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-rw-r--r--main/output.c644
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diff --git a/main/output.c b/main/output.c
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index 7799959ddf..0000000000
--- a/main/output.c
+++ /dev/null
@@ -1,644 +0,0 @@
-/*
- +----------------------------------------------------------------------+
- | PHP Version 4 |
- +----------------------------------------------------------------------+
- | Copyright (c) 1997-2002 The PHP Group |
- +----------------------------------------------------------------------+
- | This source file is subject to version 2.02 of the PHP license, |
- | that is bundled with this package in the file LICENSE, and is |
- | available at through the world-wide-web at |
- | http://www.php.net/license/2_02.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. |
- +----------------------------------------------------------------------+
- | Authors: Zeev Suraski <zeev@zend.com> |
- | Thies C. Arntzen <thies@thieso.net> |
- +----------------------------------------------------------------------+
-*/
-
-/* $Id$ */
-
-#include "php.h"
-#include "ext/standard/head.h"
-#include "ext/standard/basic_functions.h"
-#include "SAPI.h"
-
-/* output functions */
-static int php_ub_body_write(const char *str, uint str_length TSRMLS_DC);
-static int php_ub_body_write_no_header(const char *str, uint str_length TSRMLS_DC);
-static int php_b_body_write(const char *str, uint str_length TSRMLS_DC);
-
-static void php_ob_init(uint initial_size, uint block_size, zval *output_handler, uint chunk_size TSRMLS_DC);
-static void php_ob_append(const char *text, uint text_length TSRMLS_DC);
-#if 0
-static void php_ob_prepend(const char *text, uint text_length);
-#endif
-
-
-#ifdef ZTS
-int output_globals_id;
-#else
-php_output_globals output_globals;
-#endif
-
-static int php_default_output_func(const char *str, uint str_len TSRMLS_DC)
-{
- fwrite(str, 1, str_len, stderr);
- return str_len;
-}
-
-
-static void php_output_init_globals(php_output_globals *output_globals_p TSRMLS_DC)
-{
- OG(php_body_write) = php_default_output_func;
- OG(php_header_write) = php_default_output_func;
- OG(implicit_flush) = 0;
- OG(output_start_filename) = NULL;
- OG(output_start_lineno) = 0;
-}
-
-
-/* Start output layer */
-PHPAPI void php_output_startup(void)
-{
-#ifdef ZTS
- ts_allocate_id(&output_globals_id, sizeof(php_output_globals), (ts_allocate_ctor) php_output_init_globals, NULL);
-#else
- php_output_init_globals(&output_globals TSRMLS_CC);
-#endif
-}
-
-
-PHPAPI void php_output_activate(TSRMLS_D)
-{
- OG(php_body_write) = php_ub_body_write;
- OG(php_header_write) = sapi_module.ub_write;
- OG(ob_nesting_level) = 0;
- OG(ob_lock) = 0;
- OG(disable_output) = 0;
-}
-
-
-PHPAPI void php_output_set_status(zend_bool status TSRMLS_DC)
-{
- OG(disable_output) = !status;
-}
-
-
-void php_output_register_constants(TSRMLS_D)
-{
- REGISTER_MAIN_LONG_CONSTANT("PHP_OUTPUT_HANDLER_START", PHP_OUTPUT_HANDLER_START, CONST_CS | CONST_PERSISTENT);
- REGISTER_MAIN_LONG_CONSTANT("PHP_OUTPUT_HANDLER_CONT", PHP_OUTPUT_HANDLER_CONT, CONST_CS | CONST_PERSISTENT);
- REGISTER_MAIN_LONG_CONSTANT("PHP_OUTPUT_HANDLER_END", PHP_OUTPUT_HANDLER_END, CONST_CS | CONST_PERSISTENT);
-}
-
-
-PHPAPI int php_body_write(const char *str, uint str_length TSRMLS_DC)
-{
- return OG(php_body_write)(str, str_length TSRMLS_CC);
-}
-
-PHPAPI int php_header_write(const char *str, uint str_length TSRMLS_DC)
