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/*
 * mkdir.c
 *
 * mkdir() wrapper.
 *
 * Copyright 1999-2008 Gentoo Foundation
 * Licensed under the GPL-2
 */

extern int EXTERN_NAME(const char *, mode_t);
static int (*WRAPPER_TRUE_NAME) (const char *, mode_t) = NULL;

int WRAPPER_NAME(const char *pathname, mode_t mode)
{
	struct stat st;
	int result = -1, old_errno = errno;
	char canonic[SB_PATH_MAX];

	if (-1 == canonicalize(pathname, canonic))
		/* Path is too long to canonicalize, do not fail, but just let
		 * the real function handle it (see bug #94630 and #21766). */
		if (ENAMETOOLONG != errno)
			return -1;

	/* XXX: Hack to prevent errors if the directory exist,
	 * and are not writable - we rather return EEXIST rather
	 * than failing */
	if (0 == lstat(canonic, &st)) {
		errno = EEXIST;
		return -1;
	}
	errno = old_errno;

	if FUNCTION_SANDBOX_SAFE("mkdir", pathname) {
		check_dlsym(WRAPPER_TRUE_NAME, WRAPPER_SYMNAME,
			    WRAPPER_SYMVER);
		result = WRAPPER_TRUE_NAME(pathname, mode);
	}

	return result;
}