X-Git-Url: https://diplodocus.org/git/nmh/blobdiff_plain/c61294eca5edf4f245c2d8818bf53d3bdc3d80c1..2adafe760a9c45b417727a3f5d9481de26471a8b:/sbr/charstring.c

diff --git a/sbr/charstring.c b/sbr/charstring.c
index 76d9fa2a..cc2e907e 100644
--- a/sbr/charstring.c
+++ b/sbr/charstring.c
@@ -166,8 +166,9 @@ charstring_last_char_len (const charstring_t s) {
     while (*sp  &&  remaining > 0) {
         wchar_t wide_char;
 
-        len = mbtowc (&wide_char, sp,
-                      MB_CUR_MAX < remaining ? MB_CUR_MAX : remaining);
+        len = mbtowc (&wide_char, sp, (size_t) MB_CUR_MAX < remaining
+                                          ? (size_t) MB_CUR_MAX
+                                          : remaining);
         sp += len > 0 ? len : 1;
         remaining -= len > 0 ? len : 1;
     }