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Commit | Line | Data |
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36bf1958 | 1 | #include "git-compat-util.h" |
65b5f948 | 2 | #include "alias.h" |
36bf1958 | 3 | #include "alloc.h" |
b2141fc1 | 4 | #include "config.h" |
36bf1958 | 5 | #include "gettext.h" |
4960e5c7 | 6 | #include "strbuf.h" |
3301d36b | 7 | #include "string-list.h" |
94351118 | 8 | |
a9bcf658 JS |
9 | struct config_alias_data { |
10 | const char *alias; | |
11 | char *v; | |
3301d36b | 12 | struct string_list *list; |
a9bcf658 JS |
13 | }; |
14 | ||
15 | static int config_alias_cb(const char *key, const char *value, void *d) | |
16 | { | |
17 | struct config_alias_data *data = d; | |
18 | const char *p; | |
19 | ||
3301d36b NTND |
20 | if (!skip_prefix(key, "alias.", &p)) |
21 | return 0; | |
22 | ||
23 | if (data->alias) { | |
24 | if (!strcasecmp(p, data->alias)) | |
25 | return git_config_string((const char **)&data->v, | |
26 | key, value); | |
27 | } else if (data->list) { | |
28 | string_list_append(data->list, p); | |
29 | } | |
a9bcf658 JS |
30 | |
31 | return 0; | |
32 | } | |
33 | ||
94351118 JK |
34 | char *alias_lookup(const char *alias) |
35 | { | |
a9bcf658 JS |
36 | struct config_alias_data data = { alias, NULL }; |
37 | ||
38 | read_early_config(config_alias_cb, &data); | |
39 | ||
40 | return data.v; | |
94351118 | 41 | } |
0989fe96 | 42 | |
3301d36b NTND |
43 | void list_aliases(struct string_list *list) |
44 | { | |
45 | struct config_alias_data data = { NULL, NULL, list }; | |
46 | ||
47 | read_early_config(config_alias_cb, &data); | |
48 | } | |
49 | ||
4960e5c7 PW |
50 | void quote_cmdline(struct strbuf *buf, const char **argv) |
51 | { | |
52 | for (const char **argp = argv; *argp; argp++) { | |
53 | if (argp != argv) | |
54 | strbuf_addch(buf, ' '); | |
55 | strbuf_addch(buf, '"'); | |
56 | for (const char *p = *argp; *p; p++) { | |
57 | const char c = *p; | |
58 | ||
59 | if (c == '"' || c =='\\') | |
60 | strbuf_addch(buf, '\\'); | |
61 | strbuf_addch(buf, c); | |
62 | } | |
63 | strbuf_addch(buf, '"'); | |
64 | } | |
65 | } | |
66 | ||
ad9ac6db GB |
67 | #define SPLIT_CMDLINE_BAD_ENDING 1 |
68 | #define SPLIT_CMDLINE_UNCLOSED_QUOTE 2 | |
0ca6ead8 | 69 | #define SPLIT_CMDLINE_ARGC_OVERFLOW 3 |
ad9ac6db | 70 | static const char *split_cmdline_errors[] = { |
a7412ae1 | 71 | N_("cmdline ends with \\"), |
0ca6ead8 KB |
72 | N_("unclosed quote"), |
73 | N_("too many arguments"), | |
ad9ac6db GB |
74 | }; |
75 | ||
0989fe96 MV |
76 | int split_cmdline(char *cmdline, const char ***argv) |
77 | { | |
0ca6ead8 | 78 | size_t src, dst, count = 0, size = 16; |
0989fe96 MV |
79 | char quoted = 0; |
80 | ||
b32fa95f | 81 | ALLOC_ARRAY(*argv, size); |
0989fe96 MV |
82 | |
83 | /* split alias_string */ | |
84 | (*argv)[count++] = cmdline; | |
85 | for (src = dst = 0; cmdline[src];) { | |
86 | char c = cmdline[src]; | |
87 | if (!quoted && isspace(c)) { | |
88 | cmdline[dst++] = 0; | |
89 | while (cmdline[++src] | |
90 | && isspace(cmdline[src])) | |
91 | ; /* skip */ | |
cc108379 | 92 | ALLOC_GROW(*argv, count + 1, size); |
0989fe96 MV |
93 | (*argv)[count++] = cmdline + dst; |
94 | } else if (!quoted && (c == '\'' || c == '"')) { | |
95 | quoted = c; | |
96 | src++; | |
97 | } else if (c == quoted) { | |
98 | quoted = 0; | |
99 | src++; | |
100 | } else { | |
101 | if (c == '\\' && quoted != '\'') { | |
102 | src++; | |
103 | c = cmdline[src]; | |
104 | if (!c) { | |
6a83d902 | 105 | FREE_AND_NULL(*argv); |
ad9ac6db | 106 | return -SPLIT_CMDLINE_BAD_ENDING; |
0989fe96 MV |
107 | } |
108 | } | |
109 | cmdline[dst++] = c; | |
110 | src++; | |
111 | } | |
112 | } | |
113 | ||
114 | cmdline[dst] = 0; | |
115 | ||
116 | if (quoted) { | |
6a83d902 | 117 | FREE_AND_NULL(*argv); |
ad9ac6db | 118 | return -SPLIT_CMDLINE_UNCLOSED_QUOTE; |
0989fe96 MV |
119 | } |
120 | ||
0ca6ead8 KB |
121 | if (count >= INT_MAX) { |
122 | FREE_AND_NULL(*argv); | |
123 | return -SPLIT_CMDLINE_ARGC_OVERFLOW; | |
124 | } | |
125 | ||
cc108379 | 126 | ALLOC_GROW(*argv, count + 1, size); |
27d5438d JK |
127 | (*argv)[count] = NULL; |
128 | ||
0989fe96 MV |
129 | return count; |
130 | } | |
131 | ||
cc108379 FC |
132 | const char *split_cmdline_strerror(int split_cmdline_errno) |
133 | { | |
134 | return split_cmdline_errors[-split_cmdline_errno - 1]; | |
ad9ac6db | 135 | } |