include/stdlib.h

   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 /* Copyright (c) 2013, OmniTI Computer Consulting, Inc. All rights reserved. */
  30
  31 /*      Copyright (c) 1988 AT&T */
  32 /*        All Rights Reserved   */
  33
  34 #ifndef _STDLIB_H
  35 #define _STDLIB_H
  36
  37 #include <iso/stdlib_iso.h>
  38 #include <iso/stdlib_c99.h>
  39 #include <iso/stdlib_c11.h>
  40
  41 #if defined(__EXTENSIONS__) || defined(_XPG4)
  42 #include <sys/wait.h>
  43 #endif
  44
  45 /*
  46  * Allow global visibility for symbols defined in
  47  * C++ "std" namespace in <iso/stdlib_iso.h>.
  48  */
  49 #if __cplusplus >= 199711L
  50 using std::div_t;
  51 using std::ldiv_t;
  52 using std::size_t;
  53 using std::abort;
  54 using std::abs;
  55 using std::atexit;
  56 using std::atof;
  57 using std::atoi;
  58 using std::atol;
  59 using std::bsearch;
  60 using std::calloc;
  61 using std::div;
  62 using std::exit;
  63 using std::free;
  64 using std::getenv;
  65 using std::labs;
  66 using std::ldiv;
  67 using std::malloc;
  68 using std::mblen;
  69 using std::mbstowcs;
  70 using std::mbtowc;
  71 using std::qsort;
  72 using std::rand;
  73 using std::realloc;
  74 using std::srand;
  75 using std::strtod;
  76 using std::strtol;
  77 using std::strtoul;
  78 using std::system;
  79 using std::wcstombs;
  80 using std::wctomb;
  81 #endif
  82
  83 #ifdef  __cplusplus
  84 extern "C" {
  85 #endif
  86
  87 #ifndef _UID_T
  88 #define _UID_T
  89 typedef unsigned int    uid_t;          /* UID type             */
  90 #endif  /* !_UID_T */
  91
  92 /* large file compilation environment setup */
  93 #if !defined(_LP64) && _FILE_OFFSET_BITS == 64
  94
  95 #ifdef  __PRAGMA_REDEFINE_EXTNAME
  96 #pragma redefine_extname        mkstemp         mkstemp64
  97 #pragma redefine_extname        mkstemps        mkstemps64
  98 #pragma redefine_extname        mkostemp        mkostemp64
  99 #pragma redefine_extname        mkostemps       mkostemps64
 100 #else   /* __PRAGMA_REDEFINE_EXTNAME */
 101 #define mkstemp                 mkstemp64
 102 #define mkstemps                mkstemps64
 103 #define mkostemp                mkostemp64
 104 #define mkostemps               mkostemps64
 105 #endif  /* __PRAGMA_REDEFINE_EXTNAME */
 106
 107 #endif  /* _FILE_OFFSET_BITS == 64 */
 108
 109 /* In the LP64 compilation environment, all APIs are already large file */
 110 #if defined(_LP64) && defined(_LARGEFILE64_SOURCE)
 111
 112 #ifdef  __PRAGMA_REDEFINE_EXTNAME
 113 #pragma redefine_extname        mkstemp64       mkstemp
 114 #pragma redefine_extname        mkstemps64      mkstemps
 115 #pragma redefine_extname        mkostemp64      mkostemp
 116 #pragma redefine_extname        mkostemps64     mkostemps
 117 #else   /* __PRAGMA_REDEFINE_EXTNAME */
 118 #define mkstemp64               mkstemp
 119 #define mkstemps64              mkstemps
 120 #define mkostemp64              mkostemp
 121 #define mkostemps64             mkostemps
 122 #endif  /* __PRAGMA_REDEFINE_EXTNAME */
 123
 124 #endif  /* _LP64 && _LARGEFILE64_SOURCE */
 125
 126 extern int rand_r(unsigned int *);
 127
 128 extern void _exithandle(void);
 129
 130 #if defined(__EXTENSIONS__) || \
 131         (!defined(_STRICT_STDC) && !defined(_POSIX_C_SOURCE)) || \
 132         defined(_XPG4)
 133 extern double drand48(void);
 134 extern double erand48(unsigned short *);
 135 extern long jrand48(unsigned short *);
 136 extern void lcong48(unsigned short *);
 137 extern long lrand48(void);
 138 extern long mrand48(void);
 139 extern long nrand48(unsigned short *);
 140 extern unsigned short *seed48(unsigned short *);
 141 extern void srand48(long);
 142 extern int putenv(char *);
 143 extern void setkey(const char *);
 144 #endif /* defined(__EXTENSIONS__) || !defined(_STRICT_STDC) ... */
 145
 146 /*
 147  * swab() has historically been in <stdlib.h> as delivered from AT&T
 148  * and continues to be visible in the default compilation environment.
