Exemplo n.º 1
0
/**
 * Check whether the given file exists
 * @param filename the file to try for existance
 * @param subdir the subdirectory to look in
 * @return true if and only if the file can be opened
 */
bool FioCheckFileExists(const char *filename, Subdirectory subdir)
{
	FILE *f = FioFOpenFile(filename, "rb", subdir);
	if (f == NULL) return false;

	FioFCloseFile(f);
	return true;
}
Exemplo n.º 2
0
/**
 * Read the header of a standard MIDI file.
 * @param[in] filename name of file to read from
 * @param[out] header filled with data read
 * @return true if the file could be opened and contained a header with correct format
 */
bool MidiFile::ReadSMFHeader(const char *filename, SMFHeader &header)
{
	FILE *file = FioFOpenFile(filename, "rb", Subdirectory::BASESET_DIR);
	if (!file) return false;
	bool result = ReadSMFHeader(file, header);
	FioFCloseFile(file);
	return result;
}
Exemplo n.º 3
0
/**
 * Calculate and check the MD5 hash of the supplied GRF.
 * @param file The file get the hash of.
 * @param subdir The sub directory to get the files from.
 * @return
 * - #CR_MATCH if the MD5 hash matches
 * - #CR_MISMATCH if the MD5 does not match
 * - #CR_NO_FILE if the file misses
 */
/* static */ MD5File::ChecksumResult GraphicsSet::CheckMD5(const MD5File *file, Subdirectory subdir)
{
	size_t size = 0;
	FILE *f = FioFOpenFile(file->filename, "rb", subdir, &size);
	if (f == NULL) return MD5File::CR_NO_FILE;

	size_t max = GRFGetSizeOfDataSection(f);

	FioFCloseFile(f);

	return file->CheckMD5(subdir, max);
}
Exemplo n.º 4
0
/**
 * Calculate and check the MD5 hash of the supplied filename.
 * @param subdir The sub directory to get the files from
 * @return
 * - #CR_MATCH if the MD5 hash matches
 * - #CR_MISMATCH if the MD5 does not match
 * - #CR_NO_FILE if the file misses
 */
MD5File::ChecksumResult MD5File::CheckMD5(Subdirectory subdir) const
{
	size_t size;
	FILE *f = FioFOpenFile(this->filename, "rb", subdir, &size);

	if (f == NULL) return CR_NO_FILE;

	Md5 checksum;
	uint8 buffer[1024];
	uint8 digest[16];
	size_t len;

	while ((len = fread(buffer, 1, (size > sizeof(buffer)) ? sizeof(buffer) : size, f)) != 0 && size != 0) {
		size -= len;
		checksum.Append(buffer, len);
	}

	FioFCloseFile(f);

	checksum.Finish(digest);
	return memcmp(this->hash, digest, sizeof(this->hash)) == 0 ? CR_MATCH : CR_MISMATCH;
}
/**
 * Calculate the MD5 sum for a GRF, and store it in the config.
 * @param config GRF to compute.
 * @return MD5 sum was successfully computed
 */
static bool CalcGRFMD5Sum(GRFConfig *config)
{
	FILE *f;
	Md5 checksum;
	uint8 buffer[1024];
	size_t len, size;

	/* open the file */
	f = FioFOpenFile(config->filename, "rb", DATA_DIR, &size);
	if (f == NULL) return false;

	/* calculate md5sum */
	while ((len = fread(buffer, 1, (size > sizeof(buffer)) ? sizeof(buffer) : size, f)) != 0 && size != 0) {
		size -= len;
		checksum.Append(buffer, len);
	}
	checksum.Finish(config->ident.md5sum);

	FioFCloseFile(f);

	return true;
}
Exemplo n.º 6
0
/**
 * Try to add a fios item set with the given filename.
 * @param filename        the full path to the file to read
 * @param basepath_length amount of characters to chop of before to get a relative filename
 * @return true if the file is added.
 */
bool FiosFileScanner::AddFile(const char *filename, size_t basepath_length, const char *tar_filename)
{
	const char *ext = strrchr(filename, '.');
	if (ext == NULL) return false;

	char fios_title[64];
	fios_title[0] = '\0'; // reset the title;

	FiosType type = this->callback_proc(this->mode, filename, ext, fios_title, lastof(fios_title));
	if (type == FIOS_TYPE_INVALID) return false;

	for (const FiosItem *fios = _fios_items.Begin(); fios != _fios_items.End(); fios++) {
		if (strcmp(fios->name, filename) == 0) return false;
	}

