//

// mkdirp.c

//

// Copyright (c) 2013 Stephen Mathieson

// MIT licensed

//

#include <unistd.h>

#include <errno.h>

#include <stdlib.h>

#include <string.h>

#include "strdup/strdup.h"

#include "path-normalize/path-normalize.h"

#include "mkdirp.h"

#ifdef _WIN32

#define PATH_SEPARATOR   '\\'

#else

#define PATH_SEPARATOR   '/'

#endif

/*

 * Recursively `mkdir(path, mode)`

 */

int

mkdirp(const char *path, mode_t mode) {

  char *pathname = NULL;

  char *parent = NULL;

  if (NULL == path) return -1;

  pathname = path_normalize(path);

  if (NULL == pathname) goto fail;

  parent = strdup(pathname);

  if (NULL == parent) goto fail;

  char *p = parent + strlen(parent);

  while (PATH_SEPARATOR != *p && p != parent) {

    p--;

  }

  *p = '\0';

  // make parent dir

  if (p != parent && 0 != mkdirp(parent, mode)) goto fail;

  free(parent);

  // make this one if parent has been made

  #ifdef _WIN32

    // http://msdn.microsoft.com/en-us/library/2fkk4dzw.aspx

    int rc = mkdir(pathname);

  #else

    int rc = mkdir(pathname, mode);

  #endif

  free(pathname);

  return 0 == rc || EEXIST == errno

    ? 0

    : -1;

fail:

  free(pathname);

  free(parent);

  return -1;

}