diff options
Diffstat (limited to 'src/3rdparty/zlib/src/inflate.c')
-rw-r--r-- | src/3rdparty/zlib/src/inflate.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/3rdparty/zlib/src/inflate.c b/src/3rdparty/zlib/src/inflate.c index 7be8c63662..7a72897492 100644 --- a/src/3rdparty/zlib/src/inflate.c +++ b/src/3rdparty/zlib/src/inflate.c @@ -763,9 +763,10 @@ int flush; copy = state->length; if (copy > have) copy = have; if (copy) { + len = state->head->extra_len - state->length; if (state->head != Z_NULL && - state->head->extra != Z_NULL) { - len = state->head->extra_len - state->length; + state->head->extra != Z_NULL && + len < state->head->extra_max) { zmemcpy(state->head->extra + len, next, len + copy > state->head->extra_max ? state->head->extra_max - len : copy); |