1 /* $OpenBSD: mandoc_aux.c,v 1.9 2018/02/07 20:04:33 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 <sys/types.h>
19
20 #include <err.h>
21 #include <stdarg.h>
22 #include <stdlib.h>
23 #include <stdio.h>
24 #include <string.h>
25
26 #include "mandoc.h"
27 #include "mandoc_aux.h"
28
29 int
mandoc_asprintf(char ** dest,const char * fmt,...)30 mandoc_asprintf(char **dest, const char *fmt, ...)
31 {
32 va_list ap;
33 int ret;
34
35 va_start(ap, fmt);
36 ret = vasprintf(dest, fmt, ap);
37 va_end(ap);
38
39 if (ret == -1)
40 err((int)MANDOCLEVEL_SYSERR, NULL);
41 return ret;
42 }
43
44 void *
mandoc_calloc(size_t num,size_t size)45 mandoc_calloc(size_t num, size_t size)
46 {
47 void *ptr;
48
49 ptr = calloc(num, size);
50 if (ptr == NULL)
51 err((int)MANDOCLEVEL_SYSERR, NULL);
52 return ptr;
53 }
54
55 void *
mandoc_malloc(size_t size)56 mandoc_malloc(size_t size)
57 {
58 void *ptr;
59
60 ptr = malloc(size);
61 if (ptr == NULL)
62 err((int)MANDOCLEVEL_SYSERR, NULL);
63 return ptr;
64 }
65
66 void *
mandoc_realloc(void * ptr,size_t size)67 mandoc_realloc(void *ptr, size_t size)
68 {
69 ptr = realloc(ptr, size);
70 if (ptr == NULL)
71 err((int)MANDOCLEVEL_SYSERR, NULL);
72 return ptr;
73 }
74
75 void *
mandoc_reallocarray(void * ptr,size_t num,size_t size)76 mandoc_reallocarray(void *ptr, size_t num, size_t size)
77 {
78 ptr = reallocarray(ptr, num, size);
79 if (ptr == NULL)
80 err((int)MANDOCLEVEL_SYSERR, NULL);
81 return ptr;
82 }
83
84 void *
mandoc_recallocarray(void * ptr,size_t oldnum,size_t num,size_t size)85 mandoc_recallocarray(void *ptr, size_t oldnum, size_t num, size_t size)
86 {
87 ptr = recallocarray(ptr, oldnum, num, size);
88 if (ptr == NULL)
89 err((int)MANDOCLEVEL_SYSERR, NULL);
90 return ptr;
91 }
92
93 char *
mandoc_strdup(const char * ptr)94 mandoc_strdup(const char *ptr)
95 {
96 char *p;
97
98 p = strdup(ptr);
99 if (p == NULL)
100 err((int)MANDOCLEVEL_SYSERR, NULL);
101 return p;
102 }
103
104 char *
mandoc_strndup(const char * ptr,size_t sz)105 mandoc_strndup(const char *ptr, size_t sz)
106 {
107 char *p;
108
109 p = strndup(ptr, sz);
110 if (p == NULL)
111 err((int)MANDOCLEVEL_SYSERR, NULL);
112 return p;
113 }
114