projects/pwm

view util.c @ 26:5bdea77d0c1d

Add pwm-clip utility for setting the X11 CLIPBOARD selection
author Guido Berhoerster <guido+pwm@berhoerster.name>
date Thu Sep 21 09:45:59 2017 +0200 (2017-09-21)
parents a7e41e1a79c8
children
line source
1 /*
2 * Copyright (C) 2017 Guido Berhoerster <guido+pwm@berhoerster.name>
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining
5 * a copy of this software and associated documentation files (the
6 * "Software"), to deal in the Software without restriction, including
7 * without limitation the rights to use, copy, modify, merge, publish,
8 * distribute, sublicense, and/or sell copies of the Software, and to
9 * permit persons to whom the Software is furnished to do so, subject to
10 * the following conditions:
11 *
12 * The above copyright notice and this permission notice shall be included
13 * in all copies or substantial portions of the Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
18 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
19 * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
20 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
21 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
22 */
24 #include "compat.h"
26 #ifdef HAVE_ERR_H
27 #include <err.h>
28 #endif /* HAVE_ERR_H */
29 #include <stdio.h>
30 #include <string.h>
32 #include "util.h"
34 void *
35 xmalloc(size_t size)
36 {
37 void *ptr;
39 ptr = malloc(size);
40 if (ptr == NULL) {
41 err(1, "malloc");
42 }
44 return (ptr);
45 }
47 void *
48 xrealloc(void *ptr, size_t size)
49 {
50 ptr = realloc(ptr, size);
51 if (ptr == NULL) {
52 err(1, "realloc");
53 }
55 return (ptr);
56 }
58 char *
59 xstrdup(const char *str)
60 {
61 char *new;
63 new = strdup(str);
64 if (new == NULL) {
65 err(1, "strdup");
66 }
68 return (new);
69 }
71 char *
72 xvasprintf(char **strp, const char *fmt, va_list args)
73 {
74 if (vasprintf(strp, fmt, args) < 0) {
75 err(1, "vasprintf");
76 }
78 return (*strp);
79 }
81 char *
82 xasprintf(char **strp, const char *fmt, ...)
83 {
84 va_list args;
86 va_start(args, fmt);
87 xvasprintf(strp, fmt, args);
88 va_end(args);
90 return (*strp);
91 }