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321c0cc349
The FormatMessage API needs to LocalFree the delivered error messages. In cases where messages are delivered in non ASCII compatible encoding, the messages might be unreadable. This aligns the error message encoding with the encoding settings in PHP, the focus is UTF-8 as default. Initialize error buffer Avoid code duplication
105 lines
3.4 KiB
C
105 lines
3.4 KiB
C
/*
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+----------------------------------------------------------------------+
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| PHP Version 7 |
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+----------------------------------------------------------------------+
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| Copyright (c) 1997-2018 The PHP Group |
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+----------------------------------------------------------------------+
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| This source file is subject to version 3.01 of the PHP license, |
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| that is bundled with this package in the file LICENSE, and is |
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| available through the world-wide-web at the following url: |
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| http://www.php.net/license/3_01.txt |
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| If you did not receive a copy of the PHP license and are unable to |
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| obtain it through the world-wide-web, please send a note to |
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| license@php.net so we can mail you a copy immediately. |
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+----------------------------------------------------------------------+
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| Author: Wez Furlong <wez@thebrainroom.com> |
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| Harald Radi <h.radi@nme.at> |
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+----------------------------------------------------------------------+
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "php.h"
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#include "php_ini.h"
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#include "ext/standard/info.h"
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#include "php_com_dotnet.h"
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#include "php_com_dotnet_internal.h"
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PHP_COM_DOTNET_API OLECHAR *php_com_string_to_olestring(char *string, size_t string_len, int codepage)
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{
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OLECHAR *olestring = NULL;
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DWORD flags = codepage == CP_UTF8 ? 0 : MB_PRECOMPOSED | MB_ERR_INVALID_CHARS;
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BOOL ok;
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if (string_len == -1) {
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/* determine required length for the buffer (includes NUL terminator) */
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string_len = MultiByteToWideChar(codepage, flags, string, -1, NULL, 0);
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} else {
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/* allow room for NUL terminator */
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string_len++;
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}
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if (string_len > 0) {
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olestring = (OLECHAR*)safe_emalloc(string_len, sizeof(OLECHAR), 0);
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/* XXX if that's a real multibyte string, olestring is obviously allocated excessively.
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This should be fixed by reallocating the olestring, but as emalloc is used, that doesn't
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matter much. */
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ok = MultiByteToWideChar(codepage, flags, string, (int)string_len, olestring, (int)string_len);
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if (ok > 0 && (size_t)ok < string_len) {
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olestring[ok] = '\0';
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}
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} else {
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ok = FALSE;
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olestring = (OLECHAR*)emalloc(sizeof(OLECHAR));
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*olestring = 0;
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}
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if (!ok) {
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char *msg = php_win32_error_to_msg(GetLastError());
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php_error_docref(NULL, E_WARNING,
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"Could not convert string to unicode: `%s'", msg);
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php_win32_error_msg_free(msg);
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}
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return olestring;
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}
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PHP_COM_DOTNET_API char *php_com_olestring_to_string(OLECHAR *olestring, size_t *string_len, int codepage)
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{
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char *string;
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uint32_t length = 0;
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BOOL ok;
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length = WideCharToMultiByte(codepage, 0, olestring, -1, NULL, 0, NULL, NULL);
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if (length) {
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string = (char*)safe_emalloc(length, sizeof(char), 0);
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length = WideCharToMultiByte(codepage, 0, olestring, -1, string, length, NULL, NULL);
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ok = length > 0;
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} else {
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string = (char*)emalloc(sizeof(char));
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*string = '\0';
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ok = FALSE;
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length = 0;
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}
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if (!ok) {
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char *msg = php_win32_error_to_msg(GetLastError());
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php_error_docref(NULL, E_WARNING,
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"Could not convert string from unicode: `%s'", msg);
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php_win32_error_msg_free(msg);
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}
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if (string_len) {
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*string_len = length-1;
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}
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return string;
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}
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