get_location.c

#include "shell.h"

/**
 * get_location - get the location of the env variable
 * @command: command to get the location.
 * Return: Null
 */
char *get_location(char *command)
{
char *path, *path_copy, *path_token, *file_path;
int command_length, directory_length;
struct stat buffer;
path = getenv("PATH");

if (path)
{
path_copy = strdup(path);
command_length = strlen(command);
path_token = strtok(path_copy, ":");

while (path_token != NULL)
{

directory_length = strlen(path_token);
file_path = malloc(command_length + directory_length + 2);

if (stat(file_path, &buffer) == 0)
{
free(path_copy);
return (file_path);
}
else
{
free(file_path);
path_token = strtok(NULL, ":");
}
}
free(path_copy);

if (stat(command, &buffer) == 0)
{
return (command);
}
return (NULL);
}
return (NULL);
}