mirror of
https://gitlab.freedesktop.org/libbsd/libbsd.git
synced 2025-05-22 21:40:05 +02:00
64 lines
2.1 KiB
C
64 lines
2.1 KiB
C
/*
|
|
* Copyright © 2006 Robert Millan
|
|
* Copyright © 2010-2012 Guillem Jover <guillem@hadrons.org>
|
|
*
|
|
* 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 author may not be used to endorse or promote products
|
|
* derived from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED ``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 AUTHOR 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.
|
|
*/
|
|
|
|
/*
|
|
Rejected in glibc (http://sourceware.org/ml/libc-alpha/2006-03/msg00125.html)
|
|
*/
|
|
|
|
#include <errno.h>
|
|
#include <string.h>
|
|
#include <stdlib.h>
|
|
|
|
static const char *__progname = NULL;
|
|
|
|
const char *
|
|
getprogname(void)
|
|
{
|
|
#ifdef __GLIBC__
|
|
if (__progname == NULL)
|
|
__progname = program_invocation_short_name;
|
|
#elif defined(HAVE_GETEXECNAME)
|
|
/* getexecname(3) returns an absolute pathname, normalize it. */
|
|
if (__progname == NULL)
|
|
setprogname(getexecname());
|
|
#endif
|
|
|
|
return __progname;
|
|
}
|
|
|
|
void
|
|
setprogname(const char *progname)
|
|
{
|
|
const char *last_slash;
|
|
|
|
last_slash = strrchr(progname, '/');
|
|
if (last_slash == NULL)
|
|
__progname = progname;
|
|
else
|
|
__progname = last_slash + 1;
|
|
}
|