natSystem.cc (getpwuid_adaptor): New overloaded function that detects the signature of getpwuid_r.

* java/lang/natSystem.cc (getpwuid_adaptor): New overloaded
function that detects the signature of getpwuid_r.
(init_properties): Use it.
* java/util/natDate.cc (ctime_adaptor): Likewise for ctime_r.
(toString): Use it.

From-SVN: r28790

1 files changed, 23 insertions, 1 deletions

diff --git a/libjava/java/util/natDate.cc b/libjava/java/util/natDate.cc
index 27f91f6..563f8c0 100644
--- a/libjava/java/util/natDate.cc
+++ b/libjava/java/util/natDate.cc
@@ -28,13 +28,35 @@ details.  */
 #include <sys/time.h>
 #endif
 
+#if HAVE_CTIME_R
+/* Use overload resolution to find out the signature of ctime_r.  */
+
+  /* This is Posix ctime_r().  */
+template <typename T_clock, typename T_buf, size_t buflen>
+static inline char *
+ctime_adaptor (char* (*ctime_r)(T_clock *clock, T_buf *buf),
+	       time_t *clock, char (&buf)[buflen])
+{
+  return ctime_r(clock, buf);
+}
+
+/* This is an old-style ctime_r, used on IRIX 5.2.  */
+template <typename T_clock, typename T_buf, typename T_buflen, size_t buflen>
+static inline char *
+ctime_adaptor (char* (*ctime_r)(T_clock *clock, T_buf *buf, T_buflen len),
+	       time_t *clock, char (&buf)[buflen])
+{
+  return ctime_r(clock, buf, buflen);
+}
+#endif
+
 jstring
 java::util::Date::toString()
 {
 #ifdef HAVE_CTIME_R
   time_t t = millis / 1000;
   char buf[30];
-  return JvNewStringLatin1 (ctime_r (&t, buf));
+  return JvNewStringLatin1 (ctime_adaptor (ctime_r, &t, buf));
 #elif defined (HAVE_CTIME)
   // FIXME: this isn't thread-safe.
   time_t t = millis / 1000;