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-rw-r--r--oslib-win32.c27
1 files changed, 27 insertions, 0 deletions
diff --git a/oslib-win32.c b/oslib-win32.c
index 1ddd857..e03c472 100644
--- a/oslib-win32.c
+++ b/oslib-win32.c
@@ -92,3 +92,30 @@ int inet_aton(const char *cp, struct in_addr *ia)
void qemu_set_cloexec(int fd)
{
}
+
+/* mingw32 needs ffs for compilations without optimization. */
+int ffs(int i)
+{
+ /* Use gcc's builtin ffs. */
+ return __builtin_ffs(i);
+}
+
+/* Offset between 1/1/1601 and 1/1/1970 in 100 nanosec units */
+#define _W32_FT_OFFSET (116444736000000000ULL)
+
+int qemu_gettimeofday(qemu_timeval *tp)
+{
+ union {
+ unsigned long long ns100; /*time since 1 Jan 1601 in 100ns units */
+ FILETIME ft;
+ } _now;
+
+ if(tp) {
+ GetSystemTimeAsFileTime (&_now.ft);
+ tp->tv_usec=(long)((_now.ns100 / 10ULL) % 1000000ULL );
+ tp->tv_sec= (long)((_now.ns100 - _W32_FT_OFFSET) / 10000000ULL);
+ }
+ /* Always return 0 as per Open Group Base Specifications Issue 6.
+ Do not set errno on error. */
+ return 0;
+}
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