From d900fe262ebf722f278e326b14b9ac264722df09 Mon Sep 17 00:00:00 2001
From: Paul Eggert <eggert@cs.ucla.edu>
Date: Thu, 11 Nov 1999 17:57:25 +0000
Subject: [PATCH] gzip 1.3.5

---
 unlzw.c | 15 +++++++--------
 zip.c   | 26 +++++++++++++++-----------
 2 files changed, 22 insertions(+), 19 deletions(-)

diff --git a/unlzw.c b/unlzw.c
index d68d0e7..5aa2eae 100644
--- a/unlzw.c
+++ b/unlzw.c
@@ -11,14 +11,13 @@
 static char rcsid[] = "$Id$";
 #endif
 
-#include <sys/types.h>
-
+#include <config.h>
 #include "tailor.h"
 
 #ifdef HAVE_UNISTD_H
 #  include <unistd.h>
 #endif
-#ifndef NO_FCNTL_H
+#ifdef HAVE_FCNTL_H
 #  include <fcntl.h>
 #endif
 
@@ -258,11 +257,11 @@ int unlzw(in, out)
 	posbits = 0;
 	
 	if (insize < INBUF_EXTRA) {
-	    if ((rsize = read(in, (char*)inbuf+insize, INBUFSIZ)) == EOF) {
+	    if ((rsize = read(in, (char*)inbuf+insize, INBUFSIZ)) == -1) {
 		read_error();
 	    }
 	    insize += rsize;
-	    bytes_in += (ulg)rsize;
+	    bytes_in += (off_t)rsize;
 	}
 	inbits = ((rsize != 0) ? ((long)insize - insize%n_bits)<<3 : 
 		  ((long)insize<<3)-(n_bits-1));
@@ -316,7 +315,7 @@ int unlzw(in, out)
 #endif
 		    if (!test && outpos > 0) {
 			write_buf(out, (char*)outbuf, outpos);
-			bytes_out += (ulg)outpos;
+			bytes_out += (off_t)outpos;
 		    }
 		    error(to_stdout ? "corrupt input." :
 			  "corrupt input. Use zcat to recover some data.");
@@ -347,7 +346,7 @@ int unlzw(in, out)
 			if (outpos >= OUTBUFSIZ) {
 			    if (!test) {
 				write_buf(out, (char*)outbuf, outpos);
-				bytes_out += (ulg)outpos;
+				bytes_out += (off_t)outpos;
 			    }
 			    outpos = 0;
 			}
@@ -371,7 +370,7 @@ int unlzw(in, out)
     
     if (!test && outpos > 0) {
 	write_buf(out, (char*)outbuf, outpos);
-	bytes_out += (ulg)outpos;
+	bytes_out += (off_t)outpos;
     }
     return OK;
 }
diff --git a/zip.c b/zip.c
index 145116d..9d0b43f 100644
--- a/zip.c
+++ b/zip.c
@@ -8,8 +8,8 @@
 static char rcsid[] = "$Id$";
 #endif
 
+#include <config.h>
 #include <ctype.h>
-#include <sys/types.h>
 
 #include "tailor.h"
 #include "gzip.h"
@@ -18,12 +18,12 @@ static char rcsid[] = "$Id$";
 #ifdef HAVE_UNISTD_H
 #  include <unistd.h>
 #endif
-#ifndef NO_FCNTL_H
+#ifdef HAVE_FCNTL_H
 #  include <fcntl.h>
 #endif
 
 local ulg crc;       /* crc on uncompressed file data */
-long header_bytes;   /* number of bytes in gzip header */
+off_t header_bytes;   /* number of bytes in gzip header */
 
 /* ===========================================================================
  * Deflate in to out.
@@ -52,7 +52,8 @@ int zip(in, out)
 	flags |= ORIG_NAME;
     }
     put_byte(flags);         /* general flags */
-    put_long(time_stamp);
+    put_long(time_stamp == (time_stamp & 0xffffffff)
+	     ? (ulg)time_stamp : (ulg)0);
 
     /* Write deflated file to zip file */
     crc = updcrc(0, 0);
@@ -65,12 +66,12 @@ int zip(in, out)
     put_byte(OS_CODE);            /* OS identifier */
 
     if (save_orig_name) {
-	char *p = basename(ifname); /* Don't save the directory part. */
+	char *p = base_name(ifname); /* Don't save the directory part. */
 	do {
 	    put_char(*p);
 	} while (*p++);
     }
-    header_bytes = (long)outcnt;
+    header_bytes = (off_t)outcnt;
 
     (void)deflate();
 
@@ -78,8 +79,7 @@ int zip(in, out)
   /* 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)
    */
-    if (ifile_size != -1L && isize != (ulg)ifile_size) {
-	Trace((stderr, " actual=%ld, read=%ld ", ifile_size, isize));
+    if (ifile_size != -1L && bytes_in != ifile_size) {
 	fprintf(stderr, "%s: %s: file size changed while zipping\n",
 		progname, ifname);
     }
@@ -87,7 +87,7 @@ int zip(in, out)
 
     /* Write the crc and uncompressed size */
     put_long(crc);
-    put_long(isize);
+    put_long((ulg)bytes_in);
     header_bytes += 2*sizeof(long);
 
     flush_outbuf();
@@ -109,9 +109,13 @@ int file_read(buf, size)
     Assert(insize == 0, "inbuf not empty");
 
     len = read(ifd, buf, size);
-    if (len == (unsigned)(-1) || len == 0) return (int)len;
+    if (len == 0) return (int)len;
+    if (len == (unsigned)-1) {
+	read_error();
+	return EOF;
+    }
 
     crc = updcrc((uch*)buf, len);
-    isize += (ulg)len;
+    bytes_in += (off_t)len;
     return (int)len;
 }
-- 
2.47.2