ctime_r and asctime_r are not implemented.

prototypes in time.h do not match POSIX.

PR:		6345
Reviewed by:	phk
Submitted by:	Dmitry Khrustalev <dima@xyzzy.machaon.ru>

3 files changed, 23 insertions, 5 deletions

diff --git a/include/time.h b/include/time.h
index 3ef83609f672..a2a89c7932ed 100644
--- a/include/time.h
+++ b/include/time.h
@@ -128,8 +128,8 @@ size_t strftime __P((char *, size_t, const char *, const struct tm *));
 time_t time __P((time_t *));
 
 #ifdef	_THREAD_SAFE
-int asctime_r __P((const struct tm *, char *, int));
-int ctime_r __P((const time_t *, char *, int));
+char *asctime_r __P((const struct tm *, char *));
+char *ctime_r __P((const time_t *, char *));
 struct tm *gmtime_r __P((const time_t *, struct tm *));
 struct tm *localtime_r __P((const time_t *, struct tm *));
 #endif
diff --git a/lib/libc/stdtime/asctime.c b/lib/libc/stdtime/asctime.c
index a1834b65a273..832f18592ff3 100644
--- a/lib/libc/stdtime/asctime.c
+++ b/lib/libc/stdtime/asctime.c
@@ -18,9 +18,20 @@ static char	elsieid[] = "@(#)asctime.c	7.7";
 ** A la X3J11, with core dump avoidance.
 */
 
+
 char *
 asctime(timeptr)
-register const struct tm *	timeptr;
+const struct tm *	timeptr;
+{
+	static char		result[3 * 2 + 5 * INT_STRLEN_MAXIMUM(int) +
+					3 + 2 + 1 + 1];
+	return(asctime_r(timeptr, result));
+}
+
+char *
+asctime_r(timeptr, result)
+const struct tm *	timeptr;
+char *result;
 {
 	static const char	wday_name[][3] = {
 		"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"
@@ -36,8 +47,6 @@ register const struct tm *	timeptr;
 	** three explicit spaces, two explicit colons, a newline,
 	** and a trailing ASCII nul).
 	*/
-	static char		result[3 * 2 + 5 * INT_STRLEN_MAXIMUM(int) +
-					3 + 2 + 1 + 1];
 	register const char *	wn;
 	register const char *	mn;
 
diff --git a/lib/libc/stdtime/localtime.c b/lib/libc/stdtime/localtime.c
index 5de39d66fa6e..61614c75e796 100644
--- a/lib/libc/stdtime/localtime.c
+++ b/lib/libc/stdtime/localtime.c
@@ -1345,6 +1345,15 @@ const time_t * const	timep;
 	return asctime(localtime(timep));
 }
 
+char *
+ctime_r(timep, buf)
+const time_t * const	timep;
+char *buf;
+{
+        struct tm tm;
+	return asctime_r(localtime_r(timep, &tm), buf);
+}
+
 /*
 ** Adapted from code provided by Robert Elz, who writes:
 **	The "best" way to do mktime I think is based on an idea of Bob