The barriers prevent the compiler from narrowing down the
possible value range of the mask and ~mask in the select
statements, which avoids the recognition of the select
and turning it into a conditional load or branch.
Reviewed-by: Paul Dale <paul.dale@oracle.com>
(Merged from https://github.com/openssl/openssl/pull/9418)
Expected usage pattern is to unconditionally set error and then
wipe it if there was no actual error.
Reviewed-by: Richard Levitte <levitte@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
(cherry picked from commit f658a3b64d8750642f4975090740865f770c2a1b)
Resolved conflicts:
crypto/err/err.c
(Merged from https://github.com/openssl/openssl/pull/7735)
This was done by the following
find . -name '*.[ch]' | /tmp/pl
where /tmp/pl is the following three-line script:
print unless $. == 1 && m@/\* .*\.[ch] \*/@;
close ARGV if eof; # Close file to reset $.
And then some hand-editing of other files.
Reviewed-by: Viktor Dukhovni <viktor@openssl.org>
Add macro ossl_inline for use in public headers where a portable inline
is required. Change existing inline to use ossl_inline
Reviewed-by: Kurt Roeckx <kurt@openssl.org>
There are header files in crypto/ that are used by the rest of
OpenSSL. Move those to include/internal and adapt the affected source
code, Makefiles and scripts.
The header files that got moved are:
crypto/constant_time_locl.h
crypto/o_dir.h
crypto/o_str.h
Reviewed-by: Matt Caswell <matt@openssl.org>
