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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 | ||
fd93d2e6 | 5 | const char *empty_argv[] = { NULL }; |
c1189cae JK |
6 | |
7 | void argv_array_init(struct argv_array *array) | |
8 | { | |
9 | array->argv = empty_argv; | |
10 | array->argc = 0; | |
11 | array->alloc = 0; | |
12 | } | |
13 | ||
14 | static void argv_array_push_nodup(struct argv_array *array, const char *value) | |
15 | { | |
16 | if (array->argv == empty_argv) | |
17 | array->argv = NULL; | |
18 | ||
19 | ALLOC_GROW(array->argv, array->argc + 2, array->alloc); | |
20 | array->argv[array->argc++] = value; | |
21 | array->argv[array->argc] = NULL; | |
22 | } | |
23 | ||
24 | void argv_array_push(struct argv_array *array, const char *value) | |
25 | { | |
26 | argv_array_push_nodup(array, xstrdup(value)); | |
27 | } | |
28 | ||
29 | void argv_array_pushf(struct argv_array *array, const char *fmt, ...) | |
30 | { | |
31 | va_list ap; | |
32 | struct strbuf v = STRBUF_INIT; | |
33 | ||
34 | va_start(ap, fmt); | |
35 | strbuf_vaddf(&v, fmt, ap); | |
36 | va_end(ap); | |
37 | ||
38 | argv_array_push_nodup(array, strbuf_detach(&v, NULL)); | |
39 | } | |
40 | ||
d15bbe13 JK |
41 | void argv_array_pushl(struct argv_array *array, ...) |
42 | { | |
43 | va_list ap; | |
44 | const char *arg; | |
45 | ||
46 | va_start(ap, array); | |
47 | while((arg = va_arg(ap, const char *))) | |
48 | argv_array_push(array, arg); | |
49 | va_end(ap); | |
50 | } | |
51 | ||
fe4a0a28 JK |
52 | void argv_array_pop(struct argv_array *array) |
53 | { | |
54 | if (!array->argc) | |
55 | return; | |
56 | free((char *)array->argv[array->argc - 1]); | |
57 | array->argv[array->argc - 1] = NULL; | |
58 | array->argc--; | |
59 | } | |
60 | ||
c1189cae JK |
61 | void argv_array_clear(struct argv_array *array) |
62 | { | |
63 | if (array->argv != empty_argv) { | |
64 | int i; | |
65 | for (i = 0; i < array->argc; i++) | |
ba4d1c7b | 66 | free((char *)array->argv[i]); |
c1189cae JK |
67 | free(array->argv); |
68 | } | |
69 | argv_array_init(array); | |
70 | } | |
df7428ec FA |
71 | |
72 | const char **argv_array_detach(struct argv_array *array, int *argc) | |
73 | { | |
74 | const char **argv = | |
75 | array->argv == empty_argv || array->argc == 0 ? NULL : array->argv; | |
76 | if (argc) | |
77 | *argc = array->argc; | |
78 | argv_array_init(array); | |
79 | return argv; | |
80 | } | |
81 | ||
82 | void argv_array_free_detached(const char **argv) | |
83 | { | |
84 | if (argv) { | |
85 | int i; | |
86 | for (i = 0; argv[i]; i++) | |
87 | free((char **)argv[i]); | |
88 | free(argv); | |
89 | } | |
90 | } |