1 /* $Id: mandoc_aux.c,v 1.4 2014/08/10 23:54:41 schwarze Exp $ */
2 /*
3 * Copyright (c) 2009, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
4 * Copyright (c) 2014 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 #include <stdarg.h>
23 #include <stdlib.h>
24 #include <stdio.h>
25 #include <string.h>
26
27 #include "mandoc.h"
28 #include "mandoc_aux.h"
29
30 int
mandoc_asprintf(char ** dest,const char * fmt,...)31 mandoc_asprintf(char **dest, const char *fmt, ...)
32 {
33 va_list ap;
34 int ret;
35
36 va_start(ap, fmt);
37 ret = vasprintf(dest, fmt, ap);
38 va_end(ap);
39
40 if (-1 == ret) {
41 perror(NULL);
42 exit((int)MANDOCLEVEL_SYSERR);
43 }
44 return(ret);
45 }
46
47 void *
mandoc_calloc(size_t num,size_t size)48 mandoc_calloc(size_t num, size_t size)
49 {
50 void *ptr;
51
52 ptr = calloc(num, size);
53 if (NULL == ptr) {
54 perror(NULL);
55 exit((int)MANDOCLEVEL_SYSERR);
56 }
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 (NULL == ptr) {
67 perror(NULL);
68 exit((int)MANDOCLEVEL_SYSERR);
69 }
70 return(ptr);
71 }
72
73 void *
mandoc_realloc(void * ptr,size_t size)74 mandoc_realloc(void *ptr, size_t size)
75 {
76
77 ptr = realloc(ptr, size);
78 if (NULL == ptr) {
79 perror(NULL);
80 exit((int)MANDOCLEVEL_SYSERR);
81 }
82 return(ptr);
83 }
84
85 void *
mandoc_reallocarray(void * ptr,size_t num,size_t size)86 mandoc_reallocarray(void *ptr, size_t num, size_t size)
87 {
88
89 ptr = reallocarray(ptr, num, size);
90 if (NULL == ptr) {
91 perror(NULL);
92 exit((int)MANDOCLEVEL_SYSERR);
93 }
94 return(ptr);
95 }
96
97 char *
mandoc_strdup(const char * ptr)98 mandoc_strdup(const char *ptr)
99 {
100 char *p;
101
102 p = strdup(ptr);
103 if (NULL == p) {
104 perror(NULL);
105 exit((int)MANDOCLEVEL_SYSERR);
106 }
107 return(p);
108 }
109
110 char *
mandoc_strndup(const char * ptr,size_t sz)111 mandoc_strndup(const char *ptr, size_t sz)
112 {
113 char *p;
114
115 p = mandoc_malloc(sz + 1);
116 memcpy(p, ptr, sz);
117 p[(int)sz] = '\0';
118 return(p);
119 }
120