mirror of
https://git.proxmox.com/git/libgit2
synced 2025-05-29 23:58:00 +00:00
54 lines
1.3 KiB
C
54 lines
1.3 KiB
C
/*
|
|
* Copyright (C) the libgit2 contributors. All rights reserved.
|
|
*
|
|
* This file is part of libgit2, distributed under the GNU GPL v2 with
|
|
* a Linking Exception. For full terms see the included COPYING file.
|
|
*/
|
|
|
|
#include "common.h"
|
|
#include "error.h"
|
|
#include "utf-conv.h"
|
|
|
|
#ifdef GIT_WINHTTP
|
|
# include <winhttp.h>
|
|
#endif
|
|
|
|
char *git_win32_get_error_message(DWORD error_code)
|
|
{
|
|
LPWSTR lpMsgBuf = NULL;
|
|
HMODULE hModule = NULL;
|
|
char *utf8_msg = NULL;
|
|
DWORD dwFlags =
|
|
FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_IGNORE_INSERTS;
|
|
|
|
if (!error_code)
|
|
return NULL;
|
|
|
|
#ifdef GIT_WINHTTP
|
|
/* Errors raised by WinHTTP are not in the system resource table */
|
|
if (error_code >= WINHTTP_ERROR_BASE &&
|
|
error_code <= WINHTTP_ERROR_LAST)
|
|
hModule = GetModuleHandleW(L"winhttp");
|
|
#endif
|
|
|
|
GIT_UNUSED(hModule);
|
|
|
|
if (hModule)
|
|
dwFlags |= FORMAT_MESSAGE_FROM_HMODULE;
|
|
else
|
|
dwFlags |= FORMAT_MESSAGE_FROM_SYSTEM;
|
|
|
|
if (FormatMessageW(dwFlags, hModule, error_code,
|
|
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
|
|
(LPWSTR)&lpMsgBuf, 0, NULL)) {
|
|
/* Convert the message to UTF-8. If this fails, we will
|
|
* return NULL, which is a condition expected by the caller */
|
|
if (git__utf16_to_8_alloc(&utf8_msg, lpMsgBuf) < 0)
|
|
utf8_msg = NULL;
|
|
|
|
LocalFree(lpMsgBuf);
|
|
}
|
|
|
|
return utf8_msg;
|
|
}
|