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oci8_interface.c
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/*
+----------------------------------------------------------------------+
| PHP Version 5 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2016 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 |
| [email protected] so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Authors: Stig Sæther Bakken <[email protected]> |
| Thies C. Arntzen <[email protected]> |
| |
| Collection support by Andy Sautins <[email protected]> |
| Temporary LOB support by David Benson <[email protected]> |
| ZTS per process OCIPLogon by Harald Radi <[email protected]> |
| |
| Redesigned by: Antony Dovgal <[email protected]> |
| Andi Gutmans <[email protected]> |
| Wez Furlong <[email protected]> |
+----------------------------------------------------------------------+
*/
/* $Id$ */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "php.h"
#include "ext/standard/info.h"
#include "php_ini.h"
#if HAVE_OCI8
#include "php_oci8.h"
#include "php_oci8_int.h"
#ifndef OCI_STMT_CALL
#define OCI_STMT_CALL 10
#endif
/* {{{ proto bool oci_define_by_name(resource stmt, string name, mixed &var [, int type])
Define a PHP variable to an Oracle column by name */
/* if you want to define a LOB/CLOB etc make sure you allocate it via OCINewDescriptor BEFORE defining!!! */
PHP_FUNCTION(oci_define_by_name)
{
zval *stmt, *var;
char *name;
int name_len;
long type = 0;
php_oci_statement *statement;
php_oci_define *define, *tmp_define;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rsz/|l", &stmt, &name, &name_len, &var, &type) == FAILURE) {
return;
}
if (!name_len) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Column name cannot be empty");
RETURN_FALSE;
}
PHP_OCI_ZVAL_TO_STATEMENT(stmt, statement);
if (statement->defines == NULL) {
ALLOC_HASHTABLE(statement->defines);
zend_hash_init(statement->defines, 13, NULL, php_oci_define_hash_dtor, 0);
}
define = ecalloc(1,sizeof(php_oci_define));
if (zend_hash_add(statement->defines, name, name_len, define, sizeof(php_oci_define), (void **)&tmp_define) == SUCCESS) {
efree(define);
define = tmp_define;
} else {
efree(define);
RETURN_FALSE;
}
define->name = (text*) estrndup(name, name_len);
define->name_len = name_len;
define->type = type;
define->zval = var;
zval_add_ref(&var);
RETURN_TRUE;
}
/* }}} */
/* {{{ proto bool oci_bind_by_name(resource stmt, string name, mixed &var, [, int maxlength [, int type]])
Bind a PHP variable to an Oracle placeholder by name */
/* if you want to bind a LOB/CLOB etc make sure you allocate it via OCINewDescriptor BEFORE binding!!! */
PHP_FUNCTION(oci_bind_by_name)
{
ub2 bind_type = SQLT_CHR; /* unterminated string */
int name_len;
long maxlen = -1, type = 0;
char *name;
zval *z_statement;
zval *bind_var = NULL;
php_oci_statement *statement;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rsz/|ll", &z_statement, &name, &name_len, &bind_var, &maxlen, &type) == FAILURE) {
return;
}
if (type) {
bind_type = (ub2) type;
}
PHP_OCI_ZVAL_TO_STATEMENT(z_statement, statement);
if (php_oci_bind_by_name(statement, name, name_len, bind_var, maxlen, bind_type TSRMLS_CC)) {
RETURN_FALSE;
}
RETURN_TRUE;
}
/* }}} */
/* {{{ proto bool oci_bind_array_by_name(resource stmt, string name, array &var, int max_table_length [, int max_item_length [, int type ]])
Bind a PHP array to an Oracle PL/SQL type by name */
