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oci8_interface.c
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/*
+----------------------------------------------------------------------+
| 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 |
| [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]> |
+----------------------------------------------------------------------+
*/
#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_register_taf_callback( resource connection [, mixed callback] )
Register a callback function for Oracle Transparent Application Failover (TAF) */
PHP_FUNCTION(oci_register_taf_callback)
{
zval *z_connection;
php_oci_connection *connection;
zval *callback;
zend_string *callback_name;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "r|z!", &z_connection, &callback) == FAILURE) {
return;
}
if (callback) {
#if PHP_MAJOR_VERSION > 7 || (PHP_MAJOR_VERSION == 7 && PHP_MINOR_VERSION >= 2)
if (!zend_is_callable(callback, 0, 0)) {
callback_name = zend_get_callable_name(callback);
php_error_docref(NULL, E_WARNING, "function '%s' is not callable", ZSTR_VAL(callback_name));
zend_string_release(callback_name);
RETURN_FALSE;
}
#else
if (!zend_is_callable(callback, 0, &callback_name)) {
php_error_docref(NULL, E_WARNING, "function '%s' is not callable", ZSTR_VAL(callback_name));
zend_string_release(callback_name);
RETURN_FALSE;
}
zend_string_release(callback_name);
#endif
}
PHP_OCI_ZVAL_TO_CONNECTION(z_connection, connection);
if (php_oci_register_taf_callback(connection, callback) == 0) {
RETURN_TRUE;
} else {
RETURN_FALSE;
}
}
/* }}} */
/* {{{ proto bool oci_unregister_taf_callback( resource connection )
* Unregister a callback function for Oracle Transparent Application Failover (TAF) */
PHP_FUNCTION(oci_unregister_taf_callback)
{
zval *z_connection;
php_oci_connection *connection;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "r", &z_connection) == FAILURE) {
return;
}
PHP_OCI_ZVAL_TO_CONNECTION(z_connection, connection);
if (php_oci_unregister_taf_callback(connection) == 0) {
RETURN_TRUE;
} else {
RETURN_FALSE;
}
}
/* }}} */
/* {{{ 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;
size_t name_len;
zend_long type = 0;
php_oci_statement *statement;
php_oci_define *define;
zend_string *zvtmp;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "rsz/|l", &stmt, &name, &name_len, &var, &type) == FAILURE) {
return;
}
if (!name_len) {
php_error_docref(NULL, 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);
}
else if (zend_hash_str_exists(statement->defines, (const char *)name, name_len)) {
RETURN_FALSE;
}
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) { */
zvtmp = zend_string_init(name, name_len, 0);
if ((define = zend_hash_add_new_ptr(statement->defines, zvtmp, define)) != NULL) {
zend_string_release(zvtmp);
} else {
efree(define);
zend_string_release(zvtmp);
RETURN_FALSE;
}
define->name = (text*) ecalloc(1, name_len+1);
memcpy(define->name, name, name_len);
define->name[name_len] = '\0';
define->name_len = (ub4) name_len;
define->type = (ub4) type;
define->zval = 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 */
size_t name_len;
zend_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(), "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)) {
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)
{
size_t name_len;
zend_long max_item_len = -1;
zend_long max_array_len = 0;
zend_long type = SQLT_AFC;
char *name;
zval *z_statement;
zval *bind_var = NULL;
php_oci_statement *statement;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "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, E_WARNING, "Maximum array length must be greater than zero");
RETURN_FALSE;
}
if (php_oci_bind_array_by_name(statement, name, (sb4) name_len, bind_var, max_array_len, max_item_len, type)) {
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(), "O", &z_descriptor, oci_lob_class_entry_ptr) == FAILURE) {
return;
}
}
if ((tmp = zend_hash_str_find(Z_OBJPROP_P(z_descriptor), "descriptor", sizeof("descriptor")-1)) == NULL) {
php_error_docref(NULL, E_WARNING, "Unable to find descriptor property");
RETURN_FALSE;
}
