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-rw-r--r--hash.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/hash.c b/hash.c
index 627f207..1bbb6b1 100644
--- a/hash.c
+++ b/hash.c
@@ -193,8 +193,16 @@ any_hash(VALUE a, st_index_t (*other_func)(VALUE))
hnum = other_func(a);
}
out:
+#if SIZEOF_LONG < SIZEOF_ST_INDEX_T
+ if (hnum > 0)
+ hnum &= (unsigned long)-1 >> 2;
+ else
+ hnum |= ~((unsigned long)-1 >> 2);
+#else
hnum <<= 1;
- return (long)RSHIFT(hnum, 1);
+ hnum = RSHIFT(hnum, 1);
+#endif
+ return (long)hnum;
}
static st_index_t