1 files changed, 53 insertions, 0 deletions
diff --git a/girepository/cmph/fnv_hash.c b/girepository/cmph/fnv_hash.c
new file mode 100644
index 00000000..aeaca8ff
--- /dev/null
+++ b/girepository/cmph/fnv_hash.c
@@ -0,0 +1,53 @@
+#include "fnv_hash.h"
+#include <stdlib.h>
+
+fnv_state_t *fnv_state_new()
+{
+	fnv_state_t *state = (fnv_state_t *)malloc(sizeof(fnv_state_t));
+	state->hashfunc = CMPH_HASH_FNV;
+	return state;
+}
+
+void fnv_state_destroy(fnv_state_t *state)
+{
+	free(state);
+}
+
+cmph_uint32 fnv_hash(fnv_state_t *state, const char *k, cmph_uint32 keylen)
+{
+	const unsigned char *bp = (const unsigned char *)k;	
+	const unsigned char *be = bp + keylen;	
+	static unsigned int hval = 0;	
+
+	while (bp < be) 
+	{
+		
+		//hval *= 0x01000193; good for non-gcc compiler
+		hval += (hval << 1) + (hval << 4) + (hval << 7) + (hval << 8) + (hval << 24); //good for gcc
+
+		hval ^= *bp++;
+	}
+	return hval;
+}
+
+
+void fnv_state_dump(fnv_state_t *state, char **buf, cmph_uint32 *buflen)
+{
+	*buf = NULL;
+	*buflen = 0;
+	return;
+}
+
+fnv_state_t * fnv_state_copy(fnv_state_t *src_state)
+{
+	fnv_state_t *dest_state = (fnv_state_t *)malloc(sizeof(fnv_state_t));
+	dest_state->hashfunc = src_state->hashfunc;
+	return dest_state;
+}
+
+fnv_state_t *fnv_state_load(const char *buf, cmph_uint32 buflen)
+{
+	fnv_state_t *state = (fnv_state_t *)malloc(sizeof(fnv_state_t));
+	state->hashfunc = CMPH_HASH_FNV;
+	return state;
+}