Fix buffer overflow in xdrawglyph() (#119)
The buffer overflow occurs when the ligatures patch is enabled and xmakeglyphfontspecs() returns more than one XftGlyphFontSpec. Ref. https://github.com/cog1to/st-ligatures/issues/35
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6
x.c
6
x.c
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@ -2553,10 +2553,10 @@ void
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xdrawglyph(Glyph g, int x, int y)
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{
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int numspecs;
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XftGlyphFontSpec spec;
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XftGlyphFontSpec *specs = xw.specbuf;
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numspecs = xmakeglyphfontspecs(&spec, &g, 1, x, y);
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xdrawglyphfontspecs(&spec, g, numspecs, x, y
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numspecs = xmakeglyphfontspecs(specs, &g, 1, x, y);
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xdrawglyphfontspecs(specs, g, numspecs, x, y
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#if WIDE_GLYPHS_PATCH
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,DRAW_BG | DRAW_FG
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#endif // WIDE_GLYPHS_PATCH
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