/*
* dtime.c -- time/date routines
*
- * $Id$
+ * This code is Copyright (c) 2002, by the authors of nmh. See the
+ * COPYRIGHT file in the root directory of the nmh distribution for
+ * complete copyright information.
*/
#include <h/mh.h> /* for snprintf() */
#include <h/nmh.h>
#include <h/tws.h>
+#include <time.h>
-#if !defined(HAVE_TM_GMTOFF) && !defined(HAVE_TZSET)
-# include <sys/timeb.h>
-#endif
-
-#ifdef TIME_WITH_SYS_TIME
-# include <sys/time.h>
-# include <time.h>
-#else
-# ifdef HAVE_SYS_TIME_H
-# include <sys/time.h>
-# else
-# include <time.h>
-# endif
-#endif
-
-#if !defined(HAVE_TM_GMTOFF) && defined(HAVE_TZSET)
+#if !defined(HAVE_STRUCT_TM_TM_GMTOFF)
extern int daylight;
extern long timezone;
extern char *tzname[];
static struct tws tw;
struct tm *tm;
-#if !defined(HAVE_TM_GMTOFF) && !defined(HAVE_TZSET)
- struct timeb tb;
-#endif
-
if (!clock)
return NULL;
if (tm->tm_isdst)
tw.tw_flags |= TW_DST;
-#ifdef HAVE_TM_GMTOFF
+#ifdef HAVE_STRUCT_TM_TM_GMTOFF
tw.tw_zone = tm->tm_gmtoff / 60;
if (tm->tm_isdst) /* if DST is in effect */
tw.tw_zone -= 60; /* reset to normal offset */
#else
-# ifdef HAVE_TZSET
tzset();
tw.tw_zone = -(timezone / 60);
-# else
- ftime (&tb);
- tw.tw_zone = -tb.timezone;
-# endif
#endif
tw.tw_flags &= ~TW_SDAY;
}
if (!(flags & TW_ZONE) && mins == 0) {
-#if defined(HAVE_TZSET) && defined(HAVE_TZNAME)
tzset();
return ((flags & TW_DST) ? tzname[1] : tzname[0]);
-#else
- for (z = zones; z->std; z++)
- if (z->shift == hours)
- return (z->dst && (flags & TW_DST) ? z->dst : z->std);
-#endif
}
#ifdef ADJUST_NUMERIC_ONLY_TZ_OFFSETS_WRT_DST