1 files changed, 37 insertions, 0 deletions
diff --git a/qcom/qrtr/src/hash.c b/qcom/qrtr/src/hash.c
new file mode 100644
index 0000000..ecfbc0a
--- /dev/null
+++ b/qcom/qrtr/src/hash.c
@@ -0,0 +1,37 @@
+#include <string.h>
+#include "hash.h"
+
+unsigned int hash_mem(const void *data, unsigned int len)
+{
+	unsigned int h;
+	unsigned int i;
+
+	h = len;
+
+	for (i = 0; i < len; ++i)
+		h = ((h >> 27) ^ (h << 5)) ^ ((const unsigned char *)data)[i];
+
+	return h;
+}
+
+unsigned int hash_string(const char *value)
+{
+	return hash_mem(value, strlen(value));
+}
+
+unsigned int hash_u32(uint32_t value)
+{
+	return value * 2654435761UL;
+}
+
+unsigned int hash_u64(uint64_t value)
+{
+	return hash_u32(value & 0xffffffff) ^ hash_u32(value >> 32);
+}
+
+unsigned int hash_pointer(void *value)
+{
+	if (sizeof(value) == sizeof(uint64_t))
+		return hash_u64((long)value);
+	return hash_u32((long)value);
+}