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Commit | Line | Data |
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c1189cae JK |
1 | #include "cache.h" |
2 | #include "argv-array.h" | |
3 | #include "strbuf.h" | |
4 | ||
5 | static const char *empty_argv_storage = NULL; | |
6 | const char **empty_argv = &empty_argv_storage; | |
7 | ||
8 | void argv_array_init(struct argv_array *array) | |
9 | { | |
10 | array->argv = empty_argv; | |
11 | array->argc = 0; | |
12 | array->alloc = 0; | |
13 | } | |
14 | ||
15 | static void argv_array_push_nodup(struct argv_array *array, const char *value) | |
16 | { | |
17 | if (array->argv == empty_argv) | |
18 | array->argv = NULL; | |
19 | ||
20 | ALLOC_GROW(array->argv, array->argc + 2, array->alloc); | |
21 | array->argv[array->argc++] = value; | |
22 | array->argv[array->argc] = NULL; | |
23 | } | |
24 | ||
25 | void argv_array_push(struct argv_array *array, const char *value) | |
26 | { | |
27 | argv_array_push_nodup(array, xstrdup(value)); | |
28 | } | |
29 | ||
30 | void argv_array_pushf(struct argv_array *array, const char *fmt, ...) | |
31 | { | |
32 | va_list ap; | |
33 | struct strbuf v = STRBUF_INIT; | |
34 | ||
35 | va_start(ap, fmt); | |
36 | strbuf_vaddf(&v, fmt, ap); | |
37 | va_end(ap); | |
38 | ||
39 | argv_array_push_nodup(array, strbuf_detach(&v, NULL)); | |
40 | } | |
41 | ||
42 | void argv_array_clear(struct argv_array *array) | |
43 | { | |
44 | if (array->argv != empty_argv) { | |
45 | int i; | |
46 | for (i = 0; i < array->argc; i++) | |
47 | free((char **)array->argv[i]); | |
48 | free(array->argv); | |
49 | } | |
50 | argv_array_init(array); | |
51 | } |