PHP_FUNCTION(oci_bind_array_by_name)
{
int name_len;
long max_item_len = -1;
long max_array_len = 0;
long type = SQLT_AFC;
char *name;
zval *z_statement;
zval *bind_var = NULL;
php_oci_statement *statement;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rsz/l|ll", &z_statement, &name, &name_len, &bind_var, &max_array_len, &max_item_len, &type) == FAILURE) {
return;
}
PHP_OCI_ZVAL_TO_STATEMENT(z_statement, statement);
if (ZEND_NUM_ARGS() == 5 && max_item_len <= 0) {
max_item_len = -1;
}
if (max_array_len <= 0) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Maximum array length must be greater than zero");
RETURN_FALSE;
}
if (php_oci_bind_array_by_name(statement, name, name_len, bind_var, max_array_len, max_item_len, type TSRMLS_CC)) {
RETURN_FALSE;
}
RETURN_TRUE;
}
/* }}} */
/* {{{ proto bool oci_free_descriptor()
Deletes large object description */
PHP_FUNCTION(oci_free_descriptor)
{
zval **tmp, *z_descriptor = getThis();
php_oci_descriptor *descriptor;
if (!getThis()) {
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "O", &z_descriptor, oci_lob_class_entry_ptr) == FAILURE) {
return;
}
}
if (zend_hash_find(Z_OBJPROP_P(z_descriptor), "descriptor", sizeof("descriptor"), (void **)&tmp) == FAILURE) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to find descriptor property");
RETURN_FALSE;
}
PHP_OCI_ZVAL_TO_DESCRIPTOR(*tmp, descriptor);
zend_list_delete(descriptor->id);
RETURN_TRUE;
}
/* }}} */
/* {{{ proto bool oci_lob_save( string data [, int offset ])
Saves a large object */
PHP_FUNCTION(oci_lob_save)
{
zval **tmp, *z_descriptor = getThis();
php_oci_descriptor *descriptor;
char *data;
int data_len;
long offset = 0;
ub4 bytes_written;
if (getThis()) {
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|l", &data, &data_len, &offset) == FAILURE) {
return;
}
}
else {
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "Os|l", &z_descriptor, oci_lob_class_entry_ptr, &data, &data_len, &offset) == FAILURE) {
return;
}
}
if (zend_hash_find(Z_OBJPROP_P(z_descriptor), "descriptor", sizeof("descriptor"), (void **)&tmp) == FAILURE) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to find descriptor property");
RETURN_FALSE;
}
PHP_OCI_ZVAL_TO_DESCRIPTOR(*tmp, descriptor);
if (offset < 0) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Offset parameter must be greater than or equal to 0");
RETURN_FALSE;
}
if (php_oci_lob_write(descriptor, offset, data, data_len, &bytes_written TSRMLS_CC)) {
RETURN_FALSE;
}
RETURN_TRUE;
}
/* }}} */
/* {{{ proto bool oci_lob_import( string filename )
Loads file into a LOB */
PHP_FUNCTION(oci_lob_import)
{
zval **tmp, *z_descriptor = getThis();
php_oci_descriptor *descriptor;
char *filename;
int filename_len;
if (getThis()) {
#if (PHP_MAJOR_VERSION == 5 && PHP_MINOR_VERSION > 3) || (PHP_MAJOR_VERSION > 5)
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "p", &filename, &filename_len) == FAILURE) {
#else
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &filename, &filename_len) == FAILURE) {
#endif
return;
}
}
else {
#if (PHP_MAJOR_VERSION == 5 && PHP_MINOR_VERSION > 3) || (PHP_MAJOR_VERSION > 5)
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "Op", &z_descriptor, oci_lob_class_entry_ptr, &filename, &filename_len) == FAILURE) {
#else
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "Os", &z_descriptor, oci_lob_class_entry_ptr, &filename, &filename_len) == FAILURE) {
#endif
return;
}
}
#if (PHP_MAJOR_VERSION == 5 && PHP_MINOR_VERSION < 4) || (PHP_MAJOR_VERSION < 5)
