On 08/12/2014 10:34 AM, Florian Festi wrote:
On 08/10/2014 10:25 PM, Krzysztof Żelechowski wrote:
Is:
# define __set_errno(val) (*__errno_location ()) = (val)
# define __open open
# define __close close
# define __fchdir fchdir
Why do you do that? It is illegal.
Please don't tell the Police. We all have families.
If you look a bit closer you might realize that this passage is
surrounded by the #else block of a #if defined(_LIBC) directive.
Applications must not define the macro _LIBC, it's internal to glibc and
other libcs. Perhaps you're confusing it with the __STDC__ macro?
Krzysztof is right, and the quoted #defines are actually processed
during compilation (on GNU/Linux at least).
--
Florian Weimer / Red Hat Product Security
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