Fix size collapse to 0 after too-small sizing

The test for the end of the sizeDefaults list was one off, so that
a too-small size request would be rounded to a size just behind
the table, where there is an all-zero sentinel element.

diff --git a/gtk/xboard.c b/gtk/xboard.c
index e8d5178..96889c8 100644 (file)
--- a/gtk/xboard.c
+++ b/gtk/xboard.c
@@ -666,7 +666,7 @@ ResizeBoardWindow (int w, int h, int inhibit)
 //    h += marginH + a.height + 1;
     gtk_window_resize(GTK_WINDOW(shellWidget), w, 10);
     DoEvents();
-    gtk_widget_set_size_request(optList[W_BOARD].handle, -1, -1); // liberate board again
+    gtk_widget_set_size_request(optList[W_BOARD].handle, 100, 100); // liberate board again
 }
 
 int
@@ -1701,7 +1701,7 @@ ReSize (WindowPlacement *wp)
            lg = sqx < 37 ? 1 : sqx < 59 ? 2 : sqx < 116 ? 3 : 4;
            if(sqx == oldSqx + 1 && lg == lineGap + 1) sqx = oldSqx, squareSize = 0; // prevent oscillations, force resize by kludge
        }
-       for(h=0; sizeDefaults[h].name && sizeDefaults[h].squareSize*8 > sqx*BOARD_WIDTH; h++) {}
+       for(h=0; sizeDefaults[h+1].name && sizeDefaults[h].squareSize*8 > sqx*BOARD_WIDTH; h++) {}
        if(initialSquareSize != sizeDefaults[h].squareSize) { // boardSize changed
            initialSquareSize = sizeDefaults[h].squareSize; // used for saving font
            ChangeFont(1, &appData.clockFont, CLOCK_FONT, initialSquareSize, CLOCK_FONT_NAME, 2*(sizeDefaults[h].clockFontPxlSize+1)/3);