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-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;
 }