/*
* Copyright 1991 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
/*
* Copyright (c) 1980 Regents of the University of California.
* All rights reserved. The Berkeley software License Agreement
* specifies the terms and conditions for redistribution.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
/* tb.c: check which entries exist, also storage allocation */
# include "t..c"
#include <stdlib.h>
void
checkuse(void)
{
int i,c, k;
for(c=0; c<ncol; c++)
{
used[c]=lused[c]=rused[c]=0;
for(i=0; i<nlin; i++)
{
if (instead[i] || fullbot[i]) continue;
k = ctype(i,c);
if (k== '-' || k == '=') continue;
if ((k=='n'||k=='a'))
{
rused[c]|= real(table[i][c].rcol);
if( !real(table[i][c].rcol))
used[c] |= real(table[i][c].col);
if (table[i][c].rcol)
lused[c] |= real(table[i][c].col);
}
else
used[c] |= real(table[i][c].col);
}
}
}
int
real(char *s)
{
if (s==0) return(0);
if (!point(s)) return(1);
if (*s==0) return(0);
return(1);
}
int spcount = 0;
# define MAXVEC 20
char *spvecs[MAXVEC];
char *
chspace(void)
{
char *pp;
if (spvecs[spcount])
return(spvecs[spcount++]);
if (spcount>=MAXVEC)
error(gettext("Too many characters in table"));
spvecs[spcount++]= pp = calloc(MAXCHS+MAXSTR,1);
if (pp == 0)
error(gettext("no space for characters"));
return(pp);
}
# define MAXPC 50
char *thisvec;
int tpcount = -1;
char *tpvecs[MAXPC];
int *
alocv(int n)
{
int *tp, *q;
if (tpcount<0 || thisvec+n > tpvecs[tpcount]+MAXCHS)
{
tpcount++;
if (tpvecs[tpcount]==0)
{
tpvecs[tpcount] = calloc(MAXCHS,1);
}
thisvec = tpvecs[tpcount];
if (thisvec == 0)
error(gettext("no space for vectors"));
}
tp=(int *)thisvec;
thisvec+=n;
for(q=tp; q<(int *)thisvec; q++)
*q=0;
return(tp);
}
void
release(void)
{
extern char *exstore;
/* give back unwanted space in some vectors */
spcount=0;
tpcount= -1;
exstore=0;
}