summaryrefslogtreecommitdiff
path: root/include/stdlib.h
blob: 0374313a112a32a85d3ac6ab39a41e42b99e9237 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
/*	$OpenBSD: stdlib.h,v 1.71 2017/05/11 11:52:18 tom Exp $	*/
/*	$NetBSD: stdlib.h,v 1.25 1995/12/27 21:19:08 jtc Exp $	*/

/*-
 * Copyright (c) 1990 The Regents of the University of California.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *	@(#)stdlib.h	5.13 (Berkeley) 6/4/91
 */

#ifndef _STDLIB_H_
#define _STDLIB_H_

#include <sys/cdefs.h>
#include <sys/_null.h>
#include <machine/_types.h>
#if __BSD_VISIBLE	/* for quad_t, etc. (XXX - use protected types) */
#include <sys/types.h>
#endif

#ifndef	_SIZE_T_DEFINED_
#define	_SIZE_T_DEFINED_
typedef	__size_t	size_t;
#endif

/* in C++, wchar_t is a built-in type */
#if !defined(_WCHAR_T_DEFINED_) && !defined(__cplusplus)
#define _WCHAR_T_DEFINED_
typedef	__wchar_t	wchar_t;
#endif

typedef struct {
	int quot;		/* quotient */
	int rem;		/* remainder */
} div_t;

typedef struct {
	long quot;		/* quotient */
	long rem;		/* remainder */
} ldiv_t;

#if __ISO_C_VISIBLE >= 1999
typedef struct {
	long long quot;		/* quotient */
	long long rem;		/* remainder */
} lldiv_t;
#endif

#if __BSD_VISIBLE
typedef struct {
	quad_t quot;		/* quotient */
	quad_t rem;		/* remainder */
} qdiv_t;
#endif

#define	EXIT_FAILURE	1
#define	EXIT_SUCCESS	0

#define	RAND_MAX	0x7fffffff

extern size_t	__mb_cur_max;
#define	MB_CUR_MAX	__mb_cur_max

/*
 * Some header files may define an abs macro.
 * If defined, undef it to prevent a syntax error and issue a warning.
 */
#ifdef abs
#undef abs
#warning abs macro collides with abs() prototype, undefining
#endif

__BEGIN_DECLS
__dead void	 abort(void);
int	 abs(int);
int	 atexit(void (*)(void));
double	 atof(const char *);
int	 atoi(const char *);
long	 atol(const char *);
void	*bsearch(const void *, const void *, size_t, size_t,
	    int (*)(const void *, const void *));
void	*calloc(size_t, size_t);
div_t	 div(int, int);
__dead void	 exit(int);
__dead void	 _Exit(int);
void	 free(void *);
char	*getenv(const char *);
long	 labs(long);
ldiv_t	 ldiv(long, long);
void	*malloc(size_t);
#if __BSD_VISIBLE
void	freezero(void *, size_t)
		 __attribute__ ((__bounded__(__buffer__,1,2)));
void	*reallocarray(void *, size_t, size_t);
void	*recallocarray(void *, size_t, size_t, size_t);
#endif /* __BSD_VISIBLE */
void	 qsort(void *, size_t, size_t, int (*)(const void *, const void *));
int	 rand(void);
void	*realloc(void *, size_t);
void	 srand(unsigned);
void	 srand_deterministic(unsigned);
double	 strtod(const char *__restrict, char **__restrict);
float	 strtof(const char *__restrict, char **__restrict);
long	 strtol(const char *__restrict, char **__restrict, int);
long double
	 strtold(const char *__restrict, char **__restrict);
unsigned long
	 strtoul(const char *__restrict, char **__restrict, int);
int	 system(const char *);

/* these are currently just stubs */
int	 mblen(const char *, size_t);
size_t	 mbstowcs(wchar_t *, const char *, size_t);
int	 wctomb(char *, wchar_t);
int	 mbtowc(wchar_t *, const char *, size_t);
size_t	 wcstombs(char *, const wchar_t *, size_t);

/*
 * IEEE Std 1003.1c-95, also adopted by X/Open CAE Spec Issue 5 Version 2
 */
#if __BSD_VISIBLE || __POSIX_VISIBLE >= 199506 || defined(_REENTRANT)
int	 rand_r(unsigned int *);
#endif

#if __BSD_VISIBLE || __XPG_VISIBLE >= 400
double	 drand48(void);
double	 erand48(unsigned short[3]);
long	 jrand48(unsigned short[3]);
void	 lcong48(unsigned short[7]);
void	 lcong48_deterministic(unsigned short[7]);
long	 lrand48(void);
long	 mrand48(void);
long	 nrand48(unsigned short[3]);
unsigned short *seed48(unsigned short[3]);
unsigned short *seed48_deterministic(unsigned short[3]);
void	 srand48(long);
void	 srand48_deterministic(long);

int	 putenv(char *);
#endif

/*
 * XSI functions marked LEGACY in IEEE Std 1003.1-2001 (POSIX) and
 * removed in IEEE Std 1003.1-2008
 */
#if __BSD_VISIBLE || __XPG_VISIBLE < 700
char	*ecvt(double, int, int *, int *);
char	*fcvt(double, int, int *, int *);
char	*gcvt(double, int, char *);
#if __BSD_VISIBLE || __XPG_VISIBLE >= 420
char	*mktemp(char *);
#endif
#endif	/* __BSD_VISIBLE || __XPG_VISIBLE < 700 */