PHP_OCI_ZVAL_TO_DESCRIPTOR(tmp, descriptor);
zend_list_close(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;
size_t data_len;
zend_long offset = 0;
ub4 bytes_written;
if (getThis()) {
if (zend_parse_parameters(ZEND_NUM_ARGS(), "s|l", &data, &data_len, &offset) == FAILURE) {
return;
}
}
else {
if (zend_parse_parameters(ZEND_NUM_ARGS(), "Os|l", &z_descriptor, oci_lob_class_entry_ptr, &data, &data_len, &offset) == FAILURE) {
return;
}
}
if ((tmp = zend_hash_str_find(Z_OBJPROP_P(z_descriptor), "descriptor", sizeof("descriptor")-1)) == NULL) {
php_error_docref(NULL, E_WARNING, "Unable to find descriptor property");
RETURN_FALSE;
}
PHP_OCI_ZVAL_TO_DESCRIPTOR(tmp, descriptor);
if (offset < 0) {
php_error_docref(NULL, E_WARNING, "Offset parameter must be greater than or equal to 0");
RETURN_FALSE;
}
if (php_oci_lob_write(descriptor, (ub4) offset, data, (ub4) data_len, &bytes_written)) {
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;
size_t filename_len;
if (getThis()) {
if (zend_parse_parameters(ZEND_NUM_ARGS(), "p", &filename, &filename_len) == FAILURE) {
return;
}
}
else {
if (zend_parse_parameters(ZEND_NUM_ARGS(), "Op", &z_descriptor, oci_lob_class_entry_ptr, &filename, &filename_len) == FAILURE) {
return;
}
}
if ((tmp = zend_hash_str_find(Z_OBJPROP_P(z_descriptor), "descriptor", sizeof("descriptor")-1)) == NULL) {
php_error_docref(NULL, E_WARNING, "Unable to find descriptor property");
RETURN_FALSE;
}
PHP_OCI_ZVAL_TO_DESCRIPTOR(tmp, descriptor);
if (php_oci_lob_import(descriptor, filename)) {
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(), "O", &z_descriptor, oci_lob_class_entry_ptr) == FAILURE) {
return;
}
}
if ((tmp = zend_hash_str_find(Z_OBJPROP_P(z_descriptor), "descriptor", sizeof("descriptor")-1)) == NULL) {
php_error_docref(NULL, 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)) {
RETURN_FALSE;
}
if (buffer_len > 0) {
zend_string *ret = zend_string_init(buffer, buffer_len, 0);
if (buffer)
efree(buffer);
RETURN_STR(ret);
}
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;
zend_long length;
char *buffer;
ub4 buffer_len;
if (getThis()) {
if (zend_parse_parameters(ZEND_NUM_ARGS(), "l", &length) == FAILURE) {
return;
}
}
else {
if (zend_parse_parameters(ZEND_NUM_ARGS(), "Ol", &z_descriptor, oci_lob_class_entry_ptr, &length) == FAILURE) {
return;
}
}
if ((tmp = zend_hash_str_find(Z_OBJPROP_P(z_descriptor), "descriptor", sizeof("descriptor")-1)) == NULL) {
php_error_docref(NULL, E_WARNING, "Unable to find descriptor property");
RETURN_FALSE;
}
PHP_OCI_ZVAL_TO_DESCRIPTOR(tmp, descriptor);
if (length <= 0) {
php_error_docref(NULL, 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)) {
RETURN_FALSE;
}
if (buffer_len > 0) {
zend_string *ret = zend_string_init(buffer, buffer_len, 0);
efree(buffer);
RETURN_STR(ret);
}
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(), "O", &z_descriptor, oci_lob_class_entry_ptr) == FAILURE) {
return;
}
}
if ((tmp = zend_hash_str_find(Z_OBJPROP_P(z_descriptor), "descriptor", sizeof("descriptor")-1)) == NULL) {
php_error_docref(NULL, 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)) {
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(), "O", &z_descriptor, oci_lob_class_entry_ptr) == FAILURE) {
return;
}
}
if ((tmp = zend_hash_str_find(Z_OBJPROP_P(z_descriptor), "descriptor", sizeof("descriptor")-1)) == NULL) {
php_error_docref(NULL, 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(), "O", &z_descriptor, oci_lob_class_entry_ptr) == FAILURE) {
return;
}
}
if ((tmp = zend_hash_str_find(Z_OBJPROP_P(z_descriptor), "descriptor", sizeof("descriptor")-1)) == NULL) {
php_error_docref(NULL, 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;
zend_long offset, whence = PHP_OCI_SEEK_SET;
ub4 lob_length;
if (getThis()) {
if (zend_parse_parameters(ZEND_NUM_ARGS(), "l|l", &offset, &whence) == FAILURE) {
return;
}
}
else {
if (zend_parse_parameters(ZEND_NUM_ARGS(), "Ol|l", &z_descriptor, oci_lob_class_entry_ptr, &offset, &whence) == FAILURE) {
return;
}
}
if ((tmp = zend_hash_str_find(Z_OBJPROP_P(z_descriptor), "descriptor", sizeof("descriptor")-1)) == NULL) {
php_error_docref(NULL, 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)) {
