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/*
* Copyright © 2003 Felix Kuehling
* Copyright © 2018 Advanced Micro Devices, Inc.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NON-INFRINGEMENT. IN NO EVENT SHALL THE COPYRIGHT HOLDERS, AUTHORS
* AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
* USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*/
#include "u_process.h"
#include <string.h>
#include <errno.h>
#include <stdlib.h>
#undef GET_PROGRAM_NAME
#if defined(__linux__) && defined(HAVE_PROGRAM_INVOCATION_NAME)
static char *path = NULL;
static void __freeProgramPath()
{
free(path);
path = NULL;
}
static const char *
__getProgramName()
{
char * arg = strrchr(program_invocation_name, '/');
if (arg) {
/* If the / character was found this is likely a linux path or
* an invocation path for a 64-bit wine program.
*
* However, some programs pass command line arguments into argv[0].
* Strip these arguments out by using the realpath only if it was
* a prefix of the invocation name.
*/
if (!path) {
path = realpath("/proc/self/exe", NULL);
atexit(__freeProgramPath);
}
if (path && strncmp(path, program_invocation_name, strlen(path)) == 0) {
/* This shouldn't be null because path is a a prefix,
* but check it anyway since path is static. */
char * name = strrchr(path, '/');
if (name)
return name + 1;
}
return arg+1;
}
/* If there was no '/' at all we likely have a windows like path from
* a wine application.
*/
arg = strrchr(program_invocation_name, '\\');
if (arg)
return arg+1;
return program_invocation_name;
}
# define GET_PROGRAM_NAME() __getProgramName()
#elif defined(HAVE_PROGRAM_INVOCATION_NAME)
# define GET_PROGRAM_NAME() program_invocation_short_name
#elif defined(__FreeBSD__) && (__FreeBSD__ >= 2)
# include <osreldate.h>
# if (__FreeBSD_version >= 440000)
# define GET_PROGRAM_NAME() getprogname()
# endif
#elif defined(__NetBSD__) && defined(__NetBSD_Version__) && (__NetBSD_Version__ >= 106000100)
# define GET_PROGRAM_NAME() getprogname()
#elif defined(__DragonFly__)
# define GET_PROGRAM_NAME() getprogname()
#elif defined(__APPLE__)
# define GET_PROGRAM_NAME() getprogname()
#elif defined(ANDROID)
# define GET_PROGRAM_NAME() getprogname()
#elif defined(__sun)
/* Solaris has getexecname() which returns the full path - return just
the basename to match BSD getprogname() */
# include <libgen.h>
static const char *
__getProgramName()
{
static const char *progname;
if (progname == NULL) {
const char *e = getexecname();
if (e != NULL) {
/* Have to make a copy since getexecname can return a readonly
string, but basename expects to be able to modify its arg. */
char *n = strdup(e);
if (n != NULL) {
progname = basename(n);
}
}
}
return progname;
}
# define GET_PROGRAM_NAME() __getProgramName()
#endif
#if !defined(GET_PROGRAM_NAME)
# if defined(__OpenBSD__) || defined(NetBSD) || defined(__UCLIBC__) || defined(ANDROID)
/* This is a hack. It's said to work on OpenBSD, NetBSD and GNU.
* Rogelio M.Serrano Jr. reported it's also working with UCLIBC. It's
* used as a last resort, if there is no documented facility available. */
static const char *
__getProgramName()
{
extern const char *__progname;
char * arg = strrchr(__progname, '/');
if (arg)
return arg+1;
else
return __progname;
}
# define GET_PROGRAM_NAME() __getProgramName()
# else
# define GET_PROGRAM_NAME() ""
# pragma message ( "Warning: Per application configuration won't work with your OS version." )
# endif
#endif
const char *
util_get_process_name(void)
{
return GET_PROGRAM_NAME();
}
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