/* zip.c -- compress files to the gzip or pkzip format
- Copyright (C) 1997-1999, 2006-2007, 2009-2016 Free Software Foundation, Inc.
+ Copyright (C) 1997-1999, 2006-2007, 2009-2018 Free Software Foundation, Inc.
Copyright (C) 1992-1993 Jean-loup Gailly
This program is free software; you can redistribute it and/or modify
flags |= ORIG_NAME;
}
put_byte(flags); /* general flags */
- stamp = (0 <= time_stamp.tv_sec && time_stamp.tv_sec <= 0xffffffff
- ? (ulg) time_stamp.tv_sec
- : (ulg) 0);
+ if (time_stamp.tv_nsec < 0)
+ stamp = 0;
+ else if (0 < time_stamp.tv_sec && time_stamp.tv_sec <= 0xffffffff)
+ stamp = time_stamp.tv_sec;
+ else
+ {
+ /* It's intended that timestamp 0 generates this warning,
+ since gzip format reserves 0 for something else. */
+ warning ("file timestamp out of range for gzip format");
+ stamp = 0;
+ }
put_long (stamp);
/* Write deflated file to zip file */