Austin Donnelly <[EMAIL PROTECTED]> writes: > > Package: libc6 > Version: 2.1.1 > > The definition of strstr(3) in ./sysdeps/i386/i486/bits/string.h > includes a fragment of assembly: [snip] > Note that it clears the direction flag (cld), but never restores it to > its previous value. This could be a problem if someone sets the > direction bit in EFLAGS. This same problem is present in quite a few > other functions in string.h
The calling conventions say the direction flag should be clear on function entry and exit, so glibc is correct. (See chapter 3 of the iBCS2 book.) If anything, actually, the cld would be unnecessary, but I guess glibc doesn't want to rely on it.
