[openssl-dev] [openssl.org #4154] [PATCH] BIO mem read optimization

[Kirill Marinushkin via RT]

2 BIO_s_mem issues solved:
- BIO mem read without reallocation - reading by parts becomes faster;
- flag added to rewind read write BIO mem on reset.

OpenSSL self-test report:

OpenSSL version:  1.1.0-dev
Last change:      State machine rewrite. The state machine code has been ...
Options:          -march=pentium -Wa,--noexecstack no-deprecated
no-ec_nistp_64_gcc_128 no-gmp no-jpake no-md2 no-rc5 no-sctp no-shared
no-ssl-trace no-store no-unit-test no-zlib no-zlib-dynamic static-engine
OS (uname):       Linux kirill-Lenovo-B570e 3.13.0-68-generic #111-Ubuntu
SMP Fri Nov 6 18:18:09 UTC 2015 i686 i686 i686 GNU/Linux
OS (config):      i686-whatever-linux2
Target (default): linux-elf
Target:           linux-elf
Compiler:         Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/usr/lib/gcc/i686-linux-gnu/4.8/lto-wrapper
Target: i686-linux-gnu
Configured with: ../src/configure -v --with-pkgversion='Ubuntu
4.8.4-2ubuntu1~14.04'
--with-bugurl=file:///usr/share/doc/gcc-4.8/README.Bugs
--enable-languages=c,c++,java,go,d,fortran,objc,obj-c++ --prefix=/usr
--program-suffix=-4.8 --enable-shared --enable-linker-build-id
--libexecdir=/usr/lib --without-included-gettext --enable-threads=posix
--with-gxx-include-dir=/usr/include/c++/4.8 --libdir=/usr/lib --enable-nls
--with-sysroot=/ --enable-clocale=gnu --enable-libstdcxx-debug
--enable-libstdcxx-time=yes --enable-gnu-unique-object --disable-libmudflap
--enable-plugin --with-system-zlib --disable-browser-plugin
--enable-java-awt=gtk --enable-gtk-cairo
--with-java-home=/usr/lib/jvm/java-1.5.0-gcj-4.8-i386/jre
--enable-java-home --with-jvm-root-dir=/usr/lib/jvm/java-1.5.0-gcj-4.8-i386
--with-jvm-jar-dir=/usr/lib/jvm-exports/java-1.5.0-gcj-4.8-i386
--with-arch-directory=i386 --with-ecj-jar=/usr/share/java/eclipse-ecj.jar
--enable-objc-gc --enable-targets=all --enable-multiarch --disable-werror
--with-arch-32=i686 --with-multilib-list=m32,m64,mx32 --with-tune=generic
--enable-checking=release --build=i686-linux-gnu --host=i686-linux-gnu
--target=i686-linux-gnu
Thread model: posix
gcc version 4.8.4 (Ubuntu 4.8.4-2ubuntu1~14.04)

Test passed.

-- 
Best Regards,
Kirill Marinushkin

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