/*  * This file is part of the UCB release of Plan 9. It is subject to the license * terms in the LICENSE file found in the top-level directory of this * distribution and at http://akaros.cs.berkeley.edu/files/Plan9License. No * part of the UCB release of Plan 9, including this file, may be copied, * modified, propagated, or distributed except according to the terms contained * in the LICENSE file. */ #include <u.h>#include <libc.h>#include <bio.h>#include <ctype.h>#include <ndb.h>#include "ndbhf.h" /* *  Parse a data base entry.  Entries may span multiple *  lines.  An entry starts on a left margin.  All subsequent *  lines must be indented by white space.  An entry consists *  of tuples of the forms: *	attribute-name *	attribute-name=value *	attribute-name="value with white space" * *  The parsing returns a 2-dimensional structure.  The first *  dimension joins all tuples. All tuples on the same line *  form a ring along the second dimension. */ /* *  parse the next entry in the file */Ndbtuple*ndbparse(Ndb *db){	char *line;	Ndbtuple *t;	Ndbtuple *first, *last;	int len; 	first = last = 0;	for(;;){		if((line = Brdline(&db->b, '\n')) == 0)			break;		len = Blinelen(&db->b);		if(line[len-1] != '\n')			break;		if(first && !ISWHITE(*line) && *line != '#'){			Bseek(&db->b, -len, 1);			break;		}		t = _ndbparseline(line);		if(t == 0)			continue;		setmalloctag(t, getcallerpc(&db));		if(first)			last->entry = t;		else			first = t;		last = t;		while(last->entry)			last = last->entry;	}	ndbsetmalloctag(first, getcallerpc(&db));	return first;}