1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
|
/*
* setproctitle implementation for linux.
* Stolen from sendmail 8.7.4 and bashed around by David A. Holland
*/
/*
* Copyright (c) 1983, 1995 Eric P. Allman
* Copyright (c) 1988, 1993
* The Regents of the University of California. 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 the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
*
* From: @(#)conf.c 8.243 (Berkeley) 11/20/95
*/
char setproctitle_rcsid[] =
"$Id: setproctitle.c,v 1.6 1999/09/29 01:28:07 netbug Exp $";
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <stdarg.h>
#include <stdio.h>
#include "setproctitle.h"
/*
** SETPROCTITLE -- set process title for ps
**
** Parameters:
** fmt -- a printf style format string.
** a, b, c -- possible parameters to fmt.
**
** Returns:
** none.
**
** Side Effects:
** Clobbers argv of our main procedure so ps(1) will
** display the title.
*/
/*
** Pointers for setproctitle.
** This allows "ps" listings to give more useful information.
*/
static char **Argv = NULL; /* pointer to argument vector */
static char *LastArgv = NULL; /* end of argv */
static char Argv0[128]; /* program name */
void
initsetproctitle(int argc, char **argv, char **envp)
{
register int i;
char *tmp;
/*
** Move the environment so setproctitle can use the space at
** the top of memory.
*/
for (i = 0; envp[i] != NULL; i++)
continue;
__environ = (char **) malloc(sizeof (char *) * (i + 1));
for (i = 0; envp[i] != NULL; i++)
__environ[i] = strdup(envp[i]);
__environ[i] = NULL;
/*
** Save start and extent of argv for setproctitle.
*/
Argv = argv;
if (i > 0)
LastArgv = envp[i - 1] + strlen(envp[i - 1]);
else
LastArgv = argv[argc - 1] + strlen(argv[argc - 1]);
tmp = strrchr(argv[0], '/');
if (!tmp) tmp = argv[0];
else tmp++;
strncpy(Argv0, tmp, sizeof(Argv0));
Argv0[sizeof(Argv0)-1] = 0;
}
void
setproctitle(const char *fmt, ...)
{
register char *p;
register int i=0;
static char buf[2048];
va_list ap;
p = buf;
/* print progname: heading for grep */
/* This can't overflow buf due to the relative size of Argv0. */
(void) strcpy(p, Argv0);
(void) strcat(p, ": ");
p += strlen(p);
/* print the argument string */
va_start(ap, fmt);
(void) vsnprintf(p, sizeof(buf) - (p - buf), fmt, ap);
va_end(ap);
i = strlen(buf);
if (i > LastArgv - Argv[0] - 2)
{
i = LastArgv - Argv[0] - 2;
buf[i] = '\0';
}
(void) strcpy(Argv[0], buf);
p = &Argv[0][i];
while (p < LastArgv)
*p++ = '\0';
Argv[1] = NULL;
}
|