/* The "p" parsing parameter handles this case in PHP 5.4+ */
if (strlen(filename) != filename_len) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Filename cannot contain null bytes");
RETURN_FALSE;
}
#endif
if (zend_hash_find(Z_OBJPROP_P(z_descriptor), "descriptor", sizeof("descriptor"), (void **)&tmp) == FAILURE) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to find descriptor property");
RETURN_FALSE;
}
PHP_OCI_ZVAL_TO_DESCRIPTOR(*tmp, descriptor);
if (php_oci_lob_import(descriptor, filename TSRMLS_CC)) {
RETURN_FALSE;
}
RETURN_TRUE;
}
/* }}} */
/* {{{ proto string oci_lob_load()
Loads a large object */
PHP_FUNCTION(oci_lob_load)
{
zval **tmp, *z_descriptor = getThis();
php_oci_descriptor *descriptor;
char *buffer = NULL;
ub4 buffer_len;
if (!getThis()) {
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "O", &z_descriptor, oci_lob_class_entry_ptr) == FAILURE) {
return;
}
}
if (zend_hash_find(Z_OBJPROP_P(z_descriptor), "descriptor", sizeof("descriptor"), (void **)&tmp) == FAILURE) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to find descriptor property");
RETURN_FALSE;
}
PHP_OCI_ZVAL_TO_DESCRIPTOR(*tmp, descriptor);
if (php_oci_lob_read(descriptor, -1, 0, &buffer, &buffer_len TSRMLS_CC)) {
RETURN_FALSE;
}
if (buffer_len > 0) {
RETURN_STRINGL(buffer, buffer_len, 0);
}
else {
RETURN_EMPTY_STRING();
}
}
/* }}} */
/* {{{ proto string oci_lob_read( int length )
Reads particular part of a large object */
PHP_FUNCTION(oci_lob_read)
{
zval **tmp, *z_descriptor = getThis();
php_oci_descriptor *descriptor;
long length;
char *buffer;
ub4 buffer_len;
if (getThis()) {
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &length) == FAILURE) {
return;
}
}
else {
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "Ol", &z_descriptor, oci_lob_class_entry_ptr, &length) == FAILURE) {
return;
}
}
if (zend_hash_find(Z_OBJPROP_P(z_descriptor), "descriptor", sizeof("descriptor"), (void **)&tmp) == FAILURE) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to find descriptor property");
RETURN_FALSE;
}
PHP_OCI_ZVAL_TO_DESCRIPTOR(*tmp, descriptor);
if (length <= 0) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Length parameter must be greater than 0");
RETURN_FALSE;
}
if (php_oci_lob_read(descriptor, length, descriptor->lob_current_position, &buffer, &buffer_len TSRMLS_CC)) {
RETURN_FALSE;
}
if (buffer_len > 0) {
RETURN_STRINGL(buffer, buffer_len, 0);
}
else {
RETURN_EMPTY_STRING();
}
}
/* }}} */
/* {{{ proto bool oci_lob_eof()
Checks if EOF is reached */
PHP_FUNCTION(oci_lob_eof)
{
zval **tmp, *z_descriptor = getThis();
php_oci_descriptor *descriptor;
ub4 lob_length;
if (!getThis()) {
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "O", &z_descriptor, oci_lob_class_entry_ptr) == FAILURE) {
return;
}
}
if (zend_hash_find(Z_OBJPROP_P(z_descriptor), "descriptor", sizeof("descriptor"), (void **)&tmp) == FAILURE) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to find descriptor property");
RETURN_FALSE;
}
PHP_OCI_ZVAL_TO_DESCRIPTOR(*tmp, descriptor);
if (!php_oci_lob_get_length(descriptor, &lob_length TSRMLS_CC)) {
if (lob_length == descriptor->lob_current_position) {
RETURN_TRUE;
}
}
RETURN_FALSE;
}
/* }}} */
/* {{{ proto int oci_lob_tell()
Tells LOB pointer position */
PHP_FUNCTION(oci_lob_tell)
{
zval **tmp, *z_descriptor = getThis();
php_oci_descriptor *descriptor;
if (!getThis()) {
