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85 lines
1.8 KiB
C
85 lines
1.8 KiB
C
#include "portable.h"
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#ifndef HAVE_SETPROCTITLE
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#include <stdio.h>
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#include <stdlib.h>
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#include <ac/setproctitle.h>
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#include <ac/string.h>
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#include <ac/stdarg.h>
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/*
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* Copyright (c) 1990,1991 Regents of the University of Michigan.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms are permitted
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* provided that this notice is preserved and that due credit is given
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* to the University of Michigan at Ann Arbor. The name of the University
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* may not be used to endorse or promote products derived from this
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* software without specific prior written permission. This software
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* is provided ``as is'' without express or implied warranty.
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*/
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char **Argv; /* pointer to original (main's) argv */
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int Argc; /* original argc */
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/*
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* takes a printf-style format string (fmt) and up to three parameters (a,b,c)
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* this clobbers the original argv...
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*/
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/* VARARGS */
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void setproctitle
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#if defined( HAVE_STDARG )
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( const char *fmt, ... )
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#else
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( va_alist )
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va_dcl
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#endif
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{
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static char *endargv = (char *)0;
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char *s;
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int i;
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char buf[ 1024 ];
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va_list ap;
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#if defined( HAVE_STDARG )
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va_start(ap, fmt);
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#else
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const char *fmt;
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va_start(ap);
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fmt = va_arg(ap, const char *);
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#endif
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#ifdef HAVE_VSNPRINTF
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buf[sizeof(buf) - 1] = '\0';
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vsnprintf( buf, sizeof(buf)-1, fmt, ap );
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#elif HAVE_VPRINTF
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vsprintf( buf, fmt, ap ); /* hope it's not too long */
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#else
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/* use doprnt() */
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chokeme = "choke me! I don't have a doprnt() manual handy";
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#endif
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va_end(ap);
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if ( endargv == (char *)0 ) {
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/* set pointer to end of original argv */
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endargv = Argv[ Argc-1 ] + strlen( Argv[ Argc-1 ] );
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}
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/* make ps print "([prog name])" */
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s = Argv[0];
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*s++ = '-';
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i = strlen( buf );
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if ( i > endargv - s - 2 ) {
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i = endargv - s - 2;
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buf[ i ] = '\0';
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}
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strcpy( s, buf );
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s += i;
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while ( s < endargv ) *s++ = ' ';
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}
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#endif /* NOSETPROCTITLE */
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