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remove(embed): 删除嵌入式PHP相关文件，迁移至 phpx 目录

Browse Source 
- 移除main.cc主程序文件及其PHP嵌入初始化代码
- 删除php_aot_helper.h头文件及其中的辅助函数声明
- 移除php_cli_process_title.c进程标题设置功能实现
- 删除php_cli_process_title.h头文件及函数声明
- 移除php_cli_process_title.stub.php存根文件
- 删除php_cli_process_title_arginfo.h参数信息文件
- 移除ps_title.c进程标题底层实现文件
- 删除ps_title.h头文件及状态枚举定义
pull/1/head
韩天峰 4 months ago
parent ccfef0f2b6
commit b4d82a1bad
8 changed files with 0 additions and 805 deletions
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  1. 151
      src/cpp/main.cc
  2. 34
      src/cpp/php_aot_helper.h
  3. 63
      src/cpp/php_cli_process_title.c
  4. 23
      src/cpp/php_cli_process_title.h
  5. 5
      src/cpp/php_cli_process_title.stub.php
  6. 10
      src/cpp/php_cli_process_title_arginfo.h
  7. 478
      src/cpp/ps_title.c
  8. 41
      src/cpp/ps_title.h

151
src/cpp/main.cc
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#if PPROF_ON
#include <gperftools/profiler.h>
#endif
#include <phpx.h>
#include <php_aot_helper.h>
#include "sapi/embed/php_embed.h"
#include "ps_title.h"
extern zend_module_entry *php_embed_get_module();
void module_init(zend_module_entry *module) {
if (zend_register_module_ex(module, MODULE_PERSISTENT) == NULL) {
zend_error(E_ERROR, "Failed to register module [%s]", module->name);
exit(255);
}
if (zend_startup_module_ex(module) == FAILURE) {
zend_error(E_ERROR, "Failed to startup module [%s]", module->name);
exit(255);
}
}
const char *php_get_called_class(php::Object &this_) {
auto ce = php_get_called_ce(this_);
if (ce) {
return ce->name->val;
} else {
return "";
}
}
zend_class_entry *php_get_called_ce(php::Object &this_) {
if (this_.isObject()) {
return this_.ce();
} else {
return (zend_class_entry *) Z_PTR_P(this_.ptr());
}
}
static zend_execute_data *get_frame() {
zend_execute_data *frame = EG(current_execute_data);
while (frame && (!frame->func || !ZEND_USER_CODE(frame->func->type))) {
frame = frame->prev_execute_data;
}
return frame;
}
php::Scope php_switch_scope(php::Object &this_) {
php::Scope scope;
scope.frame = get_frame();
scope.ce = scope.frame->func->common.scope;
scope.frame->func->common.scope = php_get_called_ce(this_);
return scope;
}
void php_restore_scope(php::Scope &ori_scope) {
ori_scope.frame->func->common.scope = ori_scope.ce;
}
static php_stream *s_in_process = NULL;
static void cli_register_file_handles(void) {
php_stream *s_in, *s_out, *s_err;
php_stream_context *sc_in = NULL, *sc_out = NULL, *sc_err = NULL;
zend_constant ic, oc, ec;
s_in = php_stream_open_wrapper_ex("php://stdin", "rb", 0, NULL, sc_in);
s_out = php_stream_open_wrapper_ex("php://stdout", "wb", 0, NULL, sc_out);
s_err = php_stream_open_wrapper_ex("php://stderr", "wb", 0, NULL, sc_err);
/* Release stream resources, but don't free the underlying handles. Otherwise,
* extensions which write to stderr or company during mshutdown/gshutdown
* won't have the expected functionality.