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "O", &z_descriptor, oci_lob_class_entry_ptr) == FAILURE) {
return;
}
}
if (zend_hash_find(Z_OBJPROP_P(z_descriptor), "descriptor", sizeof("descriptor"), (void **)&tmp) == FAILURE) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to find descriptor property");
RETURN_FALSE;
}
PHP_OCI_ZVAL_TO_DESCRIPTOR(*tmp, descriptor);
RETURN_LONG(descriptor->lob_current_position);
}
/* }}} */
/* {{{ proto bool oci_lob_rewind()
Rewind pointer of a LOB */
PHP_FUNCTION(oci_lob_rewind)
{
zval **tmp, *z_descriptor = getThis();
php_oci_descriptor *descriptor;
if (!getThis()) {
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "O", &z_descriptor, oci_lob_class_entry_ptr) == FAILURE) {
return;
}
}
if (zend_hash_find(Z_OBJPROP_P(z_descriptor), "descriptor", sizeof("descriptor"), (void **)&tmp) == FAILURE) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to find descriptor property");
RETURN_FALSE;
}
PHP_OCI_ZVAL_TO_DESCRIPTOR(*tmp, descriptor);
descriptor->lob_current_position = 0;
RETURN_TRUE;
}
/* }}} */
/* {{{ proto bool oci_lob_seek( int offset [, int whence ])
Moves the pointer of a LOB */
PHP_FUNCTION(oci_lob_seek)
{
zval **tmp, *z_descriptor = getThis();
php_oci_descriptor *descriptor;
long offset, whence = PHP_OCI_SEEK_SET;
ub4 lob_length;
if (getThis()) {
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l|l", &offset, &whence) == FAILURE) {
return;
}
}
else {
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "Ol|l", &z_descriptor, oci_lob_class_entry_ptr, &offset, &whence) == FAILURE) {
return;
}
}
if (zend_hash_find(Z_OBJPROP_P(z_descriptor), "descriptor", sizeof("descriptor"), (void **)&tmp) == FAILURE) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to find descriptor property");
RETURN_FALSE;
}
PHP_OCI_ZVAL_TO_DESCRIPTOR(*tmp, descriptor);
if (php_oci_lob_get_length(descriptor, &lob_length TSRMLS_CC)) {
RETURN_FALSE;
}
switch(whence) {
case PHP_OCI_SEEK_CUR:
descriptor->lob_current_position += offset;
break;
case PHP_OCI_SEEK_END:
if ((descriptor->lob_size + offset) >= 0) {
descriptor->lob_current_position = descriptor->lob_size + offset;
}
else {
descriptor->lob_current_position = 0;
}
break;
case PHP_OCI_SEEK_SET:
default:
descriptor->lob_current_position = (offset > 0) ? offset : 0;
break;
}
RETURN_TRUE;
}
/* }}} */
/* {{{ proto int oci_lob_size()
Returns size of a large object */
PHP_FUNCTION(oci_lob_size)
{
zval **tmp, *z_descriptor = getThis();
php_oci_descriptor *descriptor;
ub4 lob_length;
if (!getThis()) {
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "O", &z_descriptor, oci_lob_class_entry_ptr) == FAILURE) {
return;
}
}
if (zend_hash_find(Z_OBJPROP_P(z_descriptor), "descriptor", sizeof("descriptor"), (void **)&tmp) == FAILURE) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to find descriptor property");
RETURN_FALSE;
}
PHP_OCI_ZVAL_TO_DESCRIPTOR(*tmp, descriptor);
if (php_oci_lob_get_length(descriptor, &lob_length TSRMLS_CC)) {
RETURN_FALSE;
}
RETURN_LONG(lob_length);
}
/* }}} */
/* {{{ proto int oci_lob_write( string string [, int length ])
Writes data to current position of a LOB */
PHP_FUNCTION(oci_lob_write)
{
zval **tmp, *z_descriptor = getThis();
php_oci_descriptor *descriptor;
int data_len;
long write_len = 0;
ub4 bytes_written;
char *data;
if (getThis()) {
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|l", &data, &data_len, &write_len) == FAILURE) {
return;
}
if (ZEND_NUM_ARGS() == 2) {
data_len = MIN(data_len, write_len);
