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doc: correct _FORTIFY_SOURCE doc in features.h

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fanquake 2023-01-31 13:25:11 +00:00 committed by Siddhesh Poyarekar
parent f5c65fa920
commit 1423a26a48
1 changed files with 2 additions and 1 deletions
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include/features.h
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@ -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.