// Copyright status: this file is in the public domain.

#include "lx.h"
#include "internal.h"

static const LX_CHARINFO ciz = { 0 };

const LX_CHARINFO *lx_fontinfo_charinfo(const LX_FONTINFO *fi, unsigned int c)
{
 int x;

 if (! fi->charinfos) return(0);
 x = ((FONTPRIV *)fi->lx_priv)->charindex[c&65535];
 switch (x)
  { case FONTPRIV_ZERO:
       return(&ciz);
       break;
    case FONTPRIV_NIL:
       return(0);
       break;
    case FONTPRIV_SAME:
       return(&fi->minbounds);
       break;
    default:
       if (x >= fi->ncharinfo)
	{ lx_abort();
	  return(0);
	}
       return(&fi->charinfos[x]);
       break;
  }
}