From a7307e0c0e0563c2de9cb0cd80e59795f151a208 Mon Sep 17 00:00:00 2001
From: tantricity <tantricity@users.sourceforge.net>
Date: Tue, 21 Jun 2011 03:49:56 +0000
Subject: [PATCH] case sensitive patch (Extrems)

---
 source/directory.c | 14 ++++++++++----
 source/directory.h |  5 ++++-
 2 files changed, 14 insertions(+), 5 deletions(-)

diff --git a/source/directory.c b/source/directory.c
index 55de3bb..4ec6fce 100644
--- a/source/directory.c
+++ b/source/directory.c
@@ -204,8 +204,10 @@ static int _FAT_directory_mbsncasecmp (const char* s1, const char* s2, size_t le
 
 
 static bool _FAT_directory_entryGetAlias (const u8* entryData, char* destName) {
-	int i=0;
-	int j=0;
+	char c;
+	bool caseInfo;
+	int i = 0;
+	int j = 0;
 
 	destName[0] = '\0';
 	if (entryData[0] != DIR_ENTRY_FREE) {
@@ -219,14 +221,18 @@ static bool _FAT_directory_entryGetAlias (const u8* entryData, char* destName) {
 			}
 		} else {
 			// Copy the filename from the dirEntry to the string
+			caseInfo = entryData[DIR_ENTRY_caseInfo] & CASE_LOWER_BASE;
 			for (i = 0; (i < 8) && (entryData[DIR_ENTRY_name + i] != ' '); i++) {
-				destName[i] = entryData[DIR_ENTRY_name + i];
+				c = entryData[DIR_ENTRY_name + i];
+				destName[i] = (caseInfo ? tolower(c) : c);
 			}
 			// Copy the extension from the dirEntry to the string
 			if (entryData[DIR_ENTRY_extension] != ' ') {
 				destName[i++] = '.';
+				caseInfo = entryData[DIR_ENTRY_caseInfo] & CASE_LOWER_EXT;
 				for ( j = 0; (j < 3) && (entryData[DIR_ENTRY_extension + j] != ' '); j++) {
-					destName[i++] = entryData[DIR_ENTRY_extension + j];
+					c = entryData[DIR_ENTRY_extension + j];
+					destName[i++] = (caseInfo ? tolower(c) : c);
 				}
 			}
 			destName[i] = '\0';
diff --git a/source/directory.h b/source/directory.h
index 9342921..ac66c78 100644
--- a/source/directory.h
+++ b/source/directory.h
@@ -57,6 +57,9 @@
 #define ATTRIB_HID	0x02			// Hidden
 #define ATTRIB_RO	0x01			// Read only
 
+#define CASE_LOWER_EXT  0x10		// WinNT lowercase extension
+#define CASE_LOWER_BASE 0x08		// WinNT lowercase basename
+
 typedef enum {FT_DIRECTORY, FT_FILE} FILE_TYPE;
 
 typedef struct {
@@ -77,7 +80,7 @@ enum DIR_ENTRY_offset {
 	DIR_ENTRY_name = 0x00,
 	DIR_ENTRY_extension = 0x08,
 	DIR_ENTRY_attributes = 0x0B,
-	DIR_ENTRY_reserved = 0x0C,
+	DIR_ENTRY_caseInfo = 0x0C,
 	DIR_ENTRY_cTime_ms = 0x0D,
 	DIR_ENTRY_cTime = 0x0E,
 	DIR_ENTRY_cDate = 0x10,