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-rw-r--r--string.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/string.c b/string.c
index 3e677c4a9e3..2e1147adb36 100644
--- a/string.c
+++ b/string.c
@@ -1494,10 +1494,9 @@ zero_filled(const char *s, int n)
static const char *
str_null_char(const char *s, long len, const int minlen, rb_encoding *enc)
{
- int n;
const char *e = s + len;
- for (; s + minlen <= e; s += n) {
+ for (; s + minlen <= e; s += rb_enc_mbclen(s, e, enc)) {
if (zero_filled(s, minlen)) return s;
}
return 0;