diff options
Diffstat (limited to 'gl/lib/closedir.c')
-rw-r--r-- | gl/lib/closedir.c | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/gl/lib/closedir.c b/gl/lib/closedir.c new file mode 100644 index 0000000..3777e9f --- /dev/null +++ b/gl/lib/closedir.c @@ -0,0 +1,81 @@ +/* Stop reading the entries of a directory. + Copyright (C) 2006-2023 Free Software Foundation, Inc. + + This file is free software: you can redistribute it and/or modify + it under the terms of the GNU Lesser General Public License as + published by the Free Software Foundation; either version 2.1 of the + License, or (at your option) any later version. + + This file is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with this program. If not, see <https://www.gnu.org/licenses/>. */ + +#include <config.h> + +/* Specification. */ +#include <dirent.h> + +#if REPLACE_FCHDIR +# include <unistd.h> +#endif + +#include <stdlib.h> + +#if HAVE_CLOSEDIR + +/* Override closedir(), to keep track of the open file descriptors. + Needed because there is a function dirfd(). */ + +#endif + +#if GNULIB_defined_DIR +# include "dirent-private.h" +#endif + +int +closedir (DIR *dirp) +#undef closedir +{ +#if GNULIB_defined_DIR || REPLACE_FCHDIR || defined __KLIBC__ + int fd = dirfd (dirp); +#endif + int retval; + +#if HAVE_DIRENT_H /* equivalent to HAVE_CLOSEDIR */ + +# if GNULIB_defined_DIR + retval = closedir (dirp->real_dirp); + if (retval >= 0) + free (dirp); +# else + retval = closedir (dirp); +# endif + +# ifdef __KLIBC__ + if (!retval) + _gl_unregister_dirp_fd (fd); +# endif +#else + + if (dirp->current != INVALID_HANDLE_VALUE) + FindClose (dirp->current); + free (dirp); + + retval = 0; + +#endif + +#if GNULIB_defined_DIR + if (retval >= 0) + close (fd); +#elif REPLACE_FCHDIR + if (retval >= 0) + _gl_unregister_fd (fd); +#endif + + return retval; +} |