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authorLeah Neukirchen <leah@vuxu.org>2017-11-11 16:57:52 +0100
committerLeah Neukirchen <leah@vuxu.org>2017-11-11 16:57:52 +0100
commite6239ef35357824308df079bd6df0dc4b202e898 (patch)
tree98fc00310f05521efc5108521c7e5c68e96bd988 /rfc2047.c
parentd46f65d38cd819424bfa053f436409b9cd2b51cd (diff)
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rfc2047: blaze822_decide_rfc2047: ensure enough space for NUL-termination
Closes #76.
Diffstat (limited to 'rfc2047.c')
-rw-r--r--rfc2047.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/rfc2047.c b/rfc2047.c
index f739269..c152922 100644
--- a/rfc2047.c
+++ b/rfc2047.c
@@ -244,7 +244,7 @@ blaze822_decode_rfc2047(char *dst, char *src, size_t dlen, char *tgtenc)
 		b = stop + 2;
 	} while (dlen && (s = strstr(b, "=?")));
 
-	while (*b && dlen > 0) {
+	while (*b && dlen > 1) {
 		*dst++ = *b++;
 		dlen--;
 	}
@@ -263,7 +263,7 @@ nocode:
 		iconv_close(ic);
 	free(srcenc);
 nocodeok:
-	while (*src && dlen) {
+	while (*src && dlen > 1) {
 		*dst++ = *src++;
 		dlen--;
 	}