From dd33e89fb2693e88ba64e6b947184c5abf70ff00 Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Thu, 17 Apr 1997 15:10:04 +0000 Subject: Update. 1997-04-17 16:55 Ulrich Drepper * 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 * login/utmp_file.c (proc_utmp_eq): Only use ut_id field if valid. 1997-04-15 12:47 Andreas Schwab * 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 * sysdeps/libm-i387/s_finite.S: Fix typo. * sysdeps/i386/fpu/__math.h: Add optimized versions of isgreater, isgreaterequal, isless, islessequal, islessgreater, and isunordered. --- stdlib/xpg_basename.c | 69 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 69 insertions(+) create mode 100644 stdlib/xpg_basename.c (limited to 'stdlib/xpg_basename.c') diff --git a/stdlib/xpg_basename.c b/stdlib/xpg_basename.c new file mode 100644 index 0000000000..b789bc9a1a --- /dev/null +++ b/stdlib/xpg_basename.c @@ -0,0 +1,69 @@ +/* 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 , 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 +#include + + +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; +} -- cgit v1.2.3