This drops the magic number for the fixed-size argv arrays,
so we do not have to wonder if we are overflowing it. We can
also drop some confusing sha1_to_hex memory allocation
(which seems to predate the ring of buffers allowing
multiple calls), and get rid of an unchecked sprintf call.
Signed-off-by: Jeff King <peff@xxxxxxxx>
---
http-push.c | 32 ++++++++++----------------------
1 file changed, 10 insertions(+), 22 deletions(-)
diff --git a/http-push.c b/http-push.c
index e501c28..43a9036 100644
--- a/http-push.c
+++ b/http-push.c
@@ -10,6 +10,7 @@
#include "remote.h"
#include "list-objects.h"
#include "sigchain.h"
+#include "argv-array.h"
#ifdef EXPAT_NEEDS_XMLPARSE_H
#include <xmlparse.h>
@@ -1856,9 +1857,7 @@ int main(int argc, char **argv)
new_refs = 0;
for (ref = remote_refs; ref; ref = ref->next) {
char old_hex[60], *new_hex;
- const char *commit_argv[5];
- int commit_argc;
- char *new_sha1_hex, *old_sha1_hex;
+ struct argv_array commit_argv = ARGV_ARRAY_INIT;
if (!ref->peer_ref)
continue;
@@ -1937,27 +1936,15 @@ int main(int argc, char **argv)
}
/* Set up revision info for this refspec */
- commit_argc = 3;
- new_sha1_hex = xstrdup(sha1_to_hex(ref->new_sha1));
- old_sha1_hex = NULL;
- commit_argv[1] = "--objects";
- commit_argv[2] = new_sha1_hex;
- if (!push_all && !is_null_sha1(ref->old_sha1)) {
- old_sha1_hex = xmalloc(42);
- sprintf(old_sha1_hex, "^%s",
- sha1_to_hex(ref->old_sha1));
- commit_argv[3] = old_sha1_hex;
- commit_argc++;
- }
- commit_argv[commit_argc] = NULL;
+ argv_array_push(&commit_argv, ""); /* ignored */
+ argv_array_push(&commit_argv, "--objects");
+ argv_array_push(&commit_argv, sha1_to_hex(ref->new_sha1));
+ if (!push_all && !is_null_sha1(ref->old_sha1))
+ argv_array_pushf(&commit_argv, "^%s",
+ sha1_to_hex(ref->old_sha1));
init_revisions(&revs, setup_git_directory());
- setup_revisions(commit_argc, commit_argv, &revs, NULL);
+ setup_revisions(commit_argv.argc, commit_argv.argv, &revs, NULL);
revs.edge_hint = 0; /* just in case */
- free(new_sha1_hex);
- if (old_sha1_hex) {
- free(old_sha1_hex);
- commit_argv[1] = NULL;
- }
/* Generate a list of objects that need to be pushed */
pushing = 0;
@@ -1986,6 +1973,7 @@ int main(int argc, char **argv)
printf("%s %s\n", !rc ? "ok" : "error", ref->name);
unlock_remote(ref_lock);
check_locks();
+ argv_array_clear(&commit_argv);
}
/* Update remote server info if appropriate */
--
2.6.0.rc2.408.ga2926b9
--
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