DeforaNetworks/zzuf
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Fix a buffer overflow in zzcat.

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This commit is contained in:
Sam Hocevar
2010-01-21 01:17:15 +00:00
committed by sam
parent 00b4da4774
commit b9cc488ad5
1 changed files with 2 additions and 2 deletions
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src/zzcat.c
+2 -2
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@@ -268,7 +268,7 @@ static void output(char const *buf, size_t len)
sequence = strchr(sequence, ')') + 1; \
} while(0)
#define ROUNDUP(size) (((size) + 0xfff) & ~0xfff)
#define ROUNDUP(size) (((size) + 0x1000) & ~0xfff)
#define MERGE(address, cnt, off) \
do { \
@@ -276,7 +276,7 @@ static void output(char const *buf, size_t len)
if (_cnt && retoff + _cnt > retlen) \
{ \
retlen = retoff + _cnt; \
if (ROUNDUP(retlen) != ROUNDUP(retlen - _cnt)) \
if (!retbuf || ROUNDUP(retlen) != ROUNDUP(retlen - _cnt)) \
retbuf = realloc(retbuf, ROUNDUP(retlen)); \
} \
if (_cnt > 0) \