view auto/types/sizeof @ 5920:7420068c4d4b

Resolver: fixed use-after-free memory access. In 954867a2f0a6, we switched to using resolver node as the timer event data, so make sure we do not free resolver node memory until the corresponding timer is deleted.
author Ruslan Ermilov <ru@nginx.com>
date Thu, 20 Nov 2014 15:24:40 +0300
parents 434548349838
children e11a8e7e8e0c
line wrap: on
line source


# Copyright (C) Igor Sysoev
# Copyright (C) Nginx, Inc.


echo $ngx_n "checking for $ngx_type size ...$ngx_c"

cat << END >> $NGX_AUTOCONF_ERR

----------------------------------------
checking for $ngx_type size

END

ngx_size=

cat << END > $NGX_AUTOTEST.c

#include <sys/types.h>
#include <sys/time.h>
$NGX_INCLUDE_UNISTD_H
#include <signal.h>
#include <stdio.h>
#include <sys/resource.h>
$NGX_INCLUDE_INTTYPES_H
$NGX_INCLUDE_AUTO_CONFIG_H

int main() {
    printf("%d", (int) sizeof($ngx_type));
    return 0;
}

END


ngx_test="$CC $CC_TEST_FLAGS $CC_AUX_FLAGS \
          -o $NGX_AUTOTEST $NGX_AUTOTEST.c $NGX_LD_OPT $ngx_feature_libs"

eval "$ngx_test >> $NGX_AUTOCONF_ERR 2>&1"


if [ -x $NGX_AUTOTEST ]; then
    ngx_size=`$NGX_AUTOTEST`
    echo " $ngx_size bytes"
fi


rm -rf $NGX_AUTOTEST*


case $ngx_size in
    4)
        if [ "$ngx_type"="long" ]; then
            ngx_max_value=2147483647L
        else
            ngx_max_value=2147483647
        fi

        ngx_max_len='(sizeof("-2147483648") - 1)'
    ;;

    8)
        if [ "$ngx_type"="long long" ]; then
            ngx_max_value=9223372036854775807LL
        else
            ngx_max_value=9223372036854775807L
        fi

        ngx_max_len='(sizeof("-9223372036854775808") - 1)'
    ;;

    *)
        echo
        echo "$0: error: can not detect $ngx_type size"

        echo "----------"    >> $NGX_AUTOCONF_ERR
        cat $NGX_AUTOTEST.c  >> $NGX_AUTOCONF_ERR
        echo "----------"    >> $NGX_AUTOCONF_ERR
        echo $ngx_test       >> $NGX_AUTOCONF_ERR
        echo "----------"    >> $NGX_AUTOCONF_ERR

        exit 1
esac