mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-21 02:10:05 +00:00
dd33e89fb2
1997-04-17 16:55 Ulrich Drepper <drepper@cygnus.com> * misc/libgen.h: Change prototype for of basename to XPG variant. * stdlib/Makefile (routines): Add xpg_basename. * stdlib/basename.c: New file. * string/string.h: Don't declare basename function if basename macro is available. 1997-04-16 17:33 Miles Bader <miles@gnu.ai.mit.edu> * login/utmp_file.c (proc_utmp_eq): Only use ut_id field if valid. 1997-04-15 12:47 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * sysdeps/m68k/fpu/fclrexcpt.c: New file. * sysdeps/m68k/fpu/fenvbits.h: New file. * sysdeps/m68k/fpu/fegetenv.c: New file. * sysdeps/m68k/fpu/fegetround.c: New file. * sysdeps/m68k/fpu/fesetenv.c: New file. * sysdeps/m68k/fpu/fesetround.c: New file. * sysdeps/m68k/fpu/feupdateenv.c: New file. * sysdeps/m68k/fpu/fgetexcptflg.c: New file. * sysdeps/m68k/fpu/fraiseexcpt.c: New file. * sysdeps/m68k/fpu/fsetexcptflg.c: New file. * sysdeps/m68k/fpu/ftestexcept.c: New file. * sysdeps/m68k/fpu/mathbits.h: New file. * sysdeps/m68k/fpu/s_remquo.c: New file. * sysdeps/m68k/fpu/s_remquol.c: New file. * sysdeps/m68k/fpu/s_remquof.c: New file. * sysdeps/libm-ieee754/s_roundl.c: Restore integer bit when mantissa overflows into exponent. Fix priority of >> vs +. * math/libm-test.c (basic_tests): Use the appropriate isnan and isinf function to test the value of the nan function. 1997-04-15 13:40 Ulrich Drepper <drepper@cygnus.com> * sysdeps/libm-i387/s_finite.S: Fix typo. * sysdeps/i386/fpu/__math.h: Add optimized versions of isgreater, isgreaterequal, isless, islessequal, islessgreater, and isunordered.
70 lines
2.0 KiB
C
70 lines
2.0 KiB
C
/* Return basename of given pathname according to the weird XPG specification.
|
|
Copyright (C) 1997 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
|
|
|
|
The GNU C Library 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.
|
|
|
|
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
|
|
Library General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Library General Public
|
|
License along with the GNU C Library; see the file COPYING.LIB. If not,
|
|
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
Boston, MA 02111-1307, USA. */
|
|
|
|
#include <string.h>
|
|
#include <libgen.h>
|
|
|
|
|
|
char *
|
|
__xpg_basename (char *filename)
|
|
{
|
|
char *p;
|
|
|
|
if (filename == NULL || filename[0] == '\0')
|
|
/* We return a pointer to a static string containing ".". */
|
|
p = (char *) ".";
|
|
else
|
|
{
|
|
p = strrchr (filename, '/');
|
|
|
|
if (p == NULL)
|
|
/* There is no slash in the filename. Return the whole string. */
|
|
p = filename;
|
|
else
|
|
{
|
|
if (p[1] == '\0')
|
|
{
|
|
/* We must remove trailing '/'. */
|
|
while (p > filename && p[-1] == '/')
|
|
--p;
|
|
|
|
/* Now we can be in two situations:
|
|
a) the string only contains '/' characters, so we return
|
|
'/'
|
|
b) p points past the last component, but we have to remove
|
|
the trailing slash. */
|
|
if (p > filename)
|
|
{
|
|
*p-- = '\0';
|
|
while (p > filename && p[-1] != '/')
|
|
--p;
|
|
}
|
|
else
|
|
/* The last slash we already found is the right position
|
|
to return. */
|
|
while (p[1] != '\0')
|
|
++p;
|
|
}
|
|
}
|
|
}
|
|
|
|
return p;
|
|
}
|