mirror of
https://github.com/php/php-src.git
synced 2024-11-30 21:35:36 +08:00
90dcbbe3cb
bcmod() no longer truncates fractionals to integers. This matches the behavior of fmod(). It also matches the behavior of bcpowmod(). It also matches the behavior of bcmod() in HHVM.
607 lines
14 KiB
C
607 lines
14 KiB
C
/*
|
|
+----------------------------------------------------------------------+
|
|
| PHP Version 7 |
|
|
+----------------------------------------------------------------------+
|
|
| Copyright (c) 1997-2017 The PHP Group |
|
|
+----------------------------------------------------------------------+
|
|
| This source file is subject to version 3.01 of the PHP license, |
|
|
| that is bundled with this package in the file LICENSE, and is |
|
|
| available through the world-wide-web at the following url: |
|
|
| http://www.php.net/license/3_01.txt |
|
|
| If you did not receive a copy of the PHP license and are unable to |
|
|
| obtain it through the world-wide-web, please send a note to |
|
|
| license@php.net so we can mail you a copy immediately. |
|
|
+----------------------------------------------------------------------+
|
|
| Author: Andi Gutmans <andi@zend.com> |
|
|
+----------------------------------------------------------------------+
|
|
*/
|
|
|
|
/* $Id$ */
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
#include "config.h"
|
|
#endif
|
|
|
|
#include "php.h"
|
|
|
|
#if HAVE_BCMATH
|
|
|
|
#include "php_ini.h"
|
|
#include "ext/standard/info.h"
|
|
#include "php_bcmath.h"
|
|
#include "libbcmath/src/bcmath.h"
|
|
|
|
ZEND_DECLARE_MODULE_GLOBALS(bcmath)
|
|
static PHP_GINIT_FUNCTION(bcmath);
|
|
static PHP_GSHUTDOWN_FUNCTION(bcmath);
|
|
|
|
/* {{{ arginfo */
|
|
ZEND_BEGIN_ARG_INFO_EX(arginfo_bcadd, 0, 0, 2)
|
|
ZEND_ARG_INFO(0, left_operand)
|
|
ZEND_ARG_INFO(0, right_operand)
|
|
ZEND_ARG_INFO(0, scale)
|
|
ZEND_END_ARG_INFO()
|
|
|
|
ZEND_BEGIN_ARG_INFO_EX(arginfo_bcsub, 0, 0, 2)
|
|
ZEND_ARG_INFO(0, left_operand)
|
|
ZEND_ARG_INFO(0, right_operand)
|
|
ZEND_ARG_INFO(0, scale)
|
|
ZEND_END_ARG_INFO()
|
|
|
|
ZEND_BEGIN_ARG_INFO_EX(arginfo_bcmul, 0, 0, 2)
|
|
ZEND_ARG_INFO(0, left_operand)
|
|
ZEND_ARG_INFO(0, right_operand)
|
|
ZEND_ARG_INFO(0, scale)
|
|
ZEND_END_ARG_INFO()
|
|
|
|
ZEND_BEGIN_ARG_INFO_EX(arginfo_bcdiv, 0, 0, 2)
|
|
ZEND_ARG_INFO(0, left_operand)
|
|
ZEND_ARG_INFO(0, right_operand)
|
|
ZEND_ARG_INFO(0, scale)
|
|
ZEND_END_ARG_INFO()
|
|
|
|
ZEND_BEGIN_ARG_INFO(arginfo_bcmod, 0)
|
|
ZEND_ARG_INFO(0, left_operand)
|
|
ZEND_ARG_INFO(0, right_operand)
|
|
ZEND_END_ARG_INFO()
|
|
|
|
ZEND_BEGIN_ARG_INFO_EX(arginfo_bcpowmod, 0, 0, 3)
|
|
ZEND_ARG_INFO(0, x)
|
|
ZEND_ARG_INFO(0, y)
|
|
ZEND_ARG_INFO(0, mod)
|
|
ZEND_ARG_INFO(0, scale)
