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echo $ngx_n "checking for $ngx_type printf() format ..." $ngx_c
echo >> $NGX_ERR
echo "checking for $ngx_type printf() format" >> $NGX_ERR
ngx_fmt=no
comma=
fmtX=
for fmt in $ngx_formats
do
cat << END > $NGX_AUTOTEST.c
int main() {
printf("$fmt", ($ngx_type) $ngx_max_value);
return 0;
}
END
eval "$CC_WARN $CC_TEST_FLAGS -o $NGX_AUTOTEST $NGX_AUTOTEST.c \
>> $NGX_ERR 2>&1"
max_value=`echo $ngx_max_value | sed -e "s/L*\$//"`
if [ -x $NGX_AUTOTEST ]; then
if [ "`$NGX_AUTOTEST`" = $max_value ]; then
ngx_fmt=$fmt
fi
fi
rm $NGX_AUTOTEST*
if [ $ngx_fmt != no ]; then
break
fi
fmtX=`echo $fmt | sed -e "s/d/X/"`
echo $ngx_n "$comma \"${fmtX}\" is not appropriate" $ngx_c
comma=","
done
if [ $ngx_fmt = no ]; then
echo "$0: error: printf() $ngx_type format not found"
exit 1
fi
if [ $ngx_ptr_size = 4 ]; then
fmtX="%0`expr 2 \* $ngx_ptr_size`"
else
fmtX="%"
fi
ngx_fmt=`echo $ngx_fmt | sed -e "s/d/X/" -e "s/^%/$fmtX/"`
echo "$comma \"${ngx_fmt}\" used"
cat << END >> $NGX_AUTO_CONFIG_H
#ifndef $ngx_fmt_name
#define $ngx_fmt_name "$ngx_fmt"
#endif
END
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