Annotation of src/usr.bin/mandoc/mandoc_aux.c, Revision 1.5
1.5 ! schwarze 1: /* $OpenBSD: mandoc_aux.c,v 1.4 2014/11/28 19:25:03 schwarze Exp $ */
1.1 schwarze 2: /*
3: * Copyright (c) 2009, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.2 schwarze 4: * Copyright (c) 2014 Ingo Schwarze <schwarze@openbsd.org>
1.1 schwarze 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:
1.2 schwarze 20: #include <stdarg.h>
1.1 schwarze 21: #include <stdlib.h>
22: #include <stdio.h>
23: #include <string.h>
24:
25: #include "mandoc.h"
26: #include "mandoc_aux.h"
1.2 schwarze 27:
28: int
29: mandoc_asprintf(char **dest, const char *fmt, ...)
30: {
31: va_list ap;
32: int ret;
33:
34: va_start(ap, fmt);
35: ret = vasprintf(dest, fmt, ap);
36: va_end(ap);
37:
38: if (-1 == ret) {
39: perror(NULL);
40: exit((int)MANDOCLEVEL_SYSERR);
41: }
1.5 ! schwarze 42: return ret;
1.2 schwarze 43: }
1.1 schwarze 44:
45: void *
46: mandoc_calloc(size_t num, size_t size)
47: {
48: void *ptr;
49:
50: ptr = calloc(num, size);
51: if (NULL == ptr) {
52: perror(NULL);
53: exit((int)MANDOCLEVEL_SYSERR);
54: }
1.5 ! schwarze 55: return ptr;
1.1 schwarze 56: }
57:
58: void *
59: mandoc_malloc(size_t size)
60: {
61: void *ptr;
62:
63: ptr = malloc(size);
64: if (NULL == ptr) {
65: perror(NULL);
66: exit((int)MANDOCLEVEL_SYSERR);
67: }
1.5 ! schwarze 68: return ptr;
1.1 schwarze 69: }
70:
71: void *
72: mandoc_realloc(void *ptr, size_t size)
73: {
74:
75: ptr = realloc(ptr, size);
1.3 schwarze 76: if (NULL == ptr) {
77: perror(NULL);
78: exit((int)MANDOCLEVEL_SYSERR);
79: }
1.5 ! schwarze 80: return ptr;
1.3 schwarze 81: }
82:
83: void *
84: mandoc_reallocarray(void *ptr, size_t num, size_t size)
85: {
86:
87: ptr = reallocarray(ptr, num, size);
1.1 schwarze 88: if (NULL == ptr) {
89: perror(NULL);
90: exit((int)MANDOCLEVEL_SYSERR);
91: }
1.5 ! schwarze 92: return ptr;
1.1 schwarze 93: }
94:
95: char *
96: mandoc_strdup(const char *ptr)
97: {
98: char *p;
99:
100: p = strdup(ptr);
101: if (NULL == p) {
102: perror(NULL);
103: exit((int)MANDOCLEVEL_SYSERR);
104: }
1.5 ! schwarze 105: return p;
1.1 schwarze 106: }
107:
108: char *
109: mandoc_strndup(const char *ptr, size_t sz)
110: {
111: char *p;
112:
113: p = mandoc_malloc(sz + 1);
114: memcpy(p, ptr, sz);
115: p[(int)sz] = '\0';
1.5 ! schwarze 116: return p;
1.1 schwarze 117: }