|
996
|
1 /*
|
|
|
2 * Copyright (C) 2009 Gregor Richards
|
|
|
3 *
|
|
|
4 * Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
|
5 * of this software and associated documentation files (the "Software"), to deal
|
|
|
6 * in the Software without restriction, including without limitation the rights
|
|
|
7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
|
8 * copies of the Software, and to permit persons to whom the Software is
|
|
|
9 * furnished to do so, subject to the following conditions:
|
|
|
10 *
|
|
|
11 * The above copyright notice and this permission notice shall be included in
|
|
|
12 * all copies or substantial portions of the Software.
|
|
|
13 *
|
|
|
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
|
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
|
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
|
17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
|
18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
|
19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
|
20 * THE SOFTWARE.
|
|
|
21 */
|
|
|
22
|
|
|
23 #ifndef HELPERS_H
|
|
|
24 #define HELPERS_H
|
|
|
25
|
|
|
26 /* SF: safely use functions that fail with errno without pulling your hair out */
|
|
|
27 #define SF(into, func, bad, args) \
|
|
|
28 { \
|
|
|
29 (into) = func args; \
|
|
|
30 if ((into) == (bad)) { \
|
|
|
31 perror(#func); \
|
|
|
32 exit(1); \
|
|
|
33 } \
|
|
|
34 }
|
|
|
35
|
|
|
36 #endif
|
