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#include "cache.h"
char *alias_lookup(const char *alias)
{
char *v = NULL;
struct strbuf key = STRBUF_INIT;
strbuf_addf(&key, "alias.%s", alias);
git_config_get_string(key.buf, &v);
strbuf_release(&key);
return v;
}
#define SPLIT_CMDLINE_BAD_ENDING 1
#define SPLIT_CMDLINE_UNCLOSED_QUOTE 2
static const char *split_cmdline_errors[] = {
"cmdline ends with \\",
"unclosed quote"
};
int split_cmdline(char *cmdline, const char ***argv)
{
int src, dst, count = 0, size = 16;
char quoted = 0;
*argv = xmalloc(sizeof(**argv) * size);
/* split alias_string */
(*argv)[count++] = cmdline;
for (src = dst = 0; cmdline[src];) {
char c = cmdline[src];
if (!quoted && isspace(c)) {
cmdline[dst++] = 0;
while (cmdline[++src]
&& isspace(cmdline[src]))
; /* skip */
ALLOC_GROW(*argv, count + 1, size);
(*argv)[count++] = cmdline + dst;
} else if (!quoted && (c == '\'' || c == '"')) {
quoted = c;
src++;
} else if (c == quoted) {
quoted = 0;
src++;
} else {
if (c == '\\' && quoted != '\'') {
src++;
c = cmdline[src];
if (!c) {
free(*argv);
*argv = NULL;
return -SPLIT_CMDLINE_BAD_ENDING;
}
}
cmdline[dst++] = c;
src++;
}
}
cmdline[dst] = 0;
if (quoted) {
free(*argv);
*argv = NULL;
return -SPLIT_CMDLINE_UNCLOSED_QUOTE;
}
ALLOC_GROW(*argv, count + 1, size);
(*argv)[count] = NULL;
return count;
}
const char *split_cmdline_strerror(int split_cmdline_errno)
{
return split_cmdline_errors[-split_cmdline_errno - 1];
}
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