minicurses: do not use columns or rows when they are <= 0 - sfeed_curses - sfeed curses UI (now part of sfeed, development is in sfeed)
  HTML git clone git://git.codemadness.org/sfeed_curses
   DIR Log
   DIR Files
   DIR Refs
   DIR README
   DIR LICENSE
       ---
   DIR commit 1498a23eb6d0ba3841c9e57045c25a335f5e4e9b
   DIR parent 28795e476d1775e0cf96a5dd8444e200e5197152
  HTML Author: Hiltjo Posthuma <hiltjo@codemadness.org>
       Date:   Mon, 21 Dec 2020 14:03:07 +0100
       
       minicurses: do not use columns or rows when they are <= 0
       
       Instead use the default sizes.
       
       The ioctl can return success but not have the sizes set.
       Noticed on qemu -nographic via a console.
       
       Diffstat:
         M minicurses.h                        |       6 ++++--
       
       1 file changed, 4 insertions(+), 2 deletions(-)
       ---
   DIR diff --git a/minicurses.h b/minicurses.h
       @@ -24,8 +24,10 @@ setupterm(char *term, int fildes, int *errret)
        
                if (ioctl(fildes, TIOCGWINSZ, &winsz) == -1)
                        return -1; /* ERR */
       -        columns = winsz.ws_col;
       -        lines = winsz.ws_row;
       +        if (winsz.ws_col > 0)
       +                columns = winsz.ws_col;
       +        if (winsz.ws_row > 0)
       +                lines = winsz.ws_row;
        
                return 0; /* OK */
        }