|
|
ZEND_END_ARG_INFO()
|
|
|
|
ZEND_BEGIN_ARG_INFO_EX(arginfo_bcpow, 0, 0, 2)
|
|
ZEND_ARG_INFO(0, x)
|
|
ZEND_ARG_INFO(0, y)
|
|
ZEND_ARG_INFO(0, scale)
|
|
ZEND_END_ARG_INFO()
|
|
|
|
ZEND_BEGIN_ARG_INFO_EX(arginfo_bcsqrt, 0, 0, 1)
|
|
ZEND_ARG_INFO(0, operand)
|
|
ZEND_ARG_INFO(0, scale)
|
|
ZEND_END_ARG_INFO()
|
|
|
|
ZEND_BEGIN_ARG_INFO_EX(arginfo_bccomp, 0, 0, 2)
|
|
ZEND_ARG_INFO(0, left_operand)
|
|
ZEND_ARG_INFO(0, right_operand)
|
|
ZEND_ARG_INFO(0, scale)
|
|
ZEND_END_ARG_INFO()
|
|
|
|
ZEND_BEGIN_ARG_INFO(arginfo_bcscale, 0)
|
|
ZEND_ARG_INFO(0, scale)
|
|
ZEND_END_ARG_INFO()
|
|
|
|
/* }}} */
|
|
|
|
const zend_function_entry bcmath_functions[] = {
|
|
PHP_FE(bcadd, arginfo_bcadd)
|
|
PHP_FE(bcsub, arginfo_bcsub)
|
|
PHP_FE(bcmul, arginfo_bcmul)
|
|
PHP_FE(bcdiv, arginfo_bcdiv)
|
|
PHP_FE(bcmod, arginfo_bcmod)
|
|
PHP_FE(bcpow, arginfo_bcpow)
|
|
PHP_FE(bcsqrt, arginfo_bcsqrt)
|
|
PHP_FE(bcscale, arginfo_bcscale)
|
|
PHP_FE(bccomp, arginfo_bccomp)
|
|
PHP_FE(bcpowmod, arginfo_bcpowmod)
|
|
PHP_FE_END
|
|
};
|
|
|
|
zend_module_entry bcmath_module_entry = {
|
|
STANDARD_MODULE_HEADER,
|
|
"bcmath",
|
|
bcmath_functions,
|
|
PHP_MINIT(bcmath),
|
|
PHP_MSHUTDOWN(bcmath),
|
|
NULL,
|
|
NULL,
|
|
PHP_MINFO(bcmath),
|
|
PHP_BCMATH_VERSION,
|
|
PHP_MODULE_GLOBALS(bcmath),
|
|
PHP_GINIT(bcmath),
|
|
PHP_GSHUTDOWN(bcmath),
|
|
NULL,
|
|
STANDARD_MODULE_PROPERTIES_EX
|
|
};
|
|
|
|
#ifdef COMPILE_DL_BCMATH
|
|
#ifdef ZTS
|
|
ZEND_TSRMLS_CACHE_DEFINE()
|
|
#endif
|
|
ZEND_GET_MODULE(bcmath)
|
|
#endif
|
|
|
|
/* {{{ PHP_INI */
|
|
PHP_INI_BEGIN()
|
|
STD_PHP_INI_ENTRY("bcmath.scale", "0", PHP_INI_ALL, OnUpdateLongGEZero, bc_precision, zend_bcmath_globals, bcmath_globals)
|
|
PHP_INI_END()
|
|
/* }}} */
|
|
|
|
/* {{{ PHP_GINIT_FUNCTION
|
|
*/
|
|
static PHP_GINIT_FUNCTION(bcmath)
|
|
{
|
|
#if defined(COMPILE_DL_BCMATH) && defined(ZTS)
|
|
ZEND_TSRMLS_CACHE_UPDATE();
|
|
#endif
|
|
bcmath_globals->bc_precision = 0;
|
|
bc_init_numbers();
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ PHP_GSHUTDOWN_FUNCTION
|
|
*/
|
|
static PHP_GSHUTDOWN_FUNCTION(bcmath)
|
|
{
|
|
_bc_free_num_ex(&bcmath_globals->_zero_, 1);
|
|
_bc_free_num_ex(&bcmath_globals->_one_, 1);
|
|
_bc_free_num_ex(&bcmath_globals->_two_, 1);
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ PHP_MINIT_FUNCTION
|
|
*/
|
|
PHP_MINIT_FUNCTION(bcmath)
|
|
{
|
|
REGISTER_INI_ENTRIES();
|
|
|
|
return SUCCESS;
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ PHP_MSHUTDOWN_FUNCTION
|
|
*/
|
|
PHP_MSHUTDOWN_FUNCTION(bcmath)
|
|
{
|
|
UNREGISTER_INI_ENTRIES();
|
|
|
|
return SUCCESS;
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ PHP_MINFO_FUNCTION
|
|
*/
|
|
PHP_MINFO_FUNCTION(bcmath)
|
|
