fix: Fix error as CLI argument without giving key

If we give a CLI argument without key which would be two
dash (`--`) only, TA would open fail.

Therefore, we simply remove the dashes without assigning
keys.

accelerator/config.c

@@ -13,6 +13,8 @@
 #define CONFIG_LOGGER "config"
 
 static logger_id_t logger_id;
+// FIXME: We need further improvements without depending on temporary variables
+static int tmp_argc;
 
 int get_conf_key(char const* const key) {
   for (int i = 0; i < cli_cmd_num; ++i) {
@@ -24,6 +26,19 @@ int get_conf_key(char const* const key) {
   return 0;
 }
 
+static void remove_nonvalue_dash(int argc, char** argv) {
+  for (int i = 1; i < argc; i++) {
+    if ((strlen(argv[i]) == 2) && (!strncmp(argv[i], "--", 2))) {
+      argc--;
+      if (argc == (i + 1)) {
+        break;
+      }
+      memmove(argv + i, argv + (i + 1), (argc - i) * sizeof(char*));
+    }
+  }
+  tmp_argc = argc;
+}
+
 struct option* cli_build_options() {
   struct option* long_options = (struct option*)malloc(cli_cmd_num * sizeof(struct option));
   for (int i = 0; i < cli_cmd_num; ++i) {
@@ -190,6 +205,9 @@ status_t ta_core_file_init(ta_core_t* const core, int argc, char** argv) {
     goto done;
   }
 
+  // remove `--` from argv
+  remove_nonvalue_dash(argc, argv);
+
   // Loop through the CLI arguments for first time to find the configuration file path
   while ((key = getopt_long(argc, argv, "hv", long_options, NULL)) != -1) {
     switch (key) {
@@ -277,7 +295,10 @@ status_t ta_core_cli_init(ta_core_t* const core, int argc, char** argv) {
   status_t ret = SC_OK;
   struct option* long_options = cli_build_options();
 
-  while ((key = getopt_long(argc, argv, "hv", long_options, NULL)) != -1) {
+  // remove `--` from argv
+  remove_nonvalue_dash(tmp_argc, argv);
+
+  while ((key = getopt_long(tmp_argc, argv, "hv", long_options, NULL)) != -1) {
     switch (key) {
       case ':':
         ret = SC_CONF_MISSING_ARGUMENT;