Hi!

dovecot-2.2.13 already has quota support for NetBSD, but it's buggy.
The attached patches by Manuel Bouyer <bou...@netbsd.org> fix the
issues.

There is one thing that's not nice in them: one include is now for
"/usr/include/quota.h" since dovecot comes with its own file "quota.h"
which is earlier in the search path. Perhaps dovecot's copy can be
renamed to dovecot-quota.h or to some other non-conflicting name?

Cheers,
 Thomas
$NetBSD: patch-src_plugins_quota_quota-fs.c,v 1.4 2013/08/05 23:12:42 bouyer 
Exp $

fix support for NetBSD's libquota

--- src/plugins/quota/quota-fs.c.orig   2013-02-26 09:42:04.000000000 +0100
+++ src/plugins/quota/quota-fs.c        2013-08-06 01:00:32.000000000 +0200
@@ -672,34 +672,38 @@
 {
        struct quotakey qk;
        struct quotaval qv;
+       struct quotahandle *qh;
+       int ret;
 
-       if (root->qh == NULL) {
-               if ((root->qh = quota_open(root->mount->mount_path)) == NULL) {
-                       i_error("cannot open quota for %s: %m",
-                               root->mount->mount_path);
-                       fs_quota_root_disable(root, group);
-                       return 0;
-               }
-       } 
+       if ((qh = quota_open(root->mount->mount_path)) == NULL) {
+               i_error("cannot open quota for %s: %m",
+                       root->mount->mount_path);
+               fs_quota_root_disable(root, group);
+               return 0;
+       }
 
        qk.qk_idtype = group ? QUOTA_IDTYPE_GROUP : QUOTA_IDTYPE_USER;
        qk.qk_id = group ? root->gid : root->uid;
        qk.qk_objtype = bytes ? QUOTA_OBJTYPE_BLOCKS : QUOTA_OBJTYPE_FILES;
 
-       if (quota_get(root->qh, &qk, &qv) != 0) {
+       if (quota_get(qh, &qk, &qv) != 0) {
                if (errno == ESRCH) {
                        fs_quota_root_disable(root, group);
                        return 0;
                }
                i_error("quotactl(Q_GETQUOTA, %s) failed: %m",
                        root->mount->mount_path);
-               return -1;
+               ret = -1;
+               goto end;
        }
 
        *value_r = qv.qv_usage * DEV_BSIZE;
        *limit_r = qv.qv_softlimit * DEV_BSIZE;
 
-       return 1;
+       ret = 1;
+end:
+       quota_close(qh);
+       return ret;
 }
 #endif
 
$NetBSD: patch-src_plugins_quota_quota-fs.h,v 1.4 2013/08/05 23:12:42 bouyer 
Exp $

fix support for NetBSD's libquota

--- src/plugins/quota/quota-fs.h.orig   2013-08-06 00:53:34.000000000 +0200
+++ src/plugins/quota/quota-fs.h        2013-08-06 00:54:29.000000000 +0200
@@ -7,7 +7,8 @@
 #endif
 
 #ifdef HAVE_QUOTA_OPEN
-#  include <quota.h> /* NetBSD with libquota */
+/* absolute path to avoid confusion with ./quota.h */
+#  include "/usr/include/quota.h" /* NetBSD with libquota */
 #endif
 
 #ifdef HAVE_SYS_QUOTA_H

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