2000-12-08 Alexandre Petit-Bianco <apbianco@cygnus.com>

        * fastjar: Imported.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@38145 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 126 insertions, 0 deletions

diff --git a/fastjar/dostime.c b/fastjar/dostime.c
new file mode 100644
index 00000000000..c29d9913000
--- /dev/null
+++ b/fastjar/dostime.c
@@ -0,0 +1,126 @@
+/*
+  dostime.c - routines for converting UNIX time to MS-DOS time.  
+
+  Borrowed from Info-zip's unzip
+
+  Copyright (C) 1999 Bryan Burns
+
+  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 the Free Software Foundation; either version 2
+  of the License, or (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program; if not, write to the Free Software
+  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+*/
+
+/* $Id: dostime.c,v 1.1.1.1 1999/12/06 03:09:12 toast Exp $
+
+   $Log: dostime.c,v $
+   Revision 1.1.1.1  1999/12/06 03:09:12  toast
+   initial checkin..
+
+
+
+   Revision 1.6  1999/05/10 08:32:26  burnsbr
+   added dos2unixtime
+
+   Revision 1.5  1999/04/27 10:03:50  burnsbr
+   configure support
+
+   Revision 1.4  1999/04/26 21:55:19  burnsbr
+   switched from sys/time.h to time.h for better portability
+
+   Revision 1.3  1999/04/20 08:54:30  burnsbr
+   added GPL comment
+
+   Revision 1.2  1999/04/20 05:10:53  burnsbr
+   added RCS tags
+
+
+*/
+#include "config.h"
+
+#ifdef TM_IN_SYS_TIME
+#include <sys/time.h>
+#else
+#include <time.h>
+#endif
+
+#include "dostime.h"
+
+static char rcsid[] = "$Id: dostime.c,v 1.1.1.1 1999/12/06 03:09:12 toast Exp $";
+
+/*
+
+ Copyright (C) 1990-1997 Mark Adler, Richard B. Wales, Jean-loup Gailly,
+ Kai Uwe Rommel, Onno van der Linden and Igor Mandrichenko.
+ Permission is granted to any individual or institution to use, copy, or
+ redistribute this software so long as all of the original files are included,
+ that it is not sold for profit, and that this copyright notice is retained.
+
+*/
+
+
+time_t dos2unixtime(dostime)
+     unsigned long dostime;            /* DOS time to convert */
+     /* Return the Unix time_t value (GMT/UTC time) for the DOS format (local)
+      * time dostime, where dostime is a four byte value (date in most
+      * significant word, time in least significant word), see dostime() 
+      * function.
+      */
+{
+  struct tm *t;         /* argument for mktime() */
+  time_t clock = time(NULL);
+
+  t = localtime(&clock);
+  t->tm_isdst = -1;     /* let mktime() determine if DST is in effect */
+  /* Convert DOS time to UNIX time_t format */
+  t->tm_sec  = (((int)dostime) <<  1) & 0x3e;
+  t->tm_min  = (((int)dostime) >>  5) & 0x3f;
+  t->tm_hour = (((int)dostime) >> 11) & 0x1f;
+  t->tm_mday = (int)(dostime >> 16) & 0x1f;
+  t->tm_mon  = ((int)(dostime >> 21) & 0x0f) - 1;
+  t->tm_year = ((int)(dostime >> 25) & 0x7f) + 80;
+
+  return mktime(t);
+}
+
+unsigned long dostime(y, n, d, h, m, s)
+int y;                  /* year */
+int n;                  /* month */
+int d;                  /* day */
+int h;                  /* hour */
+int m;                  /* minute */
+int s;                  /* second */
+/* Convert the date y/n/d and time h:m:s to a four byte DOS date and
+   time (date in high two bytes, time in low two bytes allowing magnitude
+   comparison). */
+{
+  return y < 1980 ? dostime(1980, 1, 1, 0, 0, 0) :
+    (((unsigned long)y - 1980) << 25) | ((unsigned long)n << 21) | 
+    ((unsigned long)d << 16) | ((unsigned long)h << 11) | 
+    ((unsigned long)m << 5) | ((unsigned long)s >> 1);
+}
+
+
+unsigned long unix2dostime(t)
+time_t *t;             /* unix time to convert */
+/* Return the Unix time t in DOS format, rounded up to the next two
+   second boundary. */
+{
+  time_t t_even;
+  struct tm *s;         /* result of localtime() */
+
+  t_even = (*t + 1) & (~1);     /* Round up to even seconds. */
+  s = localtime(&t_even);       /* Use local time since MSDOS does. */
+  return dostime(s->tm_year + 1900, s->tm_mon + 1, s->tm_mday,
+                 s->tm_hour, s->tm_min, s->tm_sec);
+}
+