*/
if (s_in) s_in->flags |= PHP_STREAM_FLAG_NO_RSCR_DTOR_CLOSE;
if (s_out) s_out->flags |= PHP_STREAM_FLAG_NO_RSCR_DTOR_CLOSE;
if (s_err) s_err->flags |= PHP_STREAM_FLAG_NO_RSCR_DTOR_CLOSE;
if (s_in == NULL || s_out == NULL || s_err == NULL) {
if (s_in) php_stream_close(s_in);
if (s_out) php_stream_close(s_out);
if (s_err) php_stream_close(s_err);
return;
}
s_in_process = s_in;
php_stream_to_zval(s_in, &ic.value);
php_stream_to_zval(s_out, &oc.value);
php_stream_to_zval(s_err, &ec.value);
Z_CONSTANT_FLAGS(ic.value) = 0;
ic.name = zend_string_init_interned("STDIN", sizeof("STDIN") - 1, 0);
zend_register_constant(&ic);
Z_CONSTANT_FLAGS(oc.value) = 0;
oc.name = zend_string_init_interned("STDOUT", sizeof("STDOUT") - 1, 0);
zend_register_constant(&oc);
Z_CONSTANT_FLAGS(ec.value) = 0;
ec.name = zend_string_init_interned("STDERR", sizeof("STDERR") - 1, 0);
zend_register_constant(&ec);
}
void module_shutdown(zend_module_entry *module) {
/**
* There is a bug in PHP's handling of internal strings. All interned strings are released in the request shutdown
* function, but then released again in the php_embed_shutdown function, resulting in a use-after-free issue. These
* must be manually removed from the module table to prevent double release.
*/
auto name_len = strlen(module->name);
auto lcname = zend_string_alloc(name_len, module->type == MODULE_PERSISTENT);
zend_str_tolower_copy(ZSTR_VAL(lcname), module->name, name_len);
zend_hash_del(&module_registry, lcname);
}
int main(int cpp_argc, char **cpp_argv) {
php_embed_init(cpp_argc, cpp_argv);
php::throw_impl = [](zend_object *ex) { throw ex; };
zend_module_entry *module = php_embed_get_module();
module_init(module);
save_ps_args(cpp_argc, cpp_argv);
int rc = 0;
#if PPROF_ON
ProfilerStart("profile.out");
#endif
zend_first_try {
try {
char path_translated[] = "embed";
cli_register_file_handles();
SG(request_info).path_translated = path_translated;
module->request_startup_func(module->type, module->module_number);
} catch (zend_object *e) {
rc = EG(exit_status);
CG(unclean_shutdown) = 1;
zend_exception_error(e, E_ERROR);
}
}
zend_end_try();
#if PPROF_ON
ProfilerStop();
#endif
module->request_shutdown_func(module->type, module->module_number);
module_shutdown(module);
php_embed_shutdown();
return rc;
}

34
src/cpp/php_aot_helper.h
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#include <phpx.h>
#include <phpx_helper.h>
#include <zend_attributes.h>
extern zend_class_entry *php_get_class(int class_id, const php::Str &class_name);
extern zend_function *php_get_func(int func_id, const php::Str &func_name);
extern zend_function *php_get_method(int func_id,
const php::Str &method_name,
int class_id,
const php::Str &class_name);
extern uint32_t php_get_prop(int prop_id, const php::Str &prop_name, int class_id, const php::Str &class_name);
namespace php {
struct Scope {
zend_class_entry *ce;
zend_execute_data *frame;
};
}; // namespace php
extern const char *php_get_called_class(php::Object &this_);
extern zend_class_entry *php_get_called_ce(php::Object &this_);
extern php::Scope php_switch_scope(php::Object &this_);
extern void php_restore_scope(php::Scope &ori_scope);
static inline auto php_std_create_object(zend_class_entry *ce) {
auto obj = zend_objects_new(ce);
object_properties_init(obj, ce);
return obj;
}
static inline auto php_get_create_object_fn(zend_class_entry *ce) {
return ce->create_object ? ce->create_object : php_std_create_object;
}

63
src/cpp/php_cli_process_title.c
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/*
+----------------------------------------------------------------------+
| Copyright (c) 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: |
| https://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: Keyur Govande (kgovande@gmail.com) |
+----------------------------------------------------------------------+
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "php.h"
#include "php_cli_process_title.h"
#include "ps_title.h"
/* {{{ Return a boolean to confirm if the process title was successfully changed or not */
PHP_FUNCTION(cli_set_process_title)
{
char *title = NULL;
size_t title_len;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "s", &title, &title_len) == FAILURE) {
RETURN_THROWS();
}
ps_title_status rc = set_ps_title(title, title_len);
if (rc == PS_TITLE_SUCCESS) {
RETURN_TRUE;
}
php_error_docref(NULL, E_WARNING, "cli_set_process_title had an error: %s", ps_title_errno(rc));
RETURN_FALSE;
}
/* }}} */
/* {{{ Return a string with the current process title. NULL if error. */
PHP_FUNCTION(cli_get_process_title)
{
size_t length = 0;
const char* title = NULL;
if (zend_parse_parameters_none() == FAILURE) {
RETURN_THROWS();
}
ps_title_status rc = get_ps_title(&length, &title);
if (rc != PS_TITLE_SUCCESS) {
php_error_docref(NULL, E_WARNING, "cli_get_process_title had an error: %s", ps_title_errno(rc));
RETURN_NULL();
}
RETURN_STRINGL(title, length);
}
/* }}} */

23
src/cpp/php_cli_process_title.h
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/*
+----------------------------------------------------------------------+
| Copyright (c) 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: |
| https://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: Keyur Govande (kgovande@gmail.com) |
+----------------------------------------------------------------------+
*/
#ifndef PHP_PS_TITLE_HEADER
#define PHP_PS_TITLE_HEADER
PHP_FUNCTION(cli_set_process_title);
PHP_FUNCTION(cli_get_process_title);
#endif

5
src/cpp/php_cli_process_title.stub.php
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<?php
function cli_set_process_title(string $title): bool {}
function cli_get_process_title(): ?string {}

10
src/cpp/php_cli_process_title_arginfo.h
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/* This is a generated file, edit the .stub.php file instead.
