/* Work around the bug in some systems whereby gettimeofday clobbers the
static buffer that localtime uses for it's return value. The gettimeofday
function from Mac OS X 10.0.4, i.e. Darwin 1.3.7 has this problem.
- Copyright (C) 2001, 2002 Free Software Foundation, Inc.
+ The tzset replacement is necessary for at least Solaris 2.5, 2.5.1, and 2.6.
+ Copyright (C) 2001, 2002, 2003 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
#include <config.h>
-/* Disable the definitions of gettimeofday and localtime (from config.h)
+/* Disable the definitions of these functions (from config.h)
so we can use the library versions here. */
#undef gettimeofday
+#undef gmtime
#undef localtime
+#undef tzset
#include <sys/types.h>
return tm;
}
+/* Same as above, since gmtime and localtime use the same buffer. */
+struct tm *
+rpl_gmtime (const time_t *timep)
+{
+ struct tm *tm = gmtime (timep);
+
+ if (! localtime_buffer_addr)
+ localtime_buffer_addr = tm;
+
+ return tm;
+}
+
/* This is a wrapper for gettimeofday. It is used only on systems for which
gettimeofday clobbers the static buffer used for localtime's result.
return result;
}
+
+/* This is a wrapper for tzset. It is used only on systems for which
+ tzset may clobber the static buffer used for localtime's result.
+ Save and restore the contents of the buffer used for localtime's
+ result around the call to tzset. */
+void
+rpl_tzset (void)
+{
+ struct tm save;
+
+ if (! localtime_buffer_addr)
+ {
+ time_t t = 0;
+ localtime_buffer_addr = localtime (&t);
+ }
+
+ save = *localtime_buffer_addr;
+ tzset ();
+ *localtime_buffer_addr = save;
+}