xref: /illumos-gate/usr/src/head/stdlib.h (revision dec98d2aa2912b1fbd0abd2574307a695b566692)
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 #if defined(__EXTENSIONS__) || \
127 	(!defined(_STRICT_STDC) && !defined(__XOPEN_OR_POSIX)) || \
128 	(_POSIX_C_SOURCE - 0 >= 199506L) || defined(_REENTRANT)
129 extern int rand_r(unsigned int *);
130 #endif
131 
132 extern void _exithandle(void);
133 
134 #if defined(__EXTENSIONS__) || \
135 	(!defined(_STRICT_STDC) && !defined(_POSIX_C_SOURCE)) || \
136 	defined(_XPG4)
137 extern double drand48(void);
138 extern double erand48(unsigned short *);
139 extern long jrand48(unsigned short *);
140 extern void lcong48(unsigned short *);
141 extern long lrand48(void);
142 extern long mrand48(void);
143 extern long nrand48(unsigned short *);
144 extern unsigned short *seed48(unsigned short *);
145 extern void srand48(long);
146 extern int putenv(char *);
147 extern void setkey(const char *);
148 #endif /* defined(__EXTENSIONS__) || !defined(_STRICT_STDC) ... */
149 
150 /*
151  * swab() has historically been in <stdlib.h> as delivered from AT&T
152  * and continues to be visible in the default compilation environment.
153  * As of Issue 4 of the X/Open Portability Guides, swab() was declared
154  * in <unistd.h>. As a result, with respect to X/Open namespace the
155  * swab() declaration in this header is only visible for the XPG3
156  * environment.
157  */
158 #if (defined(__EXTENSIONS__) || \
159 	(!defined(_STRICT_STDC__) && !defined(_POSIX_C_SOURCE))) && \
160 	(!defined(_XOPEN_SOURCE) || (defined(_XPG3) && !defined(_XPG4)))
161 #ifndef	_SSIZE_T
162 #define	_SSIZE_T
163 #if defined(_LP64) || defined(_I32LPx)
164 typedef long	ssize_t;	/* size of something in bytes or -1 */
165 #else
166 typedef int	ssize_t;	/* (historical version) */
167 #endif
168 #endif	/* !_SSIZE_T */
169 
170 extern void swab(const char *, char *, ssize_t);
171 #endif /* defined(__EXTENSIONS__) || !defined(_STRICT_STDC) ... */
172 
173 #if defined(__EXTENSIONS__) || \
174 	!defined(__XOPEN_OR_POSIX) || defined(_XPG4_2) || \
175 	(defined(_LARGEFILE_SOURCE) && _FILE_OFFSET_BITS == 64)
176 extern int	mkstemp(char *);
177 #if !defined(_XPG4_2) || defined(__EXTENSIONS__)
178 extern int	mkstemps(char *, int);
179 #endif
180 #endif /* defined(__EXTENSIONS__) ... */
181 
182 #if	defined(_LARGEFILE64_SOURCE) && !((_FILE_OFFSET_BITS == 64) && \
183 	    !defined(__PRAGMA_REDEFINE_EXTNAME))
184 extern int	mkstemp64(char *);
185 #if !defined(_XPG4_2) || defined(__EXTENSIONS__)
186 extern int	mkstemps64(char *, int);
187 #endif
188 #endif	/* _LARGEFILE64_SOURCE... */
189 
190 #if !defined(_STRICT_SYMBOLS) || defined(_XPG7)
191 extern char	*mkdtemp(char *);
192 #endif	/* !defined(_STRICT_SYMBOLS) || defined(_XPG7) */
193 
194 #if !defined(_STRICT_SYMBOLS)
195 extern int		mkostemp(char *, int);
196 extern int		mkostemps(char *, int, int);
197 #if defined(_LARGEFILE64_SOURCE) && !((_FILE_OFFSET_BITS == 64) && \
198 		!defined(__PRAGMA_REDEFINE_EXTNAME))
199 extern int		mkostemp64(char *, int);
200 extern int		mkostemps64(char *, int, int);
201 #endif	/* defined(_LARGEFILE64_SOURCE) || !((_FILE_OFFSET_BITS == 64) ... */
202 #endif	/* !defined(_STRICT_SYMBOLS) */
203 
204 #if defined(__EXTENSIONS__) || \
205 	(!defined(_STRICT_STDC) && !defined(__XOPEN_OR_POSIX)) || \
206 	defined(_XPG4_2)
207 extern long a64l(const char *);
208 extern char *ecvt(double, int, int *_RESTRICT_KYWD, int *_RESTRICT_KYWD);
209 extern char *fcvt(double, int, int *_RESTRICT_KYWD, int *_RESTRICT_KYWD);
