describe: use argv-array

Instead of using a hand allocated args[] array, use argv-array API
to manage the dynamically created list of arguments when invoking
name-rev.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
maint
Junio C Hamano 2013-07-07 14:42:23 -07:00
parent b23e0b9353
commit 45bc950b43
1 changed files with 15 additions and 15 deletions

View File

@ -7,6 +7,7 @@
#include "parse-options.h" #include "parse-options.h"
#include "diff.h" #include "diff.h"
#include "hash.h" #include "hash.h"
#include "argv-array.h"


#define SEEN (1u<<0) #define SEEN (1u<<0)
#define MAX_TAGS (FLAG_BITS - 1) #define MAX_TAGS (FLAG_BITS - 1)
@ -442,24 +443,23 @@ int cmd_describe(int argc, const char **argv, const char *prefix)
die(_("--long is incompatible with --abbrev=0")); die(_("--long is incompatible with --abbrev=0"));


if (contains) { if (contains) {
const char **args = xmalloc((7 + argc) * sizeof(char *)); struct argv_array args;
int i = 0;
args[i++] = "name-rev"; argv_array_init(&args);
args[i++] = "--name-only"; argv_array_pushl(&args, "name-rev", "--name-only", "--no-undefined",
args[i++] = "--no-undefined"; NULL);
if (always) if (always)
args[i++] = "--always"; argv_array_push(&args, "--always");
if (!all) { if (!all) {
args[i++] = "--tags"; argv_array_push(&args, "--tags");
if (pattern) { if (pattern)
char *s = xmalloc(strlen("--refs=refs/tags/") + strlen(pattern) + 1); argv_array_pushf(&args, "--refs=refs/tags/%s", pattern);
sprintf(s, "--refs=refs/tags/%s", pattern);
args[i++] = s;
}
} }
memcpy(args + i, argv, argc * sizeof(char *)); while (*argv) {
args[i + argc] = NULL; argv_array_push(&args, *argv);
return cmd_name_rev(i + argc, args, prefix); argv++;
}
return cmd_name_rev(args.argc, args.argv, prefix);
} }


init_hash(&names); init_hash(&names);