4.3BSD - /usr/src/usr.bin/tbl/tb.c

   1: #ifndef lint
   2: static char sccsid[] = "@(#)tb.c	4.3 9/14/85";
   3: #endif
   4: 
   5:  /* tb.c: check which entries exist, also storage allocation */
   6: # include "t..c"
   7: checkuse()
   8: {
   9: int i,c, k;
  10: for(c=0; c<ncol; c++)
  11:     {
  12:     used[c]=lused[c]=rused[c]=0;
  13:     for(i=0; i<nlin; i++)
  14:         {
  15:         if (instead[i] || fullbot[i]) continue;
  16:         k = ctype(i,c);
  17:         if (k== '-' || k == '=') continue;
  18:         if ((k=='n'||k=='a'))
  19:             {
  20:             rused[c]|= real(table[i][c].rcol);
  21:             if( !real(table[i][c].rcol))
  22:             used[c] |= real(table[i][c].col);
  23:             if (table[i][c].rcol)
  24:             lused[c] |= real(table[i][c].col);
  25:             }
  26:         else
  27:             used[c] |= real(table[i][c].col);
  28:         }
  29:     }
  30: }
  31: real(s)
  32:     char *s;
  33: {
  34: if (s==0) return(0);
  35: if (!point(s)) return(1);
  36: if (*s==0) return(0);
  37: return(1);
  38: }
  39: int spcount = 0;
  40: extern char * calloc();
  41: # define MAXVEC 20
  42: char *spvecs[MAXVEC];
  43: 
  44: char *
  45: chspace()
  46: {
  47: char *pp;
  48: if (spvecs[spcount])
  49:     return(spvecs[spcount++]);
  50: if (spcount>=MAXVEC)
  51:     error("Too many characters in table");
  52: spvecs[spcount++]= pp = calloc(MAXCHS+200,1);
  53: if (pp== -1 || pp == 0)
  54:     error("no space for characters");
  55: return(pp);
  56: }
  57: # define MAXPC 50
  58: char *thisvec;
  59: int tpcount = -1;
  60: char *tpvecs[MAXPC];
  61: 
  62: int *
  63: alocv(n)
  64: {
  65: int *tp, *q;
  66: if (tpcount<0 || thisvec+n > tpvecs[tpcount]+MAXCHS)
  67:     {
  68:     tpcount++;
  69:     if (tpvecs[tpcount]==0)
  70:         {
  71:         tpvecs[tpcount] = calloc(MAXCHS,1);
  72:         }
  73:     thisvec = tpvecs[tpcount];
  74:     if (thisvec == -1)
  75:         error("no space for vectors");
  76:     }
  77: tp=thisvec;
  78: thisvec+=n;
  79: for(q=tp; q<thisvec; q++)
  80:     *q=0;
  81: return(tp);
  82: }
  83: release()
  84: {
  85: extern char *exstore;
  86: /* give back unwanted space in some vectors */
  87: spcount=0;
  88: tpcount= -1;
  89: exstore=0;
  90: }

Defined functions

Defined variables

Defined macros