Free Hero Mesh

  sqlite3_vtab_cursor super;
  int pos;
} Cursor;

static Uint8 cur_type;
static Uint8 gsizes[16];
static Picture*cur_pic;
static Picture*spare_page;

static void fn_valid_name(sqlite3_context*cxt,int argc,sqlite3_value**argv) {
  const char*s=sqlite3_value_text(*argv);
  if(!s || !*s || s[strspn(s,"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz_-0123456789")]) {
    sqlite3_result_error(cxt,"Invalid name",-1);
    return;
  }

          case SDLK_RIGHT: case SDLK_KP6: ++cc; goto redraw;
          case SDLK_UP: case SDLK_KP8: cc-=16; goto redraw;
          case SDLK_DOWN: case SDLK_KP2: cc+=16; goto redraw;
          case SDLK_HOME: case SDLK_KP7: cc=0; goto redraw;
          case SDLK_F12:
            p=(Uint8*)screen_prompt("<SQL>");
            if(p) sqlite3_exec(userdb,p,response_cb,0,0);
            goto redraw;
          case SDLK_EQUALS: case SDLK_BACKQUOTE:
            if(!spare_page) {
              spare_page=malloc(sizeof(Picture)+(picture_size+1)*picture_size);
              if(!spare_page) fatal("Allocation failed\n");
              spare_page->size=picture_size;
              memset(spare_page->data,0,(picture_size+1)*picture_size);
            }
            if(spare_page->size!=cur_pic->size) {
              m.x=m.y=m.w=m.h=0;
              xx=yy=-1;
            }
            pict[sel]=spare_page;
            spare_page=cur_pic;
            goto redraw;
        }
        break;
      case SDL_VIDEOEXPOSE:
        goto redraw;
    }
  }