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glibc/conform/data/fenv.h-data
Collin Funk d18213c699 conform: Add initial support for C23.
Hi Joseph,

As we discussed, this patch just makes C23 include every check that is
performed by C11.

I tested the commit by adding the ISO23 Make and Python variables to be
the same as ISO11.  So the only difference was compiling with -DISO23
instead of -DISO11.  And changed the temporary directories to instead
use the format f'/tmp/glibc-{self.standard}-{self.header}'.  Then I used
a shell script to run 'cmp' on each file in the ISO11 and ISO23
directories for each header to make sure they were the same.

-- 8< --

Make C23 checks include every test that is performed by C11.  Done by
running the following command:

find conform -name '*.h-data' | xargs sed -i \
  -e 's| !defined ISO11| !defined ISO11 \&\& !defined ISO23|g' \
  -e 's| defined ISO11| defined ISO11 \|\| defined ISO23|g' \
  -e 's|ifdef ISO11|if defined ISO11 \|\| defined ISO23|g' \
  -e 's|ifndef ISO11|if !defined ISO11 \&\& !defined ISO23|g'

Signed-off-by: Collin Funk <collin.funk1@gmail.com>
2025-04-10 18:39:05 +00:00

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#if !defined ISO && !defined POSIX && !defined XPG4 && !defined XPG42 && !defined UNIX98
type fenv_t
type fexcept_t
optional-macro-int-constant FE_DIVBYZERO
optional-macro-int-constant FE_INEXACT
optional-macro-int-constant FE_INVALID
optional-macro-int-constant FE_OVERFLOW
optional-macro-int-constant FE_UNDERFLOW
macro-int-constant FE_ALL_EXCEPT
optional-macro-int-constant FE_DOWNWARD
optional-macro-int-constant FE_TONEAREST
optional-macro-int-constant FE_TOWARDZERO
optional-macro-int-constant FE_UPWARD
allow FE_[ABCDEFGHIJKLMNOPQRSTUVWXYZ]*
macro FE_DFL_ENV {const fenv_t *}
function int feclearexcept (int)
function int fegetexceptflag (fexcept_t*, int)
function int feraiseexcept (int)
function int fesetexceptflag (const fexcept_t*, int)
function int fetestexcept (int)
function int fegetround (void)
function int fesetround (int)
function int fegetenv (fenv_t*)
function int feholdexcept (fenv_t*)
function int fesetenv (const fenv_t*)
function int feupdateenv (const fenv_t *)
#if !defined ISO && !defined ISO99 && !defined ISO11 && !defined ISO23
allow *_t
#endif
#endif