{
|
|
php_info_print_table_start();
|
|
php_info_print_table_row(2, "BCMath support", "enabled");
|
|
php_info_print_table_end();
|
|
DISPLAY_INI_ENTRIES();
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ php_str2num
|
|
Convert to bc_num detecting scale */
|
|
static void php_str2num(bc_num *num, char *str)
|
|
{
|
|
char *p;
|
|
|
|
if (!(p = strchr(str, '.'))) {
|
|
bc_str2num(num, str, 0);
|
|
return;
|
|
}
|
|
|
|
bc_str2num(num, str, strlen(p+1));
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ split_bc_num
|
|
Convert to bc_num detecting scale */
|
|
static bc_num split_bc_num(bc_num num) {
|
|
bc_num newnum;
|
|
if (num->n_refs >= 1) {
|
|
return num;
|
|
}
|
|
newnum = _bc_new_num_ex(0, 0, 0);
|
|
*newnum = *num;
|
|
newnum->n_refs = 1;
|
|
num->n_refs--;
|
|
return newnum;
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto string bcadd(string left_operand, string right_operand [, int scale])
|
|
Returns the sum of two arbitrary precision numbers */
|
|
PHP_FUNCTION(bcadd)
|
|
{
|
|
zend_string *left, *right;
|
|
zend_long scale_param = 0;
|
|
bc_num first, second, result;
|
|
int scale = (int)BCG(bc_precision);
|
|
|
|
ZEND_PARSE_PARAMETERS_START(2, 3)
|
|
Z_PARAM_STR(left)
|
|
Z_PARAM_STR(right)
|
|
Z_PARAM_OPTIONAL
|
|
Z_PARAM_LONG(scale_param)
|
|
ZEND_PARSE_PARAMETERS_END();
|
|
|
|
if (ZEND_NUM_ARGS() == 3) {
|
|
scale = (int) (scale_param < 0 ? 0 : scale_param);
|
|
}
|
|
|
|
bc_init_num(&first);
|
|
bc_init_num(&second);
|
|
bc_init_num(&result);
|
|
php_str2num(&first, ZSTR_VAL(left));
|
|
php_str2num(&second, ZSTR_VAL(right));
|
|
bc_add (first, second, &result, scale);
|
|
|
|
if (result->n_scale > scale) {
|
|
result = split_bc_num(result);
|
|
result->n_scale = scale;
|
|
}
|
|
|
|
RETVAL_STR(bc_num2str(result));
|
|
bc_free_num(&first);
|
|
bc_free_num(&second);
|
|
bc_free_num(&result);
|
|
return;
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto string bcsub(string left_operand, string right_operand [, int scale])
|
|
Returns the difference between two arbitrary precision numbers */
|
|
PHP_FUNCTION(bcsub)
|
|
{
|
|
zend_string *left, *right;
|
|
zend_long scale_param = 0;
|
|
bc_num first, second, result;
|
|
int scale = (int)BCG(bc_precision);
|
|
|
|
ZEND_PARSE_PARAMETERS_START(2, 3)
|
|
Z_PARAM_STR(left)
|
|
Z_PARAM_STR(right)
|
|
Z_PARAM_OPTIONAL
|
|
Z_PARAM_LONG(scale_param)
|
|
ZEND_PARSE_PARAMETERS_END();
|
|
|
|
if (ZEND_NUM_ARGS() == 3) {
|
|
scale = (int) ((int)scale_param < 0 ? 0 : scale_param);
|
|
}
|
|
|
|
bc_init_num(&first);
|
|
bc_init_num(&second);
|
|
bc_init_num(&result);
|
|
php_str2num(&first, ZSTR_VAL(left));
|
|
php_str2num(&second, ZSTR_VAL(right));
|
|
bc_sub (first, second, &result, scale);
|
|
