commit-slab: sizeof() the right type in xrealloc
When allocating the slab, the code accidentally computed the array
size from s->slab (an elemtype**). The slab is an array of elemtype*,
however, so we should take the size of *s->slab.
Noticed-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Thomas Rast <tr@thomasrast.ch>
Reviewed-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
diff --git a/commit-slab.h b/commit-slab.h
index d068e2d..cc114b5 100644
--- a/commit-slab.h
+++ b/commit-slab.h
@@ -91,7 +91,7 @@
if (s->slab_count <= nth_slab) { \
int i; \
s->slab = xrealloc(s->slab, \
- (nth_slab + 1) * sizeof(s->slab)); \
+ (nth_slab + 1) * sizeof(*s->slab)); \
stat_ ##slabname## realloc++; \
for (i = s->slab_count; i <= nth_slab; i++) \
s->slab[i] = NULL; \