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