GOB: Replace snprintf() usage with Common::String::format()

Safer and less portability issues.

3 files changed, 4 insertions, 10 deletions

diff --git a/engines/gob/resources.cpp b/engines/gob/resources.cpp
index 92eec0ee25..d5497c25be 100644
--- a/engines/gob/resources.cpp
+++ b/engines/gob/resources.cpp
@@ -603,10 +603,7 @@ bool Resources::dumpResource(const Resource &resource, uint16 id,
 
 	Common::String fileName = _fileBase;
 
-	char idStr[7];
-
-	snprintf(idStr, 7, "_%05d", id);
-	fileName += idStr;
+	fileName += Common::String::format("_%05d", id);
 	fileName += ".";
 	fileName += ext;
 
diff --git a/engines/gob/save/savehandler.cpp b/engines/gob/save/savehandler.cpp
index 9e46f1db6f..71de629f93 100644
--- a/engines/gob/save/savehandler.cpp
+++ b/engines/gob/save/savehandler.cpp
@@ -154,8 +154,7 @@ Common::String SlotFileIndexed::build(int slot) const {
 	if ((slot < 0) || (((uint32) slot) >= _slotCount))
 		return Common::String();
 
-	char buf[4];
-	snprintf(buf, sizeof(buf), "%02d", slot);
+	Common::String buf = Common::String::format("%02d", slot);
 
 	return _base + "." + _ext + buf;
 }
diff --git a/engines/gob/sound/sound.cpp b/engines/gob/sound/sound.cpp
index 0ad17c1e33..212116f689 100644
--- a/engines/gob/sound/sound.cpp
+++ b/engines/gob/sound/sound.cpp
@@ -667,15 +667,13 @@ void Sound::bgPlay(const char *base, const char *ext, SoundType type, int count)
 	_bgatmos->stopBA();
 	_bgatmos->queueClear();
 
-	int length = strlen(base) + 7;
-	char *fileName = new char[length];
 	SoundDesc *sndDesc;
 
 	for (int i = 1; i <= count; i++) {
-		snprintf(fileName, length, "%s%02d.%s", base, i, ext);
+		Common::String fileName = Common::String::format("%s%02d.%s", base, i, ext);
 
 		sndDesc = new SoundDesc;
-		if (sampleLoad(sndDesc, type, fileName))
+		if (sampleLoad(sndDesc, type, fileName.c_str()))
 			_bgatmos->queueSample(*sndDesc);
 		else
 			delete sndDesc;