xref: /illumos-gate/usr/src/head/stdlib.h (revision 9498083eeaed1aacdde41369b7fa6f3b84870791)
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 
40 #if defined(__EXTENSIONS__) || defined(_XPG4)
41 #include <sys/wait.h>
42 #endif
43 
44 /*
45  * Allow global visibility for symbols defined in
46  * C++ "std" namespace in <iso/stdlib_iso.h>.
47  */
48 #if __cplusplus >= 199711L
49 using std::div_t;
50 using std::ldiv_t;
51 using std::size_t;
52 using std::abort;
53 using std::abs;
54 using std::atexit;
55 using std::atof;
56 using std::atoi;
57 using std::atol;
58 using std::bsearch;
59 using std::calloc;
60 using std::div;
61 using std::exit;
62 using std::free;
63 using std::getenv;
64 using std::labs;
65 using std::ldiv;
66 using std::malloc;
67 using std::mblen;
68 using std::mbstowcs;
69 using std::mbtowc;
70 using std::qsort;
71 using std::rand;
72 using std::realloc;
73 using std::srand;
74 using std::strtod;
75 using std::strtol;
76 using std::strtoul;
77 using std::system;
78 using std::wcstombs;
79 using std::wctomb;
80 #endif
81 
82 #ifdef	__cplusplus
83 extern "C" {
84 #endif
85 
86 #ifndef _UID_T
87 #define	_UID_T
88 typedef	unsigned int	uid_t;		/* UID type		*/
89 #endif	/* !_UID_T */
90 
91 /* large file compilation environment setup */
92 #if !defined(_LP64) && _FILE_OFFSET_BITS == 64
93 
94 #ifdef	__PRAGMA_REDEFINE_EXTNAME
95 #pragma redefine_extname	mkstemp		mkstemp64
96 #pragma redefine_extname	mkstemps	mkstemps64
97 #pragma	redefine_extname	mkostemp	mkostemp64
98 #pragma	redefine_extname	mkostemps	mkostemps64
99 #else	/* __PRAGMA_REDEFINE_EXTNAME */
100 #define	mkstemp			mkstemp64
101 #define	mkstemps		mkstemps64
102 #define	mkostemp		mkostemp64
103 #define	mkostemps		mkostemps64
104 #endif	/* __PRAGMA_REDEFINE_EXTNAME */
105 
106 #endif	/* _FILE_OFFSET_BITS == 64 */
107 
108 /* In the LP64 compilation environment, all APIs are already large file */
109 #if defined(_LP64) && defined(_LARGEFILE64_SOURCE)
110 
111 #ifdef	__PRAGMA_REDEFINE_EXTNAME
112 #pragma redefine_extname	mkstemp64	mkstemp
113 #pragma redefine_extname	mkstemps64	mkstemps
114 #pragma	redefine_extname	mkostemp64	mkostemp
115 #pragma	redefine_extname	mkostemps64	mkostemps
116 #else	/* __PRAGMA_REDEFINE_EXTNAME */
117 #define	mkstemp64		mkstemp
118 #define	mkstemps64		mkstemps
119 #define	mkostemp64		mkostemp
120 #define	mkostemps64		mkostemps
121 #endif	/* __PRAGMA_REDEFINE_EXTNAME */
122 
123 #endif	/* _LP64 && _LARGEFILE64_SOURCE */
124 
125 #if defined(__EXTENSIONS__) || \
126 	(!defined(_STRICT_STDC) && !defined(__XOPEN_OR_POSIX)) || \
127 	(_POSIX_C_SOURCE - 0 >= 199506L) || defined(_REENTRANT)
128 extern int rand_r(unsigned int *);
129 #endif
130 
131 extern void _exithandle(void);
132 
133 #if defined(__EXTENSIONS__) || \
134 	(!defined(_STRICT_STDC) && !defined(_POSIX_C_SOURCE)) || \
135 	defined(_XPG4)
136 extern double drand48(void);
137 extern double erand48(unsigned short *);
138 extern long jrand48(unsigned short *);
139 extern void lcong48(unsigned short *);
140 extern long lrand48(void);
141 extern long mrand48(void);
142 extern long nrand48(unsigned short *);
143 extern unsigned short *seed48(unsigned short *);
144 extern void srand48(long);
145 extern int putenv(char *);
146 extern void setkey(const char *);
147 #endif /* defined(__EXTENSIONS__) || !defined(_STRICT_STDC) ... */
148 
149 /*
150  * swab() has historically been in <stdlib.h> as delivered from AT&T
151  * and continues to be visible in the default compilation environment.
