//

// path-normalize.c

//

// Copyright (c) 2013 Stephen Mathieson

// MIT licensed

//

#include <string.h>

#include "strdup/strdup.h"

#include "path-normalize.h"

/*

 * Normalize the given `path`

 */

char *

path_normalize(const char *path) {

  if (!path) return NULL;

  char *copy = strdup(path);

  if (NULL == copy) return NULL;

  char *ptr = copy;

  for (int i = 0; copy[i]; i++) {

    *ptr++ = path[i];

    if ('/' == path[i]) {

      i++;

      while ('/' == path[i]) i++;

      i--;

    }

  }

  *ptr = '\0';

  return copy;

}