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| author | Adhemerval Zanella <adhemerval.zanella@linaro.org> | 2024-02-08 15:46:21 -0300 |
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| committer | Adhemerval Zanella <adhemerval.zanella@linaro.org> | 2024-02-27 10:52:59 -0300 |
| commit | 86889e22db329abac618c6a41f86c84657a15324 (patch) | |
| tree | 44cd2f7b8f61f93cc72cf5f2107fd90ad0c87391 /misc | |
| parent | 68444c045077368446eced143510419c901e31b1 (diff) | |
| download | glibc-86889e22db329abac618c6a41f86c84657a15324.tar.gz glibc-86889e22db329abac618c6a41f86c84657a15324.tar.xz glibc-86889e22db329abac618c6a41f86c84657a15324.zip | |
debug: Improve fcntl.h fortify warnings with clang
It improves open, open64, openat, and openat64. The compile and runtime checks have similar coverage as with GCC. Checked on aarch64, armhf, x86_64, and i686. Reviewed-by: Carlos O'Donell <carlos@redhat.com> Tested-by: Carlos O'Donell <carlos@redhat.com>
Diffstat (limited to 'misc')
| -rw-r--r-- | misc/sys/cdefs.h | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/misc/sys/cdefs.h b/misc/sys/cdefs.h index 62507044c8..6b03417453 100644 --- a/misc/sys/cdefs.h +++ b/misc/sys/cdefs.h @@ -257,7 +257,9 @@ # define __fortify_clang_warning(__c, __msg) \ __attribute__ ((__diagnose_if__ ((__c), (__msg), "warning"))) -# define __fortify_clang_warning_only_if_bos0_lt(n, buf, complaint) \ +# define __fortify_clang_error(__c, __msg) \ + __attribute__ ((__diagnose_if__ ((__c), (__msg), "error"))) +# define __fortify_clang_warning_only_if_bos0_lt(n, buf, complaint) \ __attribute__ ((__diagnose_if__ \ (__fortify_clang_bosn_args (__bos0, n, buf, 1, complaint)))) # define __fortify_clang_warning_only_if_bos0_lt2(n, buf, div, complaint) \ @@ -270,6 +272,11 @@ __attribute__ ((__diagnose_if__ \ (__fortify_clang_bosn_args (__bos, n, buf, div, complaint)))) +# define __fortify_clang_prefer_this_overload \ + __attribute__ ((enable_if (1, ""))) +# define __fortify_clang_unavailable(__msg) \ + __attribute__ ((unavailable(__msg))) + # if __USE_FORTIFY_LEVEL == 3 # define __fortify_clang_overload_arg(__type, __attr, __name) \ __type __attr const __fortify_clang_pass_dynamic_object_size __name |