LwIP 2.2.1在STM32F407VET6平台 移植

ThirdParty/lwip-2.2.1/contrib/ports/win32/check/time.c

@@ -0,0 +1,66 @@
+#include <time.h>
+
+#include <windows.h>
+#if defined(_MSC_VER) || defined(_MSC_EXTENSIONS)
+  #define DELTA_EPOCH_IN_MICROSECS  11644473600000000Ui64
+#else
+  #define DELTA_EPOCH_IN_MICROSECS  11644473600000000ULL
+#endif
+
+#include "config.h"
+
+struct timezone
+{
+  int tz_minuteswest; /* minutes W of Greenwich */
+  int tz_dsttime;     /* type of dst correction */
+};
+
+int gettimeofday(struct timeval *tv, struct timezone *tz)
+{
+  FILETIME ft;
+  unsigned __int64 tmpres = 0;
+  static int tzflag;
+
+  if (NULL != tv) {
+    GetSystemTimeAsFileTime(&ft);
+
+    tmpres |= ft.dwHighDateTime;
+    tmpres <<= 32;
+    tmpres |= ft.dwLowDateTime;
+
+    /*converting file time to unix epoch*/
+    tmpres -= DELTA_EPOCH_IN_MICROSECS;
+    tmpres /= 10;  /*convert into microseconds*/
+    tv->tv_sec = (long)(tmpres / 1000000UL);
+    tv->tv_usec = (long)(tmpres % 1000000UL);
+  }
+
+  if (NULL != tz) {
+    if (!tzflag) {
+      _tzset();
+      tzflag++;
+    }
+    tz->tz_minuteswest = _timezone / 60;
+    tz->tz_dsttime = _daylight;
+  }
+
+  return 0;
+}
+
+struct tm *
+localtime_r(const time_t *timer, struct tm *result)
+{
+  struct tm *local_result;
+
+  if (result == NULL) {
+    return NULL;
+  }
+
+  local_result = localtime (timer);
+  if (local_result == NULL) {
+    return NULL;
+  }
+
+  memcpy(result, local_result, sizeof(*result));
+  return result;
+}