xref: /illumos-gate/usr/src/head/stdlib.h (revision 789dced6271483dc9a692ceb9c8e31f2b2f5da27)
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 (c) 1989, 2010, Oracle and/or its affiliates. All rights reserved.
24  */
25 
26 /*	Copyright (c) 1988 AT&T	*/
27 /*	  All Rights Reserved  	*/
28 
29 #ifndef _STDLIB_H
30 #define	_STDLIB_H
31 
32 #include <iso/stdlib_iso.h>
33 #include <iso/stdlib_c99.h>
34 
35 #if defined(__EXTENSIONS__) || defined(_XPG4)
36 #include <sys/wait.h>
37 #endif
38 
39 /*
40  * Allow global visibility for symbols defined in
41  * C++ "std" namespace in <iso/stdlib_iso.h>.
42  */
43 #if __cplusplus >= 199711L
44 using std::div_t;
45 using std::ldiv_t;
46 using std::size_t;
47 using std::abort;
48 using std::abs;
49 using std::atexit;
50 using std::atof;
51 using std::atoi;
52 using std::atol;
53 using std::bsearch;
54 using std::calloc;
55 using std::div;
56 using std::exit;
57 using std::free;
58 using std::getenv;
59 using std::labs;
60 using std::ldiv;
61 using std::malloc;
62 using std::mblen;
63 using std::mbstowcs;
64 using std::mbtowc;
65 using std::qsort;
66 using std::rand;
67 using std::realloc;
68 using std::srand;
69 using std::strtod;
70 using std::strtol;
71 using std::strtoul;
72 using std::system;
73 using std::wcstombs;
74 using std::wctomb;
75 #endif
76 
77 #ifdef	__cplusplus
78 extern "C" {
79 #endif
80 
81 #ifndef _UID_T
82 #define	_UID_T
83 typedef	unsigned int	uid_t;		/* UID type		*/
84 #endif	/* !_UID_T */
85 
86 #if defined(__STDC__)
87 
88 /* large file compilation environment setup */
89 #if !defined(_LP64) && _FILE_OFFSET_BITS == 64
90 
91 #ifdef	__PRAGMA_REDEFINE_EXTNAME
92 #pragma redefine_extname	mkstemp		mkstemp64
93 #pragma redefine_extname	mkstemps	mkstemps64
94 #else	/* __PRAGMA_REDEFINE_EXTNAME */
95 #define	mkstemp			mkstemp64
96 #define	mkstemps		mkstemps64
97 #endif	/* __PRAGMA_REDEFINE_EXTNAME */
98 
99 #endif	/* _FILE_OFFSET_BITS == 64 */
100 
101 /* In the LP64 compilation environment, all APIs are already large file */
102 #if defined(_LP64) && defined(_LARGEFILE64_SOURCE)
103 
104 #ifdef	__PRAGMA_REDEFINE_EXTNAME
105 #pragma redefine_extname	mkstemp64	mkstemp
106 #pragma redefine_extname	mkstemps64	mkstemps
107 #else	/* __PRAGMA_REDEFINE_EXTNAME */
108 #define	mkstemp64		mkstemp
109 #define	mkstemps64		mkstemps
110 #endif	/* __PRAGMA_REDEFINE_EXTNAME */
111 
112 #endif	/* _LP64 && _LARGEFILE64_SOURCE */
113 
114 #if defined(__EXTENSIONS__) || \
115 	(!defined(_STRICT_STDC) && !defined(__XOPEN_OR_POSIX)) || \
116 	(_POSIX_C_SOURCE - 0 >= 199506L) || defined(_REENTRANT)
117 extern int rand_r(unsigned int *);
118 #endif
119 
120 extern void _exithandle(void);
121 
122 #if defined(__EXTENSIONS__) || \
123 	(!defined(_STRICT_STDC) && !defined(_POSIX_C_SOURCE)) || \
124 	defined(_XPG4)
125 extern double drand48(void);
126 extern double erand48(unsigned short *);
127 extern long jrand48(unsigned short *);
128 extern void lcong48(unsigned short *);
129 extern long lrand48(void);
130 extern long mrand48(void);
131 extern long nrand48(unsigned short *);
132 extern unsigned short *seed48(unsigned short *);
133 extern void srand48(long);
134 extern int putenv(char *);
135 extern void setkey(const char *);
136 #endif /* defined(__EXTENSIONS__) || !defined(_STRICT_STDC) ... */
137 
138 /*
139  * swab() has historically been in <stdlib.h> as delivered from AT&T
140  * and continues to be visible in the default compilation environment.
141  * As of Issue 4 of the X/Open Portability Guides, swab() was declared
142  * in <unistd.h>. As a result, with respect to X/Open namespace the
143  * swab() declaration in this header is only visible for the XPG3
144  * environment.
