/* zip.c -- compress files to the gzip or pkzip format
- Copyright (C) 1997-1999, 2006-2007, 2009-2011 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
#include "tailor.h"
#include "gzip.h"
-#include "crypt.h"
-
-#include <unistd.h>
-#include <fcntl.h>
local ulg crc; /* crc on uncompressed file data */
off_t header_bytes; /* number of bytes in gzip header */
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 */
(void)deflate();
#ifndef NO_SIZE_CHECK
- /* Check input size (but not in VMS -- variable record lengths mess it up)
- * and not on MSDOS -- diet in TSR mode reports an incorrect file size)
+ /* Check input size
+ * (but not on MSDOS -- diet in TSR mode reports an incorrect file size)
*/
if (ifile_size != -1L && bytes_in != ifile_size) {
fprintf(stderr, "%s: %s: file size changed while zipping\n",