Package: libdebian-installer
Version: 0.110
Severity: normal
Tags: patch
User: ubuntu-de...@lists.ubuntu.com
Usertags: origin-ubuntu cosmic ubuntu-patch

Dear Maintainer,

it appears that libdebian-installer fails to build in our latest rebuild tests
with GCC 7 -- implicit-fallthrough warning / error is in place, which means
GCC will complain about src/tree.c's code for rotating trees when adding new
nodes. The fix is pretty simple, as the code is straightforward.


In Ubuntu, the attached patch was applied to achieve the following:

  * src/tree.c: Silence GCC's implicit-fallthrough warning by being explicit
    in this binary tree rotate code that there's not fallthrough; we're
    covering all tree rotation cases already (all paths in switch() already
    return().


Thanks for considering the patch.


-- System Information:
Debian Release: buster/sid
  APT prefers cosmic-security
  APT policy: (500, 'cosmic-security'), (500, 'cosmic')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 4.18.0-7-generic (SMP w/4 CPU cores)
Locale: LANG=en_CA.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), 
LANGUAGE=en_CA:en (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled
diff -Nru libdebian-installer-0.110ubuntu2/src/tree.c 
libdebian-installer-0.110ubuntu3/src/tree.c
--- libdebian-installer-0.110ubuntu2/src/tree.c 2017-05-04 11:46:32.000000000 
-0400
+++ libdebian-installer-0.110ubuntu3/src/tree.c 2018-10-04 14:22:53.000000000 
-0400
@@ -198,6 +198,7 @@
         case 1:
           return di_tree_node_rotate_right_double (node);
       }
+      break;
     case -1:
     case 0:
     case 1:

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