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author | Roland McGrath <roland@gnu.org> | 2006-03-06 07:59:23 +0000 |
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committer | Roland McGrath <roland@gnu.org> | 2006-03-06 07:59:23 +0000 |
commit | 16a10468376803c5e48ac9c14cfa1a1dd2f7ec8f (patch) | |
tree | 2e014adc76adfee74ff4580a1568017f6eae9299 /hurd/lookup-at.c | |
parent | 7d013a64de1cada889f3db5da793a7b965e87ac1 (diff) | |
download | glibc-16a10468376803c5e48ac9c14cfa1a1dd2f7ec8f.zip glibc-16a10468376803c5e48ac9c14cfa1a1dd2f7ec8f.tar.gz glibc-16a10468376803c5e48ac9c14cfa1a1dd2f7ec8f.tar.bz2 |
* sysdeps/mach/hurd/faccessat.c: New file.
* sysdeps/mach/hurd/fchmodat.c: New file.
* sysdeps/mach/hurd/fchownat.c: New file.
* sysdeps/mach/hurd/fxstatat.c: New file.
* sysdeps/mach/hurd/fxstatat64.c: New file.
* sysdeps/mach/hurd/linkat.c: New file.
* sysdeps/mach/hurd/mkdirat.c: New file.
* sysdeps/mach/hurd/openat.c: New file.
* sysdeps/mach/hurd/openat64.c: New file.
* sysdeps/mach/hurd/symlinkat.c: New file.
* sysdeps/mach/hurd/unlinkat.c: New file.
* sysdeps/mach/hurd/xmknod.c (__xmknod): Just call __xmknodat.
Guts move to ...
* sysdeps/mach/hurd/xmknodat.c: ... here, new file.
* hurd/lookup-at.c: New file.
* hurd/Makefile (routines): Add it.
* hurd/hurd/fd.h: Declare __file_name_lookup_at,
__file_name_split_at and __directory_name_split_at.
* hurd/hurd/lookup.h: Declare {,__}hurd_directory_name_split.
* hurd/hurdlookup.c (__hurd_directory_name_split): Use __memrchr
unconditionally.
* sysdeps/mach/hurd/open.c: Define {,__,__libc_,}open64 as aliases.
* sysdeps/mach/hurd/open64.c: New file.
Diffstat (limited to 'hurd/lookup-at.c')
-rw-r--r-- | hurd/lookup-at.c | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/hurd/lookup-at.c b/hurd/lookup-at.c new file mode 100644 index 0000000..a2d50cb --- /dev/null +++ b/hurd/lookup-at.c @@ -0,0 +1,110 @@ +/* Lookup helper function for Hurd implementation of *at functions. + Copyright (C) 2006 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 <hurd.h> +#include <hurd/lookup.h> +#include <hurd/fd.h> +#include <string.h> +#include <fcntl.h> + +file_t +__file_name_lookup_at (int fd, int at_flags, + const char *file_name, int flags, mode_t mode) +{ + error_t err; + file_t result; + + flags |= (at_flags & AT_SYMLINK_NOFOLLOW) ? O_NOLINK : 0; + at_flags &= ~AT_SYMLINK_NOFOLLOW; + if (at_flags != 0) + return __hurd_fail (EINVAL); + + if (fd == AT_FDCWD || file_name[0] == '/') + return __file_name_lookup (file_name, flags, mode); + + file_t startdir; + error_t use_init_port (int which, error_t (*operate) (mach_port_t)) + { + return (which == INIT_PORT_CWDIR ? (*operate) (startdir) : + _hurd_ports_use (which, operate)); + } + + err = HURD_DPORT_USE (fd, (startdir = port, + __hurd_file_name_lookup (&use_init_port, + &__getdport, NULL, + file_name, + flags, + mode & ~_hurd_umask, + &result))); + + return err ? (__hurd_dfail (fd, err), MACH_PORT_NULL) : result; +} + +file_t +__file_name_split_at (int fd, const char *file_name, char **name) +{ + error_t err; + file_t result; + + if (fd == AT_FDCWD || file_name[0] == '/') + return __file_name_split (file_name, name); + + err = __hurd_file_name_split (&_hurd_ports_use, &__getdport, 0, + file_name, &result, name); + + file_t startdir; + error_t use_init_port (int which, error_t (*operate) (mach_port_t)) + { + return (which == INIT_PORT_CWDIR ? (*operate) (startdir) : + _hurd_ports_use (which, operate)); + } + + err = HURD_DPORT_USE (fd, (startdir = port, + __hurd_file_name_split (&use_init_port, + &__getdport, 0, + file_name, + &result, name))); + + return err ? (__hurd_dfail (fd, err), MACH_PORT_NULL) : result; +} + +file_t +__directory_name_split_at (int fd, const char *directory_name, char **name) +{ + error_t err; + file_t result; + + if (fd == AT_FDCWD || directory_name[0] == '/') + return __directory_name_split (directory_name, name); + + file_t startdir; + error_t use_init_port (int which, error_t (*operate) (mach_port_t)) + { + return (which == INIT_PORT_CWDIR ? (*operate) (startdir) : + _hurd_ports_use (which, operate)); + } + + err = HURD_DPORT_USE (fd, (startdir = port, + __hurd_directory_name_split (&use_init_port, + &__getdport, 0, + directory_name, + &result, name))); + + return err ? (__hurd_dfail (fd, err), MACH_PORT_NULL) : result; +} |