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authorLeah Neukirchen <leah@vuxu.org>2017-07-30 16:44:16 +0200
committerLeah Neukirchen <leah@vuxu.org>2017-07-30 16:44:16 +0200
commit3b51c5938a82f831c5f734630fdebb165f747ced (patch)
treec0f62ae9e30481e68c3c1085cc8a7a5c7aa9bbd8
parent7fd982d172423a47f7310e250b30987f2ac7ec49 (diff)
downloadmblaze-3b51c5938a82f831c5f734630fdebb165f747ced.tar.gz
rfc2047: blaze822_decode_b64: ensure nul-termination of result
Fixes #70.
-rw-r--r--rfc2047.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/rfc2047.c b/rfc2047.c
index d0bd103..5f5c2f5 100644
--- a/rfc2047.c
+++ b/rfc2047.c
@@ -75,7 +75,7 @@ blaze822_decode_b64(char *s, char *e, char **deco, size_t *decleno)
41,42,43,44, 45,46,47,48, 49,50,51,-1, -1,-1,-1,-1
};
- char *buf = malloc((e - s) / 4 * 3);
+ char *buf = malloc((e - s) / 4 * 3 + 1);
if (!buf)
return 0;
@@ -118,6 +118,8 @@ error:
if (c3 != '=') *buf++ = d2;
}
+ *buf = 0;
+
*decleno = buf - *deco;
return 1;
}