freebsd-dev/contrib/binutils/libiberty/filename_cmp.c
Dimitry Andric 97d40d3d4a Merge ^/vendor/binutils/dist@214571 into contrib/binutils, which brings
us up to version 2.17.50.20070703, at the last GPLv2 commit.

Amongst others, this added upstream support for some FreeBSD-specific
things that we previously had to manually hack in, such as the OSABI
label support, and so on.

There are also quite a number of new files, some for cpu's (e.g. SPU)
that we may or may not be interested in, but those can be cleaned up
later on, if needed.
2010-11-01 19:35:33 +00:00

79 lines
2.1 KiB
C

/* File name comparison routine.
Copyright (C) 2007 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software Foundation,
Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#ifdef HAVE_STRING_H
#include <string.h>
#endif
#include "filenames.h"
#include "safe-ctype.h"
/*
@deftypefn Extension int filename_cmp (const char *@var{s1}, const char *@var{s2})
Return zero if the two file names @var{s1} and @var{s2} are equivalent.
If not equivalent, the returned value is similar to what @code{strcmp}
would return. In other words, it returns a negative value if @var{s1}
is less than @var{s2}, or a positive value if @var{s2} is greater than
@var{s2}.
This function does not normalize file names. As a result, this function
will treat filenames that are spelled differently as different even in
the case when the two filenames point to the same underlying file.
However, it does handle the fact that on DOS-like file systems, forward
and backward slashes are equal.
@end deftypefn
*/
int
filename_cmp (const char *s1, const char *s2)
{
#ifndef HAVE_DOS_BASED_FILE_SYSTEM
return strcmp(s1, s2);
#else
for (;;)
{
int c1 = TOLOWER (*s1);
int c2 = TOLOWER (*s2);
/* On DOS-based file systems, the '/' and the '\' are equivalent. */
if (c1 == '/')
c1 = '\\';
if (c2 == '/')
c2 = '\\';
if (c1 != c2)
return (c1 - c2);
if (c1 == '\0')
return 0;
s1++;
s2++;
}
#endif
}