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-rw-r--r--src/common/tuklib_mbstr_width.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/common/tuklib_mbstr_width.c b/src/common/tuklib_mbstr_width.c
index 3c38990f..4bbe9647 100644
--- a/src/common/tuklib_mbstr_width.c
+++ b/src/common/tuklib_mbstr_width.c
@@ -50,7 +50,7 @@ tuklib_mbstr_width(const char *str, size_t *bytes)
if (wc_width < 0)
return (size_t)-1;
- width += wc_width;
+ width += (size_t)wc_width;
}
// Require that the string ends in the initial shift state.