| // 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 "courgette/courgette.h" |
| #include "courgette/streams.h" |
| #include "courgette/third_party/bsdiff/bsdiff.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; |
| } |