1 files changed, 93 insertions, 67 deletions
diff --git a/fs/nls/nls_cp852.c b/fs/nls/nls_cp852.c
index c57b77bc7..ea89ebc9c 100644
--- a/fs/nls/nls_cp852.c
+++ b/fs/nls/nls_cp852.c
@@ -11,88 +11,89 @@
 #include <linux/kernel.h>
 #include <linux/string.h>
 #include <linux/nls.h>
+#include <linux/errno.h>
 
-static struct nls_unicode charset2uni[256] = {
+static wchar_t charset2uni[256] = {
 	/* 0x00*/
-	{0x00, 0x00}, {0x01, 0x00}, {0x02, 0x00}, {0x03, 0x00},
-	{0x04, 0x00}, {0x05, 0x00}, {0x06, 0x00}, {0x07, 0x00},
-	{0x08, 0x00}, {0x09, 0x00}, {0x0a, 0x00}, {0x0b, 0x00},
-	{0x0c, 0x00}, {0x0d, 0x00}, {0x0e, 0x00}, {0x0f, 0x00},
+	0x0000, 0x0001, 0x0002, 0x0003,
+	0x0004, 0x0005, 0x0006, 0x0007,
+	0x0008, 0x0009, 0x000a, 0x000b,
+	0x000c, 0x000d, 0x000e, 0x000f,
 	/* 0x10*/
-	{0x10, 0x00}, {0x11, 0x00}, {0x12, 0x00}, {0x13, 0x00},
-	{0x14, 0x00}, {0x15, 0x00}, {0x16, 0x00}, {0x17, 0x00},
-	{0x18, 0x00}, {0x19, 0x00}, {0x1a, 0x00}, {0x1b, 0x00},
-	{0x1c, 0x00}, {0x1d, 0x00}, {0x1e, 0x00}, {0x1f, 0x00},
+	0x0010, 0x0011, 0x0012, 0x0013,
+	0x0014, 0x0015, 0x0016, 0x0017,
+	0x0018, 0x0019, 0x001a, 0x001b,
+	0x001c, 0x001d, 0x001e, 0x001f,
 	/* 0x20*/
-	{0x20, 0x00}, {0x21, 0x00}, {0x22, 0x00}, {0x23, 0x00},
-	{0x24, 0x00}, {0x25, 0x00}, {0x26, 0x00}, {0x27, 0x00},
-	{0x28, 0x00}, {0x29, 0x00}, {0x2a, 0x00}, {0x2b, 0x00},
-	{0x2c, 0x00}, {0x2d, 0x00}, {0x2e, 0x00}, {0x2f, 0x00},
+	0x0020, 0x0021, 0x0022, 0x0023,
+	0x0024, 0x0025, 0x0026, 0x0027,
+	0x0028, 0x0029, 0x002a, 0x002b,
+	0x002c, 0x002d, 0x002e, 0x002f,
 	/* 0x30*/
-	{0x30, 0x00}, {0x31, 0x00}, {0x32, 0x00}, {0x33, 0x00},
-	{0x34, 0x00}, {0x35, 0x00}, {0x36, 0x00}, {0x37, 0x00},
-	{0x38, 0x00}, {0x39, 0x00}, {0x3a, 0x00}, {0x3b, 0x00},
-	{0x3c, 0x00}, {0x3d, 0x00}, {0x3e, 0x00}, {0x3f, 0x00},
+	0x0030, 0x0031, 0x0032, 0x0033,
+	0x0034, 0x0035, 0x0036, 0x0037,
+	0x0038, 0x0039, 0x003a, 0x003b,
+	0x003c, 0x003d, 0x003e, 0x003f,
 	/* 0x40*/
-	{0x40, 0x00}, {0x41, 0x00}, {0x42, 0x00}, {0x43, 0x00},
-	{0x44, 0x00}, {0x45, 0x00}, {0x46, 0x00}, {0x47, 0x00},
-	{0x48, 0x00}, {0x49, 0x00}, {0x4a, 0x00}, {0x4b, 0x00},
-	{0x4c, 0x00}, {0x4d, 0x00}, {0x4e, 0x00}, {0x4f, 0x00},
+	0x0040, 0x0041, 0x0042, 0x0043,
+	0x0044, 0x0045, 0x0046, 0x0047,
+	0x0048, 0x0049, 0x004a, 0x004b,
+	0x004c, 0x004d, 0x004e, 0x004f,
 	/* 0x50*/
-	{0x50, 0x00}, {0x51, 0x00}, {0x52, 0x00}, {0x53, 0x00},
-	{0x54, 0x00}, {0x55, 0x00}, {0x56, 0x00}, {0x57, 0x00},
-	{0x58, 0x00}, {0x59, 0x00}, {0x5a, 0x00}, {0x5b, 0x00},