	FiosItem *fios = _fios_items.Append();
#ifdef WIN32
	struct _stat sb;
	if (_tstat(OTTD2FS(filename), &sb) == 0) {
#else
	struct stat sb;
	if (stat(filename, &sb) == 0) {
#endif
		fios->mtime = sb.st_mtime;
	} else {
		fios->mtime = 0;
	}

	fios->type = type;
	strecpy(fios->name, filename, lastof(fios->name));

	/* If the file doesn't have a title, use its filename */
	const char *t = fios_title;
	if (StrEmpty(fios_title)) {
		t = strrchr(filename, PATHSEPCHAR);
		t = (t == NULL) ? filename : (t + 1);
	}
	strecpy(fios->title, t, lastof(fios->title));
	str_validate(fios->title, lastof(fios->title));

	return true;
}


/**
 * Fill the list of the files in a directory, according to some arbitrary rule.
 *  @param mode The mode we are in. Some modes don't allow 'parent'.
 *  @param callback_proc The function that is called where you need to do the filtering.
 *  @param subdir The directory from where to start (global) searching.
 */
static void FiosGetFileList(SaveLoadDialogMode mode, fios_getlist_callback_proc *callback_proc, Subdirectory subdir)
{
	struct stat sb;
	struct dirent *dirent;
	DIR *dir;
	FiosItem *fios;
	int sort_start;
	char d_name[sizeof(fios->name)];

	_fios_items.Clear();

	/* A parent directory link exists if we are not in the root directory */
	if (!FiosIsRoot(_fios_path)) {
		fios = _fios_items.Append();
		fios->type = FIOS_TYPE_PARENT;
		fios->mtime = 0;
		strecpy(fios->name, "..", lastof(fios->name));
		strecpy(fios->title, ".. (Parent directory)", lastof(fios->title));
	}

	/* Show subdirectories */
	if ((dir = ttd_opendir(_fios_path)) != NULL) {
		while ((dirent = readdir(dir)) != NULL) {
			strecpy(d_name, FS2OTTD(dirent->d_name), lastof(d_name));

			/* found file must be directory, but not '.' or '..' */
			if (FiosIsValidFile(_fios_path, dirent, &sb) && S_ISDIR(sb.st_mode) &&
					(!FiosIsHiddenFile(dirent) || strncasecmp(d_name, PERSONAL_DIR, strlen(d_name)) == 0) &&
					strcmp(d_name, ".") != 0 && strcmp(d_name, "..") != 0) {
				fios = _fios_items.Append();
				fios->type = FIOS_TYPE_DIR;
				fios->mtime = 0;
				strecpy(fios->name, d_name, lastof(fios->name));
				snprintf(fios->title, lengthof(fios->title), "%s" PATHSEP " (Directory)", d_name);
				str_validate(fios->title, lastof(fios->title));
			}
		}
		closedir(dir);
	}

	/* Sort the subdirs always by name, ascending, remember user-sorting order */
	{
		SortingBits order = _savegame_sort_order;
		_savegame_sort_order = SORT_BY_NAME | SORT_ASCENDING;
		QSortT(_fios_items.Begin(), _fios_items.Length(), CompareFiosItems);
		_savegame_sort_order = order;
	}

	/* This is where to start sorting for the filenames */
	sort_start = _fios_items.Length();

	/* Show files */
	FiosFileScanner scanner(mode, callback_proc);
	if (subdir == NO_DIRECTORY) {
		scanner.Scan(NULL, _fios_path, false);
	} else {
		scanner.Scan(NULL, subdir, true, true);
	}

	QSortT(_fios_items.Get(sort_start), _fios_items.Length() - sort_start, CompareFiosItems);

	/* Show drives */
	FiosGetDrives();

	_fios_items.Compact();
}

/**
 * Get the title of a file, which (if exists) is stored in a file named
 * the same as the data file but with '.title' added to it.
 * @param file filename to get the title for
 * @param title the title buffer to fill
 * @param last the last element in the title buffer
 * @param subdir the sub directory to search in
 */
static void GetFileTitle(const char *file, char *title, const char *last, Subdirectory subdir)
{
	char buf[MAX_PATH];
	strecpy(buf, file, lastof(buf));
	strecat(buf, ".title", lastof(buf));

	FILE *f = FioFOpenFile(buf, "r", subdir);
	if (f == NULL) return;

	size_t read = fread(title, 1, last - title, f);
	assert(title + read <= last);
	title[read] = '\0';
	str_validate(title, last);
	FioFCloseFile(f);
}