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