author | Lukas Fleischer <cgit@cryptocrack.de> | 2011-04-05 08:35:43 (UTC) |
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committer | Lars Hjemli <hjemli@gmail.com> | 2011-05-23 20:58:35 (UTC) |
commit | a0bf375a1a9b74056a913f3687c6f5b42ad4acf6 (patch) (side-by-side diff) | |
tree | d8845fbb7fcf73da11f29673081ed2ca31964e2e | |
parent | 070e109c1413d28b54eb6123a9fd24ac98897554 (diff) | |
download | cgit-a0bf375a1a9b74056a913f3687c6f5b42ad4acf6.zip cgit-a0bf375a1a9b74056a913f3687c6f5b42ad4acf6.tar.gz cgit-a0bf375a1a9b74056a913f3687c6f5b42ad4acf6.tar.bz2 |
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>
-rw-r--r-- | parsing.c | 5 |
1 files changed, 4 insertions, 1 deletions
@@ -94,25 +94,28 @@ char *parse_user(char *t, char **name, char **email, unsigned long *date) p++; } return p; } #ifdef NO_ICONV #define reencode(a, b, c) #else 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 */ if(!strcasecmp(src_enc, dst_enc)) return *txt; tmp = reencode_string(*txt, dst_enc, src_enc); if (tmp) { free(*txt); *txt = tmp; } return *txt; |