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Avoid null pointer dereference in reencode().

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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>
This commit is contained in:
Lukas Fleischer 2011-04-05 10:35:43 +02:00 committed by Lars Hjemli
parent 070e109c14
commit a0bf375a1a
1 changed files with 4 additions and 1 deletions
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5
parsing.c
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@ -103,7 +103,10 @@ const char *reencode(char **txt, const char *src_enc, const char *dst_enc)
{ {
char *tmp; char *tmp;
if (!txt || !*txt || !src_enc || !dst_enc) if (!txt)
return NULL;
if (!*txt || !src_enc || !dst_enc)
return *txt; return *txt;
/* no encoding needed if src_enc equals dst_enc */ /* no encoding needed if src_enc equals dst_enc */