COMMON: Add SaveFileManager::copySavefile() and update SaveFileManager::renameSavefile() to use it

2 files changed, 18 insertions, 5 deletions

diff --git a/backends/saves/savefile.cpp b/backends/saves/savefile.cpp
index d2fc913f14..7b7d6b0c0c 100644
--- a/backends/saves/savefile.cpp
+++ b/backends/saves/savefile.cpp
@@ -31,8 +31,7 @@
 
 namespace Common {
 
-bool SaveFileManager::renameSavefile(const String &oldFilename, const String &newFilename) {
-
+bool SaveFileManager::copySavefile(const String &oldFilename, const String &newFilename) {
 	InSaveFile *inFile = 0;
 	OutSaveFile *outFile = 0;
 	uint32 size = 0;
@@ -57,9 +56,8 @@ bool SaveFileManager::renameSavefile(const String &oldFilename, const String &ne
 			if (!error) {
 				outFile->write(buffer, size);
 				outFile->finalize();
-				if (!outFile->err()) {
-					success = removeSavefile(oldFilename);
-				}
+
+				success = !outFile->err();
 			}
 		}
 
@@ -71,6 +69,13 @@ bool SaveFileManager::renameSavefile(const String &oldFilename, const String &ne
 	return success;
 }
 
+bool SaveFileManager::renameSavefile(const String &oldFilename, const String &newFilename) {
+	if (!copySavefile(oldFilename, newFilename))
+		return false;
+
+	return removeSavefile(oldFilename);
+}
+
 String SaveFileManager::popErrorDesc() {
 	String err = _errorDesc;
 	clearError();
diff --git a/common/savefile.h b/common/savefile.h
index 16b0fdbfbe..793aec3ba9 100644
--- a/common/savefile.h
+++ b/common/savefile.h
@@ -136,6 +136,14 @@ public:
 	virtual bool renameSavefile(const String &oldName, const String &newName);
 
 	/**
+	 * Copy the given savefile.
+	 * @param oldName Old name.
+	 * @param newName New name.
+	 * @return true if no error occurred. false otherwise.
+	 */
+	virtual bool copySavefile(const String &oldName, const String &newName);
+
+	/**
 	 * Request a list of available savegames with a given DOS-style pattern,
 	 * also known as "glob" in the UNIX world. Refer to the Common::matchString()
 	 * function to learn about the precise pattern format.