexit; 60 using std::atof; 61 using std::atoi; 62 using std::atol; 63 using std::bsearch; 64 using std::calloc; 65 using std::div; 66 using std::exit; 67 using std::free; 68 using std::getenv; 69 using std::labs; 70 using std::ldiv; 71 using std::malloc; 72 using std::mblen; 73 using std::mbstowcs; 74 using std::mbtowc; 75 using std::qsort; 76 using std::rand; 77 using std::realloc; 78 using std::srand; 79 using std::strtod; 80 using std::strtol; 81 using std::strtoul; 82 using std::system; 83 using std::wcstombs; 84 using std::wctomb; 85 #endif 86 87 /* 88 * Allow global visibility for symbols defined in 89 * C++ "std" namespace in <iso/stdlib_c11.h>. 90 */ 91 #if __cplusplus >= 201103L 92 using std::at_quick_exit; 93 using std::quick_exit; 94 #endif 95 #if __cplusplus >= 201703L 96 using std::aligned_alloc; 97 #endif 98 99 #ifdef __cplusplus 100 extern "C" { 101 #endif 102 103 #ifndef _UID_T 104 #define _UID_T 105 typedef unsigned int uid_t; /* UID type */ 106 #endif /* !_UID_T */ 107 108 /* large file compilation environment setup */ 109 #if !defined(_LP64) && _FILE_OFFSET_BITS == 64 110 111 #ifdef __PRAGMA_REDEFINE_EXTNAME 112 #pragma redefine_extname mkstemp mkstemp64 113 #pragma redefine_extname mkstemps mkstemps64 114 #pragma redefine_extname mkostemp mkostemp64 115 #pragma redefine_extname mkostemps mkostemps64 116 #else /* __PRAGMA_REDEFINE_EXTNAME */ 117 #define mkstemp mkstemp64 118 #define mkstemps mkstemps64 119 #define mkostemp mkostemp64 120 #define mkostemps mkostemps64 121 #endif /* __PRAGMA_REDEFINE_EXTNAME */ 122 123 #endif /* _FILE_OFFSET_BITS == 64 */ 124 125 /* In the LP64 compilation environment, all APIs are already large file */ 126 #if defined(_LP64) && defined(_LARGEFILE64_SOURCE) 127 128 #ifdef __PRAGMA_REDEFINE_EXTNAME 129 #pragma redefine_extname mkstemp64 mkstemp 130 #pragma redefine_extname mkstemps64 mkstemps 131 #pragma redefine_extname mkostemp64 mkostemp 132 #pragma redefine_extname mkostemps64 mkostemps 133 #else /* __PRAGMA_REDEFINE_EXTNAME */ 134 #define mkstemp64 mkstemp 135 #define mkstemps64 mkstemps 136 #define mkostemp64 mkostemp 137 #define mkostemps64 mkostemps 138 #endif /* __PRAGMA_REDEFINE_EXTNAME */ 139 140 #endif /* _LP64 && _LARGEFILE64_SOURCE */ 141 142 #if defined(__EXTENSIONS__) || \ 143 (!defined(_STRICT_STDC) && !defined(__XOPEN_OR_POSIX)) || \ 144 (_POSIX_C_SOURCE - 0 >= 199506L) || defined(_REENTRANT) 145 extern int rand_r(unsigned int *); 146 #endif 147 148 extern void _exithandle(void); 149 150 #if defined(__EXTENSIONS__) || \ 151 (!defined(_STRICT_STDC) && !defined(_POSIX_C_SOURCE)) || \ 152 defined(_XPG4) 153 extern double drand48(void); 154 extern double erand48(unsigned short *); 155 extern long jrand48(unsigned short *); 156 extern void lcong48(unsigned short *); 157 extern long lrand48(void); 158 extern long mrand48(void); 159 extern long nrand48(unsigned short *); 160 extern unsigned short *seed48(unsigned short *); 161 extern void srand48(long); 162 extern int putenv(char *); 163 extern void setkey(const char *); 164 #endif /* defined(__EXTENSIONS__) || !defined(_STRICT_STDC) ... */ 165 166 /* 167 * swab() has historically been in <stdlib.h> as delivered from AT&T 168 * and continues to be visible in the default compilation environment. 169 * As of Issue 4 of the X/Open Portability Guides, swab() was declared 170 * in <unistd.h>. As a result, with respect to X/Open namespace the 171 * swab() declaration in this header is only visible for the XPG3 172 * environment. 