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// 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 "courgette/third_party/bsdiff.h"
#include "courgette/courgette.h"
#include "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);
}
#if defined(OS_WIN)
int wmain(int argc, const wchar_t* argv[]) {
#else
int main(int argc, const char* argv[]) {
#endif
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.");
}
return 0;
}
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