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Prevent exceeding array bounds in X11 key-repeat detection

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git-svn-id: https://svn.code.sf.net/p/freeglut/code/trunk@489 7f0cb862-5218-0410-a997-914c9d46530a
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nigels 2004-03-17 04:02:21 +00:00
parent 041d8017dc
commit 101fd08582
1 changed files with 7 additions and 4 deletions
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3
freeglut/freeglut/src/freeglut_main.c
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@ -968,12 +968,15 @@ void FGAPIENTRY glutMainLoopEvent( void )
char keys[32]; char keys[32];
XQueryKeymap( fgDisplay.Display, keys ); /* Look at X11 keystate to detect repeat mode */ XQueryKeymap( fgDisplay.Display, keys ); /* Look at X11 keystate to detect repeat mode */
if ( event.xkey.keycode<256 ) /* XQueryKeymap is limited to 256 keycodes */
{
if ( keys[event.xkey.keycode>>3] & (1<<(event.xkey.keycode%8)) ) if ( keys[event.xkey.keycode>>3] & (1<<(event.xkey.keycode%8)) )
window->State.KeyRepeating = GL_TRUE; window->State.KeyRepeating = GL_TRUE;
else else
window->State.KeyRepeating = GL_FALSE; window->State.KeyRepeating = GL_FALSE;
} }
} }
}
else else
window->State.KeyRepeating = GL_FALSE; window->State.KeyRepeating = GL_FALSE;