Make use of md5_file_string

svn-id: r25593

4 files changed, 13 insertions, 20 deletions

diff --git a/engines/scumm/file.cpp b/engines/scumm/file.cpp
index 63e7ee48e1..0d580a327c 100644
--- a/engines/scumm/file.cpp
+++ b/engines/scumm/file.cpp
@@ -1383,14 +1383,10 @@ bool ScummNESFile::generateIndex() {
 }
 
 bool ScummNESFile::open(const Common::String &filename, AccessMode mode) {
-	uint8 md5sum[16];
 
 	if (_ROMset == kROMsetNum) {
-		if (Common::md5_file(filename.c_str(), md5sum)) {
-			char md5str[32+1];
-			for (int j = 0; j < 16; j++) {
-				sprintf(md5str + j*2, "%02x", (int)md5sum[j]);
-			}
+		char md5str[32+1];
+		if (Common::md5_file_string(filename.c_str(), md5str)) {
 
 			if (!strcmp(md5str, "3905799e081b80a61d4460b7b733c206")) {
 				_ROMset = kROMsetUSA;
diff --git a/engines/scumm/plugin.cpp b/engines/scumm/plugin.cpp
index ce01388925..250787eaf6 100644
--- a/engines/scumm/plugin.cpp
+++ b/engines/scumm/plugin.cpp
@@ -971,7 +971,6 @@ static Common::String generateFilenameForDetection(const GameFilenamePattern &gf
 struct DetectorDesc {
 	FilesystemNode node;
 	Common::String md5;
-	uint8 md5sum[16];
 	const MD5Table *md5Entry;	// Entry of the md5 table corresponding to this file, if any.
 };
 
@@ -1013,7 +1012,6 @@ static void detectGames(const FSList &fslist, Common::List<DetectorResult> &resu
 		dr.game.gameid = 0;
 		dr.language = gfp->language;
 		dr.md5.clear();
-		memset(dr.md5sum, 0, 16);
 		dr.extra = 0;
 		
 		//  ____            _     _ 
@@ -1034,19 +1032,13 @@ static void detectGames(const FSList &fslist, Common::List<DetectorResult> &resu
 		//
 		DetectorDesc &d = fileMD5Map[file];
 		if (d.md5.empty()) {
-			uint8 md5sum[16];
-			if (Common::md5_file(d.node, md5sum, kMD5FileSizeLimit)) {
-				char md5str[32+1];
-				for (int j = 0; j < 16; j++) {
-					sprintf(md5str + j*2, "%02x", (int)md5sum[j]);
-				}
+			char md5str[32+1];
+			if (Common::md5_file_string(d.node, md5str, kMD5FileSizeLimit)) {
 
 				d.md5 = md5str;
-				memcpy(d.md5sum, md5sum, 16);
 				d.md5Entry = findInMD5Table(md5str);
 
 				dr.md5 = d.md5;
-				memcpy(dr.md5sum, d.md5sum, 16);
 
 				if (d.md5Entry) {
 					// Exact match found
@@ -1117,7 +1109,6 @@ static void detectGames(const FSList &fslist, Common::List<DetectorResult> &resu
 		// the gfp record. We then try to decide for each whether it could be
 		// appropriate or not.
 		dr.md5 = d.md5;
-		memcpy(dr.md5sum, d.md5sum, 16);
 		for (g = gameVariantsTable; g->gameid; ++g) {
 			// Skip over entries with a different gameid.
 			if (g->gameid[0] == 0 || scumm_stricmp(gfp->gameid, g->gameid))
diff --git a/engines/scumm/plugin.h b/engines/scumm/plugin.h
index 905b785315..3b0ddabd54 100644
--- a/engines/scumm/plugin.h
+++ b/engines/scumm/plugin.h
@@ -116,7 +116,6 @@ struct DetectorResult {
 	GameSettings game;
 	Common::Language language;
 	Common::String md5;
-	uint8 md5sum[16];
 	const char *extra;
 };
 
diff --git a/engines/scumm/scumm.cpp b/engines/scumm/scumm.cpp
index 64bdf42f0f..8d07538638 100644
--- a/engines/scumm/scumm.cpp
+++ b/engines/scumm/scumm.cpp
@@ -119,8 +119,15 @@ ScummEngine::ScummEngine(OSystem *syst, const DetectorResult &dr)
 	}
 	_res = new ResourceManager(this);
 
-	// Copy MD5 checksum
-	memcpy(_gameMD5, dr.md5sum, 16);
+	// Convert MD5 checksum back into a digest
+	for (int i = 0; i < 16; ++i) {
+		char tmpStr[3] = "00";
+		uint tmpVal;
+		tmpStr[0] = dr.md5[2*i];
+		tmpStr[1] = dr.md5[2*i+1];
+		sscanf(tmpStr, "%x", &tmpVal);
+		_gameMD5[i] = (byte)tmpVal;
+	}
 	
 	_fileHandle = 0;