 149  * As of Issue 4 of the X/Open Portability Guides, swab() was declared
 150  * in <unistd.h>. As a result, with respect to X/Open namespace the
 151  * swab() declaration in this header is only visible for the XPG3
 152  * environment.
 153  */
 154 #if (defined(__EXTENSIONS__) || \
 155         (!defined(_STRICT_STDC__) && !defined(_POSIX_C_SOURCE))) && \
 156         (!defined(_XOPEN_SOURCE) || (defined(_XPG3) && !defined(_XPG4)))
 157 #ifndef _SSIZE_T
 158 #define _SSIZE_T
 159 #if defined(_LP64) || defined(_I32LPx)
 160 typedef long    ssize_t;        /* size of something in bytes or -1 */
 161 #else
 162 typedef int     ssize_t;        /* (historical version) */
 163 #endif
 164 #endif  /* !_SSIZE_T */
 165
 166 extern void swab(const char *, char *, ssize_t);
 167 #endif /* defined(__EXTENSIONS__) || !defined(_STRICT_STDC) ... */
 168
 169 #if defined(__EXTENSIONS__) || \
 170         !defined(__XOPEN_OR_POSIX) || defined(_XPG4_2) || \
 171         (defined(_LARGEFILE_SOURCE) && _FILE_OFFSET_BITS == 64)
 172 extern int      mkstemp(char *);
 173 #if !defined(_XPG4_2) || defined(__EXTENSIONS__)
 174 extern int      mkstemps(char *, int);
 175 #endif
 176 #endif /* defined(__EXTENSIONS__) ... */
 177
 178 #if     defined(_LARGEFILE64_SOURCE) && !((_FILE_OFFSET_BITS == 64) && \
 179             !defined(__PRAGMA_REDEFINE_EXTNAME))
 180 extern int      mkstemp64(char *);
 181 #if !defined(_XPG4_2) || defined(__EXTENSIONS__)
 182 extern int      mkstemps64(char *, int);
 183 #endif
 184 #endif  /* _LARGEFILE64_SOURCE... */
 185
 186 #if !defined(_STRICT_SYMBOLS) || defined(_XPG7)
 187 extern char     *mkdtemp(char *);
 188 #endif  /* !defined(_STRICT_SYMBOLS) || defined(_XPG7) */
 189
 190 #if !defined(_STRICT_SYMBOLS)
 191 extern int              mkostemp(char *, int);
 192 extern int              mkostemps(char *, int, int);
 193 #if defined(_LARGEFILE64_SOURCE) && !((_FILE_OFFSET_BITS == 64) && \
 194                 !defined(__PRAGMA_REDEFINE_EXTNAME))
 195 extern int              mkostemp64(char *, int);
 196 extern int              mkostemps64(char *, int, int);
 197 #endif  /* defined(_LARGEFILE64_SOURCE) || !((_FILE_OFFSET_BITS == 64) ... */
 198 #endif  /* !defined(_STRICT_SYMBOLS) */
 199
 200 #if defined(__EXTENSIONS__) || \
 201         (!defined(_STRICT_STDC) && !defined(__XOPEN_OR_POSIX)) || \
 202         defined(_XPG4_2)
 203 extern long a64l(const char *);
 204 extern char *ecvt(double, int, int *_RESTRICT_KYWD, int *_RESTRICT_KYWD);
 205 extern char *fcvt(double, int, int *_RESTRICT_KYWD, int *_RESTRICT_KYWD);
 206 extern char *gcvt(double, int, char *);
 207 extern int getsubopt(char **, char *const *, char **);
 208 extern int  grantpt(int);
 209 extern char *initstate(unsigned, char *, size_t);
 210 extern char *l64a(long);
 211 extern char *mktemp(char *);
 212 extern char *ptsname(int);
 213 extern long random(void);
 214 extern char *realpath(const char *_RESTRICT_KYWD, char *_RESTRICT_KYWD);
 215 extern char *setstate(const char *);
