更新硬件SDK

sdk/合宙/air780e/csdk/luatos-soc-2022/thirdparty/nanopb/pb_util.c

@@ -0,0 +1,80 @@
+/* Copyright (C) 2018 RDA Technologies Limited and/or its affiliates("RDA").
+ * All rights reserved.
+ *
+ * This software is supplied "AS IS" without any warranties.
+ * RDA assumes no responsibility or liability for the use of the software,
+ * conveys no license or title under any patent, copyright, or mask work
+ * right to the product. RDA reserves the right to make changes in the
+ * software without notification.  RDA also make no representation or
+ * warranty that such application will be suitable for the specified use
+ * without further testing or modification.
+ */
+
+#include "pb_util.h"
+#include "pb_decode.h"
+#include "pb_encode.h"
+#include <stdlib.h>
+
+bool pbDecStringCallback(pb_istream_t *stream, const pb_field_t *field, void **arg)
+{
+    pbStringDecodeParam_t *param = (pbStringDecodeParam_t *)*arg;
+
+    if (stream->bytes_left > param->cnt)
+        return false;
+    if (!pb_read(stream, param->data, stream->bytes_left))
+        return false;
+    return true;
+}
+
+bool pbEncStringCallback(pb_ostream_t *stream, const pb_field_t *field, void *const *arg)
+{
+    const pbStringEncodeParam_t *param = (const pbStringEncodeParam_t *)*arg;
+
+    if (!pb_encode_tag_for_field(stream, field))
+        return false;
+    return pb_encode_string(stream, param->data, param->cnt);
+}
+
+bool pbEncArrayCallback(pb_ostream_t *stream, const pb_field_t *field, void *const *arg)
+{
+    const pbArrayEncodeParam_t *param = (const pbArrayEncodeParam_t *)*arg;
+    for (int idx = 0; idx < param->cnt; idx++)
+    {
+        if (!pb_encode_tag_for_field(stream, field))
+            return false;
+        if (!param->encode(stream, param, idx))
+            return false;
+    }
+    return true;
+}
+
+bool pbDecArrayCallback(pb_istream_t *stream, const pb_field_t *field, void **arg)
+{
+    pbArrayDecodeParam_t *param = (pbArrayDecodeParam_t *)*arg;
+
+    if (param->idx >= param->cnt)
+        return false;
+    if (!param->decode(stream, param))
+        return false;
+    param->idx++;
+    return true;
+}
+
+int pbEncodeToMem(const pb_field_t *fields, void *pbs, void *buf, size_t size)
+{
+    size_t strm_size;
+    if (!pb_get_encoded_size(&strm_size, fields, pbs))
+        return -1;
+
+    if (buf == NULL)
+        return strm_size;
+
+    if (size < strm_size)
+        return -1;
+
+    pb_ostream_t ostrm = pb_ostream_from_buffer(buf, strm_size);
+    if (!pb_encode(&ostrm, fields, pbs))
+        return -1;
+
+    return ostrm.bytes_written;
+}