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-rw-r--r--hurd/hurdlookup.c281
1 files changed, 0 insertions, 281 deletions
diff --git a/hurd/hurdlookup.c b/hurd/hurdlookup.c
deleted file mode 100644
index 84cb3d3015..0000000000
--- a/hurd/hurdlookup.c
+++ /dev/null
@@ -1,281 +0,0 @@
-/* Copyright (C) 1992-2017 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, see
- <http://www.gnu.org/licenses/>. */
-
-#include <hurd.h>
-#include <hurd/lookup.h>
-#include <string.h>
-#include <fcntl.h>
-
-
-/* Translate the error from dir_lookup into the error the user sees. */
-static inline error_t
-lookup_error (error_t error)
-{
- switch (error)
- {
- case EOPNOTSUPP:
- case MIG_BAD_ID:
- /* These indicate that the server does not understand dir_lookup
- at all. If it were a directory, it would, by definition. */
- return ENOTDIR;
- default:
- return error;
- }
-}
-
-error_t
-__hurd_file_name_lookup (error_t (*use_init_port)
- (int which, error_t (*operate) (file_t)),
- file_t (*get_dtable_port) (int fd),
- error_t (*lookup)
- (file_t dir, char *name, int flags, mode_t mode,
- retry_type *do_retry, string_t retry_name,
- mach_port_t *result),
- const char *file_name, int flags, mode_t mode,
- file_t *result)
-{
- error_t err;
- enum retry_type doretry;
- char retryname[1024]; /* XXX string_t LOSES! */
- int startport;
-
- error_t lookup_op (mach_port_t startdir)
- {
- return lookup_error ((*lookup) (startdir, file_name, flags, mode,
- &doretry, retryname, result));
- }
-
- if (! lookup)
- lookup = __dir_lookup;
-
- if (file_name[0] == '\0')
- return ENOENT;
-
- startport = (file_name[0] == '/') ? INIT_PORT_CRDIR : INIT_PORT_CWDIR;
- while (file_name[0] == '/')
- file_name++;
-
- if (flags & O_NOFOLLOW) /* See lookup-retry.c about O_NOFOLLOW. */
- flags |= O_NOTRANS;
-
- if (flags & O_DIRECTORY)
- {
- /* The caller wants to require that the file we look up is a directory.
- We can do this without an extra RPC by appending a trailing slash
- to the file name we look up. */
- size_t len = strlen (file_name);
- if (len == 0)
- file_name = "/";
- else if (file_name[len - 1] != '/')
- {
- char *n = alloca (len + 2);
- memcpy (n, file_name, len);
- n[len] = '/';
- n[len + 1] = '\0';
- file_name = n;
- }
- }
-
- err = (*use_init_port) (startport, &lookup_op);
- if (! err)
- err = __hurd_file_name_lookup_retry (use_init_port, get_dtable_port,
- lookup, doretry, retryname,
- flags, mode, result);
-
- return err;
-}
-weak_alias (__hurd_file_name_lookup, hurd_file_name_lookup)
-
-error_t
-__hurd_file_name_split (error_t (*use_init_port)
- (int which, error_t (*operate) (file_t)),
- file_t (*get_dtable_port) (int fd),
- error_t (*lookup)
- (file_t dir, char *name, int flags, mode_t mode,
- retry_type *do_retry, string_t retry_name,
- mach_port_t *result),
- const char *file_name,
- file_t *dir, char **name)
-{
- error_t addref (file_t crdir)
- {
- *dir = crdir;
- return __mach_port_mod_refs (__mach_task_self (),
- crdir, MACH_PORT_RIGHT_SEND, +1);
- }
-
- const char *lastslash = strrchr (file_name, '/');
-
- if (lastslash != NULL)
- {
- if (lastslash == file_name)
- {
- /* "/foobar" => crdir + "foobar". */
- *name = (char *) file_name + 1;
- return (*use_init_port) (INIT_PORT_CRDIR, &addref);
- }
- else
- {
- /* "/dir1/dir2/.../file". */
- char dirname[lastslash - file_name + 1];
- memcpy (dirname, file_name, lastslash - file_name);
- dirname[lastslash - file_name] = '\0';
- *name = (char *) lastslash + 1;
- return
- __hurd_file_name_lookup (use_init_port, get_dtable_port, lookup,
- dirname, 0, 0, dir);
- }
- }
