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glibc  2.9
pathconf.c
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00001 /* Copyright (C) 1991, 1992, 1994, 1995, 1997 Free Software Foundation, Inc.
00002    This file is part of the GNU C Library.
00003 
00004    The GNU C Library is free software; you can redistribute it and/or
00005    modify it under the terms of the GNU Lesser General Public
00006    License as published by the Free Software Foundation; either
00007    version 2.1 of the License, or (at your option) any later version.
00008 
00009    The GNU C Library is distributed in the hope that it will be useful,
00010    but WITHOUT ANY WARRANTY; without even the implied warranty of
00011    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012    Lesser General Public License for more details.
00013 
00014    You should have received a copy of the GNU Lesser General Public
00015    License along with the GNU C Library; if not, write to the Free
00016    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
00017    02111-1307 USA.  */
00018 
00019 #include <errno.h>
00020 #include <stddef.h>
00021 #include <sys/stat.h>
00022 #include <hurd.h>
00023 #include <hurd/fd.h>
00024 
00025 /* Get file-specific information about FILE.  */
00026 long int
00027 __pathconf (const char *file, int name)
00028 {
00029   error_t err;
00030   int value;                /* RPC returns an `int', not a `long int'.  */
00031   file_t port = __file_name_lookup (file, 0, 0);
00032   if (port == MACH_PORT_NULL)
00033     return -1L;
00034   err = __io_pathconf (port, name, &value);
00035   __mach_port_deallocate (__mach_task_self (), port);
00036   if (err)
00037     return __hurd_fail (err), -1L;
00038   return value;
00039 }
00040 
00041 weak_alias (__pathconf, pathconf)