}
}
else {
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "Os|l", &z_descriptor, oci_lob_class_entry_ptr, &data, &data_len, &write_len) == FAILURE) {
return;
}
if (ZEND_NUM_ARGS() == 3) {
data_len = MIN(data_len, write_len);
}
}
if (zend_hash_find(Z_OBJPROP_P(z_descriptor), "descriptor", sizeof("descriptor"), (void **)&tmp) == FAILURE) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to find descriptor property");
RETURN_FALSE;
}
PHP_OCI_ZVAL_TO_DESCRIPTOR(*tmp, descriptor);
if (data_len <= 0) {
RETURN_LONG(0);
}
if (php_oci_lob_write(descriptor, descriptor->lob_current_position, data, data_len, &bytes_written TSRMLS_CC)) {
RETURN_FALSE;
}
RETURN_LONG(bytes_written);
}
/* }}} */
/* {{{ proto bool oci_lob_append( object lob )
Appends data from a LOB to another LOB */
PHP_FUNCTION(oci_lob_append)
{
zval **tmp_dest, **tmp_from, *z_descriptor_dest = getThis(), *z_descriptor_from;
php_oci_descriptor *descriptor_dest, *descriptor_from;
if (getThis()) {
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "O", &z_descriptor_from, oci_lob_class_entry_ptr) == FAILURE) {
return;
}
}
else {
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "OO", &z_descriptor_dest, oci_lob_class_entry_ptr, &z_descriptor_from, oci_lob_class_entry_ptr) == FAILURE) {
return;
}
}
if (zend_hash_find(Z_OBJPROP_P(z_descriptor_dest), "descriptor", sizeof("descriptor"), (void **)&tmp_dest) == FAILURE) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to find descriptor property. The first argument should be valid descriptor object");
RETURN_FALSE;
}
if (zend_hash_find(Z_OBJPROP_P(z_descriptor_from), "descriptor", sizeof("descriptor"), (void **)&tmp_from) == FAILURE) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to find descriptor property. The second argument should be valid descriptor object");
RETURN_FALSE;
}
PHP_OCI_ZVAL_TO_DESCRIPTOR(*tmp_dest, descriptor_dest);
PHP_OCI_ZVAL_TO_DESCRIPTOR(*tmp_from, descriptor_from);
if (php_oci_lob_append(descriptor_dest, descriptor_from TSRMLS_CC)) {
RETURN_FALSE;
}
/* XXX should we increase lob_size here ? */
RETURN_TRUE;
}
/* }}} */
/* {{{ proto bool oci_lob_truncate( [ int length ])
Truncates a LOB */
PHP_FUNCTION(oci_lob_truncate)
{
zval **tmp, *z_descriptor = getThis();
php_oci_descriptor *descriptor;
long trim_length = 0;
ub4 ub_trim_length;
if (getThis()) {
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|l", &trim_length) == FAILURE) {
return;
}
}
else {
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "O|l", &z_descriptor, oci_lob_class_entry_ptr, &trim_length) == FAILURE) {
return;
}
}
if (zend_hash_find(Z_OBJPROP_P(z_descriptor), "descriptor", sizeof("descriptor"), (void **)&tmp) == FAILURE) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to find descriptor property");
RETURN_FALSE;
}
if (trim_length < 0) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Length must be greater than or equal to zero");
RETURN_FALSE;
}
ub_trim_length = (ub4) trim_length;
PHP_OCI_ZVAL_TO_DESCRIPTOR(*tmp, descriptor);
if (php_oci_lob_truncate(descriptor, ub_trim_length TSRMLS_CC)) {
RETURN_FALSE;
}
RETURN_TRUE;
}
/* }}} */
/* {{{ proto int oci_lob_erase( [ int offset [, int length ] ] )
Erases a specified portion of the internal LOB, starting at a specified offset */
PHP_FUNCTION(oci_lob_erase)
{
zval **tmp, *z_descriptor = getThis();
php_oci_descriptor *descriptor;
ub4 bytes_erased;
long offset = -1, length = -1;
if (getThis()) {
