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[Qemu-devel] [PATCH v2 25/26] qapi-commands: Drop useless initialization
From: |
Markus Armbruster |
Subject: |
[Qemu-devel] [PATCH v2 25/26] qapi-commands: Drop useless initialization |
Date: |
Fri, 28 Aug 2015 18:46:05 +0200 |
In generated command handlers, the assignment to retval dominates its
only use. Therefore, its initialization is useless. Drop it.
Suggested-by: Eric Blake <address@hidden>
Signed-off-by: Markus Armbruster <address@hidden>
Reviewed-by: Eric Blake <address@hidden>
---
docs/qapi-code-gen.txt | 2 +-
scripts/qapi-commands.py | 8 ++------
2 files changed, 3 insertions(+), 7 deletions(-)
diff --git a/docs/qapi-code-gen.txt b/docs/qapi-code-gen.txt
index a253e27..7cb852e 100644
--- a/docs/qapi-code-gen.txt
+++ b/docs/qapi-code-gen.txt
@@ -742,7 +742,7 @@ Example:
static void qmp_marshal_input_my_command(QDict *args, QObject **ret, Error
**errp)
{
Error *local_err = NULL;
- UserDefOne *retval = NULL;
+ UserDefOne *retval;
QmpInputVisitor *mi = qmp_input_visitor_new_strict(QOBJECT(args));
QapiDeallocVisitor *md;
Visitor *v;
diff --git a/scripts/qapi-commands.py b/scripts/qapi-commands.py
index cfbd59c..8bf84a7 100644
--- a/scripts/qapi-commands.py
+++ b/scripts/qapi-commands.py
@@ -205,14 +205,10 @@ def gen_marshal_input(name, args, ret_type, middle_mode):
header=hdr)
if ret_type:
- if is_c_ptr(ret_type):
- retval = " %s retval = NULL;" % c_type(ret_type)
- else:
- retval = " %s retval;" % c_type(ret_type)
ret += mcgen('''
-%(retval)s
+ %(c_type)s retval;
''',
- retval=retval)
+ c_type=c_type(ret_type))
if len(args) > 0:
ret += gen_visitor_input_containers_decl(args)
--
2.4.3
- [Qemu-devel] [PATCH v2 08/26] qapi: Generate a nicer struct for flat unions, (continued)
- [Qemu-devel] [PATCH v2 08/26] qapi: Generate a nicer struct for flat unions, Markus Armbruster, 2015/08/28
- [Qemu-devel] [PATCH v2 13/26] tests/qapi-schema: Document events with base don't work, Markus Armbruster, 2015/08/28
- [Qemu-devel] [PATCH v2 07/26] qapi: Fix generated code when flat union has member 'kind', Markus Armbruster, 2015/08/28
- [Qemu-devel] [PATCH v2 16/26] qapi: Document flaws in checking of names, Markus Armbruster, 2015/08/28
- [Qemu-devel] [PATCH v2 09/26] qapi-visit: Fix generated code when schema has forward refs, Markus Armbruster, 2015/08/28
- [Qemu-devel] [PATCH v2 06/26] qapi: Drop unused and useless parameters and variables, Markus Armbruster, 2015/08/28
- [Qemu-devel] [PATCH v2 23/26] qapi-commands: Inline gen_marshal_output_call(), Markus Armbruster, 2015/08/28
- [Qemu-devel] [PATCH v2 17/26] tests/qapi-schema: Restore test case for flat union base bug, Markus Armbruster, 2015/08/28
- [Qemu-devel] [PATCH v2 14/26] qapi: Document that input visitor semantics are prone to leaks, Markus Armbruster, 2015/08/28
- [Qemu-devel] [PATCH v2 19/26] qapi-tests: New tests for union, alternate command arguments, Markus Armbruster, 2015/08/28
- [Qemu-devel] [PATCH v2 25/26] qapi-commands: Drop useless initialization,
Markus Armbruster <=
- [Qemu-devel] [PATCH v2 18/26] tests/qapi-schema: Rename tests from data- to args-, Markus Armbruster, 2015/08/28
- [Qemu-devel] [PATCH v2 15/26] qapi: Document shortcoming with union 'data' branch, Markus Armbruster, 2015/08/28
- [Qemu-devel] [PATCH v2 21/26] qapi: Command returning anonymous type doesn't work, outlaw, Markus Armbruster, 2015/08/28
- [Qemu-devel] [PATCH v2 26/26] qapi: Generated code cleanup, Markus Armbruster, 2015/08/28
- [Qemu-devel] [PATCH v2 22/26] qapi-commands: Fix gen_err_check(e) for e and e != 'local_err', Markus Armbruster, 2015/08/28
- [Qemu-devel] [PATCH v2 20/26] qapi: Fix to reject union command and event arguments, Markus Armbruster, 2015/08/28
- [Qemu-devel] [PATCH v2 24/26] qapi-commands: Don't feed output of mcgen() to mcgen() again, Markus Armbruster, 2015/08/28
- [Qemu-devel] [PATCH 27/31] qapi: Drop one of two "simple union must not have base" checks, Markus Armbruster, 2015/08/31
- [Qemu-devel] [PATCH 31/31] qapi: Simplify error reporting for array types, Markus Armbruster, 2015/08/31