#if __BSD_VISIBLE || __XPG_VISIBLE >= 420
long	 a64l(const char *);
char	*l64a(long);

char	*initstate(unsigned int, char *, size_t)
		__attribute__((__bounded__ (__string__,2,3)));
long	 random(void);
char	*setstate(char *);
void	 srandom(unsigned int);
void	 srandom_deterministic(unsigned int);

char	*realpath(const char *, char *)
		__attribute__((__bounded__ (__minbytes__,2,1024)));

/*
 * XSI functions marked LEGACY in XPG5 and removed in IEEE Std 1003.1-2001
 */
#if __BSD_VISIBLE || __XPG_VISIBLE < 600
int	 ttyslot(void);
void	*valloc(size_t);		/* obsoleted by malloc() */
#endif
#endif /* __BSD_VISIBLE || __XPG_VISIBLE >= 420 */

/*
 * 4.4BSD, then XSI in XPG4.2, then added to POSIX base in IEEE Std 1003.1-2008
 */
#if __BSD_VISIBLE || __XPG_VISIBLE >= 420 || __POSIX_VISIBLE >= 200809
int	 mkstemp(char *);
#endif

/*
 * ISO C99
 */
#if __ISO_C_VISIBLE >= 1999
long long
	 atoll(const char *);
long long
	 llabs(long long);
lldiv_t
	 lldiv(long long, long long);
long long
	 strtoll(const char *__restrict, char **__restrict, int);
unsigned long long
	 strtoull(const char *__restrict, char **__restrict, int);
#endif

/*
 * The Open Group Base Specifications, Issue 6; IEEE Std 1003.1-2001 (POSIX)
 */
#if __BSD_VISIBLE || __POSIX_VISIBLE >= 200112
int	 posix_memalign(void **, size_t, size_t);
int	 setenv(const char *, const char *, int);
int	 unsetenv(const char *);
#endif
#if __XPG_VISIBLE >= 420 || __POSIX_VISIBLE >= 200112
char	*ptsname(int);
int	 grantpt(int);
int	 unlockpt(int);
#endif
#if __POSIX_VISIBLE >= 200112
int	 posix_openpt(int);
#endif

/*
 * The Open Group Base Specifications, Issue 7; IEEE Std 1003.1-2008 (POSIX)
 */
#if __BSD_VISIBLE || __POSIX_VISIBLE >= 200809
char	*mkdtemp(char *);
#endif

#if __XPG_VISIBLE >= 420 || __POSIX_VISIBLE >= 200809
int     getsubopt(char **, char * const *, char **);
#endif

/*
 * The Open Group Base Specifications, post-Issue 7
 */
#if __BSD_VISIBLE
int	mkostemp(char *, int);
#endif

#if __BSD_VISIBLE
#define alloca(n) __builtin_alloca(n)

char	*getbsize(int *, long *);
char	*cgetcap(char *, const char *, int);
int	 cgetclose(void);
int	 cgetent(char **, char **, const char *);
int	 cgetfirst(char **, char **);
int	 cgetmatch(char *, const char *);
int	 cgetnext(char **, char **);
int	 cgetnum(char *, const char *, long *);
int	 cgetset(const char *);
int	 cgetusedb(int);
int	 cgetstr(char *, const char *, char **);
int	 cgetustr(char *, const char *, char **);

int	 daemon(int, int);
char	*devname(dev_t, mode_t);
int	 getloadavg(double [], int);

const char *
	getprogname(void);
void	setprogname(const char *);

extern	 char *suboptarg;		/* getsubopt(3) external variable */

int	 mkstemps(char *, int);
int	 mkostemps(char *, int, int);

int	 heapsort(void *, size_t, size_t, int (*)(const void *, const void *));
int	 mergesort(void *, size_t, size_t, int (*)(const void *, const void *));
int	 radixsort(const unsigned char **, int, const unsigned char *,
	    unsigned);
int	 sradixsort(const unsigned char **, int, const unsigned char *,
	    unsigned);

void	 srandomdev(void);
long long
	 strtonum(const char *, long long, long long, const char **);

void	 setproctitle(const char *, ...)
	__attribute__((__format__ (__printf__, 1, 2)));

quad_t	 qabs(quad_t);
qdiv_t	 qdiv(quad_t, quad_t);
quad_t	 strtoq(const char *__restrict, char **__restrict, int);
u_quad_t strtouq(const char *__restrict, char **__restrict, int);

uint32_t arc4random(void);
uint32_t arc4random_uniform(uint32_t);
void arc4random_buf(void *, size_t)
	__attribute__((__bounded__ (__buffer__,1,2)));

#endif /* __BSD_VISIBLE */

__END_DECLS

#endif /* _STDLIB_H_ */