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Mark fortified __FD_ELT as extension

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This commit is contained in:
Andreas Schwab
2011-12-02 11:34:28 +01:00
parent 6257af2d05
commit d4cc29a254
2 changed files with 7 additions and 1 deletions
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3
misc/bits/select2.h
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@ -27,7 +27,8 @@ extern unsigned long int __fdelt_warn (unsigned long int __d)
__warnattr ("bit outside of fd_set selected");
#undef __FD_ELT
#define __FD_ELT(d) \
({ unsigned long int __d = d; \
__extension__ \
({ unsigned long int __d = (d); \
(__builtin_constant_p (__d) \
? (__d >= __FD_SETSIZE \
? __fdelt_warn (__d) : (__d / __NFDBITS)) \