xref: /minix3/include/stdlib.h (revision 0cdf705cc6b6351f9bd896cde32607ecf6415eb9)
1 /*	$NetBSD: stdlib.h,v 1.100 2012/06/21 21:13:29 christos Exp $	*/
2 
3 /*-
4  * Copyright (c) 1990, 1993
5  *	The Regents of the University of California.  All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. Neither the name of the University nor the names of its contributors
16  *    may be used to endorse or promote products derived from this software
17  *    without specific prior written permission.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29  * SUCH DAMAGE.
30  *
31  *	@(#)stdlib.h	8.5 (Berkeley) 5/19/95
32  */
33 
34 #ifndef _STDLIB_H_
35 #define _STDLIB_H_
36 
37 #include <sys/cdefs.h>
38 #include <sys/featuretest.h>
39 
40 #if defined(_NETBSD_SOURCE)
41 #include <sys/types.h>		/* for quad_t, etc. */
42 #endif
43 
44 #include <machine/ansi.h>
45 
46 #ifdef	_BSD_SIZE_T_
47 typedef	_BSD_SIZE_T_	size_t;
48 #undef	_BSD_SIZE_T_
49 #endif
50 
51 #if defined(_BSD_WCHAR_T_) && !defined(__cplusplus)
52 typedef	_BSD_WCHAR_T_	wchar_t;
53 #undef	_BSD_WCHAR_T_
54 #endif
55 
56 typedef struct {
57 	int quot;		/* quotient */
58 	int rem;		/* remainder */
59 } div_t;
60 
61 typedef struct {
62 	long quot;		/* quotient */
63 	long rem;		/* remainder */
64 } ldiv_t;
65 
66 #if !defined(_ANSI_SOURCE) && \
67     (defined(_ISOC99_SOURCE) || (__STDC_VERSION__ - 0) >= 199901L || \
68      defined(_NETBSD_SOURCE))
69 typedef struct {
70 	/* LONGLONG */
71 	long long int quot;	/* quotient */
72 	/* LONGLONG */
73 	long long int rem;	/* remainder */
74 } lldiv_t;
75 #endif
76 
77 #if defined(_NETBSD_SOURCE)
78 typedef struct {
79 	quad_t quot;		/* quotient */
80 	quad_t rem;		/* remainder */
81 } qdiv_t;
82 #endif
83 
84 
85 #include <sys/null.h>
86 
87 #define	EXIT_FAILURE	1
88 #define	EXIT_SUCCESS	0
89 
90 #define	RAND_MAX	0x7fffffff
91 
92 extern size_t __mb_cur_max;
93 #define	MB_CUR_MAX	__mb_cur_max
94 
95 __BEGIN_DECLS
96 __dead	 void _Exit(int);
97 __dead	 void abort(void);
98 __pure	 int abs(int);
99 int	 atexit(void (*)(void));
100 double	 atof(const char *);
101 int	 atoi(const char *);
102 long	 atol(const char *);
103 #ifndef __BSEARCH_DECLARED
104 #define __BSEARCH_DECLARED
105 /* also in search.h */
106 void	*bsearch(const void *, const void *, size_t, size_t,
107     int (*)(const void *, const void *));
108 #endif /* __BSEARCH_DECLARED */
109 void	*calloc(size_t, size_t);
110 div_t	 div(int, int);
111 __dead	 void exit(int);
112 void	 free(void *);
113 __aconst char *getenv(const char *);
114 __pure long
115 	 labs(long);
116 ldiv_t	 ldiv(long, long);
117 void	*malloc(size_t);
118 void	 qsort(void *, size_t, size_t, int (*)(const void *, const void *));
119 int	 rand(void);
120 void	*realloc(void *, size_t);
121 void	 srand(unsigned);
122 double	 strtod(const char * __restrict, char ** __restrict);
123 long	 strtol(const char * __restrict, char ** __restrict, int);
124 unsigned long
125 	 strtoul(const char * __restrict, char ** __restrict, int);
126 int	 system(const char *);
127 
128 /* These are currently just stubs. */
129 int	 mblen(const char *, size_t);
130 size_t	 mbstowcs(wchar_t * __restrict, const char * __restrict, size_t);
131 int	 wctomb(char *, wchar_t);
132 int	 mbtowc(wchar_t * __restrict, const char * __restrict, size_t);