|
|
if (result->n_scale > scale) {
|
|
result = split_bc_num(result);
|
|
result->n_scale = scale;
|
|
}
|
|
|
|
RETVAL_STR(bc_num2str(result));
|
|
bc_free_num(&first);
|
|
bc_free_num(&second);
|
|
bc_free_num(&result);
|
|
return;
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto string bcmul(string left_operand, string right_operand [, int scale])
|
|
Returns the multiplication of two arbitrary precision numbers */
|
|
PHP_FUNCTION(bcmul)
|
|
{
|
|
zend_string *left, *right;
|
|
zend_long scale_param = 0;
|
|
bc_num first, second, result;
|
|
int scale = (int)BCG(bc_precision);
|
|
|
|
ZEND_PARSE_PARAMETERS_START(2, 3)
|
|
Z_PARAM_STR(left)
|
|
Z_PARAM_STR(right)
|
|
Z_PARAM_OPTIONAL
|
|
Z_PARAM_LONG(scale_param)
|
|
ZEND_PARSE_PARAMETERS_END();
|
|
|
|
if (ZEND_NUM_ARGS() == 3) {
|
|
scale = (int) ((int)scale_param < 0 ? 0 : scale_param);
|
|
}
|
|
|
|
bc_init_num(&first);
|
|
bc_init_num(&second);
|
|
bc_init_num(&result);
|
|
php_str2num(&first, ZSTR_VAL(left));
|
|
php_str2num(&second, ZSTR_VAL(right));
|
|
bc_multiply (first, second, &result, scale);
|
|
|
|
if (result->n_scale > scale) {
|
|
result = split_bc_num(result);
|
|
result->n_scale = scale;
|
|
}
|
|
|
|
RETVAL_STR(bc_num2str(result));
|
|
bc_free_num(&first);
|
|
bc_free_num(&second);
|
|
bc_free_num(&result);
|
|
return;
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto string bcdiv(string left_operand, string right_operand [, int scale])
|
|
Returns the quotient of two arbitrary precision numbers (division) */
|
|
PHP_FUNCTION(bcdiv)
|
|
{
|
|
zend_string *left, *right;
|
|
zend_long scale_param = 0;
|
|
bc_num first, second, result;
|
|
int scale = (int)BCG(bc_precision);
|
|
|
|
ZEND_PARSE_PARAMETERS_START(2, 3)
|
|
Z_PARAM_STR(left)
|
|
Z_PARAM_STR(right)
|
|
Z_PARAM_OPTIONAL
|
|
Z_PARAM_LONG(scale_param)
|
|
ZEND_PARSE_PARAMETERS_END();
|
|
|
|
if (ZEND_NUM_ARGS() == 3) {
|
|
scale = (int) ((int)scale_param < 0 ? 0 : scale_param);
|
|
}
|
|
|
|
bc_init_num(&first);
|
|
bc_init_num(&second);
|
|
bc_init_num(&result);
|
|
php_str2num(&first, ZSTR_VAL(left));
|
|
php_str2num(&second, ZSTR_VAL(right));
|
|
|
|
switch (bc_divide(first, second, &result, scale)) {
|
|
case 0: /* OK */
|
|
if (result->n_scale > scale) {
|
|
result = split_bc_num(result);
|
|
result->n_scale = scale;
|
|
}
|
|
RETVAL_STR(bc_num2str(result));
|
|
break;
|
|
case -1: /* division by zero */
|
|
php_error_docref(NULL, E_WARNING, "Division by zero");
|
|
break;
|
|
}
|
|
|
|
bc_free_num(&first);
|
|
bc_free_num(&second);
|
|
bc_free_num(&result);
|
|
return;
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto string bcmod(string left_operand, string right_operand)
|
|
Returns the modulus of the two arbitrary precision operands */