* Stub hash: ee776e0c54fe4b66a98b3a0203af11c5f3082e38 */
ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(arginfo_cli_set_process_title, 0, 1, _IS_BOOL, 0)
ZEND_ARG_TYPE_INFO(0, title, IS_STRING, 0)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(arginfo_cli_get_process_title, 0, 0, IS_STRING, 1)
ZEND_END_ARG_INFO()

478
src/cpp/ps_title.c
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/*
* PostgreSQL is released under the PostgreSQL License, a liberal Open Source
* license, similar to the BSD or MIT licenses.
* PostgreSQL Database Management System (formerly known as Postgres, then as
* Postgres95)
*
* Portions Copyright (c) 1996-2015, The PostgreSQL Global Development Group
*
* Portions Copyright (c) 1994, The Regents of the University of California
*
* Permission to use, copy, modify, and distribute this software and its
* documentation for any purpose, without fee, and without a written
* agreement is hereby granted, provided that the above copyright notice
* and this paragraph and the following two paragraphs appear in all copies.
*
* IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR
* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING
* LOST PROFITS, ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION,
* EVEN IF THE UNIVERSITY OF CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS ON AN
* "AS IS" BASIS, AND THE UNIVERSITY OF CALIFORNIA HAS NO OBLIGATIONS TO
* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
*
* The following code is adopted from the PostgreSQL's ps_status(.h/.c).
*/
#include <php.h>
#ifdef PHP_WIN32
#include "config.w32.h"
#include <windows.h>
#include <process.h>
#include "win32/codepage.h"
#else
#include <php_config.h>
extern char** environ;
#endif
#include "ps_title.h"
#include <stdio.h>
#ifdef HAVE_UNISTD_H
#include <sys/types.h>
#include <unistd.h>
#endif
#include <stdbool.h>
#include <string.h>
#include <stdlib.h>
#ifdef HAVE_SYS_PSTAT_H
#include <sys/pstat.h> /* for HP-UX */
#endif
#ifdef HAVE_PS_STRINGS
#include <machine/vmparam.h> /* for old BSD */
#include <sys/exec.h>
#endif
#if defined(__APPLE__)
#include <crt_externs.h>
#endif
/*
* Ways of updating ps display:
*
* PS_USE_SETPROCTITLE
* use the function setproctitle(const char *, ...)
* (newer BSD systems)
* PS_USE_PSTAT
* use the pstat(PSTAT_SETCMD, )
* (HPUX)
* PS_USE_PS_STRINGS
* assign PS_STRINGS->ps_argvstr = "string"
* (some BSD systems)
* PS_USE_CHANGE_ARGV
* assign argv[0] = "string"
* (some other BSD systems)
* PS_USE_CLOBBER_ARGV
* write over the argv and environment area
* (Linux and most SysV-like systems)
* PS_USE_WIN32
* push the string out as the name of a Windows event
* PS_USE_NONE
* don't update ps display
* (This is the default, as it is safest.)
