diff options
Diffstat (limited to 'windows/windbg.c')
| -rw-r--r-- | windows/windbg.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/windows/windbg.c b/windows/windbg.c index bfbf0a343..ccbecc31e 100644 --- a/windows/windbg.c +++ b/windows/windbg.c @@ -1,3 +1,22 @@ +/* + * Copyright 2011 Vincent Sanders <vince@netsurf-browser.org> + * + * This file is part of NetSurf, http://www.netsurf-browser.org/ + * + * NetSurf is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * NetSurf is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <windows.h> #include <stdio.h> #include "windbg.h" @@ -610,3 +629,35 @@ const char *msg_num_to_name(int msg) return str; } + +void win_perror(const char * lpszFunction) +{ + /* Retrieve the system error message for the last-error code */ + + LPVOID lpMsgBuf; + LPVOID lpDisplayBuf; + DWORD dw = GetLastError(); + + FormatMessage( + FORMAT_MESSAGE_ALLOCATE_BUFFER | + FORMAT_MESSAGE_FROM_SYSTEM | + FORMAT_MESSAGE_IGNORE_INSERTS, + NULL, + dw, + MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), + (LPTSTR) &lpMsgBuf, + 0, NULL ); + + /* Display the error message and exit the process */ + + lpDisplayBuf = (LPVOID)LocalAlloc(LMEM_ZEROINIT, (lstrlen((LPCTSTR)lpMsgBuf) + lstrlen((LPCTSTR)lpszFunction) + 40) * sizeof(TCHAR)); + + snprintf((LPTSTR)lpDisplayBuf, + LocalSize(lpDisplayBuf) / sizeof(TCHAR), + TEXT("%s failed with error %ld: %s"), + lpszFunction, dw, (char *)lpMsgBuf); + MessageBox(NULL, (LPCTSTR)lpDisplayBuf, TEXT("Error"), MB_OK); + + LocalFree(lpMsgBuf); + LocalFree(lpDisplayBuf); +} |