|
|
PHP_FUNCTION(bcmod)
|
|
{
|
|
zend_string *left, *right;
|
|
bc_num first, second, result;
|
|
|
|
ZEND_PARSE_PARAMETERS_START(2, 2)
|
|
Z_PARAM_STR(left)
|
|
Z_PARAM_STR(right)
|
|
ZEND_PARSE_PARAMETERS_END();
|
|
|
|
bc_init_num(&first);
|
|
bc_init_num(&second);
|
|
bc_init_num(&result);
|
|
php_str2num(&first, ZSTR_VAL(left));
|
|
php_str2num(&second, ZSTR_VAL(right));
|
|
|
|
switch (bc_modulo(first, second, &result, 0)) {
|
|
case 0:
|
|
RETVAL_STR(bc_num2str(result));
|
|
break;
|
|
case -1:
|
|
php_error_docref(NULL, E_WARNING, "Division by zero");
|
|
break;
|
|
}
|
|
|
|
bc_free_num(&first);
|
|
bc_free_num(&second);
|
|
bc_free_num(&result);
|
|
return;
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto string bcpowmod(string x, string y, string mod [, int scale])
|
|
Returns the value of an arbitrary precision number raised to the power of another reduced by a modulous */
|
|
PHP_FUNCTION(bcpowmod)
|
|
{
|
|
zend_string *left, *right, *modulous;
|
|
bc_num first, second, mod, result;
|
|
zend_long scale = BCG(bc_precision);
|
|
int scale_int;
|
|
|
|
ZEND_PARSE_PARAMETERS_START(3, 4)
|
|
Z_PARAM_STR(left)
|
|
Z_PARAM_STR(right)
|
|
Z_PARAM_STR(modulous)
|
|
Z_PARAM_OPTIONAL
|
|
Z_PARAM_LONG(scale)
|
|
ZEND_PARSE_PARAMETERS_END();
|
|
|
|
bc_init_num(&first);
|
|
bc_init_num(&second);
|
|
bc_init_num(&mod);
|
|
bc_init_num(&result);
|
|
php_str2num(&first, ZSTR_VAL(left));
|
|
php_str2num(&second, ZSTR_VAL(right));
|
|
php_str2num(&mod, ZSTR_VAL(modulous));
|
|
|
|
scale_int = (int) ((int)scale < 0 ? 0 : scale);
|
|
|
|
if (bc_raisemod(first, second, mod, &result, scale_int) != -1) {
|
|
if (result->n_scale > scale_int) {
|
|
result = split_bc_num(result);
|
|
result->n_scale = scale_int;
|
|
}
|
|
RETVAL_STR(bc_num2str(result));
|
|
} else {
|
|
RETVAL_FALSE;
|
|
}
|
|
|
|
bc_free_num(&first);
|
|
bc_free_num(&second);
|
|
bc_free_num(&mod);
|
|
bc_free_num(&result);
|
|
return;
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto string bcpow(string x, string y [, int scale])
|
|
Returns the value of an arbitrary precision number raised to the power of another */
|
|
PHP_FUNCTION(bcpow)
|
|
{
|
|
zend_string *left, *right;
|
|
zend_long scale_param = 0;
|
|
bc_num first, second, result;
|
|
int scale = (int)BCG(bc_precision);
|
|
|
|
ZEND_PARSE_PARAMETERS_START(2, 3)
|
|
Z_PARAM_STR(left)
|
|
Z_PARAM_STR(right)
|
|
Z_PARAM_OPTIONAL
|
|
Z_PARAM_LONG(scale_param)
|
|
ZEND_PARSE_PARAMETERS_END();
|
|
|
|
if (ZEND_NUM_ARGS() == 3) {
|
|
scale = (int) ((int)scale_param < 0 ? 0 : scale_param);
|
|
}
|
|
|
|
bc_init_num(&first);
|
|
bc_init_num(&second);
|
|
bc_init_num(&result);
|
|
php_str2num(&first, ZSTR_VAL(left));
|
|
