- (internal) add localtime4_r thread-safe API

git-svn-id: http://opensvn.csie.org/pttbbs/trunk/pttbbs@4271 63ad8ddf-47c3-0310-b6dd-a9e9d9715204

2 files changed, 21 insertions, 3 deletions

diff --git a/common/sys/time.c b/common/sys/time.c
index 7cf963b3..7a3768c1 100644
--- a/common/sys/time.c
+++ b/common/sys/time.c
@@ -112,6 +112,20 @@ struct tm *localtime4(const time4_t *t)
     }
 }
 
+struct tm*
+localtime4_r(const time4_t *t, struct tm *pt)
+{
+    if (t)
+    {
+	time_t temp  = (time_t)*t;
+	localtime_r(&temp, pt);
+    }
+    else
+	localtime_r(NULL, pt);
+    return pt;
+}
+
+
 time4_t time4(time4_t *ptr)
 {
     if( ptr == NULL )
diff --git a/include/cmsys.h b/include/cmsys.h
index abb66213..a50793fe 100644
--- a/include/cmsys.h
+++ b/include/cmsys.h
@@ -113,11 +113,15 @@ extern const char* Cdatelite(const time4_t *clock);
 extern const char* Cdatedate(const time4_t * clock);
 extern const char * Cdate_mdHM(const time4_t * clock);
 extern const char* my_ctime(const time4_t * t, char *ans, int len);
+extern struct tm localtime4r(const time4_t *t);
+
 #ifdef TIMET64
-    struct tm *localtime4(const time4_t *);
-    time4_t time4(time4_t *);
-    char *ctime4(const time4_t *);
+    struct tm*	localtime4(const time4_t *);
+    struct tm*	localtime4_r(const time4_t *, struct tm *);
+    time4_t	time4(time4_t *);
+    char*	ctime4(const time4_t *);
 #else
+    #define localtime4_r(a,b) localtime_r(a,b)
     #define localtime4(a) localtime(a)
     #define time4(a)      time(a)
     #define ctime4(a)     ctime(a)