shadow/libmisc/basename.c

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/*
* Copyright (c) 1990 - 1994, Julianne Frances Haugh
* Copyright (c) 1996 - 1997, Marek Michałkiewicz
* Copyright (c) 2003 - 2005, Tomasz Kłoczko
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the copyright holders or contributors may not be used to
* endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* basename.c - not worth copyrighting :-). Some versions of Linux libc
* already have basename(), other versions don't. To avoid confusion,
* we will not use the function from libc and use a different name here.
* --marekm
*/
#include <config.h>
#ident "$Id$"
#include "defines.h"
#include "prototypes.h"
/*@observer@*/const char *Basename (const char *str)
{
char *cp = strrchr (str, '/');
* libmisc/limits.c: Avoid implicit conversion of integer to boolean. * libmisc/basename.c: Avoid implicit conversion of pointer to boolean. * libmisc/basename.c, lib/prototypes.h (Basename): Return a constant string. * libmisc/basename.c, libmisc/obscure.c, lib/prototypes.h, libmisc/xmalloc.c, libmisc/getdate.h, libmisc/system.c, libmisc/getgr_nam_gid.c, libmisc/failure.c, libmisc/valid.c: Add splint annotations. * libmisc/chowndir.c: Avoid memory leak. * libmisc/chowndir.c: Do not check *printf/*puts return value. * libmisc/chowntty.c: Avoid implicit conversion between integer types. * libmisc/obscure.c: Return a bool when possible instead of int. * libmisc/shell.c: Do not check *printf/*puts return value. * libmisc/shell.c: Do not check execle return value. * libmisc/setupenv.c: Avoid implicit conversion between integer types. * libmisc/xmalloc.c: size should not be zero to avoid returning NULL pointers. * libmisc/hushed.c: Do not check *printf/*puts return value. * libmisc/system.c: Avoid implicit conversion of integer to boolean. safe_system last argument is a boolean. * libmisc/system.c: Check return value of dup2. * libmisc/system.c: Do not check *printf/*puts return value. * libmisc/system.c: Do not check execve return value. * libmisc/salt.c: Do not check *printf/*puts return value. * libmisc/loginprompt.c: Do not check gethostname return value. * libmisc/find_new_gid.c, libmisc/find_new_uid.c: Do not check gr_rewind/pw_rewind return value. * libmisc/ttytype.c: Limit the number of parsed characters in the sscanf format. * libmisc/ttytype.c: Test if a type was really read. * libmisc/sub.c: Do not check *printf/*puts return value. * libmisc/sub.c: Avoid implicit conversion of integer to boolean. * src/userdel.c: Fix typo in comment. * src/userdel.c: Avoid implicit conversion of boolean to integer. * src/userdel.c: safe_system last argument is a boolean. * src/newusers.c: Avoid implicit conversion of boolean to integer. * src/newusers.c: Avoid implicit conversion of integer to boolean. * src/usermod.c: Add brackets. * src/usermod.c: Avoid implicit conversion of characters or integers to booleans. * src/vipw.c: Avoid implicit conversion of integer to boolean. * src/su.c: Avoid implicit conversion of integer to boolean. * src/su.c: Add brackets. * src/useradd.c: Avoid implicit conversion of characters or integers to booleans.
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return (NULL != cp) ? cp + 1 : str;
}