Use File::size to determine the size of a file, instead of doing a seek(0, SEEK_END)

svn-id: r22184

2 files changed, 3 insertions, 9 deletions

diff --git a/common/unzip.cpp b/common/unzip.cpp
index aa267d2ced..c9f534820f 100644
--- a/common/unzip.cpp
+++ b/common/unzip.cpp
@@ -256,13 +256,10 @@ local uLong unzlocal_SearchCentralDir(Common::File &fin)
 	uLong uMaxBack=0xffff; /* maximum size of global comment */
 	uLong uPosFound=0;
 
-	fin.seek(0, SEEK_END);
+	uSizeFile = fin.size();
 	if (fin.ioFailed())
 		return 0;
 
-
-	uSizeFile = fin.pos();
-
 	if (uMaxBack>uSizeFile)
 		uMaxBack = uSizeFile;
 
diff --git a/engines/simon/sound.cpp b/engines/simon/sound.cpp
index 7f28dfdd56..f00ff4456c 100644
--- a/engines/simon/sound.cpp
+++ b/engines/simon/sound.cpp
@@ -109,8 +109,7 @@ BaseSound::BaseSound(Audio::Mixer *mixer, File *file, uint32 base, bool bigendia
 	}
 
 	// only needed for mp3
-	_file->seek(0, SEEK_END);
-	_offsets[res] = _file->pos();
+	_offsets[res] = _file->size();
 }
 
 BaseSound::BaseSound(Audio::Mixer *mixer, File *file, uint32 *offsets, bool bigendian) {
@@ -317,9 +316,7 @@ void Sound::loadVoiceFile(const GameSpecificSettings *gss) {
 		// for simon2 mac/amiga, only read index file
 		file->open("voices.idx");
 		if (file->isOpen() == true) {
-			file->seek(0, SEEK_END);
-			int end = file->pos();
-			file->seek(0, SEEK_SET);
+			int end = file->size();
 			_filenums = (uint16 *)malloc((end / 6 + 1) * 2);
 			_offsets = (uint32 *)malloc((end / 6 + 1) * 4);