File fix-filesystime.patch of Package uae

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File fix-filesystime.patch of Package uae (Revision 2c58f81e43a7377f153aa5057bfb530d)

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Fix conversion of Amiga DateStamp to UNIX time

It would be necessary to determine DST at the specifieed time,
NOT at the current time. But it's easier to just set -1 as tm_isdst,
then mktime() will figure it out correctly itself.

diff -ur e-uae-0.8.29-20080820/src/filesys.c e-uae-0.8.29-20080820.new/src/filesys.c
--- e-uae-0.8.29-20080820/src/filesys.c
+++ e-uae-0.8.29-20080820.new/src/filesys.c
@@ -1963,19 +1963,15 @@
 #  if defined HAVE_GMTIME_R && defined HAVE_LOCALTIME_R
     {
 	struct tm tm;
-	struct tm now_tm;
-	time_t now_t;
 
 	gmtime_r (&t, &tm);
 
 	/*
 	 * tm now contains the desired time in local time zone, not taking account
-	 * of DST. To fix this, we determine if DST is in effect now and stuff that
-	 * into tm.
+	 * of DST. To fix this, we set tm_isdst to -1 to let mktime() figure out
+	 * whether DST is active at the specified time or not.
 	 */
-	now_t = time (0);
-	localtime_r (&now_t, &now_tm);
-	tm.tm_isdst = now_tm.tm_isdst;
+	tm.tm_isdst = -1;
 
 	/* Convert time to UTC in seconds since the Unix epoch */
 	t = mktime (&tm);

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File fix-filesystime.patch of Package uae (Revision 2c58f81e43a7377f153aa5057bfb530d)

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