openssh/openbsd-compat/setproctitle.c
2002-02-13 16:00:15 +11:00

103 lines
3.1 KiB
C

/*
* Modified for OpenSSH by Kevin Steves
* October 2000
*/
/*
* Copyright (c) 1994, 1995 Christopher G. Demetriou
* 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Christopher G. Demetriou
* for the NetBSD Project.
* 4. 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 BY THE AUTHOR ``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.
*/
#if defined(LIBC_SCCS) && !defined(lint)
static char rcsid[] = "$OpenBSD: setproctitle.c,v 1.8 2001/11/06 19:21:40 art Exp $";
#endif /* LIBC_SCCS and not lint */
#include "includes.h"
#ifndef HAVE_SETPROCTITLE
#define SPT_NONE 0
#define SPT_PSTAT 1
#ifndef SPT_TYPE
#define SPT_TYPE SPT_NONE
#endif
#if SPT_TYPE == SPT_PSTAT
#include <sys/param.h>
#include <sys/pstat.h>
#endif /* SPT_TYPE == SPT_PSTAT */
#define MAX_PROCTITLE 2048
extern char *__progname;
/*
* Set Process Title (SPT) defines. Modeled after sendmail's
* SPT type definition strategy.
*
* SPT_TYPE:
*
* SPT_NONE: Don't set the process title. Default.
* SPT_PSTAT: Use pstat(PSTAT_SETCMD). HP-UX specific.
*/
void
setproctitle(const char *fmt, ...)
{
#if SPT_TYPE != SPT_NONE
va_list ap;
char buf[MAX_PROCTITLE];
size_t used;
#if SPT_TYPE == SPT_PSTAT
union pstun pst;
#endif /* SPT_TYPE == SPT_PSTAT */
va_start(ap, fmt);
if (fmt != NULL) {
used = snprintf(buf, MAX_PROCTITLE, "%s: ", __progname);
if (used >= MAX_PROCTITLE)
used = MAX_PROCTITLE - 1;
(void)vsnprintf(buf + used, MAX_PROCTITLE - used, fmt, ap);
} else
(void)snprintf(buf, MAX_PROCTITLE, "%s", __progname);
va_end(ap);
used = strlen(buf);
#if SPT_TYPE == SPT_PSTAT
pst.pst_command = buf;
pstat(PSTAT_SETCMD, pst, used, 0, 0);
#endif /* SPT_TYPE == SPT_PSTAT */
#endif /* SPT_TYPE != SPT_NONE */
}
#endif /* HAVE_SETPROCTITLE */