133 size_t	 wcstombs(char * __restrict, const wchar_t * __restrict, size_t);
134 
135 #if defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE) || \
136     defined(_NETBSD_SOURCE)
137 
138 
139 /*
140  * IEEE Std 1003.1c-95, also adopted by X/Open CAE Spec Issue 5 Version 2
141  */
142 #if (_POSIX_C_SOURCE - 0) >= 199506L || (_XOPEN_SOURCE - 0) >= 500 || \
143     defined(_REENTRANT) || defined(_NETBSD_SOURCE)
144 int	 rand_r(unsigned int *);
145 #endif
146 
147 /*
148  * X/Open Portability Guide >= Issue 4
149  */
150 #if defined(_XOPEN_SOURCE) || defined(_NETBSD_SOURCE)
151 double	 drand48(void);
152 double	 erand48(unsigned short[3]);
153 long	 jrand48(unsigned short[3]);
154 void	 lcong48(unsigned short[7]);
155 long	 lrand48(void);
156 long	 mrand48(void);
157 long	 nrand48(unsigned short[3]);
158 unsigned short *
159 	 seed48(unsigned short[3]);
160 void	 srand48(long);
161 
162 #ifndef __LIBC12_SOURCE__
163 int	 putenv(char *) __RENAME(__putenv50);
164 #endif
165 #endif
166 
167 
168 /*
169  * X/Open Portability Guide >= Issue 4 Version 2
170  */
171 #if (defined(_XOPEN_SOURCE) && defined(_XOPEN_SOURCE_EXTENDED)) || \
172     (_XOPEN_SOURCE - 0) >= 500 || defined(_NETBSD_SOURCE)
173 long	 a64l(const char *);
174 char	*l64a(long);
175 
176 char	*initstate(unsigned long, char *, size_t);
177 long	 random(void);
178 char	*setstate(char *);
179 void	 srandom(unsigned long);
180 #ifdef _NETBSD_SOURCE
181 #define	RANDOM_MAX	0x7fffffff	/* (((long)1 << 31) - 1) */
182 #endif
183 
184 char	*mkdtemp(char *);
185 int	 mkstemp(char *);
186 char	*mktemp(char *)
187 #ifdef __MKTEMP_OK__
188 	__RENAME(_mktemp)
189 #endif
190 	;
191 
192 int	 setkey(const char *);
193 
194 char	*realpath(const char * __restrict, char * __restrict);
195 
196 int	 ttyslot(void);
197 
198 void	*valloc(size_t);		/* obsoleted by malloc() */
199 
200 int	 grantpt(int);
201 int	 unlockpt(int);
202 char	*ptsname(int);
203 #endif
204 
205 /*
206  * ISO C99
207  */
208 #if defined(_ISOC99_SOURCE) || (__STDC_VERSION__ - 0) >= 199901L || \
209     defined(_NETBSD_SOURCE)
210 /* LONGLONG */
211 long long int	atoll(const char *);
212 /* LONGLONG */
213 long long int	llabs(long long int);
214 /* LONGLONG */
215 lldiv_t		lldiv(long long int, long long int);
216 /* LONGLONG */
217 long long int	strtoll(const char * __restrict, char ** __restrict, int);
218 /* LONGLONG */
219 unsigned long long int
220 		strtoull(const char * __restrict, char ** __restrict, int);
221 float		strtof(const char * __restrict, char ** __restrict);
222 long double	strtold(const char * __restrict, char ** __restrict);
223 #endif
224 
225 /*
226  * The Open Group Base Specifications, Issue 6; IEEE Std 1003.1-2001 (POSIX)
227  */
228 #if (_POSIX_C_SOURCE - 0) >= 200112L || (_XOPEN_SOURCE - 0) >= 600 || \
229     defined(_NETBSD_SOURCE)
230 int	 setenv(const char *, const char *, int);
231 #ifndef __LIBC12_SOURCE__
232 int	 unsetenv(const char *) __RENAME(__unsetenv13);
233 #endif
234 
235 int	 posix_openpt(int);
236 int	 posix_memalign(void **, size_t, size_t);
237 #endif
238 
239 /*
240  * Implementation-defined extensions
241  */
242 #if defined(_NETBSD_SOURCE)
243 #if defined(alloca) && (alloca == __builtin_alloca) && \
