openldap/libraries/liblutil/setproctitle.c
Quanah Gibson-Mount 6c4d6c880b Happy New Year!
2016-01-29 13:32:05 -06:00

79 lines
2.0 KiB
C

/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
* Copyright 1998-2016 The OpenLDAP Foundation.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted only as authorized by the OpenLDAP
* Public License.
*
* A copy of this license is available in the file LICENSE in the
* top-level directory of the distribution or, alternatively, at
* <http://www.OpenLDAP.org/license.html>.
*/
/* Portions Copyright (c) 1990,1991 Regents of the University of Michigan.
* All rights reserved.
*
* Redistribution and use in source and binary forms are permitted
* provided that this notice is preserved and that due credit is given
* to the University of Michigan at Ann Arbor. The name of the University
* may not be used to endorse or promote products derived from this
* software without specific prior written permission. This software
* is provided ``as is'' without express or implied warranty.
*/
#include "portable.h"
#ifndef HAVE_SETPROCTITLE
#include <stdio.h>
#include <ac/stdlib.h>
#include <ac/setproctitle.h>
#include <ac/string.h>
#include <ac/stdarg.h>
char **Argv; /* pointer to original (main's) argv */
int Argc; /* original argc */
/*
* takes a printf-style format string (fmt) and up to three parameters (a,b,c)
* this clobbers the original argv...
*/
/* VARARGS */
void setproctitle( const char *fmt, ... )
{
static char *endargv = (char *)0;
char *s;
int i;
char buf[ 1024 ];
va_list ap;
va_start(ap, fmt);
buf[sizeof(buf) - 1] = '\0';
vsnprintf( buf, sizeof(buf)-1, fmt, ap );
va_end(ap);
if ( endargv == (char *)0 ) {
/* set pointer to end of original argv */
endargv = Argv[ Argc-1 ] + strlen( Argv[ Argc-1 ] );
}
/* make ps print "([prog name])" */
s = Argv[0];
*s++ = '-';
i = strlen( buf );
if ( i > endargv - s - 2 ) {
i = endargv - s - 2;
buf[ i ] = '\0';
}
strcpy( s, buf );
s += i;
while ( s < endargv ) *s++ = ' ';
}
#endif /* NOSETPROCTITLE */