Import Mbed OS hard-float snapshot

connectivity/nanostack/sal-stack-nanostack/source/Service_Libs/fnv_hash/fnv_hash.c

@@ -0,0 +1,49 @@
+/*
+ * Copyright (c) 2016-2017, Arm Limited and affiliates.
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "nsconfig.h"
+#include "fnv_hash.h"
+
+#if 0
+uint32_t fnv_hash_1a_32_block(const uint8_t *data, uint16_t len)
+{
+    return fnv_hash_1a_32_block_update(UINT32_C(0x811c9dc5), data, len);
+}
+
+uint32_t fnv_hash_1a_32_block_update(uint32_t hash, const uint8_t *data, uint16_t len)
+{
+    for (; len; --len) {
+        hash ^= *data++;
+        hash *= UINT32_C(0x01000193);
+    }
+    return hash;
+}
+#endif
+
+uint32_t fnv_hash_1a_32_reverse_block(const uint8_t *data, uint16_t len)
+{
+    return fnv_hash_1a_32_reverse_block_update(UINT32_C(0x811c9dc5), data, len);
+}
+
+uint32_t fnv_hash_1a_32_reverse_block_update(uint32_t hash, const uint8_t *data, uint16_t len)
+{
+    for (data += len; len; --len) {
+        hash ^= *--data;
+        hash *= UINT32_C(0x01000193);
+    }
+    return hash;
+}

connectivity/nanostack/sal-stack-nanostack/source/Service_Libs/fnv_hash/fnv_hash.h

@@ -0,0 +1,31 @@
+/*
+ * Copyright (c) 2016-2017, Arm Limited and affiliates.
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef FNV_HASH_H_
+#define FNV_HASH_H_
+
+#include "ns_types.h"
+
+#if 0 /* Not currently needed */
+uint32_t fnv_hash_1a_32_block(const uint8_t *data, uint16_t len);
+uint32_t fnv_hash_1a_32_block_update(uint32_t hash, const uint8_t *data, uint16_t len);
+#endif
+
+uint32_t fnv_hash_1a_32_reverse_block(const uint8_t *data, uint16_t len);
+uint32_t fnv_hash_1a_32_reverse_block_update(uint32_t hash, const uint8_t *data, uint16_t len);
+
+#endif /* FNV_HASH_H_ */