*/
#if defined(HAVE_SETPROCTITLE)
#define PS_USE_SETPROCTITLE
#elif defined(HAVE_SYS_PSTAT_H) && defined(PSTAT_SETCMD)
#define PS_USE_PSTAT
#elif defined(HAVE_PS_STRINGS)
#define PS_USE_PS_STRINGS
#elif defined(BSD) && !defined(__APPLE__)
#define PS_USE_CHANGE_ARGV
#elif defined(__linux__) || defined(_AIX) || defined(__sgi) || (defined(sun) && !defined(BSD)) || defined(ultrix) || defined(__osf__) || defined(__APPLE__)
#define PS_USE_CLOBBER_ARGV
#elif defined(PHP_WIN32)
#define PS_USE_WIN32
#else
#define PS_USE_NONE
#endif
/* Different systems want the buffer padded differently */
#if defined(_AIX) || defined(__linux__) || defined(__APPLE__)
#define PS_PADDING '\0'
#else
#define PS_PADDING ' '
#endif
#ifdef PS_USE_WIN32
static char windows_error_details[64];
static char ps_buffer[MAX_PATH];
static const size_t ps_buffer_size = MAX_PATH;
#elif defined(PS_USE_CLOBBER_ARGV)
static char *ps_buffer; /* will point to argv area */
static size_t ps_buffer_size; /* space determined at run time */
static char *empty_environ[] = {0}; /* empty environment */
#else
#define PS_BUFFER_SIZE 256
static char ps_buffer[PS_BUFFER_SIZE];
static const size_t ps_buffer_size = PS_BUFFER_SIZE;
#endif
static size_t ps_buffer_cur_len; /* actual string length in ps_buffer */
/* save the original argv[] location here */
static int save_argc;
static char** save_argv;
/*
* This holds the 'locally' allocated environ from the save_ps_args method.
* This is subsequently free'd at exit.
*/
#if defined(PS_USE_CLOBBER_ARGV)
static char** frozen_environ, **new_environ;
#endif
/*
* Call this method early, before any code has used the original argv passed in
* from main().
* If needed, this code will make deep copies of argv and environ and return
* these to the caller for further use. The original argv is then 'clobbered'
* to store the process title.
*/
char** save_ps_args(int argc, char** argv)
{
save_argc = argc;
save_argv = argv;
#if defined(PS_USE_CLOBBER_ARGV)
/*
* If we're going to overwrite the argv area, count the available space.
* Also move the environment to make additional room.
*/
{
char* end_of_area = NULL;
bool is_contiguous_area = true;
int i;
/*
* check for contiguous argv strings
*/
for (i = 0; is_contiguous_area && (i < argc); i++)
{
if (i != 0 && end_of_area + 1 != argv[i]) {
is_contiguous_area = false;
}
end_of_area = argv[i] + strlen(argv[i]);
}
if (!is_contiguous_area) {
goto clobber_error;
}
/*
* check for contiguous environ strings following argv
*/
for (i = 0; environ[i] != NULL; i++)
{
if (end_of_area + 1 == environ[i]) {
end_of_area = environ[i] + strlen(environ[i]);
}
}
ps_buffer = argv[0];
ps_buffer_size = end_of_area - argv[0];
/*
* move the environment out of the way
*/
new_environ = (char **) malloc((i + 1) * sizeof(char *));
frozen_environ = (char **) malloc((i + 1) * sizeof(char *));
if (!new_environ || !frozen_environ) {
goto clobber_error;
}
for (i = 0; environ[i] != NULL; i++)
{
new_environ[i] = strdup(environ[i]);
if (!new_environ[i])
goto clobber_error;
}
new_environ[i] = NULL;
environ = new_environ;
memcpy((char *)frozen_environ, (char *)new_environ, sizeof(char *) * (i + 1));
}
#endif /* PS_USE_CLOBBER_ARGV */
#if defined(PS_USE_CHANGE_ARGV) || defined(PS_USE_CLOBBER_ARGV)
/*
* If we're going to change the original argv[] then make a copy for
* argument parsing purposes.
*
* (NB: do NOT think to remove the copying of argv[]!
* On some platforms, getopt() keeps pointers into the argv array, and
* will get horribly confused when it is re-called to analyze a subprocess'
* argument string if the argv storage has been clobbered meanwhile.
* Other platforms have other dependencies on argv[].)
