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* setproctitle implementation for linux.
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* Stolen from sendmail 8.7.4 and bashed around by David A. Holland
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* Copyright (c) 1983, 1995 Eric P. Allman
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* Copyright (c) 1988, 1993
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* The Regents of the University of California. All rights reserved.
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* From: @(#)conf.c 8.243 (Berkeley) 11/20/95
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char setproctitle_rcsid[] =
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"$Id: setproctitle.c,v 1.3 1997/05/19 12:58:15 dholland Exp $";
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#include "setproctitle.h"
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** SETPROCTITLE -- set process title for ps
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** fmt -- a printf style format string.
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** a, b, c -- possible parameters to fmt.
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** Clobbers argv of our main procedure so ps(1) will
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** Pointers for setproctitle.
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** This allows "ps" listings to give more useful information.
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static char **Argv = NULL; /* pointer to argument vector */
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static char *LastArgv = NULL; /* end of argv */
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static char Argv0[128]; /* program name */
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initsetproctitle(int argc, char **argv, char **envp)
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** Move the environment so setproctitle can use the space at
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for (i = 0; envp[i] != NULL; i++)
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__environ = (char **) malloc(sizeof (char *) * (i + 1));
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for (i = 0; envp[i] != NULL; i++)
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__environ[i] = strdup(envp[i]);
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** Save start and extent of argv for setproctitle.
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LastArgv = envp[i - 1] + strlen(envp[i - 1]);
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LastArgv = argv[argc - 1] + strlen(argv[argc - 1]);
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tmp = strrchr(argv[0], '/');
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if (!tmp) tmp = argv[0];
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strncpy(Argv0, tmp, sizeof(Argv0));
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/* remember to take away one or we go outside the array space */
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Argv0[sizeof(Argv0) - 1] = 0;
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setproctitle(const char *fmt, ...)
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static char buf[2048];
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/* print progname: heading for grep */
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/* This can't overflow buf due to the relative size of Argv0. */
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(void) strcpy(p, Argv0);
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(void) strcat(p, ": ");
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/* print the argument string */
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(void) vsnprintf(p, sizeof(buf) - (p - buf), fmt, ap);
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if (i > LastArgv - Argv[0] - 2)
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i = LastArgv - Argv[0] - 2;
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(void) strcpy(Argv[0], buf);
added
removed
setproctitle.c