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|ll", &offset, &length) == FAILURE) {
return;
}
if (ZEND_NUM_ARGS() > 0 && offset < 0) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Offset must be greater than or equal to 0");
RETURN_FALSE;
}
if (ZEND_NUM_ARGS() > 1 && length < 0) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Length must be greater than or equal to 0");
RETURN_FALSE;
}
}
else {
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "O|ll", &z_descriptor, oci_lob_class_entry_ptr, &offset, &length) == FAILURE) {
return;
}
if (ZEND_NUM_ARGS() > 1 && offset < 0) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Offset must be greater than or equal to 0");
RETURN_FALSE;
}
if (ZEND_NUM_ARGS() > 2 && length < 0) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Length must be greater than or equal to 0");
RETURN_FALSE;
}
}
if (zend_hash_find(Z_OBJPROP_P(z_descriptor), "descriptor", sizeof("descriptor"), (void **)&tmp) == FAILURE) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to find descriptor property");
RETURN_FALSE;
}
PHP_OCI_ZVAL_TO_DESCRIPTOR(*tmp, descriptor);
if (php_oci_lob_erase(descriptor, offset, length, &bytes_erased TSRMLS_CC)) {
RETURN_FALSE;
}
RETURN_LONG(bytes_erased);
}
/* }}} */
/* {{{ proto bool oci_lob_flush( [ int flag ] )
Flushes the LOB buffer */
PHP_FUNCTION(oci_lob_flush)
{
zval **tmp, *z_descriptor = getThis();
php_oci_descriptor *descriptor;
long flush_flag = 0;
if (getThis()) {
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|l", &flush_flag) == FAILURE) {
return;
}
}
else {
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "O|l", &z_descriptor, oci_lob_class_entry_ptr, &flush_flag) == FAILURE) {
return;
}
}
if (zend_hash_find(Z_OBJPROP_P(z_descriptor), "descriptor", sizeof("descriptor"), (void **)&tmp) == FAILURE) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to find descriptor property");
RETURN_FALSE;
}
PHP_OCI_ZVAL_TO_DESCRIPTOR(*tmp, descriptor);
if (descriptor->buffering == PHP_OCI_LOB_BUFFER_DISABLED) {
/* buffering wasn't enabled, there is nothing to flush */
RETURN_FALSE;
}
if (php_oci_lob_flush(descriptor, flush_flag TSRMLS_CC)) {
RETURN_FALSE;
}
RETURN_TRUE;
}
/* }}} */
/* {{{ proto bool ocisetbufferinglob( boolean flag )
Enables/disables buffering for a LOB */
PHP_FUNCTION(ocisetbufferinglob)
{
zval **tmp, *z_descriptor = getThis();
php_oci_descriptor *descriptor;
zend_bool flag;
if (getThis()) {
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "b", &flag) == FAILURE) {
return;
}
}
else {
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "Ob", &z_descriptor, oci_lob_class_entry_ptr, &flag) == FAILURE) {
return;
}
}
if (zend_hash_find(Z_OBJPROP_P(z_descriptor), "descriptor", sizeof("descriptor"), (void **)&tmp) == FAILURE) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to find descriptor property");
RETURN_FALSE;
}
PHP_OCI_ZVAL_TO_DESCRIPTOR(*tmp, descriptor);
if (php_oci_lob_set_buffering(descriptor, flag TSRMLS_CC)) {
RETURN_FALSE;
}
RETURN_TRUE;
}
/* }}} */
/* {{{ proto bool ocigetbufferinglob()
Returns current state of buffering for a LOB */
PHP_FUNCTION(ocigetbufferinglob)
{
zval **tmp, *z_descriptor = getThis();
php_oci_descriptor *descriptor;
if (!getThis()) {
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "O", &z_descriptor, oci_lob_class_entry_ptr) == FAILURE) {
return;
}
}
if (zend_hash_find(Z_OBJPROP_P(z_descriptor), "descriptor", sizeof("descriptor"), (void **)&tmp) == FAILURE) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to find descriptor property");