-{
- if (OG(disable_output)) {
- return 0;
- } else {
- return OG(php_header_write)(str, str_length TSRMLS_CC);
- }
-}
-
-/* {{{ php_start_ob_buffer
- * Start output buffering */
-PHPAPI int php_start_ob_buffer(zval *output_handler, uint chunk_size TSRMLS_DC)
-{
- if (OG(ob_lock)) {
- return FAILURE;
- }
- if (chunk_size) {
- php_ob_init((chunk_size*3/2), chunk_size/2, output_handler, chunk_size TSRMLS_CC);
- } else {
- php_ob_init(40*1024, 10*1024, output_handler, chunk_size TSRMLS_CC);
- }
- OG(php_body_write) = php_b_body_write;
- return SUCCESS;
-}
-/* }}} */
-
-/* {{{ php_end_ob_buffer
- * End output buffering (one level) */
-PHPAPI void php_end_ob_buffer(zend_bool send_buffer, zend_bool just_flush TSRMLS_DC)
-{
- char *final_buffer=NULL;
- int final_buffer_length=0;
- zval *alternate_buffer=NULL;
- char *to_be_destroyed_buffer;
- char *to_be_destroyed_handled_output[2] = { 0, 0 };
- int status;
- php_ob_buffer *prev_ob_buffer_p=NULL;
- php_ob_buffer orig_ob_buffer;
-
- if (OG(ob_nesting_level)==0) {
- return;
- }
- status = 0;
- if (!OG(active_ob_buffer).status & PHP_OUTPUT_HANDLER_START) {
- /* our first call */
- status |= PHP_OUTPUT_HANDLER_START;
- }
- if (just_flush) {
- status |= PHP_OUTPUT_HANDLER_CONT;
- } else {
- status |= PHP_OUTPUT_HANDLER_END;
- }
-
- if (OG(active_ob_buffer).internal_output_handler) {
- final_buffer = OG(active_ob_buffer).internal_output_handler_buffer;
- final_buffer_length = OG(active_ob_buffer).internal_output_handler_buffer_size;
- OG(active_ob_buffer).internal_output_handler(OG(active_ob_buffer).buffer, OG(active_ob_buffer).text_length, &final_buffer, &final_buffer_length, status TSRMLS_CC);
- } else if (OG(active_ob_buffer).output_handler) {
- zval **params[2];
- zval *orig_buffer;
- zval *z_status;
-
- ALLOC_INIT_ZVAL(orig_buffer);
- ZVAL_STRINGL(orig_buffer, OG(active_ob_buffer).buffer, OG(active_ob_buffer).text_length, 0);
- orig_buffer->refcount=2; /* don't let call_user_function() destroy our buffer */
- orig_buffer->is_ref=1;
-
- ALLOC_INIT_ZVAL(z_status);
- ZVAL_LONG(z_status, status);
-
- params[0] = &orig_buffer;
- params[1] = &z_status;
- OG(ob_lock) = 1;
- if (call_user_function_ex(CG(function_table), NULL, OG(active_ob_buffer).output_handler, &alternate_buffer, 2, params, 1, NULL TSRMLS_CC)==SUCCESS) {
- convert_to_string_ex(&alternate_buffer);
- final_buffer = Z_STRVAL_P(alternate_buffer);
- final_buffer_length = Z_STRLEN_P(alternate_buffer);
- }
- OG(ob_lock) = 0;
- zval_ptr_dtor(&OG(active_ob_buffer).output_handler);
- if (orig_buffer->refcount==2) { /* free the zval */
- FREE_ZVAL(orig_buffer);
- } else {
- orig_buffer->refcount-=2;
- }
- zval_ptr_dtor(&z_status);
- }
-
- if (!final_buffer) {
- final_buffer = OG(active_ob_buffer).buffer;
- final_buffer_length = OG(active_ob_buffer).text_length;
- }
-
- if (OG(ob_nesting_level)==1) { /* end buffering */
- if (SG(headers_sent) && !SG(request_info).headers_only) {
- OG(php_body_write) = php_ub_body_write_no_header;
- } else {
- OG(php_body_write) = php_ub_body_write;
- }
- }
-
- to_be_destroyed_buffer = OG(active_ob_buffer).buffer;
- if (OG(active_ob_buffer).internal_output_handler
- && (final_buffer != OG(active_ob_buffer).internal_output_handler_buffer)
- && (final_buffer != OG(active_ob_buffer).buffer)) {
- to_be_destroyed_handled_output[0] = final_buffer;
- }
-
- if (!just_flush) {
- if (OG(active_ob_buffer).internal_output_handler) {
- to_be_destroyed_handled_output[1] = OG(active_ob_buffer).internal_output_handler_buffer;
