From f76b3b04a4c092d7db4cc2a75da4ca7fbac1f620 Mon Sep 17 00:00:00 2001
From: "sra@chromium.org"
 <sra@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98>
Date: Wed, 6 May 2009 04:02:10 +0000
Subject: Move Courgette from internal depot to third_party.

Review URL: http://codereview.chromium.org/113009

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@15377 0039d316-1c4b-4281-b951-d872f2087c98
---
 third_party/courgette/courgette_minimal_tool.cc | 50 +++++++++++++++++++++++++
 1 file changed, 50 insertions(+)
 create mode 100644 third_party/courgette/courgette_minimal_tool.cc

(limited to 'third_party/courgette/courgette_minimal_tool.cc')

diff --git a/third_party/courgette/courgette_minimal_tool.cc b/third_party/courgette/courgette_minimal_tool.cc
new file mode 100644
index 0000000..de5cd9e
--- /dev/null
+++ b/third_party/courgette/courgette_minimal_tool.cc
@@ -0,0 +1,50 @@
+// Copyright (c) 2009 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.
+
+// 'courgette_minimal_tool' is not meant to be a serious command-line tool.  It
+// has the minimum logic to apply a Courgette patch to a file.  The main purpose
+// is to monitor the code size of the patcher.
+
+#include <string>
+
+#include "base/file_util.h"
+
+#include "third_party/courgette/bsdiff.h"
+#include "third_party/courgette/courgette.h"
+#include "third_party/courgette/streams.h"
+
+void PrintHelp() {
+  fprintf(stderr,
+    "Usage:\n"
+    "  courgette_minimal_tool <old-file-input> <patch-file-input>"
+    " <new-file-output>\n"
+    "\n");
+}
+
+void UsageProblem(const char* message) {
+  fprintf(stderr, "%s\n", message);
+  PrintHelp();
+  exit(1);
+}
+
+void Problem(const char* message) {
+  fprintf(stderr, "%s\n", message);
+  exit(1);
+}
+
+int wmain(int argc, const wchar_t* argv[]) {
+  if (argc != 4)
+    UsageProblem("bad args");
+
+  courgette::Status status =
+      courgette::ApplyEnsemblePatch(argv[1], argv[2], argv[3]);
+
+  if (status != courgette::C_OK) {
+    if (status == courgette::C_READ_OPEN_ERROR) Problem("Can't open file.");
+    if (status == courgette::C_WRITE_OPEN_ERROR) Problem("Can't open file.");
+    if (status == courgette::C_READ_ERROR) Problem("Can't read from file.");
+    if (status == courgette::C_WRITE_ERROR) Problem("Can't write to file.");
+    Problem("patch failed.");
+  }
+}
-- 
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