*/
{
char** new_argv;
int i;
new_argv = (char **) malloc((argc + 1) * sizeof(char *));
if (!new_argv)
goto clobber_error;
for (i = 0; i < argc; i++)
{
new_argv[i] = strdup(argv[i]);
if (!new_argv[i]) {
free(new_argv);
goto clobber_error;
}
}
new_argv[argc] = NULL;
#if defined(__APPLE__)
/*
* Darwin (and perhaps other NeXT-derived platforms?) has a static
* copy of the argv pointer, which we may fix like so:
*/
*_NSGetArgv() = new_argv;
#endif
argv = new_argv;
}
#endif /* PS_USE_CHANGE_ARGV or PS_USE_CLOBBER_ARGV */
#if defined(PS_USE_CLOBBER_ARGV)
{
/* make extra argv slots point at end_of_area (a NUL) */
int i;
for (i = 1; i < save_argc; i++)
save_argv[i] = ps_buffer + ps_buffer_size;
}
#endif /* PS_USE_CLOBBER_ARGV */
#ifdef PS_USE_CHANGE_ARGV
save_argv[0] = ps_buffer; /* ps_buffer here is a static const array of size PS_BUFFER_SIZE */
save_argv[1] = NULL;
#endif /* PS_USE_CHANGE_ARGV */
return argv;
#if defined(PS_USE_CHANGE_ARGV) || defined(PS_USE_CLOBBER_ARGV)
clobber_error:
/* probably can't happen?!
* if we ever get here, argv still points to originally passed
* in argument
*/
save_argv = NULL;
save_argc = 0;
ps_buffer = NULL;
ps_buffer_size = 0;
return argv;
#endif /* PS_USE_CHANGE_ARGV or PS_USE_CLOBBER_ARGV */
}
/*
* Returns PS_TITLE_SUCCESS if the OS supports this functionality
* and the init function was called.
* Otherwise returns NOT_AVAILABLE or NOT_INITIALIZED
*/
ps_title_status is_ps_title_available(void)
{
#ifdef PS_USE_NONE
return PS_TITLE_NOT_AVAILABLE; /* disabled functionality */
#endif
if (!save_argv)
return PS_TITLE_NOT_INITIALIZED;
#ifdef PS_USE_CLOBBER_ARGV
if (!ps_buffer)
return PS_TITLE_BUFFER_NOT_AVAILABLE;
#endif /* PS_USE_CLOBBER_ARGV */
return PS_TITLE_SUCCESS;
}
/*
* Convert error codes into error strings
*/
const char* ps_title_errno(ps_title_status rc)
{
switch(rc)
{
case PS_TITLE_SUCCESS:
return "Success";
case PS_TITLE_NOT_AVAILABLE:
return "Not available on this OS";
case PS_TITLE_NOT_INITIALIZED:
return "Not initialized correctly";
case PS_TITLE_BUFFER_NOT_AVAILABLE:
return "Buffer not contiguous";
case PS_TITLE_TOO_LONG:
// TODO Indicate max length?
return "Too long";
case PS_TITLE_WINDOWS_ERROR:
#ifdef PS_USE_WIN32
snprintf(windows_error_details, sizeof(windows_error_details), "Windows error code: %lu", GetLastError());
return windows_error_details;
#endif
return "Windows error";
}
return "Unknown error code";
}
/*
* Set a new process title.
* Returns the appropriate error code if if there's an error
* (like the functionality is compile time disabled, or the
* save_ps_args() was not called.
* Else returns 0 on success.
*/
ps_title_status set_ps_title(const char *title, size_t title_len)
{
if (title_len >= ps_buffer_size) {
return PS_TITLE_TOO_LONG;
}
ps_title_status rc = is_ps_title_available();
if (rc != PS_TITLE_SUCCESS)
return rc;
/* Include final null byte */
memcpy(ps_buffer, title, title_len+1);
ps_buffer_cur_len = title_len;
#ifdef PS_USE_SETPROCTITLE
setproctitle("%s", ps_buffer);
#endif
#ifdef PS_USE_PSTAT
{
union pstun pst;
pst.pst_command = ps_buffer;
pstat(PSTAT_SETCMD, pst, ps_buffer_cur_len, 0, 0);
}
#endif /* PS_USE_PSTAT */
#ifdef PS_USE_PS_STRINGS
PS_STRINGS->ps_nargvstr = 1;
PS_STRINGS->ps_argvstr = ps_buffer;
#endif /* PS_USE_PS_STRINGS */
#ifdef PS_USE_CLOBBER_ARGV
/* pad unused memory */
if (ps_buffer_cur_len < ps_buffer_size)
{
memset(ps_buffer + ps_buffer_cur_len, PS_PADDING,
ps_buffer_size - ps_buffer_cur_len);
}
#endif /* PS_USE_CLOBBER_ARGV */
#ifdef PS_USE_WIN32
{
wchar_t *ps_buffer_w = php_win32_cp_any_to_w(ps_buffer);
if (!ps_buffer_w || !SetConsoleTitleW(ps_buffer_w)) {
return PS_TITLE_WINDOWS_ERROR;
}
free(ps_buffer_w);
}
#endif /* PS_USE_WIN32 */
return PS_TITLE_SUCCESS;
}
/*
* Returns the current ps_buffer value into string. On some platforms
* the string will not be null-terminated, so return the effective
* length into *displen.
