From: Patrick Reynolds <patrick.reynolds@github.com>
Date: Sun, 9 Feb 2014 08:24:08 +0000 (-0600)
Subject: fix the leak that happens if krealloc fails
X-Git-Url: http://www.kaiwu.me/postgresql/commit/?a=commitdiff_plain;h=000f0890f716b91d564411baaa1ca7ded38d9816;p=klib.git

fix the leak that happens if krealloc fails
---

diff --git a/khash.h b/khash.h
index 2d910de..20f16b9 100644
--- a/khash.h
+++ b/khash.h
@@ -245,11 +245,11 @@ static const double __ac_HASH_UPPER = 0.77;
 				memset(new_flags, 0xaa, __ac_fsize(new_n_buckets) * sizeof(khint32_t)); \
 				if (h->n_buckets < new_n_buckets) {	/* expand */		\
 					khkey_t *new_keys = (khkey_t*)krealloc((void *)h->keys, new_n_buckets * sizeof(khkey_t)); \
-					if (!new_keys) return -1;							\
+					if (!new_keys) { kfree(new_flags); return -1; }		\
 					h->keys = new_keys;									\
 					if (kh_is_map) {									\
 						khval_t *new_vals = (khval_t*)krealloc((void *)h->vals, new_n_buckets * sizeof(khval_t)); \
-						if (!new_vals) return -1;						\
+						if (!new_vals) { kfree(new_flags); return -1; }	\
 						h->vals = new_vals;								\
 					}													\
 				} /* otherwise shrink */								\