47 lines
958 B
C
47 lines
958 B
C
/*
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* This file is part of the UCB release of Plan 9. It is subject to the license
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* terms in the LICENSE file found in the top-level directory of this
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* distribution and at http://akaros.cs.berkeley.edu/files/Plan9License. No
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* part of the UCB release of Plan 9, including this file, may be copied,
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* modified, propagated, or distributed except according to the terms contained
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* in the LICENSE file.
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*/
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#include <u.h>
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#include <libc.h>
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int
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jehanne_getfields(char *str, char **args, int max, int mflag, const 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 = jehanne_chartorune(&r, str);
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if(r == 0)
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break;
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if(jehanne_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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}
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