ipc: Add ParamTraits<signed char>

ipc/ipc_message_utils.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ipc/ipc_message_utils.h"
 
 #include "base/files/file_path.h"
 #include "base/json/json_writer.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/strings/nullable_string16.h"
@@ skipping 256 matching lines @@
       dispatch(0) {
 }
 
 LogData::~LogData() {
 }
 
 void ParamTraits<bool>::Log(const param_type& p, std::string* l) {
   l->append(p ? "true" : "false");
 }
 
+void ParamTraits<signed char>::Write(Message* m, const param_type& p) {
+  m->WriteBytes(&p, sizeof(param_type));
+}
+
+bool ParamTraits<signed char>::Read(const Message* m,
+                             base::PickleIterator* iter,
+                             param_type* r) {
+  const char* data;
+  if (!iter->ReadBytes(&data, sizeof(param_type)))
+    return false;
+  memcpy(r, data, sizeof(param_type));
+  return true;
+}
+
+void ParamTraits<signed char>::Log(const param_type& p, std::string* l) {
+  l->append(base::IntToString(p));
+}
+
 void ParamTraits<unsigned char>::Write(Message* m, const param_type& p) {
   m->WriteBytes(&p, sizeof(param_type));
 }
 
 bool ParamTraits<unsigned char>::Read(const Message* m,
                                       base::PickleIterator* iter,
                                       param_type* r) {
   const char* data;
   if (!iter->ReadBytes(&data, sizeof(param_type)))
     return false;
@@ skipping 752 matching lines @@
   return result;
 }
 
 void ParamTraits<MSG>::Log(const param_type& p, std::string* l) {
   l->append("<MSG>");
 }
 
 #endif  // OS_WIN
 
 }  // namespace IPC