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authorfanquake <fanquake@gmail.com>2023-01-31 13:25:11 +0000
committerSiddhesh Poyarekar <siddhesh@sourceware.org>2023-01-31 17:33:42 -0500
commit1423a26a488aae1c6fa7210e20c147a242f40f47 (patch)
treee3378d209f4b78296eb761dea659a70dbbf25721
parentf5c65fa920d78cffe56fe4065f16241637808353 (diff)
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doc: correct _FORTIFY_SOURCE doc in features.h
-rw-r--r--include/features.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/include/features.h b/include/features.h
index 7d2c7a4f87..07c73b3e55 100644
--- a/include/features.h
+++ b/include/features.h
@@ -57,7 +57,8 @@
 			__STRICT_ANSI__).
 
    _FORTIFY_SOURCE	Add security hardening to many library functions.
-			Set to 1 or 2; 2 performs stricter checks than 1.
+			Set to 1, 2 or 3; 3 performs stricter checks than 2, which
+			performs stricter checks than 1.
 
    _REENTRANT, _THREAD_SAFE
 			Obsolete; equivalent to _POSIX_C_SOURCE=199506L.