- }
- }
- if (OG(ob_nesting_level)>1) { /* restore previous buffer */
- zend_stack_top(&OG(ob_buffers), (void **) &prev_ob_buffer_p);
- orig_ob_buffer = OG(active_ob_buffer);
- OG(active_ob_buffer) = *prev_ob_buffer_p;
- zend_stack_del_top(&OG(ob_buffers));
- if (!just_flush && OG(ob_nesting_level)==2) { /* destroy the stack */
- zend_stack_destroy(&OG(ob_buffers));
- }
- }
- OG(ob_nesting_level)--;
-
- if (send_buffer) {
- OG(php_body_write)(final_buffer, final_buffer_length TSRMLS_CC);
- }
-
- if (just_flush) { /* we restored the previous ob, return to the current */
- if (prev_ob_buffer_p) {
- zend_stack_push(&OG(ob_buffers), &OG(active_ob_buffer), sizeof(php_ob_buffer));
- OG(active_ob_buffer) = orig_ob_buffer;
- }
- OG(ob_nesting_level)++;
- }
-
- if (alternate_buffer) {
- zval_ptr_dtor(&alternate_buffer);
- }
-
- if (!just_flush) {
- efree(to_be_destroyed_buffer);
- } else {
- OG(active_ob_buffer).text_length = 0;
- OG(active_ob_buffer).status |= PHP_OUTPUT_HANDLER_START;
- OG(php_body_write) = php_b_body_write;
- }
- if (to_be_destroyed_handled_output[0]) {
- efree(to_be_destroyed_handled_output[0]);
- }
- if (to_be_destroyed_handled_output[1]) {
- efree(to_be_destroyed_handled_output[1]);
- }
-}
-/* }}} */
-
-/* {{{ php_end_ob_buffers
- * End output buffering (all buffers) */
-PHPAPI void php_end_ob_buffers(zend_bool send_buffer TSRMLS_DC)
-{
- while (OG(ob_nesting_level)!=0) {
- php_end_ob_buffer(send_buffer, 0 TSRMLS_CC);
- }
-}
-/* }}} */
-
-/* {{{ php_start_implicit_flush
- */
-PHPAPI void php_start_implicit_flush(TSRMLS_D)
-{
- php_end_ob_buffer(1, 0 TSRMLS_CC); /* Switch out of output buffering if we're in it */
- OG(implicit_flush)=1;
-}
-/* }}} */
-
-/* {{{ php_end_implicit_flush
- */
-PHPAPI void php_end_implicit_flush(TSRMLS_D)
-{
- OG(implicit_flush)=0;
-}
-/* }}} */
-
-/* {{{ php_ob_set_internal_handler
- */
-PHPAPI void php_ob_set_internal_handler(php_output_handler_func_t internal_output_handler, uint buffer_size TSRMLS_DC)
-{
- if (OG(ob_nesting_level)==0) {
- return;
- }
-
- OG(active_ob_buffer).internal_output_handler = internal_output_handler;
- OG(active_ob_buffer).internal_output_handler_buffer = (char *) emalloc(buffer_size);
- OG(active_ob_buffer).internal_output_handler_buffer_size = buffer_size;
-}
-/* }}} */
-
-/*
- * Output buffering - implementation
- */
-
-/* {{{ php_ob_allocate
- */
-static inline void php_ob_allocate(TSRMLS_D)
-{
- if (OG(active_ob_buffer).size<OG(active_ob_buffer).text_length) {
- while (OG(active_ob_buffer).size <= OG(active_ob_buffer).text_length) {
- OG(active_ob_buffer).size+=OG(active_ob_buffer).block_size;
- }
-
- OG(active_ob_buffer).buffer = (char *) erealloc(OG(active_ob_buffer).buffer, OG(active_ob_buffer).size+1);
- }
-}
-/* }}} */
-
-/* {{{ php_ob_init
- */
-static void php_ob_init(uint initial_size, uint block_size, zval *output_handler, uint chunk_size TSRMLS_DC)
-{
- if (OG(ob_nesting_level)>0) {
- if (OG(ob_nesting_level)==1) { /* initialize stack */
- zend_stack_init(&OG(ob_buffers));
- }
- zend_stack_push(&OG(ob_buffers), &OG(active_ob_buffer), sizeof(php_ob_buffer));
- }
- OG(ob_nesting_level)++;
- OG(active_ob_buffer).block_size = block_size;
- OG(active_ob_buffer).size = initial_size;
- OG(active_ob_buffer).buffer = (char *) emalloc(initial_size+1);
- OG(active_ob_buffer).text_length = 0;
- OG(active_ob_buffer).output_handler = output_handler;
- OG(active_ob_buffer).chunk_size = chunk_size;
