[simulator] 消除vs下的警告

2 files changed, 14 insertions, 10 deletions

diff --git a/components/libc/compilers/common/sys/time.h b/components/libc/compilers/common/sys/time.h
index 55c60d716e..ce3f3a3c08 100644
--- a/components/libc/compilers/common/sys/time.h
+++ b/components/libc/compilers/common/sys/time.h
@@ -42,20 +42,14 @@ struct timezone
     int tz_dsttime;       /* type of dst correction */
 };
 
-/*
- * Structure returned by gettimeofday(2) system call,
- * and used in other calls.
- */
-#ifndef _TIMEVAL_DEFINED
+#if !defined(_TIMEVAL_DEFINED) && !defined(_WIN32)
 #define _TIMEVAL_DEFINED
-#if !defined(_WIN32)
 struct timeval
 {
     time_t      tv_sec;     /* seconds */
     suseconds_t tv_usec;    /* and microseconds */
 };
 #endif
-#endif /* _TIMEVAL_DEFINED */
 
 #if !(defined(__GNUC__) && !defined(__ARMCC_VERSION)/*GCC*/) && \
     !(defined(__ICCARM__) && (__VER__ >= 8010001)) && \
@@ -73,6 +67,16 @@ int gettimeofday(struct timeval *tv, struct timezone *tz);
 int settimeofday(const struct timeval *tv, const struct timezone *tz);
 #if defined(__ARMCC_VERSION) || defined (__ICCARM__)
 struct tm *gmtime_r(const time_t *timep, struct tm *r);
+#elif defined(_WIN32)
+struct tm* gmtime_r(const time_t* timep, struct tm* r);
+struct tm* gmtime(const time_t* t);
+struct tm* localtime_r(const time_t* t, struct tm* r);
+struct tm* localtime(const time_t* t);
+time_t mktime(struct tm* const t);
+char* asctime_r(const struct tm* t, char* buf);
+char* ctime_r(const time_t* tim_p, char* result);
+char* ctime(const time_t* tim_p);
+time_t time(time_t* t);
 #endif
 
 #ifdef RT_USING_POSIX_CLOCK
diff --git a/components/libc/compilers/common/time.c b/components/libc/compilers/common/time.c
index 256268a3fc..d5442738a8 100644
--- a/components/libc/compilers/common/time.c
+++ b/components/libc/compilers/common/time.c
@@ -217,7 +217,7 @@ struct tm* localtime_r(const time_t* t, struct tm* r)
 {
     time_t local_tz;
 
-    local_tz = *t + tz_get() * 3600;
+    local_tz = *t + (time_t)tz_get() * 3600;
     return gmtime_r(&local_tz, r);
 }
 RTM_EXPORT(localtime_r);
@@ -234,7 +234,7 @@ time_t mktime(struct tm * const t)
     time_t timestamp;
 
     timestamp = timegm(t);
-    timestamp = timestamp - 3600 * tz_get();
+    timestamp = timestamp - 3600 * (time_t)tz_get();
     return timestamp;
 }
 RTM_EXPORT(mktime);
@@ -367,7 +367,7 @@ time_t timegm(struct tm * const t)
 {
     register time_t day;
     register time_t i;
-    register time_t years = t->tm_year - 70;
+    register time_t years = (time_t)t->tm_year - 70;
 
     if (t->tm_sec > 60)
     {