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Source at commit d4c4031b9afeb0a1509767bcbfec8a5248cb9866 created 13 years 9 months ago. By werner, Added support for reordering frames in the GUI. | |
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1 | /* |
2 | * util.h - Common utility functions |
3 | * |
4 | * Written 2006, 2009, 2010 by Werner Almesberger |
5 | * Copyright 2006, 2009, 2010 Werner Almesberger |
6 | * |
7 | * This program is free software; you can redistribute it and/or modify |
8 | * it under the terms of the GNU General Public License as published by |
9 | * the Free Software Foundation; either version 2 of the License, or |
10 | * (at your option) any later version. |
11 | */ |
12 | |
13 | |
14 | #ifndef UTIL_H |
15 | #define UTIL_H |
16 | |
17 | #include <stdarg.h> |
18 | #include <stdlib.h> |
19 | #include <string.h> |
20 | |
21 | |
22 | #define alloc_size(s) \ |
23 | ({ void *alloc_size_tmp = malloc(s); \ |
24 | if (!alloc_size_tmp) \ |
25 | abort(); \ |
26 | alloc_size_tmp; }) |
27 | |
28 | #define alloc_type(t) ((t *) alloc_size(sizeof(t))) |
29 | |
30 | #define zalloc_size(s) \ |
31 | ({ void *zalloc_size_tmp = alloc_size(s); \ |
32 | memset(zalloc_size_tmp, 0, (s)); \ |
33 | zalloc_size_tmp; }) |
34 | |
35 | #define zalloc_type(t) \ |
36 | ({ t *zalloc_type_tmp = alloc_type(t); \ |
37 | memset(zalloc_type_tmp, 0, sizeof(t)); \ |
38 | zalloc_type_tmp; }) |
39 | |
40 | #define stralloc(s) \ |
41 | ({ char *stralloc_tmp = strdup(s); \ |
42 | if (!stralloc_tmp) \ |
43 | abort(); \ |
44 | stralloc_tmp; }) |
45 | |
46 | #define strnalloc(s, n) \ |
47 | ({ char *strnalloc_tmp = alloc_size((n)+1); \ |
48 | if (!strnalloc_tmp) \ |
49 | abort(); \ |
50 | strncpy(strnalloc_tmp, (s), (n)); \ |
51 | strnalloc_tmp[n] = 0; \ |
52 | strnalloc_tmp; }) |
53 | |
54 | #define swap(a, b) \ |
55 | ({ typeof(a) swap_tmp = (a); \ |
56 | (a) = (b); \ |
57 | (b) = swap_tmp; }) |
58 | |
59 | |
60 | char *stralloc_vprintf(const char *fmt, va_list ap); |
61 | char *stralloc_printf(const char *fmt, ...) |
62 | __attribute__((format(printf, 1, 2))); |
63 | |
64 | int is_id_char(char c, int first); |
65 | int is_id(const char *s); |
66 | |
67 | const char *unique(const char *s); |
68 | void unique_cleanup(void); |
69 | |
70 | #endif /* !UTIL_H */ |
71 |
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