diff options
Diffstat (limited to 'src/backup.cpp')
| -rw-r--r-- | src/backup.cpp | 31 |
1 files changed, 15 insertions, 16 deletions
diff --git a/src/backup.cpp b/src/backup.cpp index 111d3f3..bf8bfaf 100644 --- a/src/backup.cpp +++ b/src/backup.cpp @@ -43,20 +43,20 @@ check_files(const OptionsBackup &opts) std::string(e.what())); } - size_t ref_size{0}; + size_t base_size{0}; try { - ref_size = std::filesystem::file_size(opts.getRefFilePath()); + base_size = std::filesystem::file_size(opts.getBaseFilePath()); } catch (const std::exception &e) { - throw BackupError("cannot get size of reference file: " + + throw BackupError("cannot get size of base file: " + std::string(e.what())); } - /* Check sizes of the input file and the reference file */ - if (in_size != ref_size) { - throw BackupError("input file and reference file differ in size"); + /* Check sizes of the input file and the base file */ + if (in_size != base_size) { + throw BackupError("input file and base file differ in size"); } else if ((in_size % opts.getSectorSize()) != 0) { throw BackupError( - "size of input file and reference file is not multiple of " + + "size of input file and base file is not multiple of " + std::to_string(opts.getSectorSize())); } } @@ -67,7 +67,7 @@ backup(const OptionsBackup &opts) check_files(opts); BufferedFileReader in_file(opts.getInFilePath(), opts.getBufferSize()); - BufferedFileReader ref_file(opts.getRefFilePath(), opts.getBufferSize()); + BufferedFileReader base_file(opts.getBaseFilePath(), opts.getBufferSize()); BufferedFileWriter out_file(opts.getOutFilePath(), opts.getBufferSize()); std::unique_ptr<char[]> in_buffer; @@ -77,12 +77,11 @@ backup(const OptionsBackup &opts) throw BackupError("cannot allocate sector buffer for input file data"); } - std::unique_ptr<char[]> ref_buffer; + std::unique_ptr<char[]> base_buffer; try { - ref_buffer = std::make_unique<char[]>(opts.getSectorSize()); + base_buffer = std::make_unique<char[]>(opts.getSectorSize()); } catch (const std::bad_alloc &e) { - throw BackupError( - "cannot allocate sector buffer for reference file data"); + throw BackupError("cannot allocate sector buffer for base file data"); } uint64_t input_file_offset{0}; @@ -90,10 +89,10 @@ backup(const OptionsBackup &opts) // Read sectors const size_t in_read_size = in_file.read(in_buffer.get(), opts.getSectorSize()); - const size_t ref_read_size = - ref_file.read(ref_buffer.get(), opts.getSectorSize()); + const size_t base_read_size = + base_file.read(base_buffer.get(), opts.getSectorSize()); - if (in_read_size != ref_read_size) { + if (in_read_size != base_read_size) { throw BackupError( "cannot read equal amount of bytes from the input files"); } else if (in_read_size == 0) { @@ -103,7 +102,7 @@ backup(const OptionsBackup &opts) } // Check for difference - const bool differ = (memcmp(in_buffer.get(), ref_buffer.get(), + const bool differ = (memcmp(in_buffer.get(), base_buffer.get(), opts.getSectorSize()) != 0); if (differ) { // Backup sector |