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From a20760c046f133055cedaba6952f49758e0d9cbf Mon Sep 17 00:00:00 2001
From: Kevin Wolf <kwolf@redhat.com>
Date: Tue, 25 Feb 2014 15:00:02 +0100
Subject: [PATCH 4/7] qemu-img convert: Support multiple -o options

RH-Author: Kevin Wolf <kwolf@redhat.com>
Message-id: <1393340405-9936-4-git-send-email-kwolf@redhat.com>
Patchwork-id: 57799
O-Subject: [RHEL-7.0 qemu-kvm PATCH 3/6] qemu-img convert: Support multiple -o options
Bugzilla: 1065873
RH-Acked-by: Juan Quintela <quintela@redhat.com>
RH-Acked-by: Fam Zheng <famz@redhat.com>
RH-Acked-by: Miroslav Rezanina <mrezanin@redhat.com>

Instead of ignoring all option values but the last one, multiple -o
options now have the same meaning as having a single option with all
settings in the order of their respective -o options.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Jeff Cody <jcody@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
(cherry picked from commit 2dc8328b4c6aba60f4ad543186f4e8aec2e9287e)

Conflicts:
	qemu-img.c

Conflicts because qemu-img convert doesn't have an -l option in RHEL 7.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
---
 qemu-img.c | 31 +++++++++++++++++++++++--------
 1 file changed, 23 insertions(+), 8 deletions(-)

Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
---
 qemu-img.c |   31 +++++++++++++++++++++++--------
 1 files changed, 23 insertions(+), 8 deletions(-)

diff --git a/qemu-img.c b/qemu-img.c
index 12bf996..e7b12c2 100644
--- a/qemu-img.c
+++ b/qemu-img.c
@@ -1159,6 +1159,9 @@ static int img_convert(int argc, char **argv)
     bool quiet = false;
     Error *local_err = NULL;
 
+    /* Initialize before goto out */
+    qemu_progress_init(progress, 1.0);
+
     fmt = NULL;
     out_fmt = "raw";
     cache = "unsafe";
@@ -1190,13 +1193,26 @@ static int img_convert(int argc, char **argv)
         case 'e':
             error_report("option -e is deprecated, please use \'-o "
                   "encryption\' instead!");
-            return 1;
+            ret = -1;
+            goto out;
         case '6':
             error_report("option -6 is deprecated, please use \'-o "
                   "compat6\' instead!");
-            return 1;
+            ret = -1;
+            goto out;
         case 'o':
-            options = optarg;
+            if (!is_valid_option_list(optarg)) {
+                error_report("Invalid option list: %s", optarg);
+                ret = -1;
+                goto out;
+            }
+            if (!options) {
+                options = g_strdup(optarg);
+            } else {
+                char *old_options = options;
+                options = g_strdup_printf("%s,%s", options, optarg);
+                g_free(old_options);
+            }
             break;
         case 's':
             snapshot_name = optarg;
@@ -1208,7 +1224,8 @@ static int img_convert(int argc, char **argv)
             sval = strtosz_suffix(optarg, &end, STRTOSZ_DEFSUFFIX_B);
             if (sval < 0 || *end) {
                 error_report("Invalid minimum zero buffer size for sparse output specified");
-                return 1;
+                ret = -1;
+                goto out;
             }
 
             min_sparse = sval / BDRV_SECTOR_SIZE;
@@ -1240,10 +1257,7 @@ static int img_convert(int argc, char **argv)
 
     out_filename = argv[argc - 1];
 
-    /* Initialize before goto out */
-    qemu_progress_init(progress, 1.0);
-
-    if (options && is_help_option(options)) {
+    if (options && has_help_option(options)) {
         ret = print_block_option_help(out_filename, out_fmt);
         goto out;
     }
@@ -1610,6 +1624,7 @@ out:
     free_option_parameters(create_options);
     free_option_parameters(param);
     qemu_vfree(buf);
+    g_free(options);
     if (out_bs) {
         bdrv_unref(out_bs);
     }
-- 
1.7.1