1#include "cache.h"
2
3static const char *alias_key;
4static char *alias_val;
5
6static 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
18char *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
26int 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					zfree(argv);
59					return error("cmdline ends with \\");
60				}
61			}
62			cmdline[dst++] = c;
63			src++;
64		}
65	}
66
67	cmdline[dst] = 0;
68
69	if (quoted) {
70		zfree(argv);
71		return error("unclosed quote");
72	}
73
74	return count;
75}
76
77