-	{0x5c, 0x00}, {0x5d, 0x00}, {0x5e, 0x00}, {0x5f, 0x00},
+	0x0050, 0x0051, 0x0052, 0x0053,
+	0x0054, 0x0055, 0x0056, 0x0057,
+	0x0058, 0x0059, 0x005a, 0x005b,
+	0x005c, 0x005d, 0x005e, 0x005f,
 	/* 0x60*/
-	{0x60, 0x00}, {0x61, 0x00}, {0x62, 0x00}, {0x63, 0x00},
-	{0x64, 0x00}, {0x65, 0x00}, {0x66, 0x00}, {0x67, 0x00},
-	{0x68, 0x00}, {0x69, 0x00}, {0x6a, 0x00}, {0x6b, 0x00},
-	{0x6c, 0x00}, {0x6d, 0x00}, {0x6e, 0x00}, {0x6f, 0x00},
+	0x0060, 0x0061, 0x0062, 0x0063,
+	0x0064, 0x0065, 0x0066, 0x0067,
+	0x0068, 0x0069, 0x006a, 0x006b,
+	0x006c, 0x006d, 0x006e, 0x006f,
 	/* 0x70*/
-	{0x70, 0x00}, {0x71, 0x00}, {0x72, 0x00}, {0x73, 0x00},
-	{0x74, 0x00}, {0x75, 0x00}, {0x76, 0x00}, {0x77, 0x00},
-	{0x78, 0x00}, {0x79, 0x00}, {0x7a, 0x00}, {0x7b, 0x00},
-	{0x7c, 0x00}, {0x7d, 0x00}, {0x7e, 0x00}, {0x7f, 0x00},
+	0x0070, 0x0071, 0x0072, 0x0073,
+	0x0074, 0x0075, 0x0076, 0x0077,
+	0x0078, 0x0079, 0x007a, 0x007b,
+	0x007c, 0x007d, 0x007e, 0x007f,
 	/* 0x80*/
-	{0xc7, 0x00}, {0xfc, 0x00}, {0xe9, 0x00}, {0xe2, 0x00},
-	{0xe4, 0x00}, {0x6f, 0x01}, {0x07, 0x01}, {0xe7, 0x00},
-	{0x42, 0x01}, {0xeb, 0x00}, {0x50, 0x01}, {0x51, 0x01},
-	{0xee, 0x00}, {0x79, 0x01}, {0xc4, 0x00}, {0x06, 0x01},
+	0x00c7, 0x00fc, 0x00e9, 0x00e2,
+	0x00e4, 0x016f, 0x0107, 0x00e7,
+	0x0142, 0x00eb, 0x0150, 0x0151,
+	0x00ee, 0x0179, 0x00c4, 0x0106,
 	/* 0x90*/
-	{0xc9, 0x00}, {0x39, 0x01}, {0x3a, 0x01}, {0xf4, 0x00},
-	{0xf6, 0x00}, {0x3d, 0x01}, {0x3e, 0x01}, {0x5a, 0x01},
-	{0x5b, 0x01}, {0xd6, 0x00}, {0xdc, 0x00}, {0x64, 0x01},
-	{0x65, 0x01}, {0x41, 0x01}, {0xd7, 0x00}, {0x0d, 0x01},
+	0x00c9, 0x0139, 0x013a, 0x00f4,
+	0x00f6, 0x013d, 0x013e, 0x015a,
+	0x015b, 0x00d6, 0x00dc, 0x0164,
+	0x0165, 0x0141, 0x00d7, 0x010d,
 	/* 0xa0*/
-	{0xe1, 0x00}, {0xed, 0x00}, {0xf3, 0x00}, {0xfa, 0x00},
-	{0x04, 0x01}, {0x05, 0x01}, {0x7d, 0x01}, {0x7e, 0x01},
-	{0x18, 0x01}, {0x19, 0x01}, {0xac, 0x00}, {0x7a, 0x01},
-	{0x0c, 0x01}, {0x5f, 0x01}, {0xab, 0x00}, {0xbb, 0x00},
+	0x00e1, 0x00ed, 0x00f3, 0x00fa,
+	0x0104, 0x0105, 0x017d, 0x017e,
+	0x0118, 0x0119, 0x00ac, 0x017a,
+	0x010c, 0x015f, 0x00ab, 0x00bb,
 	/* 0xb0*/
-	{0x91, 0x25}, {0x92, 0x25}, {0x93, 0x25}, {0x02, 0x25},
-	{0x24, 0x25}, {0xc1, 0x00}, {0xc2, 0x00}, {0x1a, 0x01},
-	{0x5e, 0x01}, {0x63, 0x25}, {0x51, 0x25}, {0x57, 0x25},
-	{0x5d, 0x25}, {0x7b, 0x01}, {0x7c, 0x01}, {0x10, 0x25},
+	0x2591, 0x2592, 0x2593, 0x2502,
+	0x2524, 0x00c1, 0x00c2, 0x011a,
