update qcloud sdk

1. iot-hub sdk update to 3.2.0
2. iot-explorer update to 3.1.1

components/connectivity/qcloud-iot-hub-sdk/3rdparty/sdk_src/utils/utils_getopt.c

@@ -0,0 +1,95 @@
+/*
+ * Tencent is pleased to support the open source community by making IoT Hub available.
+ * Copyright (C) 2018-2020 THL A29 Limited, a Tencent company. All rights reserved.
+
+ * Licensed under the MIT License (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License at
+ * http://opensource.org/licenses/MIT
+
+ * 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 "utils_getopt.h"
+
+#include <stdio.h>
+#include <string.h>
+
+#include "qcloud_iot_import.h"
+
+static int utils_opterr = 1;   /* if error message should be printed */
+static int utils_optind = 1;   /* index into parent argv vector */
+static int utils_optopt;       /* character checked for validity */
+static int utils_optreset = 1; /* reset getopt */
+
+char* utils_optarg; /* argument associated with option */
+
+int utils_getopt(int nargc, char* const* nargv, const char* options)
+{
+#define BADCH  (int)'?'
+#define BADARG (int)':'
+#define EMSG   ""
+
+    static char* place = EMSG; /* option letter processing */
+    const char*  oli;          /* option letter list index */
+
+    if (utils_optreset || !*place) { /* update scanning pointer */
+        utils_optreset = 0;
+
+        if (utils_optind >= nargc || *(place = nargv[utils_optind]) != '-') {
+            utils_optind   = 1;
+            utils_optreset = 1;
+            place          = EMSG;
+            return (-1);
+        }
+
+        place++;
+    }
+
+    /* option letter okay? */
+    if ((utils_optopt = (int)*place++) == (int)':' || !(oli = strchr(options, utils_optopt))) {
+        /*
+         * if the user didn't specify '-' as an option,
+         * assume it means -1.
+         */
+        if (utils_optopt == (int)'-')
+            return (-1);
+
+        if (!*place)
+            ++utils_optind;
+
+        if (utils_opterr && *options != ':')
+            HAL_Printf("illegal option - %c\n", utils_optopt);
+
+        return (BADCH);
+    }
+
+    if (*++oli != ':') { /* don't need argument */
+        utils_optarg = NULL;
+        if (!*place)
+            ++utils_optind;
+    } else {
+        /* need an argument */
+        if (*place) { /* no white space */
+            utils_optarg = place;
+        } else if (nargc <= ++utils_optind) { /* no arg */
+            place = EMSG;
+            if (*options == ':')
+                return (BADARG);
+            if (utils_opterr)
+                HAL_Printf("option requires an argument - %c\n", utils_optopt);
+            return (BADCH);
+        } else { /* white space */
+            utils_optarg = nargv[utils_optind];
+        }
+
+        place = EMSG;
+        ++utils_optind;
+    }
+
+    /* dump back option letter */
+    return (utils_optopt);
+}