diff options
Diffstat (limited to 'sysdeps')
| -rw-r--r-- | sysdeps/generic/fdopendir.c | 33 | ||||
| -rw-r--r-- | sysdeps/unix/fdopendir.c | 38 | ||||
| -rw-r--r-- | sysdeps/unix/opendir.c | 33 |
3 files changed, 91 insertions, 13 deletions
diff --git a/sysdeps/generic/fdopendir.c b/sysdeps/generic/fdopendir.c new file mode 100644 index 0000000..597ccd5 --- /dev/null +++ b/sysdeps/generic/fdopendir.c @@ -0,0 +1,33 @@ +/* Copyright (C) 2005 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library 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. + + The GNU C Library 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 the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <stddef.h> +#include <dirent.h> + + +/* Open a directory stream on FD. */ +DIR * +fdopendir (int fd) +{ + __set_errno (ENOSYS); + return NULL; +} + +stub_warning (fdopendir) +#include <stub-tag.h> diff --git a/sysdeps/unix/fdopendir.c b/sysdeps/unix/fdopendir.c new file mode 100644 index 0000000..fa55a24 --- /dev/null +++ b/sysdeps/unix/fdopendir.c @@ -0,0 +1,38 @@ +/* Copyright (C) 2005 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library 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. + + The GNU C Library 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 the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <dirent.h> +#include <errno.h> +#include <sys/stat.h> + + +DIR * +fdopendir (int fd) +{ + struct stat64 statbuf; + + if (__builtin_expect (__fxstat64 (_STAT_VER, fd, &statbuf), 0) < 0) + return NULL; + if (__builtin_expect (! S_ISDIR (statbuf.st_mode), 0)) + { + __set_errno (ENOTDIR); + return NULL; + } + + return __alloc_dir (fd, &statbuf); +} diff --git a/sysdeps/unix/opendir.c b/sysdeps/unix/opendir.c index 5e03ed9..366670b 100644 --- a/sysdeps/unix/opendir.c +++ b/sysdeps/unix/opendir.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1991-1996,98,2000-2002, 2003 Free Software Foundation, Inc. +/* Copyright (C) 1991-1996,98,2000-2003,2005 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -78,11 +78,7 @@ tryopen_o_directory (void) DIR * __opendir (const char *name) { - DIR *dirp; struct stat64 statbuf; - int fd; - size_t allocation; - int save_errno; if (__builtin_expect (name[0], '\1') == '\0') { @@ -113,7 +109,7 @@ __opendir (const char *name) } } - fd = open_not_cancel_2 (name, O_RDONLY|O_NDELAY|EXTRA_FLAGS|O_LARGEFILE); + int fd = open_not_cancel_2 (name, O_RDONLY|O_NDELAY|EXTRA_FLAGS|O_LARGEFILE); if (__builtin_expect (fd, 0) < 0) return NULL; @@ -129,18 +125,30 @@ __opendir (const char *name) { if (__builtin_expect (! S_ISDIR (statbuf.st_mode), 0)) { - save_errno = ENOTDIR; - goto lose; + __set_errno (ENOTDIR); + lose: + close_not_cancel_no_status (fd); + return NULL; } } + return __alloc_dir (fd, &statbuf); +} +weak_alias (__opendir, opendir) + + +DIR * +internal_function +__alloc_dir (int fd, struct stat64 *statp) +{ if (__builtin_expect (__fcntl (fd, F_SETFD, FD_CLOEXEC), 0) < 0) goto lose; + size_t allocation; #ifdef _STATBUF_ST_BLKSIZE - if (__builtin_expect ((size_t) statbuf.st_blksize >= sizeof (struct dirent64), + if (__builtin_expect ((size_t) statp->st_blksize >= sizeof (struct dirent64), 1)) - allocation = statbuf.st_blksize; + allocation = statp->st_blksize; else #endif allocation = (BUFSIZ < sizeof (struct dirent64) @@ -148,11 +156,11 @@ __opendir (const char *name) const int pad = -sizeof (DIR) % __alignof__ (struct dirent64); - dirp = (DIR *) malloc (sizeof (DIR) + allocation + pad); + DIR *dirp = (DIR *) malloc (sizeof (DIR) + allocation + pad); if (dirp == NULL) lose: { - save_errno = errno; + int save_errno = errno; close_not_cancel_no_status (fd); __set_errno (save_errno); return NULL; @@ -166,4 +174,3 @@ __opendir (const char *name) return dirp; } -weak_alias (__opendir, opendir) |