diff options
Diffstat (limited to 'diff-delta.c')
| -rw-r--r-- | diff-delta.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/diff-delta.c b/diff-delta.c index cf5013896..b2ae7b5e6 100644 --- a/diff-delta.c +++ b/diff-delta.c @@ -213,7 +213,7 @@ void *diff_delta(void *from_buf, unsigned long from_size, bdrecord_t *brec; bdfile_t bdf; - if (delta_prepare(from_buf, from_size, &bdf)) + if (!from_size || !to_size || delta_prepare(from_buf, from_size, &bdf)) return NULL; outpos = 0; |