152  * As of Issue 4 of the X/Open Portability Guides, swab() was declared
153  * in <unistd.h>. As a result, with respect to X/Open namespace the
154  * swab() declaration in this header is only visible for the XPG3
155  * environment.
156  */
157 #if (defined(__EXTENSIONS__) || \
158 	(!defined(_STRICT_STDC__) && !defined(_POSIX_C_SOURCE))) && \
159 	(!defined(_XOPEN_SOURCE) || (defined(_XPG3) && !defined(_XPG4)))
160 #ifndef	_SSIZE_T
161 #define	_SSIZE_T
162 #if defined(_LP64) || defined(_I32LPx)
163 typedef long	ssize_t;	/* size of something in bytes or -1 */
164 #else
165 typedef int	ssize_t;	/* (historical version) */
166 #endif
167 #endif	/* !_SSIZE_T */
168 
169 extern void swab(const char *, char *, ssize_t);
170 #endif /* defined(__EXTENSIONS__) || !defined(_STRICT_STDC) ... */
171 
172 #if defined(__EXTENSIONS__) || \
173 	!defined(__XOPEN_OR_POSIX) || defined(_XPG4_2) || \
174 	(defined(_LARGEFILE_SOURCE) && _FILE_OFFSET_BITS == 64)
175 extern int	mkstemp(char *);
176 #if !defined(_XPG4_2) || defined(__EXTENSIONS__)
177 extern int	mkstemps(char *, int);
178 #endif
179 #endif /* defined(__EXTENSIONS__) ... */
180 
181 #if	defined(_LARGEFILE64_SOURCE) && !((_FILE_OFFSET_BITS == 64) && \
182 	    !defined(__PRAGMA_REDEFINE_EXTNAME))
183 extern int	mkstemp64(char *);
184 #if !defined(_XPG4_2) || defined(__EXTENSIONS__)
185 extern int	mkstemps64(char *, int);
186 #endif
187 #endif	/* _LARGEFILE64_SOURCE... */
188 
189 #if !defined(_STRICT_SYMBOLS) || defined(_XPG7)
190 extern char	*mkdtemp(char *);
191 #endif	/* !defined(_STRICT_SYMBOLS) || defined(_XPG7) */
192 
193 #if !defined(_STRICT_SYMBOLS)
194 extern int		mkostemp(char *, int);
195 extern int		mkostemps(char *, int, int);
196 #if defined(_LARGEFILE64_SOURCE) && !((_FILE_OFFSET_BITS == 64) && \
197 		!defined(__PRAGMA_REDEFINE_EXTNAME))
198 extern int		mkostemp64(char *, int);
199 extern int		mkostemps64(char *, int, int);
200 #endif	/* defined(_LARGEFILE64_SOURCE) || !((_FILE_OFFSET_BITS == 64) ... */
201 #endif	/* !defined(_STRICT_SYMBOLS) */
202 
203 #if defined(__EXTENSIONS__) || \
204 	(!defined(_STRICT_STDC) && !defined(__XOPEN_OR_POSIX)) || \
205 	defined(_XPG4_2)
206 extern long a64l(const char *);
207 extern char *ecvt(double, int, int *_RESTRICT_KYWD, int *_RESTRICT_KYWD);
208 extern char *fcvt(double, int, int *_RESTRICT_KYWD, int *_RESTRICT_KYWD);
209 extern char *gcvt(double, int, char *);
210 extern int getsubopt(char **, char *const *, char **);
211 extern int  grantpt(int);
212 extern char *initstate(unsigned, char *, size_t);
213 extern char *l64a(long);
214 extern char *mktemp(char *);
215 extern char *ptsname(int);
216 extern long random(void);
217 extern char *realpath(const char *_RESTRICT_KYWD, char *_RESTRICT_KYWD);
218 extern char *setstate(const char *);
219 extern void srandom(unsigned);
220 extern int  unlockpt(int);
