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$NetBSD: patch-ac,v 1.2 1999/02/10 14:53:34 frueauf Exp $

--- environ.c.orig	Tue Jun 22 22:07:20 1993
+++ environ.c	Sat Dec 26 08:39:07 1998
@@ -429,16 +429,23 @@
 
 #define SUBS_DEFINED
 
+#include <stdlib.h>
+#include <string.h>
 #include <time.h>
+#include <sys/types.h>
 
-#ifndef time_t
-#define time_t long
-#endif
+/*#ifndef time_t
+ #define time_t long
+ #endif*/
+
+#include <sys/param.h>
 
+#if !(defined(BSD) && BSD >= 199306)
 extern struct tm *localtime();
 extern time_t time();
 extern char   *strcpy();
 extern voidp  *malloc();
+#endif
 
 FILE *
 file_open(name, mode)
@@ -534,8 +541,12 @@
 }
 
 long
-gettz()         /* returns the offset from GMT in seconds */
+gettz(stamp)         /* returns the offset from GMT in seconds */
+time_t stamp;
 {
+#if defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__)
+	return -localtime(&stamp)->tm_gmtoff;
+#else
 #define NOONOFFSET    43200L
 #define SEC_IN_DAY    (24L * 60L * 60L)
 #define INV_VALUE     (SEC_IN_DAY + 1L)
@@ -551,6 +562,7 @@
     noontm = localtime(&noon);
     retval = NOONOFFSET - 60 * (60 * noontm->tm_hour - noontm->tm_min);
     return retval;
+#endif
 }
 
 long
@@ -608,7 +620,8 @@
     (uint) attribute;
     (uint) host;
 
-    m_time = mstonix(tstamp) + gettz();
+    m_time = mstonix(tstamp);
+    m_time += gettz(m_time);
 
     tb.mtime = m_time;                  /* Set modification time */
     tb.atime = m_time;                  /* Set access time */