simple_shell/execute_command.c at main · lepc1972/simple_shell · GitHub

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#include "shell.h"
/**
 * execute_command - Function that execute all commands.
 *
 * @arguments: args to be read;
 * @argv: values;
 * @count: error counter;
 * @line: free like a butterfly;
 * Return: Always 0.
 */

int execute_command(char **arguments, char *argv[], int count, char *line)
{
	int i, status, flag;
	pid_t child_process;
	char str_cocat[100] = "/bin/";

	flag = isatty(STDIN_FILENO);
	if (!arguments[0])
		return (0);
	_strcat(str_cocat, arguments[0]);
	if (_strcmp(arguments[0], "exit") == 0)
	{
		free(arguments);
		free(line);
		exit(EXIT_SUCCESS);
	}
	else if (_strcmp(arguments[0], "env") == 0)
	{
		for (i = 0; environ[i] != NULL; i++)
			_printf("%s\n", environ[i]);
	}
	else if (access(arguments[0], F_OK) != -1)
	{
		child_process = fork();
		if (child_process == 0)
			execve(arguments[0], arguments, environ);
		wait(&status);
	}
	else if (access(str_cocat, F_OK) != -1)
	{
		child_process = fork();
		if (child_process == 0)
			execve(str_cocat, arguments, environ);
		wait(&status);
	}
	else if (flag == 1)
		_printf("%s: %i: %s: not found\n", argv[0], count, arguments[0]);
	else
		_printf("%s: %i: %s: not found\n", argv[0], count, arguments[0]);
	return (0);
}