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diff --git a/3rdParty/LibIDN/src/stringprep.c b/3rdParty/LibIDN/src/stringprep.c
old mode 100644
new mode 100755
index 8ff28e6..19bf0d9
--- a/3rdParty/LibIDN/src/stringprep.c
+++ b/3rdParty/LibIDN/src/stringprep.c
@@ -33,6 +33,7 @@
#include <stdlib.h>
#include <string.h>
+#include <assert.h>
#include "stringprep.h"
@@ -372,7 +373,7 @@ stringprep (char *in,
int rc;
char *utf8 = NULL;
uint32_t *ucs4 = NULL;
- size_t ucs4len, maxucs4len, adducs4len = 50;
+ size_t ucs4len = SIZE_MAX, maxucs4len = SIZE_MAX, adducs4len = 50;
do
{
@@ -380,8 +381,10 @@ stringprep (char *in,
free (ucs4);
ucs4 = stringprep_utf8_to_ucs4 (in, -1, &ucs4len);
- if (ucs4 == NULL)
- return STRINGPREP_ICONV_ERROR;
+ if (ucs4 == NULL) {
+ return STRINGPREP_ICONV_ERROR;
+ }
+ assert(ucs4len != SIZE_MAX);
maxucs4len = ucs4len + adducs4len;
newp = realloc (ucs4, maxucs4len * sizeof (uint32_t));
if (!newp)
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Swift