* The return code indicates the error.
*/
ps_title_status get_ps_title(size_t *displen, const char** string)
{
ps_title_status rc = is_ps_title_available();
if (rc != PS_TITLE_SUCCESS)
return rc;
#ifdef PS_USE_WIN32
{
wchar_t ps_buffer_w[MAX_PATH];
char *tmp;
if (!(ps_buffer_cur_len = GetConsoleTitleW(ps_buffer_w, (DWORD)sizeof(ps_buffer_w)))) {
return PS_TITLE_WINDOWS_ERROR;
}
tmp = php_win32_cp_conv_w_to_any(ps_buffer_w, PHP_WIN32_CP_IGNORE_LEN, &ps_buffer_cur_len);
if (!tmp) {
return PS_TITLE_WINDOWS_ERROR;
}
ps_buffer_cur_len = ps_buffer_cur_len > sizeof(ps_buffer)-1 ? sizeof(ps_buffer)-1 : ps_buffer_cur_len;
memmove(ps_buffer, tmp, ps_buffer_cur_len);
free(tmp);
}
#endif
*displen = ps_buffer_cur_len;
*string = ps_buffer;
return PS_TITLE_SUCCESS;
}
/*
* Clean up the allocated argv and environ if applicable. Only call
* this right before exiting.
* This isn't needed per-se because the OS will clean-up anyway, but
* having and calling this will ensure Valgrind doesn't output 'false
* positives'.
*/
void cleanup_ps_args(char **argv)
{
#ifndef PS_USE_NONE
if (save_argv)
{
save_argv = NULL;
save_argc = 0;
#ifdef PS_USE_CLOBBER_ARGV
{
int i;
for (i = 0; frozen_environ[i] != NULL; i++)
free(frozen_environ[i]);
free(frozen_environ);
free(new_environ);
/* leave a sane environment behind since some atexit() handlers
call getenv(). */
environ = empty_environ;
}
#endif /* PS_USE_CLOBBER_ARGV */
#if defined(PS_USE_CHANGE_ARGV) || defined(PS_USE_CLOBBER_ARGV)
{
int i;
for (i=0; argv[i] != NULL; i++)
free(argv[i]);
free(argv);
}
#endif /* PS_USE_CHANGE_ARGV or PS_USE_CLOBBER_ARGV */
}
#endif /* PS_USE_NONE */
return;
}

41
src/cpp/ps_title.h
Unescape View File

@ -1,41 +0,0 @@
/*
+----------------------------------------------------------------------+
| Copyright (c) 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: |
| https://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. |
+----------------------------------------------------------------------+
| Authors: Keyur Govande <kgovande@gmail.com> |
+----------------------------------------------------------------------+
*/
#ifndef PS_TITLE_HEADER
#define PS_TITLE_HEADER
typedef enum {
PS_TITLE_SUCCESS = 0,
PS_TITLE_NOT_AVAILABLE = 1,
PS_TITLE_NOT_INITIALIZED = 2,
PS_TITLE_BUFFER_NOT_AVAILABLE = 3,
PS_TITLE_WINDOWS_ERROR = 4,
PS_TITLE_TOO_LONG = 5,
} ps_title_status;
extern char** save_ps_args(int argc, char** argv);
extern ps_title_status set_ps_title(const char *title, size_t title_len);
extern ps_title_status get_ps_title(size_t* displen, const char** string);
extern const char* ps_title_errno(ps_title_status rc);
extern ps_title_status is_ps_title_available(void);
extern void cleanup_ps_args(char **argv);
#endif // PS_TITLE_HEADER
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