173 */ 174 #if (defined(__EXTENSIONS__) || \ 175 (!defined(_STRICT_STDC__) && !defined(_POSIX_C_SOURCE))) && \ 176 (!defined(_XOPEN_SOURCE) || (defined(_XPG3) && !defined(_XPG4))) 177 #ifndef _SSIZE_T 178 #define _SSIZE_T 179 #if defined(_LP64) || defined(_I32LPx) 180 typedef long ssize_t; /* size of something in bytes or -1 */ 181 #else 182 typedef int ssize_t; /* (historical version) */ 183 #endif 184 #endif /* !_SSIZE_T */ 185 186 extern void swab(const char *, char *, ssize_t); 187 #endif /* defined(__EXTENSIONS__) || !defined(_STRICT_STDC) ... */ 188 189 #if defined(__EXTENSIONS__) || \ 190 !defined(__XOPEN_OR_POSIX) || defined(_XPG4_2) || \ 191 (defined(_LARGEFILE_SOURCE) && _FILE_OFFSET_BITS == 64) 192 extern int mkstemp(char *); 193 #if !defined(_XPG4_2) || defined(__EXTENSIONS__) 194 extern int mkstemps(char *, int); 195 #endif 196 #endif /* defined(__EXTENSIONS__) ... */ 197 198 #if defined(_LARGEFILE64_SOURCE) && !((_FILE_OFFSET_BITS == 64) && \ 199 !defined(__PRAGMA_REDEFINE_EXTNAME)) 200 extern int mkstemp64(char *); 201 #if !defined(_XPG4_2) || defined(__EXTENSIONS__) 202 extern int mkstemps64(char *, int); 203 #endif 204 #endif /* _LARGEFILE64_SOURCE... */ 205 206 #if !defined(_STRICT_SYMBOLS) || defined(_XPG7) 207 extern char *mkdtemp(char *); 208 #endif /* !_STRICT_SYMBOLS || _XPG7 */ 209 210 #if !defined(_STRICT_SYMBOLS) || defined(_XPG8) 211 extern int mkostemp(char *, int); 212 #if defined(_LARGEFILE64_SOURCE) && !((_FILE_OFFSET_BITS == 64) && \ 213 !defined(__PRAGMA_REDEFINE_EXTNAME)) 214 extern int mkostemp64(char *, int); 215 #endif /* _LARGEFILE64_SOURCE || !((_FILE_OFFSET_BITS == 64) ... */ 216 #endif /* !_STRICT_SYMBOLS || _XPG8 */ 217 218 #if !defined(_STRICT_SYMBOLS) 219 extern int mkostemps(char *, int, int); 220 #if defined(_LARGEFILE64_SOURCE) && !((_FILE_OFFSET_BITS == 64) && \ 221 !defined(__PRAGMA_REDEFINE_EXTNAME)) 222 extern int mkostemps64(char *, int, int); 223 #endif /* _LARGEFILE64_SOURCE || !((_FILE_OFFSET_BITS == 64) ... */ 224 #endif /* !_STRICT_SYMBOLS */ 225 226 227 #if defined(__EXTENSIONS__) || \ 228 (!defined(_STRICT_STDC) && !defined(__XOPEN_OR_POSIX)) || \ 229 defined(_XPG4_2) 230 extern long a64l(const char *); 231 extern char *ecvt(double, int, int *_RESTRICT_KYWD, int *_RESTRICT_KYWD); 232 extern char *fcvt(double, int, int *_RESTRICT_KYWD, int *_RESTRICT_KYWD); 233 extern char *gcvt(double, int, char *); 234 extern int getsubopt(char **, char *const *, char **); 235 extern int grantpt(int); 236 extern char *initstate(unsigned, char *, size_t); 237 extern char *l64a(long); 238 extern char *mktemp(char *); 239 extern char *ptsname(int); 240 extern long random(void); 241 extern char *realpath(const char *_RESTRICT_KYWD, char *_RESTRICT_KYWD); 242 extern char *setstate(const char *); 243 extern void srandom(unsigned); 244 extern int unlockpt(int); 245 /* Marked LEGACY in SUSv2 and removed in SUSv3 */ 246 #if !defined(_XPG6) || defined(__EXTENSIONS__) 247 extern int ttyslot(void); 248 extern void *valloc(size_t); 249 #endif /* !defined(_XPG6) || defined(__EXTENSIONS__) */ 250 #endif /* defined(__EXTENSIONS__) || ... || defined(_XPG4_2) */ 251 252 #if defined(__EXTENSIONS__) || \ 253 (!defined(_STRICT_STDC) && !defined(__XOPEN_OR_POSIX)) || \ 254 defined(_XPG6) 255 extern int posix_memalign(void **, size_t, size_t); 256 extern int posix_openpt(int); 257 extern int setenv(const char *, const char *, int); 258 extern int unsetenv(const char *); 259 #endif 260 261 /* 262 * In strict XPG4v2 mode, slave pseudo terminal devices behave differently. 