[10117] in The GTK GIMP ToolKit mailing list archive
[gtk-list] bug in glib.h / g_bit_nth_msf
daemon@ATHENA.MIT.EDU (Andreas Bombe)
Sat Nov 14 21:44:51 1998
Date: Sun, 15 Nov 1998 03:38:59 +0100
From: Andreas Bombe <andreasb@munich.netsurf.de>
To: gtk-list@redhat.com
Reply-To: Andreas Bombe <andreas.bombe@munich.netsurf.de>
Resent-From: gtk-list@redhat.com
I found an off-by-one error in glib.h in the g_bit_nth_msf macro. It sets
nth_bit to 33 in case it's called with nth_bit < 0. This value is reduced by
one immediately thereafter, but 1<<32 is off limits for a 32 bit variable.
Also nth_bit shouldn't be checked for <0 but <1.
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Andreas E. Bombe <andreas.bombe@munich.netsurf.de>
http://home.pages.de/~andreas.bombe/
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