# HG changeset patch
# User John W. Eaton <jwe@octave.org>
# Date 1322815898 18000
# Node ID f5bd61eb032f94059361c48f06bb0253fa1eea6a
# Parent  2c664266e9d0f590e9973a29e035ad9504ad2977
handle tm_gmtoff field in struct tm

* oct-time.h, oct-time.cc (octave_time::tm_gmtoff): New data member.
Update all functions that manipulate time fields.
(octave_time::gmtoff): New functions.
(DEFINE_SET_FIELD_FCN): New macro, adapted from
DEFINE_SET_INT_FIELD_FCN.
(DEFINE_SET_INT_FIELD_FCN): Define using DEFINE_SET_FIELD_FCN.

diff -r 2c664266e9d0 -r f5bd61eb032f liboctave/oct-time.cc
--- a/liboctave/oct-time.cc	Fri Dec 02 03:51:37 2011 -0500
+++ b/liboctave/oct-time.cc	Fri Dec 02 03:51:38 2011 -0500
@@ -52,6 +52,7 @@
   t.tm_wday = tm.wday ();
   t.tm_yday = tm.yday ();
   t.tm_isdst = tm.isdst ();
+  t.tm_gmtoff = tm.gmtoff ();
 
 #if defined (HAVE_STRUCT_TM_TM_ZONE)
   std::string s = tm.zone ();
@@ -98,29 +99,17 @@
 //
 // So, we no longer check limits here.
 
-#if 0
-#define DEFINE_SET_INT_FIELD_FCN(f, lo, hi) \
+#define DEFINE_SET_FIELD_FCN(type, f, lo, hi) \
   octave_base_tm& \
-  octave_base_tm::f (int v) \
-  { \
-    if (v < lo || v > hi) \
-      (*current_liboctave_error_handler) \
-        ("invalid value specified for " #f); \
- \
-    tm_ ## f = v; \
- \
-    return *this; \
-  }
-#else
-#define DEFINE_SET_INT_FIELD_FCN(f, lo, hi) \
-  octave_base_tm& \
-  octave_base_tm::f (int v) \
+  octave_base_tm::f (type v) \
   { \
     tm_ ## f = v; \
  \
     return *this; \
   }
-#endif
+
+#define DEFINE_SET_INT_FIELD_FCN(f, lo, hi) \
+  DEFINE_SET_FIELD_FCN (int, f, lo, hi)
 
 DEFINE_SET_INT_FIELD_FCN (usec, 0, 1000000)
 DEFINE_SET_INT_FIELD_FCN (sec, 0, 61)
@@ -132,6 +121,7 @@
 DEFINE_SET_INT_FIELD_FCN (wday, 0, 6)
 DEFINE_SET_INT_FIELD_FCN (yday, 0, 365)
 DEFINE_SET_INT_FIELD_FCN (isdst, 0, 1)
+DEFINE_SET_FIELD_FCN (long, gmtoff, -86400, 0)
 
 octave_base_tm&
 octave_base_tm::zone (const std::string& s)
@@ -163,6 +153,10 @@
       t.tm_yday = tm_yday;
       t.tm_isdst = tm_isdst;
 
+#if defined (HAVE_STRUCT_TM_GMTOFF)
+      t.tm_gmtoff = tm_gmtoff;
+#endif
+
 #if defined (HAVE_STRUCT_TM_TM_ZONE)
       char *ps = strsave (tm_zone.c_str ());
       t.tm_zone = ps;
@@ -215,6 +209,10 @@
   tm_yday = t->tm_yday;
   tm_isdst = t->tm_isdst;
 
+#if defined (HAVE_STRUCT_TM_GMTOFF)
+  tm_gmtoff = t->tm_gmtoff;
+#endif
+
 #if defined (HAVE_STRUCT_TM_TM_ZONE)
   if (t->tm_zone)
     tm_zone = t->tm_zone;
@@ -259,6 +257,10 @@
   t.tm_yday = 0;
   t.tm_isdst = 0;
 
+#if defined (HAVE_STRUCT_TM_GMTOFF)
+  t.tm_gmtoff = 0;
+#endif
+
 #if defined (HAVE_STRUCT_TM_TM_ZONE)
   char *ps = strsave ("");
   t.tm_zone = ps;
diff -r 2c664266e9d0 -r f5bd61eb032f liboctave/oct-time.h
--- a/liboctave/oct-time.h	Fri Dec 02 03:51:37 2011 -0500
+++ b/liboctave/oct-time.h	Fri Dec 02 03:51:38 2011 -0500
@@ -174,14 +174,14 @@
   octave_base_tm (void)
     : tm_usec (0), tm_sec (0), tm_min (0), tm_hour (0),
       tm_mday (0), tm_mon (0), tm_year (0), tm_wday (0),
-      tm_yday (0), tm_isdst (0), tm_zone ("unknown")
+      tm_yday (0), tm_isdst (0), tm_gmtoff (0), tm_zone ("unknown")
   { }
 
   octave_base_tm (const octave_base_tm& tm)
     : tm_usec (tm.tm_usec), tm_sec (tm.tm_sec), tm_min (tm.tm_min),
       tm_hour (tm.tm_hour), tm_mday (tm.tm_mday), tm_mon (tm.tm_mon),
       tm_year (tm.tm_year), tm_wday (tm.tm_wday), tm_yday (tm.tm_yday),
-      tm_isdst (tm.tm_isdst), tm_zone (tm.tm_zone)
+      tm_isdst (tm.tm_isdst), tm_gmtoff (tm.tm_gmtoff), tm_zone (tm.tm_zone)
   { }
 
   octave_base_tm& operator = (const octave_base_tm& tm)
@@ -198,6 +198,7 @@
         tm_wday = tm.tm_wday;
         tm_yday = tm.tm_yday;
         tm_isdst = tm.tm_isdst;
+        tm_gmtoff = tm.tm_gmtoff;
         tm_zone = tm.tm_zone;
       }
 
@@ -216,6 +217,7 @@
   int wday (void) const { return tm_wday; }
   int yday (void) const { return tm_yday; }
   int isdst (void) const { return tm_isdst; }
+  long gmtoff (void) const { return tm_gmtoff; }
   std::string zone (void) const { return tm_zone; }
 
   octave_base_tm& usec (int v);
@@ -228,6 +230,7 @@
   octave_base_tm& wday (int v);
   octave_base_tm& yday (int v);
   octave_base_tm& isdst (int v);
+  octave_base_tm& gmtoff (long v);
   octave_base_tm& zone (const std::string& s);
 
   std::string strftime (const std::string& fmt) const;
@@ -268,6 +271,9 @@
   int tm_isdst;
 
   // Time zone.
+  long tm_gmtoff;
+
+  // Time zone.
   std::string tm_zone;
 
   void init (void *p);