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authorKarsten Keil2008-09-03 20:57:00 +0200
committerKarsten Keil2008-09-03 20:57:00 +0200
commit7740a62116d9e3ab50082149ae998ffa77b76298 (patch)
treec556c7c41d7b9a4fc1f95d499f3a4dca1889368a /macro.h
parentFix lot of warnings (diff)
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Fix possible bufferoverflows
strncat(dest,src,n) The size of dest must be at least strlen(dest)+n+1. Signed-off-by: Karsten Keil <kkeil@suse.de>
Diffstat (limited to 'macro.h')
-rw-r--r--macro.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/macro.h b/macro.h
index fb070ba..29b2794 100644
--- a/macro.h
+++ b/macro.h
@@ -22,7 +22,7 @@ static inline void scpy(char *dst, const char *src, unsigned int siz)
/* safe strcat/strncat */
-#define SCAT(dst, src) scat(dst, src, sizeof(dst))
+#define SCAT(dst, src) scat(dst, src, sizeof(dst)-strlen(dst)-1)
static inline void scat(char *dst, const char *src, unsigned int siz)
{
strncat(dst, src, siz);