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WebSVN – planix.SVN – Blame – /os/branches/feature_posix/sys/src/cmd/unix/drawterm/libc/getfields.c – Rev 2

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#include <u.h>
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#include <libc.h>
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int
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getfields(char *str, char **args, int max, int mflag, char *set)
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{
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	Rune r;
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	int nr, intok, narg;
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	if(max <= 0)
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		return 0;
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	narg = 0;
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	args[narg] = str;
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	if(!mflag)
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		narg++;
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	intok = 0;
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	for(;; str += nr) {
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		nr = chartorune(&r, str);
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		if(r == 0)
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			break;
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		if(utfrune(set, r)) {
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			if(narg >= max)
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				break;
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			*str = 0;
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			intok = 0;
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			args[narg] = str + nr;
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			if(!mflag)
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				narg++;
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		} else {
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			if(!intok && mflag)
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				narg++;
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			intok = 1;
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		}
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	}
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	return narg;
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}