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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 | ||
342c513a | 24 | const char *argv_array_push(struct argv_array *array, const char *value) |
c1189cae JK |
25 | { |
26 | argv_array_push_nodup(array, xstrdup(value)); | |
342c513a | 27 | return array->argv[array->argc - 1]; |
c1189cae JK |
28 | } |
29 | ||
342c513a | 30 | const char *argv_array_pushf(struct argv_array *array, const char *fmt, ...) |
c1189cae JK |
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)); | |
342c513a | 40 | return array->argv[array->argc - 1]; |
c1189cae JK |
41 | } |
42 | ||
d15bbe13 JK |
43 | void argv_array_pushl(struct argv_array *array, ...) |
44 | { | |
45 | va_list ap; | |
46 | const char *arg; | |
47 | ||
48 | va_start(ap, array); | |
49 | while((arg = va_arg(ap, const char *))) | |
50 | argv_array_push(array, arg); | |
51 | va_end(ap); | |
52 | } | |
53 | ||
85b34324 PT |
54 | void argv_array_pushv(struct argv_array *array, const char **argv) |
55 | { | |
56 | for (; *argv; argv++) | |
57 | argv_array_push(array, *argv); | |
58 | } | |
59 | ||
fe4a0a28 JK |
60 | void argv_array_pop(struct argv_array *array) |
61 | { | |
62 | if (!array->argc) | |
63 | return; | |
64 | free((char *)array->argv[array->argc - 1]); | |
65 | array->argv[array->argc - 1] = NULL; | |
66 | array->argc--; | |
67 | } | |
68 | ||
c5aa6db6 JS |
69 | void argv_array_split(struct argv_array *array, const char *to_split) |
70 | { | |
71 | while (isspace(*to_split)) | |
72 | to_split++; | |
73 | for (;;) { | |
74 | const char *p = to_split; | |
75 | ||
76 | if (!*p) | |
77 | break; | |
78 | ||
79 | while (*p && !isspace(*p)) | |
80 | p++; | |
81 | argv_array_push_nodup(array, xstrndup(to_split, p - to_split)); | |
82 | ||
83 | while (isspace(*p)) | |
84 | p++; | |
85 | to_split = p; | |
86 | } | |
87 | } | |
88 | ||
c1189cae JK |
89 | void argv_array_clear(struct argv_array *array) |
90 | { | |
91 | if (array->argv != empty_argv) { | |
92 | int i; | |
93 | for (i = 0; i < array->argc; i++) | |
ba4d1c7b | 94 | free((char *)array->argv[i]); |
c1189cae JK |
95 | free(array->argv); |
96 | } | |
97 | argv_array_init(array); | |
98 | } | |
b992657e JK |
99 | |
100 | const char **argv_array_detach(struct argv_array *array) | |
101 | { | |
102 | if (array->argv == empty_argv) | |
103 | return xcalloc(1, sizeof(const char *)); | |
104 | else { | |
105 | const char **ret = array->argv; | |
106 | argv_array_init(array); | |
107 | return ret; | |
108 | } | |
109 | } |