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Annotation of researchv10dc/ncurses/screen/newpad.c, revision 1.1.1.1

1.1       root        1: # include      "curses.ext"
                      2: # include      <signal.h>
                      3: /*     @(#) newpad.c: 1.1 10/15/83     (1.17   3/16/83)        */
                      4: 
                      5: char   *calloc();
                      6: char   *malloc();
                      7: extern char    *getenv();
                      8: 
                      9: extern WINDOW  *makenew();
                     10: 
                     11: /*
                     12:  * Like newwin, but makes a pad instead of a window.  A pad is not
                     13:  * associated with part of the screen, so it can be bigger.
                     14:  */
                     15: WINDOW *
                     16: newpad(nlines, ncols)
                     17: register int   nlines;
                     18: {
                     19:        register WINDOW *win;
                     20:        register chtype *sp;
                     21:        register int i;
                     22:        char *calloc();
                     23: 
                     24:        if ((win = makenew(nlines, ncols, 0, 0)) == NULL)
                     25:                return NULL;
                     26:        win->_flags |= _ISPAD;
                     27:        for (i = 0; i < nlines; i++)
                     28:                if ((win->_y[i] = (chtype *) calloc(ncols, sizeof (chtype))) == NULL) {
                     29:                        register int j;
                     30: 
                     31:                        for (j = 0; j < i; j++)
                     32:                                cfree((char *)win->_y[j]);
                     33:                        cfree((char *)win->_firstch);
                     34:                        cfree((char *)win->_lastch);
                     35:                        cfree((char *)win->_y);
                     36:                        cfree((char *)win);
                     37:                        return NULL;
                     38:                }
                     39:                else
                     40:                        for (sp = win->_y[i]; sp < win->_y[i] + ncols; )
                     41:                                *sp++ = ' ';
                     42:        return win;
                     43: }

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