Mailinglist Archive: opensuse-bugs (6763 mails)

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https://bugzilla.novell.com/show_bug.cgi?id=732717

https://bugzilla.novell.com/show_bug.cgi?id=732717#c1


--- Comment #1 from Li Bin <bili@xxxxxxxx> 2011-11-25 07:27:53 UTC ---
https://bugs.launchpad.net/ubuntu/+source/cups/+bug/881843

And from the description in that bug, I try to build the cups with below patch,
it works find for me now.

=== modified file 'backend/ipp.c'
--- old/backend/ipp.c    2011-10-27 23:13:49 +0000
+++ new/backend/ipp.c    2011-10-29 00:11:43 +0000
@@ -247,6 +247,7 @@
   ppd_file_t    *ppd;            /* PPD file */
   _ppd_cache_t    *pc;            /* PPD cache and mapping data */
   fd_set    input;            /* Input set for select() */
+  int server_ipp_version;


  /*
@@ -830,6 +831,18 @@

     supported  = cupsDoRequest(http, request, resource);
     ipp_status = cupsLastError();
+    
+    /* Extract server IPP version, and use this to downgrade */
+    server_ipp_version = supported->request.any.version[0]*10;
+    server_ipp_version += supported->request.any.version[1];
+    if (version > server_ipp_version)
+    {
+      fprintf(stderr, "INFO: Server responded to our IPP/%d.%d request ", 
+              version / 10, version % 10);
+      fprintf(stderr, "with an IPP/%d.%d response - downgrading!\n",
+              server_ipp_version / 10, server_ipp_version % 10);
+      version = server_ipp_version;
+    }

     fprintf(stderr, "DEBUG: Get-Printer-Attributes: %s (%s)\n",
             ippErrorString(ipp_status), cupsLastErrorString());
@@ -1155,6 +1168,7 @@
     for (i = 0; i < format_sup->num_values; i ++)
       if (!_cups_strcasecmp(final_content_type,
format_sup->values[i].string.text))
       {
+        fprintf(stderr, "DEBUG: Selected document_type %s\n",
final_content_type);
         document_format = final_content_type;
     break;
       }
@@ -1165,7 +1179,8 @@
     if (!_cups_strcasecmp("application/octet-stream",
                     format_sup->values[i].string.text))
     {
-      document_format = "application/octet-stream";
+      fprintf(stderr, "DEBUG: No document_type, forcing to NULL\n");
+      document_format = NULL;
       break;
     }
     }

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