1 files changed, 98 insertions, 0 deletions
diff --git a/fios.c b/fios.c
new file mode 100644
index 000000000..8e1f75ba2
--- /dev/null
+++ b/fios.c
@@ -0,0 +1,98 @@
+/* $Id$ */
+
+/** @file fios.c
+ * This file contains functions for building file lists for the save/load dialogs.
+ */
+
+#include "stdafx.h"
+#include "openttd.h"
+#include "hal.h"
+#include "string.h"
+#include "variables.h"
+#include "functions.h"
+#include "table/strings.h"
+#include "hal.h"
+#include <sys/types.h>
+#include <sys/stat.h>
+
+#ifdef WIN32
+# include <io.h>
+#else
+# include <unistd.h>
+# include <dirent.h>
+#endif /* WIN32 */
+
+char *_fios_path;
+FiosItem *_fios_items;
+int _fios_count, _fios_alloc;
+
+/**
+ * Allocate a new FiosItem.
+ * @return A pointer to the newly allocated FiosItem.
+ */
+FiosItem *FiosAlloc(void)
+{
+	if (_fios_count == _fios_alloc) {
+		_fios_alloc += 256;
+		_fios_items = realloc(_fios_items, _fios_alloc * sizeof(FiosItem));
+	}
+	return &_fios_items[_fios_count++];
+}
+
+/**
+ * Compare two FiosItem's. Used with qsort when sorting the file list.
+ * @param a A pointer to the first FiosItem to compare.
+ * @param a A pointer to the second FiosItem to compare.
+ * @return -1, 0 or 1, depending on how the two items should be sorted.
+ */
+int CDECL compare_FiosItems(const void *a, const void *b)
+{
+	const FiosItem *da = (const FiosItem *)a;
+	const FiosItem *db = (const FiosItem *)b;
+	int r;
+
+	if (_savegame_sort_order & SORT_BY_NAME) {
+		r = strcasecmp(da->title, db->title);
+	} else {
+		r = da->mtime < db->mtime ? -1 : 1;
+	}
+
+	if (_savegame_sort_order & SORT_DESCENDING) r = -r;
+	return r;
+}
+
+/**
+ * Free the list of savegames
+ */
+void FiosFreeSavegameList(void)
+{
+	free(_fios_items);
+	_fios_items = NULL;
+	_fios_alloc = _fios_count = 0;
+}
+
+void FiosMakeSavegameName(char *buf, const char *name, size_t size)
+{
+	const char *extension, *period;
+
+	extension = (_game_mode == GM_EDITOR) ? ".scn" : ".sav";
+
+	/* Don't append the extension if it is already there */
+	period = strrchr(name, '.');
+	if (period != NULL && strcasecmp(period, extension) == 0) extension = "";
+
+	snprintf(buf, size, "%s" PATHSEP "%s%s", _fios_path, name, extension);
+}
+
+bool FiosDelete(const char *name)
+{
+	char filename[512];
+
+	FiosMakeSavegameName(filename, name, lengthof(filename));
+	return unlink(filename) == 0;
+}
+
+bool FileExists(const char *filename)
+{
+	return access(filename, 0) == 0;
+}