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-rw-r--r--src/string.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/src/string.c b/src/string.c
index 0cb9eaf83..4e8bd7835 100644
--- a/src/string.c
+++ b/src/string.c
@@ -1752,13 +1752,13 @@ mrb_str_hash(mrb_state *mrb, mrb_value str)
struct RString *s = mrb_str_ptr(str);
mrb_int len = RSTR_LEN(s);
char *p = RSTR_PTR(s);
- uint64_t key = 0;
+ uint32_t key = 0;
while (len--) {
- key = key*65599 + *p;
+ key = (key << 6) + (key << 16) - key + *p;
p++;
}
- return (uint32_t)(key + (key>>5));
+ return key + (key>>5);
}
/* 15.2.10.5.20 */