php_str2num(&second, ZSTR_VAL(right));
|
|
bc_raise (first, second, &result, scale);
|
|
|
|
if (result->n_scale > scale) {
|
|
result = split_bc_num(result);
|
|
result->n_scale = scale;
|
|
}
|
|
|
|
RETVAL_STR(bc_num2str(result));
|
|
bc_free_num(&first);
|
|
bc_free_num(&second);
|
|
bc_free_num(&result);
|
|
return;
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto string bcsqrt(string operand [, int scale])
|
|
Returns the square root of an arbitray precision number */
|
|
PHP_FUNCTION(bcsqrt)
|
|
{
|
|
zend_string *left;
|
|
zend_long scale_param = 0;
|
|
bc_num result;
|
|
int scale = (int)BCG(bc_precision);
|
|
|
|
ZEND_PARSE_PARAMETERS_START(1, 2)
|
|
Z_PARAM_STR(left)
|
|
Z_PARAM_OPTIONAL
|
|
Z_PARAM_LONG(scale_param)
|
|
ZEND_PARSE_PARAMETERS_END();
|
|
|
|
if (ZEND_NUM_ARGS() == 2) {
|
|
scale = (int) ((int)scale_param < 0 ? 0 : scale_param);
|
|
}
|
|
|
|
bc_init_num(&result);
|
|
php_str2num(&result, ZSTR_VAL(left));
|
|
|
|
if (bc_sqrt (&result, scale) != 0) {
|
|
if (result->n_scale > scale) {
|
|
result = split_bc_num(result);
|
|
result->n_scale = scale;
|
|
}
|
|
RETVAL_STR(bc_num2str(result));
|
|
} else {
|
|
php_error_docref(NULL, E_WARNING, "Square root of negative number");
|
|
}
|
|
|
|
bc_free_num(&result);
|
|
return;
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto int bccomp(string left_operand, string right_operand [, int scale])
|
|
Compares two arbitrary precision numbers */
|
|
PHP_FUNCTION(bccomp)
|
|
{
|
|
zend_string *left, *right;
|
|
zend_long scale_param = 0;
|
|
bc_num first, second;
|
|
int scale = (int)BCG(bc_precision);
|
|
|
|
ZEND_PARSE_PARAMETERS_START(2, 3)
|
|
Z_PARAM_STR(left)
|
|
Z_PARAM_STR(right)
|
|
Z_PARAM_OPTIONAL
|
|
Z_PARAM_LONG(scale_param)
|
|
ZEND_PARSE_PARAMETERS_END();
|
|
|
|
if (ZEND_NUM_ARGS() == 3) {
|
|
scale = (int) ((int)scale_param < 0 ? 0 : scale_param);
|
|
}
|
|
|
|
bc_init_num(&first);
|
|
bc_init_num(&second);
|
|
|
|
bc_str2num(&first, ZSTR_VAL(left), scale);
|
|
bc_str2num(&second, ZSTR_VAL(right), scale);
|
|
RETVAL_LONG(bc_compare(first, second));
|
|
|
|
bc_free_num(&first);
|
|
bc_free_num(&second);
|
|
return;
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto bool bcscale(int scale)
|
|
Sets default scale parameter for all bc math functions */
|
|
PHP_FUNCTION(bcscale)
|
|
{
|
|
zend_long new_scale;
|
|
|
|
ZEND_PARSE_PARAMETERS_START(1, 1)
|
|
Z_PARAM_LONG(new_scale)
|
|
ZEND_PARSE_PARAMETERS_END();
|
|
|
|
BCG(bc_precision) = ((int)new_scale < 0) ? 0 : new_scale;
|
|
|
|
RETURN_TRUE;
|
|
}
|
|
/* }}} */
|
|
|
|
|
|
#endif
|
|
|
|
/*
|
|
* Local variables:
|
|
* tab-width: 4
|
|
* c-basic-offset: 4
|
|
* End:
|
|
* vim600: sw=4 ts=4 fdm=marker
|
|
* vim<600: sw=4 ts=4
|
|
*/
|