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xau.c

/* xa65 - 65xx/65816 cross-assembler and utility suite
 *
 * Copyright (C) 1989-1997 André Fachat (a.fachat@physik.tu-chemnitz.de)
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#include <stdio.h>
#include <stdlib.h>

#include "xad.h"
#include "xah.h"
#include "xal.h"
#include "xau.h"

int u_label(int labnr)
{
      int i;

      if (!afile->ud.ulist) {
            afile->ud.ulist = malloc(200 * sizeof (int));
            if (afile->ud.ulist)
                  afile->ud.um = 200;
      }

      for (i = 0; i < afile->ud.un; i++) {
            if (afile->ud.ulist[i] == labnr)
                  return i;
      }
      if (afile->ud.un >= afile->ud.um) {
            afile->ud.um *= 1.5;
            afile->ud.ulist =
                realloc(afile->ud.ulist, afile->ud.um * sizeof (int));
            if (!afile->ud.ulist) {
                  fprintf(stderr, "Panic: No memory!\n");
                  exit(1);
            }
      }
      afile->ud.ulist[afile->ud.un] = labnr;

      return afile->ud.un++;
}

void u_write(FILE *fp)
{
      int i, d;
      char *s;

      fputw(afile->ud.un, fp);

      for (i = 0; i < afile->ud.un; i++) {
            l_vget(afile->ud.ulist[i], &d, &s);
            fprintf(fp, "%s", s);
            fputc(0, fp);
      }

      free(afile->ud.ulist);
      afile->ud.ulist = NULL;
      afile->ud.um = afile->ud.un = 0;
}

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