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Add fread(length) method #585

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Add fread(length) method #585

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26 changes: 26 additions & 0 deletions ext/spl/spl_directory.c
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Original file line number Diff line number Diff line change
Expand Up @@ -2848,6 +2848,27 @@ SPL_METHOD(SplFileObject, fwrite)
RETURN_LONG(php_stream_write(intern->u.file.stream, str, str_len));
} /* }}} */

SPL_METHOD(SplFileObject, fread)
{
spl_filesystem_object *intern = (spl_filesystem_object*)zend_object_store_get_object(getThis() TSRMLS_CC);
long length = 0;

if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &length) == FAILURE) {
return;
}

if (length <= 0) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Length parameter must be greater than 0");
RETURN_FALSE;
}

Z_STRVAL_P(return_value) = emalloc(length + 1);
Z_STRLEN_P(return_value) = php_stream_read(intern->u.file.stream, Z_STRVAL_P(return_value), length);

Z_STRVAL_P(return_value)[length] = 0;
Z_TYPE_P(return_value) = IS_STRING;
}

/* {{{ proto bool SplFileObject::fstat()
Stat() on a filehandle */
FileFunction(fstat)
Expand Down Expand Up @@ -2948,6 +2969,10 @@ ZEND_BEGIN_ARG_INFO_EX(arginfo_file_object_fwrite, 0, 0, 1)
ZEND_ARG_INFO(0, length)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_file_object_fread, 0, 0, 1)
ZEND_ARG_INFO(0, length)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_file_object_ftruncate, 0, 0, 1)
ZEND_ARG_INFO(0, size)
ZEND_END_ARG_INFO()
Expand Down Expand Up @@ -2975,6 +3000,7 @@ static const zend_function_entry spl_SplFileObject_functions[] = {
SPL_ME(SplFileObject, fgetss, arginfo_file_object_fgetss, ZEND_ACC_PUBLIC)
SPL_ME(SplFileObject, fscanf, arginfo_file_object_fscanf, ZEND_ACC_PUBLIC)
SPL_ME(SplFileObject, fwrite, arginfo_file_object_fwrite, ZEND_ACC_PUBLIC)
SPL_ME(SplFileObject, fread, arginfo_file_object_fread, ZEND_ACC_PUBLIC)
SPL_ME(SplFileObject, fstat, arginfo_splfileinfo_void, ZEND_ACC_PUBLIC)
SPL_ME(SplFileObject, ftruncate, arginfo_file_object_ftruncate, ZEND_ACC_PUBLIC)
SPL_ME(SplFileObject, current, arginfo_splfileinfo_void, ZEND_ACC_PUBLIC)
Expand Down
23 changes: 23 additions & 0 deletions ext/spl/tests/bug65545.phpt
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@@ -0,0 +1,23 @@
--TEST--
SplFileObject::fread function
--FILE--
<?php
$obj = new SplFileObject(__FILE__, 'r');
$data = $obj->fread(5);
var_dump($data);

$data = $obj->fread();
var_dump($data);

$data = $obj->fread(0);
var_dump($data);

?>
--EXPECTF--
string(5) "<?php"

Warning: SplFileObject::fread() expects exactly 1 parameter, 0 given in %s on line %d
NULL

Warning: SplFileObject::fread(): Length parameter must be greater than 0 in %s on line %d
bool(false)