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-rw-r--r--murmurhash.c23
1 files changed, 22 insertions, 1 deletions
diff --git a/murmurhash.c b/murmurhash.c
index 0c631c4..5a4588e 100644
--- a/murmurhash.c
+++ b/murmurhash.c
@@ -1,7 +1,7 @@
/**
* `murmurhash.h' - murmurhash
*
- * copyright (c) 2014-2022 joseph werle <joseph.werle@gmail.com>
+ * copyright (c) 2014-2025 joseph werle <joseph.werle@gmail.com>
*/
#include <stdlib.h>
@@ -9,6 +9,23 @@
#include <stdint.h>
#include "murmurhash.h"
+#if MURMURHASH_WANTS_HTOLE32
+#define MURMURHASH_HAS_HTOLE32 1
+#ifndef htole32
+static uint32_t htole32 (uint32_t value) {
+#if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
+ value = (
+ ((value & 0xFF000000) >> 24) |
+ ((value & 0x00FF0000) >> 8) |
+ ((value & 0x0000FF00) << 8) |
+ ((value & 0x000000FF) << 24)
+ );
+#endif
+ return value;
+}
+#endif
+#endif
+
uint32_t
murmurhash (const char *key, uint32_t len, uint32_t seed) {
uint32_t c1 = 0xcc9e2d51;
@@ -33,7 +50,11 @@ murmurhash (const char *key, uint32_t len, uint32_t seed) {
// for each 4 byte chunk of `key'
for (i = -l; i != 0; ++i) {
// next 4 byte chunk of `key'
+ #if MURMURHASH_HAS_HTOLE32
+ k = htole32(chunks[i]);
+ #else
k = chunks[i];
+ #endif
// encode next 4 byte chunk of `key'
k *= c1;