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authorAdhemerval Zanella <adhemerval.zanella@linaro.org>2024-02-08 15:46:21 -0300
committerAdhemerval Zanella <adhemerval.zanella@linaro.org>2024-02-27 10:52:59 -0300
commit86889e22db329abac618c6a41f86c84657a15324 (patch)
tree44cd2f7b8f61f93cc72cf5f2107fd90ad0c87391 /misc
parent68444c045077368446eced143510419c901e31b1 (diff)
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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.h9
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