263 * See the block comment in usr/src/lib/libc/port/gen/pt.c 264 */ 265 #if defined(_STRICT_SYMBOLS) && defined(_XPG4_2) 266 #ifdef __PRAGMA_REDEFINE_EXTNAME 267 #pragma redefine_extname unlockpt __unlockpt_xpg4 268 #else 269 extern int __unlockpt_xpg4(int); 270 #define unlockpt __unlockpt_xpg4 271 #endif 272 #endif /* defined(_STRICT_SYMBOLS) && defined(_XPG4_2) */ 273 274 #if defined(__EXTENSIONS__) || \ 275 (!defined(_STRICT_STDC) && !defined(__XOPEN_OR_POSIX)) 276 extern char *canonicalize_file_name(const char *); 277 extern int clearenv(void); 278 extern void closefrom(int); 279 extern int daemon(int, int); 280 extern int dup2(int, int); 281 extern int dup3(int, int, int); 282 extern int fdwalk(int (*)(void *, int), void *); 283 extern char *qecvt(long double, int, int *, int *); 284 extern char *qfcvt(long double, int, int *, int *); 285 extern char *qgcvt(long double, int, char *); 286 extern char *getcwd(char *, size_t); 287 extern const char *getexecname(void); 288 289 #ifndef __GETLOGIN_DEFINED /* Avoid duplicate in unistd.h */ 290 #define __GETLOGIN_DEFINED 291 #ifndef __USE_LEGACY_LOGNAME__ 292 #ifdef __PRAGMA_REDEFINE_EXTNAME 293 #pragma redefine_extname getlogin getloginx 294 #else /* __PRAGMA_REDEFINE_EXTNAME */ 295 extern char *getloginx(void); 296 #define getlogin getloginx 297 #endif /* __PRAGMA_REDEFINE_EXTNAME */ 298 #endif /* __USE_LEGACY_LOGNAME__ */ 299 extern char *getlogin(void); 300 #endif /* __GETLOGIN_DEFINED */ 301 302 extern int getopt(int, char *const *, const char *); 303 extern char *optarg; 304 extern int optind, opterr, optopt; 305 extern char *getpass(const char *); 306 extern char *getpassphrase(const char *); 307 extern int getpw(uid_t, char *); 308 extern int isatty(int); 309 extern void *memalign(size_t, size_t); 310 extern char *ttyname(int); 311 extern char *mkdtemp(char *); 312 extern const char *getprogname(void); 313 extern void setprogname(const char *); 314 315 #if !defined(_STRICT_STDC) && defined(_LONGLONG_TYPE) 316 extern char *lltostr(long long, char *); 317 extern char *ulltostr(unsigned long long, char *); 318 #endif /* !defined(_STRICT_STDC) && defined(_LONGLONG_TYPE) */ 319 320 #endif /* defined(__EXTENSIONS__) || !defined(_STRICT_STDC) ... */ 321 322 /* OpenBSD and misc. compatibility functions */ 323 #if !defined(_STRICT_SYMBOLS) 324 325 #include <inttypes.h> 326 extern uint32_t arc4random(void); 327 extern void arc4random_buf(void *, size_t); 328 extern uint32_t arc4random_uniform(uint32_t); 329 extern void freezero(void *, size_t); 330 extern void *recallocarray(void *, size_t, size_t, size_t); 331 extern long long strtonum(const char *, long long, long long, const char **); 332 extern long long strtonumx(const char *, long long, long long, const char **, 333 int); 334 extern void *reallocf(void *, size_t); 335 #endif /* !_STRICT_SYBMOLS */ 336 337 /* 338 * POSIX 2024 functions. 339 */ 340 #if !defined(_STRICT_SYMBOLS) || defined(_XPG8) 341 extern int ptsname_r(int, char *, size_t); 342 extern void qsort_r(void *, size_t, size_t, 343 int (*)(const void *, const void *, void *), void *); 344 extern void *reallocarray(void *, size_t, size_t); 345 extern char *secure_getenv(const char *); 346 #endif /* !_STRICT_SYMBOLS || _XPG8 */ 347 348 #ifdef __cplusplus 349 } 350 #endif 351 352 #endif /* _STDLIB_H */ 353