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WebSVN – planix.SVN – Blame – /os/branches/feature_posix/sys/src/cmd/bind.c – Rev 2

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#include <u.h>
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#include <libc.h>
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void	usage(void);
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void
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main(int argc, char *argv[])
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{
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	ulong flag = 0;
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	int qflag = 0;
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	ARGBEGIN{
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	case 'a':
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		flag |= MAFTER;
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		break;
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	case 'b':
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		flag |= MBEFORE;
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		break;
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	case 'c':
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		flag |= MCREATE;
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		break;
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	case 'q':
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		qflag = 1;
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		break;
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	default:
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		usage();
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	}ARGEND
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	if(argc != 2 || (flag&MAFTER)&&(flag&MBEFORE))
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		usage();
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	if(bind(argv[0], argv[1], flag) < 0){
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		if(qflag)
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			exits(0);
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		/* try to give a less confusing error than the default */
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		if(access(argv[0], 0) < 0)
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			fprint(2, "bind: %s: %r\n", argv[0]);
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		else if(access(argv[1], 0) < 0)
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			fprint(2, "bind: %s: %r\n", argv[1]);
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		else
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			fprint(2, "bind %s %s: %r\n", argv[0], argv[1]);
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		exits("bind");
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	}
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	exits(0);
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}
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void
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usage(void)
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{
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	fprint(2, "usage: bind [-q] [-b|-a|-c|-bc|-ac] new old\n");
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	exits("usage");
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}