diff --git a/plugins/vcard.c b/plugins/vcard.c
index b997fc4..a6eb5f5 100644
--- a/plugins/vcard.c
+++ b/plugins/vcard.c
@@ -101,27 +101,41 @@ static void add_slash(char *dest, const char *src, int len_max, int len)
{
int i, j;
- for (i = 0, j = 0; i < len && j < len_max; i++, j++) {
+ for (i = 0, j = 0; i < len && j < len_max - 1; i++, j++) {
+ /* filling dest buffer - last field need to be reserved
+ * for '\0'*/
switch (src[i]) {
case '\n':
+ if (j == len_max - 2)
+ /* not enough space in the buffer to put char
+ * preceded with escaping sequence */
+ goto done;
+
dest[j++] = '\\';
dest[j] = 'n';
break;
case '\r':
+ if (j == len_max - 2)
+ goto done;
+
dest[j++] = '\\';
dest[j] = 'r';
break;
case '\\':
case ';':
case ',':
+ if (j == len_max - 2)
+ goto done;
+
dest[j++] = '\\';
default:
dest[j] = src[i];
break;
}
}
+
+done:
dest[j] = 0;
- return;
}
static void get_escaped_fields(char **fields, ...)
--
1.7.0.4
--
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