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Commit | Line | Data |
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94351118 | 1 | #include "cache.h" |
65b5f948 | 2 | #include "alias.h" |
b2141fc1 | 3 | #include "config.h" |
3301d36b | 4 | #include "string-list.h" |
94351118 | 5 | |
a9bcf658 JS |
6 | struct config_alias_data { |
7 | const char *alias; | |
8 | char *v; | |
3301d36b | 9 | struct string_list *list; |
a9bcf658 JS |
10 | }; |
11 | ||
12 | static int config_alias_cb(const char *key, const char *value, void *d) | |
13 | { | |
14 | struct config_alias_data *data = d; | |
15 | const char *p; | |
16 | ||
3301d36b NTND |
17 | if (!skip_prefix(key, "alias.", &p)) |
18 | return 0; | |
19 | ||
20 | if (data->alias) { | |
21 | if (!strcasecmp(p, data->alias)) | |
22 | return git_config_string((const char **)&data->v, | |
23 | key, value); | |
24 | } else if (data->list) { | |
25 | string_list_append(data->list, p); | |
26 | } | |
a9bcf658 JS |
27 | |
28 | return 0; | |
29 | } | |
30 | ||
94351118 JK |
31 | char *alias_lookup(const char *alias) |
32 | { | |
a9bcf658 JS |
33 | struct config_alias_data data = { alias, NULL }; |
34 | ||
35 | read_early_config(config_alias_cb, &data); | |
36 | ||
37 | return data.v; | |
94351118 | 38 | } |
0989fe96 | 39 | |
3301d36b NTND |
40 | void list_aliases(struct string_list *list) |
41 | { | |
42 | struct config_alias_data data = { NULL, NULL, list }; | |
43 | ||
44 | read_early_config(config_alias_cb, &data); | |
45 | } | |
46 | ||
ad9ac6db GB |
47 | #define SPLIT_CMDLINE_BAD_ENDING 1 |
48 | #define SPLIT_CMDLINE_UNCLOSED_QUOTE 2 | |
0ca6ead8 | 49 | #define SPLIT_CMDLINE_ARGC_OVERFLOW 3 |
ad9ac6db | 50 | static const char *split_cmdline_errors[] = { |
a7412ae1 | 51 | N_("cmdline ends with \\"), |
0ca6ead8 KB |
52 | N_("unclosed quote"), |
53 | N_("too many arguments"), | |
ad9ac6db GB |
54 | }; |
55 | ||
0989fe96 MV |
56 | int split_cmdline(char *cmdline, const char ***argv) |
57 | { | |
0ca6ead8 | 58 | size_t src, dst, count = 0, size = 16; |
0989fe96 MV |
59 | char quoted = 0; |
60 | ||
b32fa95f | 61 | ALLOC_ARRAY(*argv, size); |
0989fe96 MV |
62 | |
63 | /* split alias_string */ | |
64 | (*argv)[count++] = cmdline; | |
65 | for (src = dst = 0; cmdline[src];) { | |
66 | char c = cmdline[src]; | |
67 | if (!quoted && isspace(c)) { | |
68 | cmdline[dst++] = 0; | |
69 | while (cmdline[++src] | |
70 | && isspace(cmdline[src])) | |
71 | ; /* skip */ | |
cc108379 | 72 | ALLOC_GROW(*argv, count + 1, size); |
0989fe96 MV |
73 | (*argv)[count++] = cmdline + dst; |
74 | } else if (!quoted && (c == '\'' || c == '"')) { | |
75 | quoted = c; | |
76 | src++; | |
77 | } else if (c == quoted) { | |
78 | quoted = 0; | |
79 | src++; | |
80 | } else { | |
81 | if (c == '\\' && quoted != '\'') { | |
82 | src++; | |
83 | c = cmdline[src]; | |
84 | if (!c) { | |
6a83d902 | 85 | FREE_AND_NULL(*argv); |
ad9ac6db | 86 | return -SPLIT_CMDLINE_BAD_ENDING; |
0989fe96 MV |
87 | } |
88 | } | |
89 | cmdline[dst++] = c; | |
90 | src++; | |
91 | } | |
92 | } | |
93 | ||
94 | cmdline[dst] = 0; | |
95 | ||
96 | if (quoted) { | |
6a83d902 | 97 | FREE_AND_NULL(*argv); |
ad9ac6db | 98 | return -SPLIT_CMDLINE_UNCLOSED_QUOTE; |
0989fe96 MV |
99 | } |
100 | ||
0ca6ead8 KB |
101 | if (count >= INT_MAX) { |
102 | FREE_AND_NULL(*argv); | |
103 | return -SPLIT_CMDLINE_ARGC_OVERFLOW; | |
104 | } | |
105 | ||
cc108379 | 106 | ALLOC_GROW(*argv, count + 1, size); |
27d5438d JK |
107 | (*argv)[count] = NULL; |
108 | ||
0989fe96 MV |
109 | return count; |
110 | } | |
111 | ||
cc108379 FC |
112 | const char *split_cmdline_strerror(int split_cmdline_errno) |
113 | { | |
114 | return split_cmdline_errors[-split_cmdline_errno - 1]; | |
ad9ac6db | 115 | } |