| 1 | /* Error handling for Windows
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| 2 | Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
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| 3 | 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
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| 4 | This file is part of GNU Make.
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| 5 |
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| 6 | GNU Make is free software; you can redistribute it and/or modify it under the
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| 7 | terms of the GNU General Public License as published by the Free Software
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| 8 | Foundation; either version 3 of the License, or (at your option) any later
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| 9 | version.
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| 10 |
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| 11 | GNU Make is distributed in the hope that it will be useful, but WITHOUT ANY
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| 12 | WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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| 13 | A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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| 14 |
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| 15 | You should have received a copy of the GNU General Public License along with
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| 16 | this program. If not, see <http://www.gnu.org/licenses/>. */
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| 17 |
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| 18 | #include <windows.h>
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| 19 | #include "w32err.h"
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| 20 |
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| 21 | /*
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| 22 | * Description: the windows32 version of perror()
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| 23 | *
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| 24 | * Returns: a pointer to a static error
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| 25 | *
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| 26 | * Notes/Dependencies: I got this from
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| 27 | * comp.os.ms-windows.programmer.win32
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| 28 | */
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| 29 | char *
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| 30 | map_windows32_error_to_string (DWORD ercode) {
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| 31 | /* __declspec (thread) necessary if you will use multiple threads on MSVC */
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| 32 | #ifdef _MSC_VER
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| 33 | __declspec (thread) static char szMessageBuffer[128];
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| 34 | #else
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| 35 | static char szMessageBuffer[128];
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| 36 | #endif
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| 37 | /* Fill message buffer with a default message in
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| 38 | * case FormatMessage fails
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| 39 | */
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| 40 | wsprintf (szMessageBuffer, "Error %ld\n", ercode);
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| 41 |
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| 42 | /*
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| 43 | * Special code for winsock error handling.
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| 44 | */
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| 45 | if (ercode > WSABASEERR) {
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| 46 | HMODULE hModule = GetModuleHandle("wsock32");
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| 47 | if (hModule != NULL) {
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| 48 | FormatMessage(FORMAT_MESSAGE_FROM_HMODULE,
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| 49 | hModule,
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| 50 | ercode,
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| 51 | LANG_NEUTRAL,
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| 52 | szMessageBuffer,
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| 53 | sizeof(szMessageBuffer),
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| 54 | NULL);
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| 55 | FreeLibrary(hModule);
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| 56 | }
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| 57 | } else {
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| 58 | /*
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| 59 | * Default system message handling
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| 60 | */
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| 61 | FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM,
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| 62 | NULL,
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| 63 | ercode,
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| 64 | LANG_NEUTRAL,
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| 65 | szMessageBuffer,
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| 66 | sizeof(szMessageBuffer),
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| 67 | NULL);
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| 68 | }
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| 69 | return szMessageBuffer;
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| 70 | }
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