+	0x015e, 0x2563, 0x2551, 0x2557,
+	0x255d, 0x017b, 0x017c, 0x2510,
 	/* 0xc0*/
-	{0x14, 0x25}, {0x34, 0x25}, {0x2c, 0x25}, {0x1c, 0x25},
-	{0x00, 0x25}, {0x3c, 0x25}, {0x02, 0x01}, {0x03, 0x01},
-	{0x5a, 0x25}, {0x54, 0x25}, {0x69, 0x25}, {0x66, 0x25},
-	{0x60, 0x25}, {0x50, 0x25}, {0x6c, 0x25}, {0xa4, 0x00},
+	0x2514, 0x2534, 0x252c, 0x251c,
+	0x2500, 0x253c, 0x0102, 0x0103,
+	0x255a, 0x2554, 0x2569, 0x2566,
+	0x2560, 0x2550, 0x256c, 0x00a4,
 	/* 0xd0*/
-	{0x11, 0x01}, {0x10, 0x01}, {0x0e, 0x01}, {0xcb, 0x00},
-	{0x0f, 0x01}, {0x47, 0x01}, {0xcd, 0x00}, {0xce, 0x00},
-	{0x1b, 0x01}, {0x18, 0x25}, {0x0c, 0x25}, {0x88, 0x25},
-	{0x84, 0x25}, {0x62, 0x01}, {0x6e, 0x01}, {0x80, 0x25},
+	0x0111, 0x0110, 0x010e, 0x00cb,
+	0x010f, 0x0147, 0x00cd, 0x00ce,
+	0x011b, 0x2518, 0x250c, 0x2588,
+	0x2584, 0x0162, 0x016e, 0x2580,
 	/* 0xe0*/
-	{0xd3, 0x00}, {0xdf, 0x00}, {0xd4, 0x00}, {0x43, 0x01},
-	{0x44, 0x01}, {0x48, 0x01}, {0x60, 0x01}, {0x61, 0x01},
-	{0x54, 0x01}, {0xda, 0x00}, {0x55, 0x01}, {0x70, 0x01},
-	{0xfd, 0x00}, {0xdd, 0x00}, {0x63, 0x01}, {0xb4, 0x00},
+	0x00d3, 0x00df, 0x00d4, 0x0143,
+	0x0144, 0x0148, 0x0160, 0x0161,
+	0x0154, 0x00da, 0x0155, 0x0170,
+	0x00fd, 0x00dd, 0x0163, 0x00b4,
 	/* 0xf0*/
-	{0xad, 0x00}, {0xdd, 0x02}, {0xdb, 0x02}, {0xc7, 0x02},
-	{0xd8, 0x02}, {0xa7, 0x00}, {0xf7, 0x00}, {0xb8, 0x00},
-	{0xb0, 0x00}, {0xa8, 0x00}, {0xd9, 0x02}, {0x71, 0x01},
-	{0x58, 0x01}, {0x59, 0x01}, {0xa0, 0x25}, {0xa0, 0x00},
+	0x00ad, 0x02dd, 0x02db, 0x02c7,
+	0x02d8, 0x00a7, 0x00f7, 0x00b8,
+	0x00b0, 0x00a8, 0x02d9, 0x0171,
+	0x0158, 0x0159, 0x25a0, 0x00a0,
 };
 
 static unsigned char page00[256] = {
@@ -319,10 +320,35 @@ static unsigned char charset2upper[256] = {
 	0xf8, 0xf9, 0xfa, 0xeb, 0xfc, 0xfc, 0xfe, 0xff, /* 0xf8-0xff */
 };
 
+static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
+{
+	unsigned char *uni2charset;
+	unsigned char cl = uni & 0x00ff;
+	unsigned char ch = (uni & 0xff00) >> 8;
+
+	if (boundlen <= 0)
+		return -ENAMETOOLONG;
+
+	uni2charset = page_uni2charset[ch];
+	if (uni2charset && uni2charset[cl])
+		out[0] = uni2charset[cl];
+	else
+		return -EINVAL;
+	return 1;
+}
+
+static int char2uni(const unsigned char *rawstring, int boundlen, wchar_t *uni)
+{
+	*uni = charset2uni[*rawstring];
+	if (*uni == 0x0000)
+		return -EINVAL;
+	return 1;
+}
+
 static struct nls_table table = {
 	"cp852",
-	page_uni2charset,
-	charset2uni,
+	uni2char,
+	char2uni,
 	charset2lower,
 	charset2upper,
 	THIS_MODULE,