210 extern char *gcvt(double, int, char *);
211 extern int getsubopt(char **, char *const *, char **);
212 extern int  grantpt(int);
213 extern char *initstate(unsigned, char *, size_t);
214 extern char *l64a(long);
215 extern char *mktemp(char *);
216 extern char *ptsname(int);
217 extern long random(void);
218 extern char *realpath(const char *_RESTRICT_KYWD, char *_RESTRICT_KYWD);
219 extern char *setstate(const char *);
220 extern void srandom(unsigned);
221 extern int  unlockpt(int);
222 /* Marked LEGACY in SUSv2 and removed in SUSv3 */
223 #if !defined(_XPG6) || defined(__EXTENSIONS__)
224 extern int ttyslot(void);
225 extern void *valloc(size_t);
226 #endif /* !defined(_XPG6) || defined(__EXTENSIONS__) */
227 #endif /* defined(__EXTENSIONS__) || ... || defined(_XPG4_2) */
228 
229 #if defined(__EXTENSIONS__) || \
230 	(!defined(_STRICT_STDC) && !defined(__XOPEN_OR_POSIX)) || \
231 	defined(_XPG6)
232 extern int posix_memalign(void **, size_t, size_t);
233 extern int posix_openpt(int);
234 extern int setenv(const char *, const char *, int);
235 extern int unsetenv(const char *);
236 #endif
237 
238 #if defined(__EXTENSIONS__) || \
239 	(!defined(_STRICT_STDC) && !defined(__XOPEN_OR_POSIX))
240 extern char *canonicalize_file_name(const char *);
241 extern int clearenv(void);
242 extern void closefrom(int);
243 extern int daemon(int, int);
244 extern int dup2(int, int);
245 extern int dup3(int, int, int);
246 extern int fdwalk(int (*)(void *, int), void *);
247 extern char *qecvt(long double, int, int *, int *);
248 extern char *qfcvt(long double, int, int *, int *);
249 extern char *qgcvt(long double, int, char *);
250 extern char *getcwd(char *, size_t);
251 extern const char *getexecname(void);
252 
253 #ifndef	__GETLOGIN_DEFINED	/* Avoid duplicate in unistd.h */
254 #define	__GETLOGIN_DEFINED
255 #ifndef	__USE_LEGACY_LOGNAME__
256 #ifdef	__PRAGMA_REDEFINE_EXTNAME
257 #pragma	redefine_extname getlogin getloginx
258 #else	/* __PRAGMA_REDEFINE_EXTNAME */
259 extern char *getloginx(void);
260 #define	getlogin	getloginx
261 #endif	/* __PRAGMA_REDEFINE_EXTNAME */
262 #endif	/* __USE_LEGACY_LOGNAME__ */
263 extern char *getlogin(void);
264 #endif	/* __GETLOGIN_DEFINED */
265 
266 extern int getopt(int, char *const *, const char *);
267 extern char *optarg;
268 extern int optind, opterr, optopt;
269 extern char *getpass(const char *);
270 extern char *getpassphrase(const char *);
271 extern int getpw(uid_t, char *);
272 extern int isatty(int);
273 extern void *memalign(size_t, size_t);
274 extern char *ttyname(int);
275 extern char *mkdtemp(char *);
276 extern const char *getprogname(void);
277 extern void setprogname(const char *);
278 
279 #if !defined(_STRICT_STDC) && defined(_LONGLONG_TYPE)
280 extern char *lltostr(long long, char *);
281 extern char *ulltostr(unsigned long long, char *);
282 #endif	/* !defined(_STRICT_STDC) && defined(_LONGLONG_TYPE) */
283 
284 #endif /* defined(__EXTENSIONS__) || !defined(_STRICT_STDC) ... */
285 
286 /* OpenBSD compatibility functions */
287 #if !defined(_STRICT_SYMBOLS)
288 
289 #include <inttypes.h>
290 extern uint32_t arc4random(void);
291 extern void arc4random_buf(void *, size_t);
292 extern uint32_t arc4random_uniform(uint32_t);
293 extern void *reallocarray(void *, size_t, size_t);
294 extern long long strtonum(const char *, long long, long long, const char **);
295 
296 #endif	/* !_STRICT_SYBMOLS */
297 
298 
299 #ifdef	__cplusplus
300 }
301 #endif
302 
303 #endif	/* _STDLIB_H */
304