remove const from json parsing return type, remove casting in dereference

Author: zLukas

tests/tools/TestApp/Inc/input.h

@@ -7,6 +7,6 @@
 #ifndef _INPUT_H_
 #define _INPUT_H_
 
-const char *parse_json_to_string(const char *file_name);
+char *parse_json_to_string(const char *file_name);
 
 #endif /* _INPUT_H_ */

tests/tools/TestApp/rx_app.c

@@ -4,8 +4,8 @@
 #include "Inc/input.h"
 #include "Inc/mcm.h"
 
-const char *client_cfg;
-const char *conn_cfg;
+char *client_cfg;
+char *conn_cfg;
 
 int main(int argc, char *argv[]) {
     if (!is_root()) {
@@ -51,10 +51,9 @@ int main(int argc, char *argv[]) {
     mesh_delete_connection(&connection);
     mesh_delete_client(&client);
     printf("[RX] Shutdown completed exiting\n");
-    goto safe_exit;
 
 safe_exit:
-    free((char *)client_cfg);
-    free((char *)conn_cfg);
-    return (err == 0) ? 0 : err;
+    free(client_cfg);
+    free(conn_cfg);
+    return err;
 }

tests/tools/TestApp/src/input.c

@@ -10,7 +10,7 @@
 #include <string.h>
 #include "input.h"
 
-const char *parse_json_to_string(const char *file_name) {
+char *parse_json_to_string(const char *file_name) {
     FILE *input_fp = fopen(file_name, "rb");
     if (input_fp == NULL) {
         perror("Failed to open a file");

tests/tools/TestApp/tx_app.c

@@ -6,8 +6,8 @@
 #include "Inc/input.h"
 #include "Inc/mcm.h"
 
-const char *client_cfg;
-const char *conn_cfg;
+char *client_cfg;
+char *conn_cfg;
 
 int main(int argc, char **argv) {
     if (!is_root()) {
@@ -56,10 +56,9 @@ int main(int argc, char **argv) {
     mesh_delete_connection(&connection);
     mesh_delete_client(&client);
     printf("[TX] Shutdown completed. Exiting\n");
-    goto safe_exit;
 
 safe_exit:
-    free((char *)client_cfg);
-    free((char *)conn_cfg);
-    return (err == 0) ? 0 : err;
+    free(client_cfg);
+    free(conn_cfg);
+    return err;
 }