887e7ab6c5
2000-12-13 Jakub Jelinek <jakub@redhat.com> * misc/efgcvt.c (FCVT_MAXDIG): Define. (FCVT_BUFPTR): New variable. (fcvt): If fcvt_r returns -1 on the static short buffer, try to malloc a sufficiently large one and retry. (free_mem): New function. * misc/qefgcvt.c (FCVT_MAXDIG): Define. * misc/tst-efgcvt.c (fcvt_tests): Add new test. 2000-12-15 Ulrich Drepper <drepper@redhat.com> * misc/dirname.c (dirname): Fix search for second to last slash. 2000-12-13 Andreas Jaeger <aj@suse.de> * misc/tst-dirname.c (main): Fix typo in test to really use the examples from Unix98. Reported by Michael Kerrisk <mtk16@ext.canterbury.ac.nz>.
56 lines
1.8 KiB
C
56 lines
1.8 KiB
C
/* dirname - return directory part of PATH.
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Copyright (C) 1996, 2000 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include <libgen.h>
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#include <string.h>
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char *
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dirname (char *path)
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{
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static const char dot[] = ".";
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char *last_slash;
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/* Find last '/'. */
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last_slash = path != NULL ? strrchr (path, '/') : NULL;
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if (last_slash != NULL && last_slash != path && last_slash[1] == '\0')
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/* The '/' is the last character, we have to look further. */
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last_slash = __memrchr (path, '/', last_slash - path);
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if (last_slash != NULL)
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{
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/* Terminate the path. */
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if (last_slash == path)
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/* The last slash is the first character in the string. We have to
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return "/". */
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++last_slash;
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last_slash[0] = '\0';
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}
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else
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/* This assignment is ill-designed but the XPG specs require to
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return a string containing "." in any case no directory part is
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found and so a static and constant string is required. */
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path = (char *) dot;
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return path;
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}
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