 216 extern void srandom(unsigned);
 217 extern int  unlockpt(int);
 218 /* Marked LEGACY in SUSv2 and removed in SUSv3 */
 219 #if !defined(_XPG6) || defined(__EXTENSIONS__)
 220 extern int ttyslot(void);
 221 extern void *valloc(size_t);
 222 #endif /* !defined(_XPG6) || defined(__EXTENSIONS__) */
 223 #endif /* defined(__EXTENSIONS__) || ... || defined(_XPG4_2) */
 224
 225 #if defined(__EXTENSIONS__) || \
 226         (!defined(_STRICT_STDC) && !defined(__XOPEN_OR_POSIX)) || \
 227         defined(_XPG6)
 228 extern int posix_memalign(void **, size_t, size_t);
 229 extern int posix_openpt(int);
 230 extern int setenv(const char *, const char *, int);
 231 extern int unsetenv(const char *);
 232 #endif
 233
 234 #if defined(__EXTENSIONS__) || \
 235         (!defined(_STRICT_STDC) && !defined(__XOPEN_OR_POSIX))
 236 extern char *canonicalize_file_name(const char *);
 237 extern int clearenv(void);
 238 extern void closefrom(int);
 239 extern int daemon(int, int);
 240 extern int dup2(int, int);
 241 extern int dup3(int, int, int);
 242 extern int fdwalk(int (*)(void *, int), void *);
 243 extern char *qecvt(long double, int, int *, int *);
 244 extern char *qfcvt(long double, int, int *, int *);
 245 extern char *qgcvt(long double, int, char *);
 246 extern char *getcwd(char *, size_t);
 247 extern const char *getexecname(void);
 248
 249 #ifndef __GETLOGIN_DEFINED      /* Avoid duplicate in unistd.h */
 250 #define __GETLOGIN_DEFINED
 251 #ifndef __USE_LEGACY_LOGNAME__
 252 #ifdef  __PRAGMA_REDEFINE_EXTNAME
 253 #pragma redefine_extname getlogin getloginx
 254 #else   /* __PRAGMA_REDEFINE_EXTNAME */
 255 extern char *getloginx(void);
 256 #define getlogin        getloginx
 257 #endif  /* __PRAGMA_REDEFINE_EXTNAME */
 258 #endif  /* __USE_LEGACY_LOGNAME__ */
 259 extern char *getlogin(void);
 260 #endif  /* __GETLOGIN_DEFINED */
 261
 262 extern int getopt(int, char *const *, const char *);
 263 extern char *optarg;
 264 extern int optind, opterr, optopt;
 265 extern char *getpass(const char *);
 266 extern char *getpassphrase(const char *);
 267 extern int getpw(uid_t, char *);
 268 extern int isatty(int);
 269 extern void *memalign(size_t, size_t);
 270 extern char *ttyname(int);
 271 extern char *mkdtemp(char *);
 272 extern const char *getprogname(void);
 273 extern void setprogname(const char *);
 274
 275 #if !defined(_STRICT_STDC) && defined(_LONGLONG_TYPE)
 276 extern char *lltostr(long long, char *);
 277 extern char *ulltostr(unsigned long long, char *);
 278 #endif  /* !defined(_STRICT_STDC) && defined(_LONGLONG_TYPE) */
 279
 280 #endif /* defined(__EXTENSIONS__) || !defined(_STRICT_STDC) ... */
 281
 282 /* OpenBSD compatibility functions */
 283 #if !defined(_STRICT_SYMBOLS)
 284
 285 #include <inttypes.h>
 286 extern uint32_t arc4random(void);
 287 extern void arc4random_buf(void *, size_t);
 288 extern uint32_t arc4random_uniform(uint32_t);
 289
 290 #endif  /* !_STRICT_SYBMOLS */
 291
 292 #ifdef  __cplusplus
 293 }
 294 #endif
 295
 296 #endif  /* _STDLIB_H */