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Fix a crash on some versions of GTK

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* src/emacsgtkfixed.c (XSetWMNormalHints): Fix potential
arithmetic fault.
This commit is contained in:
Po Lu 2022-02-18 18:01:58 +08:00
parent 3306e11107
commit 1f755a74b7
1 changed files with 5 additions and 2 deletions
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7
src/emacsgtkfixed.c
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@ -183,9 +183,12 @@ XSetWMSizeHints (Display *d,
if (hints->flags & PResizeInc)
{
if (data[5] % hints->width_inc)
/* Some versions of GTK set PResizeInc even if the
increments are at their initial values. */
if (hints->width_inc && data[5] % hints->width_inc)
data[5] += (hints->width_inc - (data[5] % hints->width_inc));
if (data[6] % hints->height_inc)
if (hints->height_inc && data[6] % hints->height_inc)
data[6] += (hints->height_inc - (data[6] % hints->height_inc));
}
}