RETURN_FALSE;
}
PHP_OCI_ZVAL_TO_DESCRIPTOR(*tmp, descriptor);
if (descriptor->buffering != PHP_OCI_LOB_BUFFER_DISABLED) {
RETURN_TRUE;
}
RETURN_FALSE;
}
/* }}} */
/* {{{ proto bool oci_lob_copy( object lob_to, object lob_from [, int length ] )
Copies data from a LOB to another LOB */
PHP_FUNCTION(oci_lob_copy)
{
zval **tmp_dest, **tmp_from, *z_descriptor_dest, *z_descriptor_from;
php_oci_descriptor *descriptor_dest, *descriptor_from;
long length = 0;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "OO|l", &z_descriptor_dest, oci_lob_class_entry_ptr, &z_descriptor_from, oci_lob_class_entry_ptr, &length) == FAILURE) {
return;
}
if (zend_hash_find(Z_OBJPROP_P(z_descriptor_dest), "descriptor", sizeof("descriptor"), (void **)&tmp_dest) == FAILURE) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to find descriptor property. The first argument should be valid descriptor object");
RETURN_FALSE;
}
if (zend_hash_find(Z_OBJPROP_P(z_descriptor_from), "descriptor", sizeof("descriptor"), (void **)&tmp_from) == FAILURE) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to find descriptor property. The second argument should be valid descriptor object");
RETURN_FALSE;
}
PHP_OCI_ZVAL_TO_DESCRIPTOR(*tmp_dest, descriptor_dest);
PHP_OCI_ZVAL_TO_DESCRIPTOR(*tmp_from, descriptor_from);
if (ZEND_NUM_ARGS() == 3 && length < 0) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Length parameter must be greater than 0");
RETURN_FALSE;
}
if (ZEND_NUM_ARGS() == 2) {
/* indicate that we want to copy from the current position to the end of the LOB */
length = -1;
}
if (php_oci_lob_copy(descriptor_dest, descriptor_from, length TSRMLS_CC)) {
RETURN_FALSE;
}
RETURN_TRUE;
}
/* }}} */
/* {{{ proto bool oci_lob_is_equal( object lob1, object lob2 )
Tests to see if two LOB/FILE locators are equal */
PHP_FUNCTION(oci_lob_is_equal)
{
zval **tmp_first, **tmp_second, *z_descriptor_first, *z_descriptor_second;
php_oci_descriptor *descriptor_first, *descriptor_second;
boolean is_equal;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "OO", &z_descriptor_first, oci_lob_class_entry_ptr, &z_descriptor_second, oci_lob_class_entry_ptr) == FAILURE) {
return;
}
if (zend_hash_find(Z_OBJPROP_P(z_descriptor_first), "descriptor", sizeof("descriptor"), (void **)&tmp_first) == FAILURE) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to find descriptor property. The first argument should be valid descriptor object");
RETURN_FALSE;
}
if (zend_hash_find(Z_OBJPROP_P(z_descriptor_second), "descriptor", sizeof("descriptor"), (void **)&tmp_second) == FAILURE) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to find descriptor property. The second argument should be valid descriptor object");
RETURN_FALSE;
}
PHP_OCI_ZVAL_TO_DESCRIPTOR(*tmp_first, descriptor_first);
PHP_OCI_ZVAL_TO_DESCRIPTOR(*tmp_second, descriptor_second);
if (php_oci_lob_is_equal(descriptor_first, descriptor_second, &is_equal TSRMLS_CC)) {
RETURN_FALSE;
}
if (is_equal == TRUE) {
RETURN_TRUE;
}
RETURN_FALSE;
}
/* }}} */
/* {{{ proto bool oci_lob_export([string filename [, int start [, int length]]])
Writes a large object into a file */
PHP_FUNCTION(oci_lob_export)
{
zval **tmp, *z_descriptor = getThis();
php_oci_descriptor *descriptor;
char *filename;
char *buffer;
int filename_len;
long start = -1, length = -1, block_length;
php_stream *stream;
ub4 lob_length;
