From: Tim Kientzle <kientzle@gmail.com>
Date: Mon, 29 Dec 2008 00:21:35 +0000 (-0500)
Subject: futimes() and utimes() emulations for Windows.
X-Git-Tag: v2.7.0~540
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c19a33d79723449efe7e544b8764fa180b243077;p=thirdparty%2Flibarchive.git

futimes() and utimes() emulations for Windows.

Submitted by:	Michihiro NAKAJIMA

SVN-Revision: 300
---

diff --git a/libarchive/archive_windows.c b/libarchive/archive_windows.c
index 1f4d273da..579bb45ef 100644
--- a/libarchive/archive_windows.c
+++ b/libarchive/archive_windows.c
@@ -185,4 +185,50 @@ int fstati64 (int fd, struct _stati64 *st)
 	return res;
 }
 
+#define WINTIME(sec, usec)	((Int32x32To64(sec, 10000000) + 116444736000000000) + (usec * 10))
+static int
+__hutimes(HANDLE handle, const struct __timeval *times)
+{
+	uint64_t wintm;
+	FILETIME fatime, fmtime;
+
+	wintm = WINTIME(times[0].tv_sec, times[0].tv_usec);
+	fatime.dwLowDateTime = (DWORD)wintm;
+	fatime.dwHighDateTime = wintm >> 32;
+	wintm = WINTIME(times[1].tv_sec, times[1].tv_usec);
+	fmtime.dwLowDateTime = (DWORD)wintm;
+	fmtime.dwHighDateTime = wintm >> 32;
+	if (SetFileTime(handle, NULL, &fatime, &fmtime) == 0) {
+		errno = EINVAL;
+		return (-1);
+	}
+	return (0);
+}
+
+int
+futimes(int fd, const struct __timeval *times)
+{
+
+	return (__hutimes((HANDLE)_get_osfhandle(fd), times));
+}
+
+int
+utimes(const char *name, const struct __timeval *times)
+{
+	int ret;
+	HANDLE handle;
+
+	handle = CreateFile(name, GENERIC_READ | GENERIC_WRITE,
+	    FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING,
+	    0, NULL);
+	if (handle == INVALID_HANDLE_VALUE) {
+		errno = EINVAL;
+		return (-1);
+	}
+	ret = __hutimes(handle, times);
+	CloseHandle(handle);
+	return (ret);
+}
+
+
 #endif /* _WIN32 */
diff --git a/libarchive/archive_windows.h b/libarchive/archive_windows.h
index 5d5d2d61e..3bb7645b5 100644
--- a/libarchive/archive_windows.h
+++ b/libarchive/archive_windows.h
@@ -239,6 +239,17 @@
 #endif /* __MINGW32__ */
 #endif /* LARGE_FILES */
 
+#ifdef USE_WINSOCK_TIMEVAL
+/* Winsock timeval has long size tv_sec. */
+#define __timeval timeval
+#else
+struct _timeval64i32 {
+	time_t		tv_sec;
+	long		tv_usec;
+};
+#define __timeval _timeval64i32
+#endif
+
 /* End of Win32 definitions. */
 
 #ifdef __cplusplus
@@ -247,6 +258,9 @@ extern "C" {
 
 extern int link (const char *from, const char *to);
 extern int symlink (const char *from, const char *to);
+extern int _dosmaperr(unsigned long);
+extern int futimes(int fd, const struct __timeval *times);
+extern int utimes(const char *name, const struct __timeval *times);
 
 #ifdef __cplusplus
 }