244 	defined(__GNUC__) && (__GNUC__ < 2)
245 void	*alloca(int);     /* built-in for gcc */
246 #elif defined(__PCC__) && !defined(__GNUC__)
247 #define alloca(size) __builtin_alloca(size)
248 #elif (__GNUC__ >= 2)
249 /* LSC: MINIX Patch needed (2 following lines) */
250 #define alloca(size) __builtin_alloca(size)
251 #else
252 void	*alloca(size_t);
253 #endif /* __GNUC__ */
254 
255 uint32_t arc4random(void);
256 void	 arc4random_stir(void);
257 void	 arc4random_buf(void *, size_t);
258 uint32_t arc4random_uniform(uint32_t);
259 void	 arc4random_addrandom(u_char *, int);
260 char	*getbsize(int *, long *);
261 char	*cgetcap(char *, const char *, int);
262 int	 cgetclose(void);
263 int	 cgetent(char **, const char * const *, const char *);
264 int	 cgetfirst(char **, const char * const *);
265 int	 cgetmatch(const char *, const char *);
266 int	 cgetnext(char **, const char * const *);
267 int	 cgetnum(char *, const char *, long *);
268 int	 cgetset(const char *);
269 int	 cgetstr(char *, const char *, char **);
270 int	 cgetustr(char *, const char *, char **);
271 void	 csetexpandtc(int);
272 
273 int	 daemon(int, int);
274 #ifndef __minix
275 int	 devname_r(dev_t, mode_t, char *, size_t);
276 #ifndef __LIBC12_SOURCE__
277 __aconst char *devname(dev_t, mode_t) __RENAME(__devname50);
278 #endif
279 #endif /* !__minix */
280 
281 #define	HN_DECIMAL		0x01
282 #define	HN_NOSPACE		0x02
283 #define	HN_B			0x04
284 #define	HN_DIVISOR_1000		0x08
285 
286 #define	HN_GETSCALE		0x10
287 #define	HN_AUTOSCALE		0x20
288 
289 int	 humanize_number(char *, size_t, int64_t, const char *, int, int);
290 int	 dehumanize_number(const char *, int64_t *);
291 
292 #ifndef __minix
293 devmajor_t getdevmajor(const char *, mode_t);
294 #endif /* !__minix */
295 int	 getloadavg(double [], int);
296 
297 int	 getenv_r(const char *, char *, size_t);
298 
299 void	 cfree(void *);
300 
301 int	 heapsort(void *, size_t, size_t, int (*)(const void *, const void *));
302 int	 mergesort(void *, size_t, size_t,
303 	    int (*)(const void *, const void *));
304 int	 radixsort(const unsigned char **, int, const unsigned char *,
305 	    unsigned);
306 int	 sradixsort(const unsigned char **, int, const unsigned char *,
307 	    unsigned);
308 
309 void	 mi_vector_hash(const void * __restrict, size_t, uint32_t,
310 	    uint32_t[3]);
311 
312 void	 setproctitle(const char *, ...)
313 	    __printflike(1, 2);
314 const char *getprogname(void) __constfunc;
315 void	setprogname(const char *);
316 
317 quad_t	 qabs(quad_t);
318 quad_t	 strtoq(const char * __restrict, char ** __restrict, int);
319 u_quad_t strtouq(const char * __restrict, char ** __restrict, int);
320 
321 	/* LONGLONG */
322 long long strsuftoll(const char *, const char *, long long, long long);
323 	/* LONGLONG */
324 long long strsuftollx(const char *, const char *, long long, long long,
325 	    		char *, size_t);
326 
327 int	 l64a_r(long, char *, int);
328 
329 size_t	shquote(const char *, char *, size_t);
330 size_t	shquotev(int, char * const *, char *, size_t);
331 #endif /* _NETBSD_SOURCE */
332 #endif /* _POSIX_C_SOURCE || _XOPEN_SOURCE || _NETBSD_SOURCE */
333 
334 #if defined(_NETBSD_SOURCE)
335 qdiv_t	 qdiv(quad_t, quad_t);
336 #endif
337 __END_DECLS
338 
339 #endif /* !_STDLIB_H_ */
340