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Commit | Line | Data |
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94351118 JK |
1 | #include "cache.h" |
2 | ||
3 | static const char *alias_key; | |
4 | static char *alias_val; | |
ef90d6d4 JS |
5 | |
6 | static int alias_lookup_cb(const char *k, const char *v, void *cb) | |
94351118 | 7 | { |
ae021d87 JK |
8 | const char *name; |
9 | if (skip_prefix(k, "alias.", &name) && !strcmp(name, alias_key)) { | |
94351118 JK |
10 | if (!v) |
11 | return config_error_nonbool(k); | |
12 | alias_val = xstrdup(v); | |
13 | return 0; | |
14 | } | |
15 | return 0; | |
16 | } | |
17 | ||
18 | char *alias_lookup(const char *alias) | |
19 | { | |
20 | alias_key = alias; | |
21 | alias_val = NULL; | |
ef90d6d4 | 22 | git_config(alias_lookup_cb, NULL); |
94351118 JK |
23 | return alias_val; |
24 | } | |
0989fe96 | 25 | |
ad9ac6db GB |
26 | #define SPLIT_CMDLINE_BAD_ENDING 1 |
27 | #define SPLIT_CMDLINE_UNCLOSED_QUOTE 2 | |
28 | static const char *split_cmdline_errors[] = { | |
29 | "cmdline ends with \\", | |
30 | "unclosed quote" | |
31 | }; | |
32 | ||
0989fe96 MV |
33 | int split_cmdline(char *cmdline, const char ***argv) |
34 | { | |
35 | int src, dst, count = 0, size = 16; | |
36 | char quoted = 0; | |
37 | ||
cc108379 | 38 | *argv = xmalloc(sizeof(**argv) * size); |
0989fe96 MV |
39 | |
40 | /* split alias_string */ | |
41 | (*argv)[count++] = cmdline; | |
42 | for (src = dst = 0; cmdline[src];) { | |
43 | char c = cmdline[src]; | |
44 | if (!quoted && isspace(c)) { | |
45 | cmdline[dst++] = 0; | |
46 | while (cmdline[++src] | |
47 | && isspace(cmdline[src])) | |
48 | ; /* skip */ | |
cc108379 | 49 | ALLOC_GROW(*argv, count + 1, size); |
0989fe96 MV |
50 | (*argv)[count++] = cmdline + dst; |
51 | } else if (!quoted && (c == '\'' || c == '"')) { | |
52 | quoted = c; | |
53 | src++; | |
54 | } else if (c == quoted) { | |
55 | quoted = 0; | |
56 | src++; | |
57 | } else { | |
58 | if (c == '\\' && quoted != '\'') { | |
59 | src++; | |
60 | c = cmdline[src]; | |
61 | if (!c) { | |
62 | free(*argv); | |
63 | *argv = NULL; | |
ad9ac6db | 64 | return -SPLIT_CMDLINE_BAD_ENDING; |
0989fe96 MV |
65 | } |
66 | } | |
67 | cmdline[dst++] = c; | |
68 | src++; | |
69 | } | |
70 | } | |
71 | ||
72 | cmdline[dst] = 0; | |
73 | ||
74 | if (quoted) { | |
75 | free(*argv); | |
76 | *argv = NULL; | |
ad9ac6db | 77 | return -SPLIT_CMDLINE_UNCLOSED_QUOTE; |
0989fe96 MV |
78 | } |
79 | ||
cc108379 | 80 | ALLOC_GROW(*argv, count + 1, size); |
27d5438d JK |
81 | (*argv)[count] = NULL; |
82 | ||
0989fe96 MV |
83 | return count; |
84 | } | |
85 | ||
cc108379 FC |
86 | const char *split_cmdline_strerror(int split_cmdline_errno) |
87 | { | |
88 | return split_cmdline_errors[-split_cmdline_errno - 1]; | |
ad9ac6db | 89 | } |