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From: Adhemerval Zanella <azanella@sourceware.org> To: glibc-cvs@sourceware.org Subject: [glibc/azanella/clang] posix: Fix macro expansion producing 'defined' has undefined behavior Date: Tue, 29 Mar 2022 20:25:05 +0000 (GMT) [thread overview] Message-ID: <20220329202505.5EF713858025@sourceware.org> (raw) https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=fa0315e0760391c9ba4dbc139d036b2e7fa2372b commit fa0315e0760391c9ba4dbc139d036b2e7fa2372b Author: Adhemerval Zanella <adhemerval.zanella@linaro.org> Date: Wed Mar 9 18:22:46 2022 -0300 posix: Fix macro expansion producing 'defined' has undefined behavior Diff: --- sysdeps/posix/sysconf.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/sysdeps/posix/sysconf.c b/sysdeps/posix/sysconf.c index f760bf4e2b..c29b70ad80 100644 --- a/sysdeps/posix/sysconf.c +++ b/sysdeps/posix/sysconf.c @@ -37,13 +37,17 @@ #define NEED_SPEC_ARRAY 0 #include <posix-conf-vars.h> -#define NEED_CHECK_SPEC \ - (!defined _XBS5_ILP32_OFF32 || !defined _XBS5_ILP32_OFFBIG \ +#if !defined _XBS5_ILP32_OFF32 || !defined _XBS5_ILP32_OFFBIG \ || !defined _XBS5_LP64_OFF64 || !defined _XBS5_LPBIG_OFFBIG \ || !defined _POSIX_V6_ILP32_OFF32 || !defined _POSIX_V6_ILP32_OFFBIG \ || !defined _POSIX_V6_LP64_OFF64 || !defined _POSIX_V6_LPBIG_OFFBIG \ || !defined _POSIX_V7_ILP32_OFF32 || !defined _POSIX_V7_ILP32_OFFBIG \ - || !defined _POSIX_V7_LP64_OFF64 || !defined _POSIX_V7_LPBIG_OFFBIG) + || !defined _POSIX_V7_LP64_OFF64 || !defined _POSIX_V7_LPBIG_OFFBIG +# define NEED_CHECK_SPEC 1 +#else +# define NEED_CHECK_SPEC 0 +#endif + #if NEED_CHECK_SPEC static long int __sysconf_check_spec (const char *spec); #endif
next reply other threads:[~2022-03-29 20:25 UTC|newest] Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-03-29 20:25 Adhemerval Zanella [this message] -- strict thread matches above, loose matches on Subject: below -- 2022-06-09 21:15 Adhemerval Zanella 2022-06-09 13:12 Adhemerval Zanella 2022-06-03 14:01 Adhemerval Zanella 2022-05-13 14:15 Adhemerval Zanella 2022-05-12 19:29 Adhemerval Zanella 2022-05-10 18:19 Adhemerval Zanella 2022-04-29 13:59 Adhemerval Zanella 2022-04-04 12:49 Adhemerval Zanella 2022-03-31 19:02 Adhemerval Zanella 2022-03-16 18:00 Adhemerval Zanella 2022-03-15 18:38 Adhemerval Zanella 2022-03-11 17:22 Adhemerval Zanella 2022-03-10 19:21 Adhemerval Zanella
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