Modify the command struct to have an argv close to what execve ask

src/command.c

@@ -9,33 +9,34 @@ int command_from_str(char *str, cmd_t *cmd) {
   char* next_arg;
   
   //Initialize a simple command (empty, simple, foreground)
-  cmd->command = NULL;
   cmd->argv = NULL;
   cmd->argc = 0;
   cmd->foreground = true;
-
-  // Extract the commmand name
-  cmd->command = strtok(str, DELIMITERS);
-
   
   // Extract the command arguments
   do {
-    // Get the next argument
-    next_arg = strtok(NULL, DELIMITERS);
+
+    if (cmd->argc == 0) {
+      // Extract the commmand name
+      next_arg = strtok(str, DELIMITERS);
+    } else {
+      // Get the next argument
+      next_arg = strtok(NULL, DELIMITERS);
+    }
+    
+    // Extend the cmd->argv array witha new char pointer
+    cmd->argv = realloc(cmd->argv, (cmd->argc+1)*sizeof(char*));
+    if( cmd->argv == NULL) {
+      // In case the reallocation didn't work
+      die_errno("parse_command::realloc");
+    }
+    
+    // Store the argument inside cmd->argv
+    cmd->argv[cmd->argc] = next_arg;
 
     if (next_arg != NULL) {
-      // A new element will be added to cmd->argv
+      // A new non null element will be added to cmd->argv
       cmd->argc += 1;
-
-      // Extend the cmd->argv array witha new char pointer
-      cmd->argv = realloc(cmd->argv, (cmd->argc)*sizeof(char*));
-      if( cmd->argv == NULL) {
-        // In case the reallocation didn't work
-        die_errno("parse_command::realloc");
-      }
-
-      // Store the argument inside cmd->argv
-      cmd->argv[cmd->argc-1] = next_arg;
     }
   } while (next_arg != NULL);
 
@@ -44,8 +45,6 @@ int command_from_str(char *str, cmd_t *cmd) {
 
 // Dispose the commande
 void command_dispose(cmd_t *cmd) {
-  // Free the command name str
-  free(cmd->command);
   // Free all the command arguments str inside argv
   for (int i = 0; i < cmd->argc; ++i) {
     free(cmd->argv[i]);

src/command.h

@@ -16,7 +16,6 @@
 // A full user command
 typedef struct cmd cmd_t;
 struct cmd {
-  char* command;      // The command name
   char** argv;        // The command arguments
   int argc;           // Number of command arguments
   bool foreground;    // Should the command be run in foreground or background (might not be relevant for your TP depending on TP version)

src/interfaces.c

@@ -25,13 +25,13 @@ int interface_ask_user_input(char* user_input) {
 //Print command for debugging
 void interface_print_command(cmd_t* cmd) {
   printf("Command:\n");
-  printf("\t- Name: %s\n", cmd->command);
-  printf("\t- Arguments count: %d\n", cmd->argc);
-  if(cmd->argc == 0)
+  printf("\t- Name: %s\n", cmd->argv[0]);
+  printf("\t- Arguments count: %d\n", cmd->argc - 1);
+  if(cmd->argc == 1)
     printf("\t- No arguments\n");
   else {
     printf("\t- Arguments:\n");
-    for (int i = 0; i < cmd->argc; ++i) {
+    for (int i = 1; i < cmd->argc; ++i) {
       printf("\t\t- %s\n", cmd->argv[i]);
     }
   }