shithub: libdvdcss

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* src/libdvdcss.c:
    + Support for cache directory tags, as proposed on
      http://www.brynosaurus.com/cachedir/spec.html .

--- a/src/libdvdcss.c

+++ b/src/libdvdcss.c

@@ -373,6 +373,25 @@

         }

     }

+    /* If the cache is enabled, write the cache directory tag */

+    if( psz_cache )

+    {

+        char *psz_tag = "Signature: 8a477f597d28d172789f06886806bc55\r\n"

+            "# This file is a cache directory tag created by libdvdcss.\r\n"

+            "# For information about cache directory tags, see:\r\n"

+            "#   http://www.brynosaurus.com/cachedir/\r\n";

+        unsigned char psz_tagfile[PATH_MAX+1+12+1];

+        int i_fd;

+

+        sprintf( psz_tagfile, "%s/CACHEDIR.TAG", psz_cache );

+        i_fd = open( psz_tagfile, O_RDWR|O_CREAT|O_EXCL, 0644 );

+        if( i_fd >= 0 )

+        {

+            write( i_fd, psz_tag, strlen(psz_tag) );

+            close( i_fd );

+        }

+    }

+

     /* If the cache is enabled, extract a unique disc ID */

     if( psz_cache )

     {

@@ -445,7 +464,7 @@

         {

             if( psz_serial[i] < '0' || psz_serial[i] > '9' )

             {

-                char psz_tmp[16 + 1];

+                unsigned char psz_tmp[16 + 1];

                 sprintf( psz_tmp,

                          "%.2x%.2x%.2x%.2x%.2x%.2x%.2x%.2x",

                          psz_serial[0], psz_serial[1], psz_serial[2],