- OG(active_ob_buffer).status = 0;
- OG(active_ob_buffer).internal_output_handler = NULL;
-}
-/* }}} */
-
-/* {{{ php_ob_append
- */
-static void php_ob_append(const char *text, uint text_length TSRMLS_DC)
-{
- char *target;
- int original_ob_text_length;
-
- original_ob_text_length=OG(active_ob_buffer).text_length;
- OG(active_ob_buffer).text_length = OG(active_ob_buffer).text_length + text_length;
-
- php_ob_allocate(TSRMLS_C);
- target = OG(active_ob_buffer).buffer+original_ob_text_length;
- memcpy(target, text, text_length);
- target[text_length]=0;
-
- if (OG(active_ob_buffer).chunk_size
- && OG(active_ob_buffer).text_length >= OG(active_ob_buffer).chunk_size) {
- zval *output_handler = OG(active_ob_buffer).output_handler;
-
- if (output_handler) {
- output_handler->refcount++;
- }
- php_end_ob_buffer(1, 1 TSRMLS_CC);
- return;
- }
-}
-/* }}} */
-
-#if 0
-static void php_ob_prepend(const char *text, uint text_length)
-{
- char *p, *start;
- TSRMLS_FETCH();
-
- OG(active_ob_buffer).text_length += text_length;
- php_ob_allocate(TSRMLS_C);
-
- /* php_ob_allocate() may change OG(ob_buffer), so we can't initialize p&start earlier */
- p = OG(ob_buffer)+OG(ob_text_length);
- start = OG(ob_buffer);
-
- while (--p>=start) {
- p[text_length] = *p;
- }
- memcpy(OG(ob_buffer), text, text_length);
- OG(ob_buffer)[OG(active_ob_buffer).text_length]=0;
-}
-#endif
-
-
-/* {{{ php_ob_get_buffer
- * Return the current output buffer */
-int php_ob_get_buffer(pval *p TSRMLS_DC)
-{
- if (OG(ob_nesting_level)==0) {
- return FAILURE;
- }
- ZVAL_STRINGL(p, OG(active_ob_buffer).buffer, OG(active_ob_buffer).text_length, 1);
- return SUCCESS;
-}
-/* }}} */
-
-/* {{{ php_ob_get_length
- * Return the size of the current output buffer */
-int php_ob_get_length(pval *p TSRMLS_DC)
-{
- if (OG(ob_nesting_level) == 0) {
- return FAILURE;
- }
- ZVAL_LONG(p, OG(active_ob_buffer).text_length);
- return SUCCESS;
-}
-/* }}} */
-
-/*
- * Wrapper functions - implementation
- */
-
-
-/* buffered output function */
-static int php_b_body_write(const char *str, uint str_length TSRMLS_DC)
-{
- php_ob_append(str, str_length TSRMLS_CC);
- return str_length;
-}
-
-/* {{{ php_ub_body_write_no_header
- */
-static int php_ub_body_write_no_header(const char *str, uint str_length TSRMLS_DC)
-{
- char *newstr = NULL;
- size_t new_length=0;
- int result;
-
- if (OG(disable_output)) {
- return 0;
- }
- if (newstr) {
- str = newstr;
- str_length = new_length;
- }
-
- result = OG(php_header_write)(str, str_length TSRMLS_CC);
-
- if (OG(implicit_flush)) {
- sapi_flush(TSRMLS_C);
- }
-
- return result;
-}
-/* }}} */
-
-/* {{{ php_ub_body_write
- */
-static int php_ub_body_write(const char *str, uint str_length TSRMLS_DC)
-{
- int result = 0;
-
- if (SG(request_info).headers_only) {
- php_header();
- zend_bailout();
- }
- if (php_header()) {
- if (zend_is_compiling(TSRMLS_C)) {
- OG(output_start_filename) = zend_get_compiled_filename(TSRMLS_C);
- OG(output_start_lineno) = zend_get_compiled_lineno(TSRMLS_C);
- } else if (zend_is_executing(TSRMLS_C)) {
- OG(output_start_filename) = zend_get_executed_filename(TSRMLS_C);
- OG(output_start_lineno) = zend_get_executed_lineno(TSRMLS_C);
- }
-
- OG(php_body_write) = php_ub_body_write_no_header;
- result = php_ub_body_write_no_header(str, str_length TSRMLS_CC);
- }
-
- return result;
-}
-/* }}} */
-
-/*
- * HEAD support
- */
-
-/* {{{ proto void ob_start([ string user_function [, int chunk_size]])
