RDKEMW-11023: fix the copilot static code analysis issues

iarm_query_powerstate/IARM_Bus_CheckPowerStatus.c

@@ -1,6 +1,6 @@
 /*
  * If not stated otherwise in this file or this component's LICENSE file the
  * following copyright and licenses apply:
  *
  * Copyright 2016 RDK Management
  *
@@ -81,7 +81,7 @@
     int ret = 0;
 
     if (argc > 1) {
-        if (argv[1][1] == 'c') {
+        if (argv[1] && strlen(argv[1]) > 1 && argv[1][1] == 'c') {
             uint32_t res = 0;
             PowerController_PowerState_t curState = POWER_STATE_UNKNOWN, previousState = POWER_STATE_UNKNOWN;
 
@@ -126,8 +126,12 @@
         memset(&pwrSettings, 0, sizeof(PWRMgr_Settings_t));
 
         if (fd > 0) {
-            lseek(fd, 0, SEEK_SET);
-            ret = read(fd, &pwrSettings, (sizeof(PWRMgr_Settings_t) - PADDING_SIZE));
+            off_t seek_result = lseek(fd, 0, SEEK_SET);
+            if (seek_result < 0) {
+                printf("Error in seeking PWRMgr settings File");
+            } else {
+                ret = read(fd, &pwrSettings, (sizeof(PWRMgr_Settings_t) - PADDING_SIZE));
+            }
 
             close(fd);
         }

iarm_set_powerstate/IARM_BUS_SetPowerStatus.c

@@ -84,7 +84,7 @@ typedef struct {
 static void* asyncThreadMain(void* arg)
 {
     Controller* controller = (Controller*)arg;
-    usleep((controller->ack - 0.05) * 1000000); // Ack delay minus 50ms
+    usleep(controller->ack * 1000000 - 50000); // Ack delay minus 50ms
     PowerController_PowerModePreChangeComplete(controller->clientId, controller->transactionId);
     return NULL;
 }

key_simulator/IARM_BUS_UIEventSimulator.c

@@ -1,6 +1,6 @@
 /*
  * If not stated otherwise in this file or this component's LICENSE file the
  * following copyright and licenses apply:
  *
  * Copyright 2016 RDK Management
  *
@@ -230,8 +230,12 @@
 	printf("Sending Key (%x, %x) from %s\r\n", keyType, keyCode, executableName);
         printf("%d:%s: Using UINPUT dipatcher", __LINE__, __func__);
         uinput_dispatcher_t dispatcher = UINPUT_GetDispatcher();
-        /*Time being replacing scan code with 0 to run the functionality*/
-        dispatcher( keyCode, keyType, 0);
+        if (dispatcher != NULL) {
+            /*Time being replacing scan code with 0 to run the functionality*/
+            dispatcher( keyCode, keyType, 0);
+        } else {
+            printf("%d:%s: Error: UINPUT dispatcher not available\n", __LINE__, __func__ );
+        }
 }
 
 /**