- else if (file_name[0] == '\0')
- return ENOENT;
- else
- {
- /* "foobar" => cwdir + "foobar". */
- *name = (char *) file_name;
- return (*use_init_port) (INIT_PORT_CWDIR, &addref);
- }
-}
-weak_alias (__hurd_file_name_split, hurd_file_name_split)
-
-/* This is the same as hurd_file_name_split, except that it ignores
- trailing slashes (so *NAME is never ""). */
-error_t
-__hurd_directory_name_split (error_t (*use_init_port)
- (int which, error_t (*operate) (file_t)),
- file_t (*get_dtable_port) (int fd),
- error_t (*lookup)
- (file_t dir, char *name, int flags, mode_t mode,
- retry_type *do_retry, string_t retry_name,
- mach_port_t *result),
- const char *file_name,
- file_t *dir, char **name)
-{
- error_t addref (file_t crdir)
- {
- *dir = crdir;
- return __mach_port_mod_refs (__mach_task_self (),
- crdir, MACH_PORT_RIGHT_SEND, +1);
- }
-
- const char *lastslash = strrchr (file_name, '/');
-
- if (lastslash != NULL && lastslash[1] == '\0')
- {
- /* Trailing slash doesn't count. Look back further. */
-
- /* Back up over all trailing slashes. */
- while (lastslash > file_name && *lastslash == '/')
- --lastslash;
-
- /* Find the last one earlier in the string, before the trailing ones. */
- lastslash = __memrchr (file_name, '/', lastslash - file_name);
- }
-
- if (lastslash != NULL)
- {
- if (lastslash == file_name)
- {
- /* "/foobar" => crdir + "foobar". */
- *name = (char *) file_name + 1;
- return (*use_init_port) (INIT_PORT_CRDIR, &addref);
- }
- else
- {
- /* "/dir1/dir2/.../file". */
- char dirname[lastslash - file_name + 1];
- memcpy (dirname, file_name, lastslash - file_name);
- dirname[lastslash - file_name] = '\0';
- *name = (char *) lastslash + 1;
- return
- __hurd_file_name_lookup (use_init_port, get_dtable_port, lookup,
- dirname, 0, 0, dir);
- }
- }
- else if (file_name[0] == '\0')
- return ENOENT;
- else
- {
- /* "foobar" => cwdir + "foobar". */
- *name = (char *) file_name;
- return (*use_init_port) (INIT_PORT_CWDIR, &addref);
- }
-}
-weak_alias (__hurd_directory_name_split, hurd_directory_name_split)
-
-
-file_t
-__file_name_lookup (const char *file_name, int flags, mode_t mode)
-{
- error_t err;
- file_t result;
-
- err = __hurd_file_name_lookup (&_hurd_ports_use, &__getdport, 0,
- file_name, flags, mode & ~_hurd_umask,
- &result);
-
- return err ? (__hurd_fail (err), MACH_PORT_NULL) : result;
-}
-weak_alias (__file_name_lookup, file_name_lookup)
-
-
-file_t
-__file_name_split (const char *file_name, char **name)
-{
- error_t err;
- file_t result;
-
- err = __hurd_file_name_split (&_hurd_ports_use, &__getdport, 0,
- file_name, &result, name);
-
- return err ? (__hurd_fail (err), MACH_PORT_NULL) : result;
-}
-weak_alias (__file_name_split, file_name_split)
-
-file_t
-__directory_name_split (const char *directory_name, char **name)
-{
- error_t err;
- file_t result;
-
- err = __hurd_directory_name_split (&_hurd_ports_use, &__getdport, 0,
- directory_name, &result, name);
-
- return err ? (__hurd_fail (err), MACH_PORT_NULL) : result;
-}
-weak_alias (__directory_name_split, directory_name_split)
-
-
-file_t
-__file_name_lookup_under (file_t startdir,
- const char *file_name, int flags, mode_t mode)
-{
- error_t err;
- file_t result;
-
- 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_file_name_lookup (&use_init_port, &__getdport, 0,
- file_name, flags, mode & ~_hurd_umask,
- &result);
-
- return err ? (__hurd_fail (err), MACH_PORT_NULL) : result;
-}
-weak_alias (__file_name_lookup_under, file_name_lookup_under)
generated by cgit v1.2.3 (git 2.25.1) at 2024-10-25 15:14:09 +0000