145  */
146 #if (defined(__EXTENSIONS__) || \
147 	(!defined(_STRICT_STDC__) && !defined(_POSIX_C_SOURCE))) && \
148 	(!defined(_XOPEN_SOURCE) || (defined(_XPG3) && !defined(_XPG4)))
149 #ifndef	_SSIZE_T
150 #define	_SSIZE_T
151 #if defined(_LP64) || defined(_I32LPx)
152 typedef long	ssize_t;	/* size of something in bytes or -1 */
153 #else
154 typedef int	ssize_t;	/* (historical version) */
155 #endif
156 #endif	/* !_SSIZE_T */
157 
158 extern void swab(const char *, char *, ssize_t);
159 #endif /* defined(__EXTENSIONS__) || !defined(_STRICT_STDC) ... */
160 
161 #if defined(__EXTENSIONS__) || \
162 	!defined(__XOPEN_OR_POSIX) || defined(_XPG4_2) || \
163 	(defined(_LARGEFILE_SOURCE) && _FILE_OFFSET_BITS == 64)
164 extern int	mkstemp(char *);
165 #if !defined(_XPG4_2) || defined(__EXTENSIONS__)
166 extern int	mkstemps(char *, int);
167 #endif
168 #endif /* defined(__EXTENSIONS__) ... */
169 
170 #if	defined(_LARGEFILE64_SOURCE) && !((_FILE_OFFSET_BITS == 64) && \
171 	    !defined(__PRAGMA_REDEFINE_EXTNAME))
172 extern int	mkstemp64(char *);
173 #if !defined(_XPG4_2) || defined(__EXTENSIONS__)
174 extern int	mkstemps64(char *, int);
175 #endif
176 #endif	/* _LARGEFILE64_SOURCE... */
177 
178 #if defined(__EXTENSIONS__) || \
179 	(!defined(_STRICT_STDC) && !defined(__XOPEN_OR_POSIX)) || \
180 	defined(_XPG4_2)
181 extern long a64l(const char *);
182 extern char *ecvt(double, int, int *_RESTRICT_KYWD, int *_RESTRICT_KYWD);
183 extern char *fcvt(double, int, int *_RESTRICT_KYWD, int *_RESTRICT_KYWD);
184 extern char *gcvt(double, int, char *);
185 extern int getsubopt(char **, char *const *, char **);
186 extern int  grantpt(int);
187 extern char *initstate(unsigned, char *, size_t);
188 extern char *l64a(long);
189 extern char *mktemp(char *);
190 extern char *ptsname(int);
191 extern long random(void);
192 extern char *realpath(const char *_RESTRICT_KYWD, char *_RESTRICT_KYWD);
193 extern char *setstate(const char *);
194 extern void srandom(unsigned);
195 extern int  unlockpt(int);
196 /* Marked LEGACY in SUSv2 and removed in SUSv3 */
197 #if !defined(_XPG6) || defined(__EXTENSIONS__)
198 extern int ttyslot(void);
199 extern void *valloc(size_t);
200 #endif /* !defined(_XPG6) || defined(__EXTENSIONS__) */
201 #endif /* defined(__EXTENSIONS__) || ... || defined(_XPG4_2) */
202 
203 #if defined(__EXTENSIONS__) || \
204 	(!defined(_STRICT_STDC) && !defined(__XOPEN_OR_POSIX)) || \
205 	defined(_XPG6)
206 extern int posix_memalign(void **, size_t, size_t);
207 extern int posix_openpt(int);
208 extern int setenv(const char *, const char *, int);
209 extern int unsetenv(const char *);
210 #endif
211 
212 #if defined(__EXTENSIONS__) || \
213 	(!defined(_STRICT_STDC) && !defined(__XOPEN_OR_POSIX))
214 extern char *canonicalize_file_name(const char *);
215 extern int clearenv(void);
216 extern void closefrom(int);
217 extern int daemon(int, int);
218 extern int dup2(int, int);
219 extern int fdwalk(int (*)(void *, int), void *);
220 extern char *qecvt(long double, int, int *, int *);
221 extern char *qfcvt(long double, int, int *, int *);
222 extern char *qgcvt(long double, int, char *);
223 extern char *getcwd(char *, size_t);
224 extern const char *getexecname(void);
225 extern char *getlogin(void);
226 extern int getopt(int, char *const *, const char *);
227 extern char *optarg;
228 extern int optind, opterr, optopt;
229 extern char *getpass(const char *);
230 extern char *getpassphrase(const char *);
231 extern int getpw(uid_t, char *);
232 extern int isatty(int);
233 extern void *memalign(size_t, size_t);
234 extern char *ttyname(int);
235 extern char *mkdtemp(char *);
236 extern const char *getprogname(void);
237 extern void setprogname(const char *);
238 
239 #if !defined(_STRICT_STDC) && defined(_LONGLONG_TYPE)