RETURN_FALSE;
}
switch(whence) {
case PHP_OCI_SEEK_CUR:
descriptor->lob_current_position += (ub4) offset;
break;
case PHP_OCI_SEEK_END:
if ((descriptor->lob_size + offset) >= 0) {
descriptor->lob_current_position = descriptor->lob_size + (ub4) offset;
}
else {
descriptor->lob_current_position = 0;
}
break;
case PHP_OCI_SEEK_SET:
default:
descriptor->lob_current_position = (offset > 0) ? (ub4) offset : 0;
break;
}
if (descriptor->lob_current_position > UB4MAXVAL) {
php_error_docref(NULL, E_WARNING, "Invalid offset or LOB position");
RETURN_FALSE;
}
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(), "O", &z_descriptor, oci_lob_class_entry_ptr) == FAILURE) {
return;
}
}
if ((tmp = zend_hash_str_find(Z_OBJPROP_P(z_descriptor), "descriptor", sizeof("descriptor")-1)) == NULL) {
php_error_docref(NULL, 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)) {
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;
size_t data_len;
zend_long write_len = 0;
ub4 bytes_written;
char *data;
if (getThis()) {
if (zend_parse_parameters(ZEND_NUM_ARGS(), "s|l", &data, &data_len, &write_len) == FAILURE) {
return;
}
if (ZEND_NUM_ARGS() == 2) {
data_len = MIN((zend_long) data_len, write_len);
}
}
else {
if (zend_parse_parameters(ZEND_NUM_ARGS(), "Os|l", &z_descriptor, oci_lob_class_entry_ptr, &data, &data_len, &write_len) == FAILURE) {
return;
}
if (ZEND_NUM_ARGS() == 3) {
data_len = MIN((zend_long) data_len, write_len);
}
}
if ((tmp = zend_hash_str_find(Z_OBJPROP_P(z_descriptor), "descriptor", sizeof("descriptor")-1)) == NULL) {
php_error_docref(NULL, 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, (ub4) data_len, &bytes_written)) {
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(), "O", &z_descriptor_from, oci_lob_class_entry_ptr) == FAILURE) {
return;
}
}
else {
if (zend_parse_parameters(ZEND_NUM_ARGS(), "OO", &z_descriptor_dest, oci_lob_class_entry_ptr, &z_descriptor_from, oci_lob_class_entry_ptr) == FAILURE) {
return;
}
}
if ((tmp_dest = zend_hash_str_find(Z_OBJPROP_P(z_descriptor_dest), "descriptor", sizeof("descriptor")-1)) == NULL) {
php_error_docref(NULL, E_WARNING, "Unable to find descriptor property. The first argument should be valid descriptor object");
RETURN_FALSE;
}
if ((tmp_from = zend_hash_str_find(Z_OBJPROP_P(z_descriptor_from), "descriptor", sizeof("descriptor")-1)) == NULL) {
php_error_docref(NULL, 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)) {
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;
zend_long trim_length = 0;
ub4 ub_trim_length;
if (getThis()) {
if (zend_parse_parameters(ZEND_NUM_ARGS(), "|l", &trim_length) == FAILURE) {
return;
}
}
else {
if (zend_parse_parameters(ZEND_NUM_ARGS(), "O|l", &z_descriptor, oci_lob_class_entry_ptr, &trim_length) == FAILURE) {
return;
}
}
if ((tmp = zend_hash_str_find(Z_OBJPROP_P(z_descriptor), "descriptor", sizeof("descriptor")-1)) == NULL) {
php_error_docref(NULL, E_WARNING, "Unable to find descriptor property");
RETURN_FALSE;
}
if (trim_length < 0) {
php_error_docref(NULL, 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)) {
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;
zend_long offset = -1, length = -1;
if (getThis()) {
if (zend_parse_parameters(ZEND_NUM_ARGS(), "|ll", &offset, &length) == FAILURE) {
return;
}
if (ZEND_NUM_ARGS() > 0 && offset < 0) {
php_error_docref(NULL, E_WARNING, "Offset must be greater than or equal to 0");
RETURN_FALSE;
}
if (ZEND_NUM_ARGS() > 1 && length < 0) {
php_error_docref(NULL, E_WARNING, "Length must be greater than or equal to 0");
RETURN_FALSE;
}
}
else {
if (zend_parse_parameters(ZEND_NUM_ARGS(), "O|ll", &z_descriptor, oci_lob_class_entry_ptr, &offset, &length) == FAILURE) {
return;
}
if (ZEND_NUM_ARGS() > 1 && offset < 0) {
php_error_docref(NULL, E_WARNING, "Offset must be greater than or equal to 0");
RETURN_FALSE;
}
if (ZEND_NUM_ARGS() > 2 && length < 0) {
php_error_docref(NULL, E_WARNING, "Length must be greater than or equal to 0");
RETURN_FALSE;
}
}
if ((tmp = zend_hash_str_find(Z_OBJPROP_P(z_descriptor), "descriptor", sizeof("descriptor")-1)) == NULL) {
php_error_docref(NULL, E_WARNING, "Unable to find descriptor property");
