From: Mark Adler <madler@alumni.caltech.edu>
Date: Tue, 17 Jan 2012 01:45:58 +0000 (-0800)
Subject: Fix contrib/minizip/zip.c for 64-bit architectures [Dalsnes].
X-Git-Tag: v1.2.6~20
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e1f45fed541cf462f2c68fc70cad135b2f810708;p=thirdparty%2Fzlib-ng.git

Fix contrib/minizip/zip.c for 64-bit architectures [Dalsnes].
---

diff --git a/contrib/minizip/zip.c b/contrib/minizip/zip.c
index 3c34fc8bd..4f7690468 100644
--- a/contrib/minizip/zip.c
+++ b/contrib/minizip/zip.c
@@ -1710,7 +1710,7 @@ extern int ZEXPORT zipCloseFileInZipRaw64 (zipFile file, ZPOS64_T uncompressed_s
         if (err==ZIP_OK)
             err = zip64local_putValue(&zi->z_filefunc,zi->filestream,crc32,4); /* crc 32, unknown */
 
-        if(uncompressed_size >= 0xffffffff)
+        if(uncompressed_size >= 0xffffffff || compressed_size >= 0xffffffff )
         {
           if(zi->ci.pos_zip64extrainfo > 0)
           {
@@ -1724,6 +1724,8 @@ extern int ZEXPORT zipCloseFileInZipRaw64 (zipFile file, ZPOS64_T uncompressed_s
             if (err==ZIP_OK) /* uncompressed size, unknown */
               err = zip64local_putValue(&zi->z_filefunc, zi->filestream, compressed_size, 8);
           }
+          else
+              err = ZIP_BADZIPFILE; // Caller passed zip64 = 0, so no room for zip64 info -> fatal
         }
         else
         {
@@ -1852,7 +1854,7 @@ int Write_EndOfCentralDirectoryRecord(zip64_internal* zi, uLong size_centraldir,
       err = zip64local_putValue(&zi->z_filefunc,zi->filestream, (uLong)0xffffffff,4);
     }
     else
-                  err = zip64local_putValue(&zi->z_filefunc,zi->filestream, (uLong)(centraldir_pos_inzip - zi->add_position_when_writting_offset),4);
+      err = zip64local_putValue(&zi->z_filefunc,zi->filestream, (uLong)(centraldir_pos_inzip - zi->add_position_when_writting_offset),4);
   }
 
    return err;
@@ -1919,7 +1921,7 @@ extern int ZEXPORT zipClose (zipFile file, const char* global_comment)
     free_linkedlist(&(zi->central_dir));
 
     pos = centraldir_pos_inzip - zi->add_position_when_writting_offset;
-    if(pos >= 0xffffffff)
+    if(pos >= 0xffffffff || zi->number_entry > 0xFFFF)
     {
       ZPOS64_T Zip64EOCDpos = ZTELL64(zi->z_filefunc,zi->filestream);
       Write_Zip64EndOfCentralDirectoryRecord(zi, size_centraldir, centraldir_pos_inzip);