find_path.c

#include "main.h"
#include "utilities.h"
#include <stdlib.h>

/**
 * find_command_in_path - Find a command in the given path.
 * @path: The search path to look for the command.
 * @command: The command to find.
 *
 * Return: A pointer to the full path of the
 * command if found, or NULL if not found.
 */

char *find_command_in_path(char *path, char *command) {
  char *full_path = NULL;
  char *path_copy = _strdup(path);
  char *token;
  size_t len;

  token = strtok(path_copy, ":");
  while (token != NULL) {
    len = _strlen(token) + 1 + _strlen(command) + 1;
    full_path = (char *)malloc(len);
    if (full_path == NULL) {
      free(path_copy);
      return (NULL);
    }
    _strcpy(full_path, token);
    _strcat(full_path, "/");
    _strcat(full_path, command);
    if (access(full_path, F_OK) == 0) {
      free(path_copy);
      return (full_path);
    }

    free(full_path);
    token = strtok(NULL, ":");
  }

  free(path_copy);

  return (NULL);
}