On Tue, Jul 14, 2015 at 09:54:10AM -0700, Stefan Beller wrote:
> So what I meant to suggest, was to only allocate the memory if we really need
> it
> by moving the allocation further down.
>
> static int clean_index(const unsigned char *head, const unsigned char *remote)
> {
> struct lock_file *lock_file;
> ...
> ... // includes return -1, which would not leak the memory already allocated
> ...
> lock_file = xalloc (...);
> hold_locked_index(lock_file, 1);
Ah, sorry, I misinterpreted your message ><. Thanks for catching this.
I've moved all the lock file memory allocation to just before the
hold_locked_index() calls on my end.
diff --git a/builtin/am.c b/builtin/am.c
index c597325..dc8e862 100644
--- a/builtin/am.c
+++ b/builtin/am.c
@@ -1138,13 +1138,12 @@ static const char *msgnum(const struct am_state *state)
*/
static void refresh_and_write_cache(void)
{
- static struct lock_file lock_file;
+ struct lock_file *lock_file = xcalloc(1, sizeof(struct lock_file));
- hold_locked_index(&lock_file, 1);
+ hold_locked_index(lock_file, 1);
refresh_cache(REFRESH_QUIET);
- if (write_locked_index(&the_index, &lock_file, COMMIT_LOCK))
+ if (write_locked_index(&the_index, lock_file, COMMIT_LOCK))
die(_("unable to write index file"));
- rollback_lock_file(&lock_file);
}
/**
@@ -1923,13 +1922,14 @@ next:
*/
static int fast_forward_to(struct tree *head, struct tree *remote, int reset)
{
- struct lock_file *lock_file = xcalloc(1, sizeof(struct lock_file));
+ struct lock_file *lock_file;
struct unpack_trees_options opts;
struct tree_desc t[2];
if (parse_tree(head) || parse_tree(remote))
return -1;
+ lock_file = xcalloc(1, sizeof(struct lock_file));
hold_locked_index(lock_file, 1);
refresh_cache(REFRESH_QUIET);
@@ -1962,7 +1962,7 @@ static int fast_forward_to(struct tree *head, struct tree
*remote, int reset)
*/
static int clean_index(const unsigned char *head, const unsigned char *remote)
{
- struct lock_file *lock_file = xcalloc(1, sizeof(struct lock_file));
+ struct lock_file *lock_file;
struct tree *head_tree, *remote_tree, *index_tree;
unsigned char index[GIT_SHA1_RAWSZ];
struct pathspec pathspec;
@@ -1992,6 +1992,7 @@ static int clean_index(const unsigned char *head, const
unsigned char *remote)
memset(&pathspec, 0, sizeof(pathspec));
+ lock_file = xcalloc(1, sizeof(struct lock_file));
hold_locked_index(lock_file, 1);
if (read_tree(remote_tree, 0, &pathspec)) {
Thanks,
Paul
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