Mercurial > hg > nginx
view auto/types/uintptr_t @ 8781:81d491f0dc8c quic
QUIC: unroll and inline ngx_quic_varint_len()/ngx_quic_build_int().
According to profiling, those two are among most frequently called,
so inlining is generally useful, and unrolling should help with it.
Further, this fixes undefined behaviour seen with invalid values.
Inspired by Yu Liu.
author | Sergey Kandaurov <pluknet@nginx.com> |
---|---|
date | Sat, 22 May 2021 18:40:45 +0300 |
parents | a616bdc38645 |
children |
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# Copyright (C) Igor Sysoev # Copyright (C) Nginx, Inc. echo $ngx_n "checking for uintptr_t ...$ngx_c" cat << END >> $NGX_AUTOCONF_ERR ---------------------------------------- checking for uintptr_t END found=no cat << END > $NGX_AUTOTEST.c #include <sys/types.h> $NGX_INCLUDE_INTTYPES_H int main(void) { uintptr_t i = 0; return (int) i; } END ngx_test="$CC $CC_TEST_FLAGS $CC_AUX_FLAGS \ -o $NGX_AUTOTEST $NGX_AUTOTEST.c $NGX_LD_OPT" eval "$ngx_test >> $NGX_AUTOCONF_ERR 2>&1" if [ -x $NGX_AUTOTEST ]; then echo " uintptr_t found" found=yes else echo $ngx_n " uintptr_t not found" $ngx_c fi rm -rf $NGX_AUTOTEST* if [ $found = no ]; then found="uint`expr 8 \* $ngx_ptr_size`_t" echo ", $found used" echo "typedef $found uintptr_t;" >> $NGX_AUTO_CONFIG_H echo "typedef $found intptr_t;" | sed -e 's/u//g' >> $NGX_AUTO_CONFIG_H fi