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authorLukas Fleischer <cgit@cryptocrack.de>2011-04-05 12:35:43 +0400
committerLars Hjemli <hjemli@gmail.com>2011-05-24 00:58:35 +0400
commita0bf375a1a9b74056a913f3687c6f5b42ad4acf6 (patch)
treed8845fbb7fcf73da11f29673081ed2ca31964e2e /parsing.c
parent070e109c1413d28b54eb6123a9fd24ac98897554 (diff)
Avoid null pointer dereference in reencode().
Returning "*txt" if "txt" is a null pointer is a bad thing. Spotted with clang-analyzer. Signed-off-by: Lukas Fleischer <cgit@cryptocrack.de> Signed-off-by: Lars Hjemli <hjemli@gmail.com>
Diffstat (limited to 'parsing.c')
-rw-r--r--parsing.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/parsing.c b/parsing.c
index c9e4350..151c0fe 100644
--- a/parsing.c
+++ b/parsing.c
@@ -103,7 +103,10 @@ const char *reencode(char **txt, const char *src_enc, const char *dst_enc)
{
char *tmp;
- if (!txt || !*txt || !src_enc || !dst_enc)
+ if (!txt)
+ return NULL;
+
+ if (!*txt || !src_enc || !dst_enc)
return *txt;
/* no encoding needed if src_enc equals dst_enc */