diff options
Diffstat (limited to 'src/kmk/w32/subproc/w32err.c')
-rw-r--r-- | src/kmk/w32/subproc/w32err.c | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/src/kmk/w32/subproc/w32err.c b/src/kmk/w32/subproc/w32err.c new file mode 100644 index 0000000..14eebed --- /dev/null +++ b/src/kmk/w32/subproc/w32err.c @@ -0,0 +1,85 @@ +/* Error handling for Windows +Copyright (C) 1996-2016 Free Software Foundation, Inc. +This file is part of GNU Make. + +GNU Make 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; either version 3 of the License, or (at your option) any later +version. + +GNU Make 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 <stdlib.h> +#include <windows.h> +#include "makeint.h" +#include "w32err.h" + +/* + * Description: the windows32 version of perror() + * + * Returns: a pointer to a static error + * + * Notes/Dependencies: I got this from + * comp.os.ms-windows.programmer.win32 + */ +const char * +map_windows32_error_to_string (DWORD ercode) { +/* + * We used to have an MSVC-specific '__declspec (thread)' qualifier + * here, with the following comment: + * + * __declspec (thread) necessary if you will use multiple threads on MSVC + * + * However, Make was never multithreaded on Windows (except when + * Ctrl-C is hit, in which case the main thread is stopped + * immediately, so it doesn't matter in this context). The functions + * on sub_proc.c that started and stopped additional threads were + * never used, and are now #ifdef'ed away. Until we need more than + * one thread, we have no problems with the following buffer being + * static. (If and when we do need it to be in thread-local storage, + * the corresponding GCC qualifier is '__thread'.) + */ + static char szMessageBuffer[128]; + /* Fill message buffer with a default message in + * case FormatMessage fails + */ + wsprintf (szMessageBuffer, "Error %ld\n", ercode); + + /* + * Special code for winsock error handling. + */ + if (ercode > WSABASEERR) { +#if 0 + HMODULE hModule = GetModuleHandle("wsock32"); + if (hModule != NULL) { + FormatMessage(FORMAT_MESSAGE_FROM_HMODULE, + hModule, + ercode, + LANG_NEUTRAL, + szMessageBuffer, + sizeof(szMessageBuffer), + NULL); + FreeLibrary(hModule); + } +#else + O (fatal, NILF, szMessageBuffer); +#endif + } else { + /* + * Default system message handling + */ + FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM, + NULL, + ercode, + LANG_NEUTRAL, + szMessageBuffer, + sizeof(szMessageBuffer), + NULL); + } + return szMessageBuffer; +} |