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tetex-bin  3.0
xstat.h
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00001 /* xstat.h: stat with error checking.
00002 
00003 Copyright (C) 1992, 93, 94 Free Software Foundation, Inc.
00004 
00005 This library is free software; you can redistribute it and/or
00006 modify it under the terms of the GNU Library General Public
00007 License as published by the Free Software Foundation; either
00008 version 2 of the License, or (at your option) any later version.
00009 
00010 This library is distributed in the hope that it will be useful,
00011 but WITHOUT ANY WARRANTY; without even the implied warranty of
00012 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013 Library General Public License for more details.
00014 
00015 You should have received a copy of the GNU Library General Public
00016 License along with this library; if not, write to the Free Software
00017 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
00018 
00019 #ifndef KPATHSEA_XSTAT_H
00020 #define KPATHSEA_XSTAT_H
00021 
00022 #include <kpathsea/c-proto.h>
00023 #include <kpathsea/c-stat.h>
00024 #include <kpathsea/types.h>
00025 
00026 /* Two files are indistinguishable if they are on the same device
00027    and have the same inode.  This checks two stat buffers for that.  Cf.
00028    the `same_file_p' routine in file-p.c, declared in kpathlib.h.  */
00029 #define SAME_FILE_P(s1, s2) \
00030   ((s1).st_ino == (s2).st_ino && (s1).st_dev == (s2).st_dev)
00031 
00032 /* Does stat(2) on PATH, and aborts if the stat fails.  */
00033 extern struct stat xstat P1H(const_string path);
00034 
00035 /* Ditto, for lstat(2) (except that lstat might not exist).  */
00036 #ifdef S_ISLNK
00037 extern struct stat xlstat P1H(const_string path);
00038 #else
00039 #define xlstat xstat
00040 #endif
00041 
00042 #endif /* not KPATHSEA_XSTAT_H */