From: Andre Noll <maan@tuebingen.mpg.de>
Date: Mon, 29 Feb 2016 18:26:09 +0000 (+0100)
Subject: string.c: Alloc space for terminating null wide character.
X-Git-Tag: v0.5.6~53
X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=commitdiff_plain;h=9b8cece0f67b0445dd66a9d2a89b9e69d2540173

string.c: Alloc space for terminating null wide character.

Should not matter since we already know the number of wide characters
and never look past the allocated buffer. But let's be conservative
here and allocate space for the terminating null wide character.
---

diff --git a/string.c b/string.c
index c820bdca..701448e0 100644
--- a/string.c
+++ b/string.c
@@ -1073,7 +1073,7 @@ __must_check int strwidth(const char *s, size_t *result)
 		return -ERRNO_TO_PARA_ERROR(errno);
 	if (num_wchars == 0)
 		return 0;
-	dest = para_malloc(num_wchars * sizeof(*dest));
+	dest = para_malloc((num_wchars + 1) * sizeof(*dest));
 	src = s;
 	memset(&state, 0, sizeof(state));
 	num_wchars = mbsrtowcs(dest, &src, num_wchars, &state);