Fix the archive code so that it compiles in a stricter mode.

utils/archive/reader.c

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "entry.h"
 #include "messaging.h"
 #include "reader.h"
 
 void archiveReadNew(Dart_Port p) {
   checkPointerResult(p, archive_read_new(), "archive input stream");
@@ skipping 75 matching lines @@
 }
 
 void archiveReadSupportFormatTar(Dart_Port p, struct archive* a) {
   checkResult(p, a, archive_read_support_format_tar(a));
 }
 
 void archiveReadSupportFormatZip(Dart_Port p, struct archive* a) {
   checkResult(p, a, archive_read_support_format_zip(a));
 }
 
-void archiveReadSetFilterOptions(Dart_Port p, struct archive* a,
-                                 Dart_CObject* request) {
-  Dart_CObject* options = getTypedArgument(p, request, 0, kString);
-  if (options == NULL) return;
-  int result = archive_read_set_filter_options(a, options->value.as_string);
+void archiveReadSetFilterOption(Dart_Port p, struct archive* a,
+                                Dart_CObject* request) {
+  char* module;
+  char* name;
+  char* value;
+
+  getOptionArguments(p, request, &module, &name, &value);
+  int result = archive_read_set_filter_option(a, module, name, value);
   checkResult(p, a, result);
 }
 
 void archiveReadSetFormatOptions(Dart_Port p, struct archive* a,
                                  Dart_CObject* request) {
-  Dart_CObject* options = getTypedArgument(p, request, 0, kString);
-  if (options == NULL) return;
-  int result = archive_read_set_format_options(a, options->value.as_string);
+  char* module;
+  char* name;
+  char* value;
+
+  getOptionArguments(p, request, &module, &name, &value);
+  int result = archive_read_set_format_option(a, module, name, value);
   checkResult(p, a, result);
 }
 
 void archiveReadSetOptions(Dart_Port p, struct archive* a,
                            Dart_CObject* request) {
-  Dart_CObject* options = getTypedArgument(p, request, 0, kString);
-  if (options == NULL) return;
-  int result = archive_read_set_options(a, options->value.as_string);
+  char* module;
+  char* name;
+  char* value;
+
+  getOptionArguments(p, request, &module, &name, &value);
+  int result = archive_read_set_option(a, module, name, value);
   checkResult(p, a, result);
 }
 
 // TODO(nweiz): wrap archive_read_open2
 // TODO(nweiz): wrap archive_read_FILE when issue 4160 is fixed
 
 void archiveReadOpenFilename(Dart_Port p, struct archive* a,
                              Dart_CObject* request) {
   Dart_CObject* filename = getTypedArgument(p, request, 0, kString);
   if (filename == NULL) return;
@@ skipping 61 matching lines @@
 // TODO(nweiz): wrap archive_read_into_fd when issue 4160 is fixed
 // TODO(nweiz): wrap archive_read_extract and friends
 
 void archiveReadClose(Dart_Port p, struct archive* a) {
   checkResult(p, a, archive_read_close(a));
 }
 
 void archiveReadFree(Dart_Port p, struct archive* a) {
   checkResult(p, a, archive_read_free(a));
 }