221 /* Marked LEGACY in SUSv2 and removed in SUSv3 */
222 #if !defined(_XPG6) || defined(__EXTENSIONS__)
223 extern int ttyslot(void);
224 extern void *valloc(size_t);
225 #endif /* !defined(_XPG6) || defined(__EXTENSIONS__) */
226 #endif /* defined(__EXTENSIONS__) || ... || defined(_XPG4_2) */
227 
228 #if defined(__EXTENSIONS__) || \
229 	(!defined(_STRICT_STDC) && !defined(__XOPEN_OR_POSIX)) || \
230 	defined(_XPG6)
231 extern int posix_memalign(void **, size_t, size_t);
232 extern int posix_openpt(int);
233 extern int setenv(const char *, const char *, int);
234 extern int unsetenv(const char *);
235 #endif
236 
237 #if defined(__EXTENSIONS__) || \
238 	(!defined(_STRICT_STDC) && !defined(__XOPEN_OR_POSIX))
239 extern char *canonicalize_file_name(const char *);
240 extern int clearenv(void);
241 extern void closefrom(int);
242 extern int daemon(int, int);
243 extern int dup2(int, int);
244 extern int dup3(int, int, int);
245 extern int fdwalk(int (*)(void *, int), void *);
246 extern char *qecvt(long double, int, int *, int *);
247 extern char *qfcvt(long double, int, int *, int *);
248 extern char *qgcvt(long double, int, char *);
249 extern char *getcwd(char *, size_t);
250 extern const char *getexecname(void);
251 
252 #ifndef	__GETLOGIN_DEFINED	/* Avoid duplicate in unistd.h */
253 #define	__GETLOGIN_DEFINED
254 #ifndef	__USE_LEGACY_LOGNAME__
255 #ifdef	__PRAGMA_REDEFINE_EXTNAME
256 #pragma	redefine_extname getlogin getloginx
257 #else	/* __PRAGMA_REDEFINE_EXTNAME */
258 extern char *getloginx(void);
259 #define	getlogin	getloginx
260 #endif	/* __PRAGMA_REDEFINE_EXTNAME */
261 #endif	/* __USE_LEGACY_LOGNAME__ */
262 extern char *getlogin(void);
263 #endif	/* __GETLOGIN_DEFINED */
264 
265 extern int getopt(int, char *const *, const char *);
266 extern char *optarg;
267 extern int optind, opterr, optopt;
268 extern char *getpass(const char *);
269 extern char *getpassphrase(const char *);
270 extern int getpw(uid_t, char *);
271 extern int isatty(int);
272 extern void *memalign(size_t, size_t);
273 extern char *ttyname(int);
274 extern char *mkdtemp(char *);
275 extern const char *getprogname(void);
276 extern void setprogname(const char *);
277 
278 #if !defined(_STRICT_STDC) && defined(_LONGLONG_TYPE)
279 extern char *lltostr(long long, char *);
280 extern char *ulltostr(unsigned long long, char *);
281 #endif	/* !defined(_STRICT_STDC) && defined(_LONGLONG_TYPE) */
282 
283 #endif /* defined(__EXTENSIONS__) || !defined(_STRICT_STDC) ... */
284 
285 /* OpenBSD compatibility functions */
286 #if !defined(_STRICT_SYMBOLS)
287 
288 #include <inttypes.h>
289 extern uint32_t arc4random(void);
290 extern void arc4random_buf(void *, size_t);
291 extern uint32_t arc4random_uniform(uint32_t);
292 
293 #endif	/* !_STRICT_SYBMOLS */
294 
295 
296 #ifdef	__cplusplus
297 }
298 #endif
299 
300 #endif	/* _STDLIB_H */
301