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authorPhillip Wood <phillip.wood@dunelm.org.uk>2022-02-16 10:15:09 (GMT)
committerJunio C Hamano <gitster@pobox.com>2022-02-16 18:58:16 (GMT)
commit43ad3af380702d9e304140f259480de59320e587 (patch)
tree157c8f9dcf5f4dda0d8985430310865116f3143c /xdiff/xmerge.c
parent4a37b80e88f8f26a2f56d77c5ad6caa41d572ea8 (diff)
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xdiff: handle allocation failure when merging
Other users of xdiff such as libgit2 need to be able to handle allocation failures. These allocation failures were previously ignored. Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 'xdiff/xmerge.c')
-rw-r--r--xdiff/xmerge.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/xdiff/xmerge.c b/xdiff/xmerge.c
index d43abe0..af40c88 100644
--- a/xdiff/xmerge.c
+++ b/xdiff/xmerge.c
@@ -708,13 +708,18 @@ int xdl_merge(mmfile_t *orig, mmfile_t *mf1, mmfile_t *mf2,
xdl_build_script(&xe2, &xscr2) < 0)
goto out;
- status = 0;
if (!xscr1) {
result->ptr = xdl_malloc(mf2->size);
+ if (!result->ptr)
+ goto out;
+ status = 0;
memcpy(result->ptr, mf2->ptr, mf2->size);
result->size = mf2->size;
} else if (!xscr2) {
result->ptr = xdl_malloc(mf1->size);
+ if (!result->ptr)
+ goto out;
+ status = 0;
memcpy(result->ptr, mf1->ptr, mf1->size);
result->size = mf1->size;
} else {