1 /* $Id: mandoc_aux.c,v 1.11 2018/02/07 20:04:57 schwarze Exp $ */
2 /*
3 * Copyright (c) 2009, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
4 * Copyright (c) 2014, 2015, 2017 Ingo Schwarze <schwarze@openbsd.org>
5 *
6 * Permission to use, copy, modify, and distribute this software for any
7 * purpose with or without fee is hereby granted, provided that the above
8 * copyright notice and this permission notice appear in all copies.
9 *
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 */
18 #include "config.h"
19
20 #include <sys/types.h>
21
22 #if HAVE_ERR
23 #include <err.h>
24 #endif
25 #include <stdarg.h>
26 #include <stdlib.h>
27 #include <stdio.h>
28 #include <string.h>
29
30 #include "mandoc.h"
31 #include "mandoc_aux.h"
32
33
34 int
mandoc_asprintf(char ** dest,const char * fmt,...)35 mandoc_asprintf(char **dest, const char *fmt, ...)
36 {
37 va_list ap;
38 int ret;
39
40 va_start(ap, fmt);
41 ret = vasprintf(dest, fmt, ap);
42 va_end(ap);
43
44 if (ret == -1)
45 err((int)MANDOCLEVEL_SYSERR, NULL);
46 return ret;
47 }
48
49 void *
mandoc_calloc(size_t num,size_t size)50 mandoc_calloc(size_t num, size_t size)
51 {
52 void *ptr;
53
54 ptr = calloc(num, size);
55 if (ptr == NULL)
56 err((int)MANDOCLEVEL_SYSERR, NULL);
57 return ptr;
58 }
59
60 void *
mandoc_malloc(size_t size)61 mandoc_malloc(size_t size)
62 {
63 void *ptr;
64
65 ptr = malloc(size);
66 if (ptr == NULL)
67 err((int)MANDOCLEVEL_SYSERR, NULL);
68 return ptr;
69 }
70
71 void *
mandoc_realloc(void * ptr,size_t size)72 mandoc_realloc(void *ptr, size_t size)
73 {
74 ptr = realloc(ptr, size);
75 if (ptr == NULL)
76 err((int)MANDOCLEVEL_SYSERR, NULL);
77 return ptr;
78 }
79
80 void *
mandoc_reallocarray(void * ptr,size_t num,size_t size)81 mandoc_reallocarray(void *ptr, size_t num, size_t size)
82 {
83 ptr = reallocarray(ptr, num, size);
84 if (ptr == NULL)
85 err((int)MANDOCLEVEL_SYSERR, NULL);
86 return ptr;
87 }
88
89 void *
mandoc_recallocarray(void * ptr,size_t oldnum,size_t num,size_t size)90 mandoc_recallocarray(void *ptr, size_t oldnum, size_t num, size_t size)
91 {
92 ptr = recallocarray(ptr, oldnum, num, size);
93 if (ptr == NULL)
94 err((int)MANDOCLEVEL_SYSERR, NULL);
95 return ptr;
96 }
97
98 char *
mandoc_strdup(const char * ptr)99 mandoc_strdup(const char *ptr)
100 {
101 char *p;
102
103 p = strdup(ptr);
104 if (p == NULL)
105 err((int)MANDOCLEVEL_SYSERR, NULL);
106 return p;
107 }
108
109 char *
mandoc_strndup(const char * ptr,size_t sz)110 mandoc_strndup(const char *ptr, size_t sz)
111 {
112 char *p;
113
114 p = strndup(ptr, sz);
115 if (p == NULL)
116 err((int)MANDOCLEVEL_SYSERR, NULL);
117 return p;
118 }
119