if (getThis()) {
#if (PHP_MAJOR_VERSION == 5 && PHP_MINOR_VERSION > 3) || (PHP_MAJOR_VERSION > 5)
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "p|ll", &filename, &filename_len, &start, &length) == FAILURE) {
#else
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|ll", &filename, &filename_len, &start, &length) == FAILURE) {
#endif
return;
}
if (ZEND_NUM_ARGS() > 1 && start < 0) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Start parameter must be greater than or equal to 0");
RETURN_FALSE;
}
if (ZEND_NUM_ARGS() > 2 && length < 0) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Length parameter must be greater than or equal to 0");
RETURN_FALSE;
}
}
else {
#if (PHP_MAJOR_VERSION == 5 && PHP_MINOR_VERSION > 3) || (PHP_MAJOR_VERSION > 5)
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "Op|ll", &z_descriptor, oci_lob_class_entry_ptr, &filename, &filename_len, &start, &length) == FAILURE) {
#else
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "Os|ll", &z_descriptor, oci_lob_class_entry_ptr, &filename, &filename_len, &start, &length) == FAILURE) {
#endif
return;
}
if (ZEND_NUM_ARGS() > 2 && start < 0) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Start parameter must be greater than or equal to 0");
RETURN_FALSE;
}
if (ZEND_NUM_ARGS() > 3 && length < 0) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Length parameter must be greater than or equal to 0");
RETURN_FALSE;
}
}
#if (PHP_MAJOR_VERSION == 5 && PHP_MINOR_VERSION < 4) || (PHP_MAJOR_VERSION < 5)
/* The "p" parsing parameter handles this case in PHP 5.4+ */
if (strlen(filename) != filename_len) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Filename cannot contain null bytes");
RETURN_FALSE;
}
#endif
if (zend_hash_find(Z_OBJPROP_P(z_descriptor), "descriptor", sizeof("descriptor"), (void **)&tmp) == FAILURE) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to find descriptor property");
RETURN_FALSE;
}
PHP_OCI_ZVAL_TO_DESCRIPTOR(*tmp, descriptor);
if (php_oci_lob_get_length(descriptor, &lob_length TSRMLS_CC)) {
RETURN_FALSE;
}
if (start == -1) {
start = 0;
}
if (length == -1) {
length = lob_length - descriptor->lob_current_position;
}
if (length == 0) {
/* nothing to write, fail silently */
RETURN_FALSE;
}
#if (PHP_MAJOR_VERSION == 5 && PHP_MINOR_VERSION < 4) || (PHP_MAJOR_VERSION < 5)
/* Safe mode has been removed in PHP 5.4 */
if (PG(safe_mode) && (!php_checkuid(filename, NULL, CHECKUID_CHECK_FILE_AND_DIR))) {
RETURN_FALSE;
}
#endif
if (php_check_open_basedir(filename TSRMLS_CC)) {
RETURN_FALSE;
}
#if (PHP_MAJOR_VERSION == 5 && PHP_MINOR_VERSION > 3) || (PHP_MAJOR_VERSION > 5)
stream = php_stream_open_wrapper_ex(filename, "w", REPORT_ERRORS, NULL, NULL);
#else
stream = php_stream_open_wrapper_ex(filename, "w", ENFORCE_SAFE_MODE | REPORT_ERRORS, NULL, NULL);
#endif
block_length = PHP_OCI_LOB_BUFFER_SIZE;
if (block_length > length) {
block_length = length;
}
while(length > 0) {
ub4 tmp_bytes_read = 0;
if (php_oci_lob_read(descriptor, block_length, start, &buffer, &tmp_bytes_read TSRMLS_CC)) {
php_stream_close(stream);
RETURN_FALSE;
}
if (tmp_bytes_read && !php_stream_write(stream, buffer, tmp_bytes_read)) {
php_stream_close(stream);
efree(buffer);
RETURN_FALSE;
}
if (buffer) {
efree(buffer);
}
length -= tmp_bytes_read;
descriptor->lob_current_position += tmp_bytes_read;
start += tmp_bytes_read;
if (block_length > length) {
block_length = length;
}
}
php_stream_close(stream);