更新硬件SDK

sdk/合宙/air780e/csdk/luatos-soc-2022/interface/include/luat_iconv.h

@@ -0,0 +1,61 @@
+/*
+ * Copyright (c) 2022 OpenLuat & AirM2M
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef LUAT_ICONV_H
+#define LUAT_ICONV_H
+
+#include "luat_base.h"
+
+/**
+ * @defgroup luatos_iconv 字符编码转换接口
+ * @{
+ */
+typedef void *luat_iconv_t;
+
+/**
+ * @brief 开启iconv转换流，分配内存
+ * @param to_code 待转换编码
+ * @param from_code 目标编码
+ * @return cionv转换流
+ */
+luat_iconv_t luat_iconv_open (const char *to_code, const char *from_code);
+
+/**
+ * @brief 转换编码格式
+ * @param cd cionv转换流
+ * @param inbuf 输入缓冲区
+ * @param in_bytes_left 输入缓冲区长度
+ * @param outbuf 输出缓冲区
+ * @param out_bytes_left 输出缓冲区长度
+ * @return 0为成功，-1为失败
+ */
+size_t luat_iconv_convert (luat_iconv_t cd, char ** inbuf, size_t * in_bytes_left, char ** outbuf, size_t * out_bytes_left);
+
+/**
+ * @brief 关闭iconv转换流，释放内存
+ * @param cd cionv转换流
+ * @return 1成功，0失败
+ */
+int luat_iconv_close (luat_iconv_t cd);
+
+/**@}*/
+
+#endif