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Diffstat (limited to 'contrib/binutils/libiberty/fdmatch.c')
-rw-r--r-- | contrib/binutils/libiberty/fdmatch.c | 67 |
1 files changed, 0 insertions, 67 deletions
diff --git a/contrib/binutils/libiberty/fdmatch.c b/contrib/binutils/libiberty/fdmatch.c deleted file mode 100644 index 979c214..0000000 --- a/contrib/binutils/libiberty/fdmatch.c +++ /dev/null @@ -1,67 +0,0 @@ -/* Compare two open file descriptors to see if they refer to the same file. - Copyright (C) 1991 Free Software Foundation, Inc. - -This file is part of the libiberty library. -Libiberty is free software; you can redistribute it and/or -modify it under the terms of the GNU Library General Public -License as published by the Free Software Foundation; either -version 2 of the License, or (at your option) any later version. - -Libiberty 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 -Library General Public License for more details. - -You should have received a copy of the GNU Library General Public -License along with libiberty; see the file COPYING.LIB. If -not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, -Boston, MA 02111-1307, USA. */ - - -/* - -@deftypefn Extension int fdmatch (int @var{fd1}, int @var{fd2}) - -Check to see if two open file descriptors refer to the same file. -This is useful, for example, when we have an open file descriptor for -an unnamed file, and the name of a file that we believe to correspond -to that fd. This can happen when we are exec'd with an already open -file (@code{stdout} for example) or from the SVR4 @file{/proc} calls -that return open file descriptors for mapped address spaces. All we -have to do is open the file by name and check the two file descriptors -for a match, which is done by comparing major and minor device numbers -and inode numbers. - -@end deftypefn - -BUGS - - (FIXME: does this work for networks?) - It works for NFS, which assigns a device number to each mount. - -*/ - -#include "ansidecl.h" -#include "libiberty.h" -#include <sys/types.h> -#include <sys/stat.h> - -int fdmatch (fd1, fd2) - int fd1; - int fd2; -{ - struct stat sbuf1; - struct stat sbuf2; - - if ((fstat (fd1, &sbuf1) == 0) && - (fstat (fd2, &sbuf2) == 0) && - (sbuf1.st_dev == sbuf2.st_dev) && - (sbuf1.st_ino == sbuf2.st_ino)) - { - return (1); - } - else - { - return (0); - } -} |