--- /dev/null
+/*****************************************************************************/
+/* */
+/* filetime.c */
+/* */
+/* Replacement for buggy Microsoft code */
+/* */
+/* */
+/* */
+/* (C) 2012, Ullrich von Bassewitz */
+/* Roemerstrasse 52 */
+/* D-70794 Filderstadt */
+/* EMail: uz@cc65.org */
+/* */
+/* */
+/* This software is provided 'as-is', without any expressed or implied */
+/* warranty. In no event will the authors be held liable for any damages */
+/* arising from the use of this software. */
+/* */
+/* Permission is granted to anyone to use this software for any purpose, */
+/* including commercial applications, and to alter it and redistribute it */
+/* freely, subject to the following restrictions: */
+/* */
+/* 1. The origin of this software must not be misrepresented; you must not */
+/* claim that you wrote the original software. If you use this software */
+/* in a product, an acknowledgment in the product documentation would be */
+/* appreciated but is not required. */
+/* 2. Altered source versions must be plainly marked as such, and must not */
+/* be misrepresented as being the original software. */
+/* 3. This notice may not be removed or altered from any source */
+/* distribution. */
+/* */
+/*****************************************************************************/
+
+
+
+/* This module works around bugs in the time conversion code supplied by
+ * Microsoft. The problem described here:
+ * http://www.codeproject.com/KB/datetime/dstbugs.aspx
+ * is also true when setting file times via utime(), so we need a
+ * replacement
+ */
+
+
+
+#if defined(__WATCOMC__) && defined(__NT__)
+#define BUGGY_OS 1
+#include <errno.h>
+#include <windows.h>
+#else
+#if defined(__WATCOMC__) || defined(_MSC_VER) || defined(__MINGW32__)
+/* The Windows compilers have the file in the wrong directory */
+# include <sys/utime.h>
+#else
+# include <sys/types.h> /* FreeBSD needs this */
+# include <utime.h>
+#endif
+#endif
+
+
+/* common */
+#include "filetime.h"
+
+
+
+/*****************************************************************************/
+/* Code */
+/*****************************************************************************/
+
+
+
+#if defined(BUGGY_OS)
+
+
+
+static FILETIME* UnixTimeToFileTime (time_t T, FILETIME* FT)
+/* Calculate a FILETIME value from a time_t. FILETIME contains a 64 bit
+ * value with point zero at 1600-01-01 00:00:00 and counting 100ns intervals.
+ * time_t is in seconds since 1970-01-01 00:00:00.
+ */
+{
+ /* Offset between 1600-01-01 and the Epoch in seconds. Watcom C has no
+ * way to express a number > 32 bit (known to me) but is able to do
+ * calculations with 64 bit integers, so we need to do it this way.
+ */
+ static const ULARGE_INTEGER Offs = { 0xB6109100UL, 0x00000020UL };
+ ULARGE_INTEGER V;
+ V.QuadPart = (unsigned __int64) T * 10000000U + Offs.QuadPart;
+ FT->dwLowDateTime = V.LowPart;
+ FT->dwHighDateTime = V.HighPart;
+ return FT;
+}
+
+
+
+int SetFileTimes (const char* Path, time_t T)
+/* Set the time of last modification and the time of last access of a file to
+ * the given time T. This calls utime() for system where it works, and applies
+ * workarounds for all others (which in fact means "WINDOWS").
+ */
+{
+ HANDLE H;
+ FILETIME FileTime;
+ int Error = EACCES; /* Assume an error */
+
+
+ /* Open the file */
+ H = CreateFile (Path,
+ GENERIC_WRITE,
+ FILE_SHARE_READ,
+ 0, /* Security attributes */
+ OPEN_EXISTING,
+ 0, /* File flags */
+ 0); /* Template file */
+ if (H != INVALID_HANDLE_VALUE) {
+ /* Set access and modification time */
+ UnixTimeToFileTime (T, &FileTime);
+ if (SetFileTime (H, 0, &FileTime, &FileTime)) {
+ /* Done */
+ Error = 0;
+ }
+
+ /* Close the handle */
+ (void) CloseHandle (H);
+ }
+
+ /* Return the error code */
+ return Error;
+}
+
+
+
+#else
+
+
+
+int SetFileTimes (const char* Path, time_t T)
+/* Set the time of last modification and the time of last access of a file to
+ * the given time T. This calls utime() for system where it works, and applies
+ * workarounds for all others (which in fact means "WINDOWS").
+ */
+{
+ struct utimbuf U;
+
+ /* Set access and modification time */
+ U.actime = T;
+ U.modtime = T;
+ return utime (Path, &U);
+}
+
+
+
+#endif
+
+
+
--- /dev/null
+/*****************************************************************************/
+/* */
+/* filetime.h */
+/* */
+/* Replacement for buggy Microsoft code */
+/* */
+/* */
+/* */
+/* (C) 2012, Ullrich von Bassewitz */
+/* Roemerstrasse 52 */
+/* D-70794 Filderstadt */
+/* EMail: uz@cc65.org */
+/* */
+/* */
+/* This software is provided 'as-is', without any expressed or implied */
+/* warranty. In no event will the authors be held liable for any damages */
+/* arising from the use of this software. */
+/* */
+/* Permission is granted to anyone to use this software for any purpose, */
+/* including commercial applications, and to alter it and redistribute it */
+/* freely, subject to the following restrictions: */
+/* */
+/* 1. The origin of this software must not be misrepresented; you must not */
+/* claim that you wrote the original software. If you use this software */
+/* in a product, an acknowledgment in the product documentation would be */
+/* appreciated but is not required. */
+/* 2. Altered source versions must be plainly marked as such, and must not */
+/* be misrepresented as being the original software. */
+/* 3. This notice may not be removed or altered from any source */
+/* distribution. */
+/* */
+/*****************************************************************************/
+
+
+
+/* This module works around bugs in the time conversion code supplied by
+ * Microsoft. The problem described here:
+ * http://www.codeproject.com/KB/datetime/dstbugs.aspx
+ * is also true when setting file times via utime(), so we need a
+ * replacement
+ */
+
+
+
+#ifndef FILETIME_H
+#define FILETIME_H
+
+
+
+#include <time.h>
+
+
+
+/*****************************************************************************/
+/* Code */
+/*****************************************************************************/
+
+
+
+int SetFileTimes (const char* Path, time_t T);
+/* Set the time of last modification and the time of last access of a file to
+ * the given time T. This calls utime() for system where it works, and applies
+ * workarounds for all others (which in fact means "WINDOWS").
+ */
+
+
+
+/* End of filestat.h */
+
+#endif
+
+
+
projects / cc65 / commitdiff