240 extern char *lltostr(long long, char *);
241 extern char *ulltostr(unsigned long long, char *);
242 #endif	/* !defined(_STRICT_STDC) && defined(_LONGLONG_TYPE) */
243 
244 #endif /* defined(__EXTENSIONS__) || !defined(_STRICT_STDC) ... */
245 
246 #else /* not __STDC__ */
247 
248 #if defined(__EXTENSIONS__) || !defined(_XOPEN_OR_POSIX) || \
249 	(_POSIX_C_SOURCE - 0 >= 199506L) || defined(_REENTRANT)
250 extern int rand_r();
251 #endif	/* defined(__EXTENSIONS__) || defined(_REENTRANT) ... */
252 
253 extern void _exithandle();
254 
255 #if defined(__EXTENSIONS__) || !defined(_POSIX_C_SOURCE) || defined(_XPG4)
256 extern double drand48();
257 extern double erand48();
258 extern long jrand48();
259 extern void lcong48();
260 extern long lrand48();
261 extern long mrand48();
262 extern long nrand48();
263 extern unsigned short *seed48();
264 extern void srand48();
265 extern int putenv();
266 extern void setkey();
267 #endif /* defined(__EXTENSIONS__) || !defined(_POSIX_C_SOURCE) ... */
268 
269 #if (defined(__EXTENSIONS__) || !defined(_POSIX_C_SOURCE)) && \
270 	(!defined(_XOPEN_SOURCE) || (defined(_XPG3) && !defined(_XPG4)))
271 extern void swab();
272 #endif
273 
274 #if defined(__EXTENSIONS__) || \
275 	!defined(__XOPEN_OR_POSIX) || defined(_XPG4_2) || \
276 	(defined(_LARGEFILE_SOURCE) && _FILE_OFFSET_BITS == 64)
277 extern int	mkstemp();
278 #if !defined(_XPG4_2) || defined(__EXTENSIONS__)
279 extern int	mkstemps();
280 #endif
281 #endif	/* defined(__EXTENSIONS__) ... */
282 
283 #if	defined(_LARGEFILE64_SOURCE) && !((_FILE_OFFSET_BITS == 64) && \
284 	    !defined(__PRAGMA_REDEFINE_EXTNAME))
285 extern int	mkstemp64();
286 #if !defined(_XPG4_2) || defined(__EXTENSIONS__)
287 extern int	mkstemps64();
288 #endif
289 #endif	/* _LARGEFILE64_SOURCE... */
290 
291 #if defined(__EXTENSIONS__) || !defined(__XOPEN_OR_POSIX) || defined(_XPG4_2)
292 extern long a64l();
293 extern char *ecvt();
294 extern char *fcvt();
295 extern char *gcvt();
296 extern int getsubopt();
297 extern int grantpt();
298 extern char *initstate();
299 extern char *l64a();
300 extern char *mktemp();
301 extern char *ptsname();
302 extern long random();
303 extern char *realpath();
304 extern char *setstate();
305 extern void srandom();
306 /* Marked LEGACY in SUSv2 and removed in SUSv3 */
307 #if !defined(_XPG6) || defined(__EXTENSIONS__)
308 extern int ttyslot();
309 extern void *valloc();
310 #endif /* !defined(_XPG6) || defined(__EXTENSIONS__) */
311 #endif /* defined(__EXTENSIONS__) || ... || defined(_XPG4_2) */
312 
313 #if defined(__EXTENSIONS__) || !defined(__XOPEN_OR_POSIX) || defined(_XPG6)
314 extern int posix_memalign();
315 extern int posix_openpt();
316 extern int setenv();
317 extern int unsetenv();
318 #endif
319 
320 #if defined(__EXTENSIONS__) || !defined(__XOPEN_OR_POSIX)
321 extern char *canonicalize_file_name();
322 extern int clearenv();
323 extern void closefrom();
324 extern int daemon();
325 extern int dup2();
326 extern int fdwalk();
327 extern char *qecvt();
328 extern char *qfcvt();
329 extern char *qgcvt();
330 extern char *getcwd();
331 extern char *getexecname();
332 extern char *getlogin();
333 extern int getopt();
334 extern char *optarg;
335 extern int optind, opterr, optopt;
336 extern char *getpass();
337 extern char *getpassphrase();
338 extern int getpw();
339 extern int isatty();
340 extern void *memalign();
341 extern char *ttyname();
342 extern char *mkdtemp();
343 extern char *getprogname();
344 extern void setprogname();
345 
346 #if defined(_LONGLONG_TYPE)
347 extern char *lltostr();
348 extern char *ulltostr();
349 #endif  /* defined(_LONGLONG_TYPE) */
350 #endif	/* defined(__EXTENSIONS__) || !defined(__XOPEN_OR_POSIX) ... */
351 
352 #endif	/* __STDC__ */
353 
354 #ifdef	__cplusplus
355 }
356 #endif
357 
358 #endif	/* _STDLIB_H */
359