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don't crash on bad parameters to resizedc

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This commit is contained in:
Sascha Kruse 2012-07-07 04:31:16 +02:00
parent 4feac25664
commit dc3a2d2659
1 changed files with 14 additions and 0 deletions
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14
dunst.c
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@ -433,6 +433,20 @@ void draw_win(void)
} }
/* resize window and draw background */ /* resize window and draw background */
if (width == 0) {
printf("Warning: width == 0\n");
return;
}
if (height == 0) {
printf("Warning: height == 0\n");
return;
}
if (font_h == 0) {
printf("Warning: font_h == 0\n");
return;
}
resizedc(dc, width, height * font_h); resizedc(dc, width, height * font_h);
XResizeWindow(dc->dpy, win, width, height * font_h); XResizeWindow(dc->dpy, win, width, height * font_h);
drawrect(dc, 0, 0, width, height * font_h, True, colors[NORM]->BG); drawrect(dc, 0, 0, width, height * font_h, True, colors[NORM]->BG);