1 files changed, 85 insertions, 0 deletions
diff --git a/w32/subproc/w32err.c b/w32/subproc/w32err.c
new file mode 100644
index 0000000..9ff4f4c
--- /dev/null
+++ b/w32/subproc/w32err.c
@@ -0,0 +1,85 @@
+/* Error handling for Windows
+Copyright (C) 1996-2014 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;
+}