- Turn on Output Buffering (specifying an optional output handler). */
-PHP_FUNCTION(ob_start)
-{
- zval *output_handler=NULL;
- uint chunk_size=0;
-
- switch (ZEND_NUM_ARGS()) {
- case 0:
- break;
- case 1: {
- zval **output_handler_p;
-
- if (zend_get_parameters_ex(1, &output_handler_p)==FAILURE) {
- RETURN_FALSE;
- }
- SEPARATE_ZVAL(output_handler_p);
- output_handler = *output_handler_p;
- output_handler->refcount++;
- }
- break;
- case 2: {
- zval **output_handler_p, **chunk_size_p;
-
- if (zend_get_parameters_ex(2, &output_handler_p, &chunk_size_p)==FAILURE) {
- RETURN_FALSE;
- }
- if (Z_STRLEN_PP(output_handler_p)>0) {
- SEPARATE_ZVAL(output_handler_p);
- output_handler = *output_handler_p;
- output_handler->refcount++;
- }
- convert_to_long_ex(chunk_size_p);
- chunk_size = (uint) Z_LVAL_PP(chunk_size_p);
- }
- break;
- default:
- ZEND_WRONG_PARAM_COUNT();
- break;
- }
- if (php_start_ob_buffer(output_handler, chunk_size TSRMLS_CC)==FAILURE) {
- if (SG(headers_sent) && !SG(request_info).headers_only) {
- OG(php_body_write) = php_ub_body_write_no_header;
- } else {
- OG(php_body_write) = php_ub_body_write;
- }
- OG(ob_nesting_level) = 0;
- php_error(E_ERROR, "Cannot use output buffering in output buffering display handlers");
- RETURN_FALSE;
- }
- RETURN_TRUE;
-}
-/* }}} */
-
-/* {{{ proto void ob_flush(void)
- Flush (send) the output buffer */
-PHP_FUNCTION(ob_flush)
-{
- php_end_ob_buffer(1, 1 TSRMLS_CC);
-}
-/* }}} */
-
-/* {{{ proto void ob_clean(void)
- Clean (erase) the output buffer */
-PHP_FUNCTION(ob_clean)
-{
- php_end_ob_buffer(0, 1 TSRMLS_CC);
-}
-/* }}} */
-
-/* {{{ proto void ob_end_flush(void)
- Flush (send) the output buffer, and turn off output buffering */
-PHP_FUNCTION(ob_end_flush)
-{
- php_end_ob_buffer(1, 0 TSRMLS_CC);
-}
-/* }}} */
-
-/* {{{ proto void ob_end_clean(void)
- Clean (erase) the output buffer, and turn off output buffering */
-PHP_FUNCTION(ob_end_clean)
-{
- php_end_ob_buffer(0, 0 TSRMLS_CC);
-}
-/* }}} */
-
-/* {{{ proto string ob_get_contents(void)
- Return the contents of the output buffer */
-PHP_FUNCTION(ob_get_contents)
-{
- if (php_ob_get_buffer(return_value TSRMLS_CC)==FAILURE) {
- RETURN_FALSE;
- }
-}
-/* }}} */
-
-/* {{{ proto integer ob_get_level(void)
- Return the nesting level of the output buffer */
-PHP_FUNCTION(ob_get_level)
-{
- RETURN_LONG (OG(ob_nesting_level));
-}
-/* }}} */
-
-/* {{{ proto string ob_get_length(void)
- Return the length of the output buffer */
-PHP_FUNCTION(ob_get_length)
-{
- if (php_ob_get_length(return_value TSRMLS_CC)==FAILURE) {
- RETURN_FALSE;
- }
-}
-/* }}} */
-
-/* {{{ proto void ob_implicit_flush([int flag])
- Turn implicit flush on/off and is equivalent to calling flush() after every output call */
-PHP_FUNCTION(ob_implicit_flush)
-{
- zval **zv_flag;
- int flag;
-
- switch(ZEND_NUM_ARGS()) {
- case 0:
- flag = 1;
- break;
- case 1:
- if (zend_get_parameters_ex(1, &zv_flag)==FAILURE) {
- RETURN_FALSE;
- }
- convert_to_long_ex(zv_flag);
- flag = Z_LVAL_PP(zv_flag);
- break;
- default:
- WRONG_PARAM_COUNT;
- break;
- }
- if (flag) {
- php_start_implicit_flush(TSRMLS_C);
- } else {
- php_end_implicit_flush(TSRMLS_C);
- }
-}
-/* }}} */
-
-PHPAPI char *php_get_output_start_filename(TSRMLS_D)
-{
- return OG(output_start_filename);
-}
-
-
-PHPAPI int php_get_output_start_lineno(TSRMLS_D)
-{
- return OG(output_start_lineno);
-}
-
-/*
- * Local variables:
- * tab-width: 4
- * c-basic-offset: 4
- * End:
- * vim600: sw=4 ts=4 fdm=marker
- * vim<600: sw=4 ts=4
- */