RETURN_FALSE;
}
PHP_OCI_ZVAL_TO_DESCRIPTOR(tmp, descriptor);
if (php_oci_lob_erase(descriptor, offset, (ub4) length, &bytes_erased)) {
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;
zend_long flush_flag = 0;
if (getThis()) {
if (zend_parse_parameters(ZEND_NUM_ARGS(), "|l", &flush_flag) == FAILURE) {
return;
}
}
else {
if (zend_parse_parameters(ZEND_NUM_ARGS(), "O|l", &z_descriptor, oci_lob_class_entry_ptr, &flush_flag) == FAILURE) {
return;
}
}
if ((tmp = zend_hash_str_find(Z_OBJPROP_P(z_descriptor), "descriptor", sizeof("descriptor")-1)) == NULL) {
php_error_docref(NULL, 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)) {
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(), "b", &flag) == FAILURE) {
return;
}
}
else {
if (zend_parse_parameters(ZEND_NUM_ARGS(), "Ob", &z_descriptor, oci_lob_class_entry_ptr, &flag) == FAILURE) {
return;
}
}
if ((tmp = zend_hash_str_find(Z_OBJPROP_P(z_descriptor), "descriptor", sizeof("descriptor")-1)) == NULL) {
php_error_docref(NULL, E_WARNING, "Unable to find descriptor property");
RETURN_FALSE;
}
PHP_OCI_ZVAL_TO_DESCRIPTOR(tmp, descriptor);
if (php_oci_lob_set_buffering(descriptor, flag)) {
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(), "O", &z_descriptor, oci_lob_class_entry_ptr) == FAILURE) {
return;
}
}
if ((tmp = zend_hash_str_find(Z_OBJPROP_P(z_descriptor), "descriptor", sizeof("descriptor")-1)) == NULL) {
php_error_docref(NULL, 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;
zend_long length = 0;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "OO|l", &z_descriptor_dest, oci_lob_class_entry_ptr, &z_descriptor_from, oci_lob_class_entry_ptr, &length) == FAILURE) {
return;
}
if ((tmp_dest = zend_hash_str_find(Z_OBJPROP_P(z_descriptor_dest), "descriptor", sizeof("descriptor")-1)) == NULL) {
php_error_docref(NULL, E_WARNING, "Unable to find descriptor property. The first argument should be valid descriptor object");
RETURN_FALSE;
}
if ((tmp_from = zend_hash_str_find(Z_OBJPROP_P(z_descriptor_from), "descriptor", sizeof("descriptor")-1)) == NULL) {
php_error_docref(NULL, 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, 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)) {
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(), "OO", &z_descriptor_first, oci_lob_class_entry_ptr, &z_descriptor_second, oci_lob_class_entry_ptr) == FAILURE) {
return;
}
if ((tmp_first = zend_hash_str_find(Z_OBJPROP_P(z_descriptor_first), "descriptor", sizeof("descriptor")-1)) == NULL) {
php_error_docref(NULL, E_WARNING, "Unable to find descriptor property. The first argument should be valid descriptor object");
RETURN_FALSE;
}
if ((tmp_second = zend_hash_str_find(Z_OBJPROP_P(z_descriptor_second), "descriptor", sizeof("descriptor")-1)) == NULL) {
php_error_docref(NULL, 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)) {
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;
size_t filename_len;
zend_long start = -1, length = -1, block_length;
php_stream *stream;
ub4 lob_length;
if (getThis()) {
if (zend_parse_parameters(ZEND_NUM_ARGS(), "p|ll", &filename, &filename_len, &start, &length) == FAILURE) {
return;
}
if (ZEND_NUM_ARGS() > 1 && start < 0) {
php_error_docref(NULL, 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, E_WARNING, "Length parameter must be greater than or equal to 0");
RETURN_FALSE;
}
}
else {
if (zend_parse_parameters(ZEND_NUM_ARGS(), "Op|ll", &z_descriptor, oci_lob_class_entry_ptr, &filename, &filename_len, &start, &length) == FAILURE) {
return;
}
if (ZEND_NUM_ARGS() > 2 && start < 0) {
php_error_docref(NULL, 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, E_WARNING, "Length parameter must be greater than or equal to 0");
RETURN_FALSE;
}
}
if ((tmp = zend_hash_str_find(Z_OBJPROP_P(z_descriptor), "descriptor", sizeof("descriptor")-1)) == NULL) {
php_error_docref(NULL, 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)) {
RETURN_FALSE;
}
if (start == -1) {
start = 0;
}
if (length == -1) {
length = lob_length - descriptor->lob_current_position;
}
if (lob_length == 0) {
length = 0;
}
if (length == 0) {
/* nothing to write, fail silently */
RETURN_FALSE;
}