From: iceman1001 <iceman@iuse.se>
Date: Sun, 10 Apr 2016 10:56:59 +0000 (+0200)
Subject: CHG: mostly syntax suger,  trying to uniform the look 'n feel..   To make calls act... 
X-Git-Url: http://cvs.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/commitdiff_plain/2abdfa491ccf46320cd813764ca8ca49073388ed?hp=5eceba292f639ba9ff50a2e85d2358e93cfcd541

CHG: mostly syntax suger,  trying to uniform the look 'n feel..   To make calls act to what is expected.
---

diff --git a/armsrc/mifarecmd.c b/armsrc/mifarecmd.c
index c0e357b8..423b6e95 100644
--- a/armsrc/mifarecmd.c
+++ b/armsrc/mifarecmd.c
@@ -832,7 +832,7 @@ void MifareNested(uint32_t arg0, uint32_t arg1, uint32_t calibrate, uint8_t *dat
 
 			nttmp = prng_successor(nt1, 100);				//NXP Mifare is typical around 840,but for some unlicensed/compatible mifare card this can be 160
 			for (i = 101; i < 1200; i++) {
-				nttmp = prng_successor_one(nttmp);
+				nttmp = prng_successor(nttmp, 1);
 				if (nttmp == nt2) break;
 			}
 
@@ -914,7 +914,7 @@ void MifareNested(uint32_t arg0, uint32_t arg1, uint32_t calibrate, uint8_t *dat
 			ncount = 0;
 			nttest = prng_successor(nt1, dmin - 1);
 			for (j = dmin; j < dmax + 1; j++) {
-				nttest = prng_successor_one(nttest);
+				nttest = prng_successor(nttest, 1);
 				ks1 = nt2 ^ nttest;
 
 				if (valid_nonce(nttest, nt2, ks1, par_array)){
@@ -983,7 +983,7 @@ void MifareChkKeys(uint16_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
 	struct Crypto1State *pcs;
 	pcs = &mpcs;
 	
-	// clear debug level
+	// save old debuglevel, and tempory turn off dbg printing. speedissues.
 	int OLD_MF_DBGLEVEL = MF_DBGLEVEL;	
 	MF_DBGLEVEL = MF_DBG_NONE;
 	
@@ -996,35 +996,33 @@ void MifareChkKeys(uint16_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
 		clear_trace();
 	
 	set_tracing(TRUE);
-
+	
 	for (i = 0; i < keyCount; ++i) {
 
-		if (!iso14443a_select_card(uid, NULL, &cuid, true, 0)) {
-			if (OLD_MF_DBGLEVEL >= 1)	Dbprintf("ChkKeys: Can't select card");
+		mifare_classic_halt(pcs, cuid);
+	
+		if (!iso14443a_select_card(uid, NULL, &cuid, true, 0))
 			break;
-		}
 
 		ui64Key = bytes_to_num(datain + i * 6, 6);
-		if (mifare_classic_auth(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST)) {
-			if (mifare_classic_halt(pcs, cuid))
-				if (MF_DBGLEVEL >= 1)	Dbprintf("ChkKeys: Halt error");
+		
+		if (mifare_classic_auth(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST))
 			continue;
-		}
 		
 		isOK = 1;
 		break;
 	}
 	
 	LED_B_ON();
-    cmd_send(CMD_ACK,isOK,0,0,datain + i * 6,6);
+    cmd_send(CMD_ACK, isOK, 0, 0, datain + i * 6, 6);
 
+	// restore debug level
+	MF_DBGLEVEL = OLD_MF_DBGLEVEL;	
+	
 	FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
 	LEDsoff();
 	set_tracing(FALSE);
 	crypto1_destroy(pcs);
-	
-	// restore debug level
-	MF_DBGLEVEL = OLD_MF_DBGLEVEL;	
 }
 
 //-----------------------------------------------------------------------------
@@ -1205,7 +1203,7 @@ void MifareCSetBlock(uint32_t arg0, uint32_t arg1, uint8_t *datain){
 	
 		// wipe tag, fill it with zeros
 		if (workFlags & MAGIC_WIPE){
-			ReaderTransmitBitsPar(wupC1,7,0, NULL);
+			ReaderTransmitBitsPar(wupC1, 7, NULL, NULL);
 			if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {
 				if (MF_DBGLEVEL >= MF_DBG_ERROR)	Dbprintf("wupC1 error");
 				errormsg = MAGIC_WIPE;
@@ -1224,7 +1222,7 @@ void MifareCSetBlock(uint32_t arg0, uint32_t arg1, uint8_t *datain){
 
 		// write block
 		if (workFlags & MAGIC_WUPC) {
-			ReaderTransmitBitsPar(wupC1,7,0, NULL);
+			ReaderTransmitBitsPar(wupC1, 7, NULL, NULL);
 			if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {
 				if (MF_DBGLEVEL >= MF_DBG_ERROR)	Dbprintf("wupC1 error");
 				errormsg = MAGIC_WUPC;
@@ -1297,7 +1295,7 @@ void MifareCGetBlock(uint32_t arg0, uint32_t arg1, uint8_t *datain){
 	//loop doesn't loop just breaks out if error or done
 	while (true) {
 		if (workFlags & MAGIC_WUPC) {
-			ReaderTransmitBitsPar(wupC1,7,0, NULL);
+			ReaderTransmitBitsPar(wupC1, 7, NULL, NULL);
 			if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {
 				if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("wupC1 error");
 				errormsg = MAGIC_WUPC;
@@ -1350,7 +1348,7 @@ void MifareCIdent(){
 	uint8_t receivedAnswer[1] = {0x00};
 	uint8_t receivedAnswerPar[1] = {0x00};
 
-	ReaderTransmitBitsPar(wupC1,7,0, NULL);
+	ReaderTransmitBitsPar(wupC1, 7, NULL, NULL);
 	if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {
 		isOK = false;
 	}
diff --git a/armsrc/mifaredesfire.c b/armsrc/mifaredesfire.c
index 75cb9e73..c5e42277 100644
--- a/armsrc/mifaredesfire.c
+++ b/armsrc/mifaredesfire.c
@@ -520,7 +520,7 @@ int DesfireAPDU(uint8_t *cmd, size_t cmd_len, uint8_t *dataout){
 
 	len = ReaderReceive(resp, par);
 	
-	if( len == 0x00 ){
+	if ( !len ) {
 		if (MF_DBGLEVEL >= 4) Dbprintf("fukked");
 		return FALSE; //DATA LINK ERROR
 	}
diff --git a/armsrc/mifareutil.c b/armsrc/mifareutil.c
index 0a057d65..bae4761d 100644
--- a/armsrc/mifareutil.c
+++ b/armsrc/mifareutil.c
@@ -49,9 +49,9 @@ void mf_crypto1_encrypt(struct Crypto1State *pcs, uint8_t *data, uint16_t len, u
 	for (i = 0; i < len; i++) {
 		bt = data[i];
 		data[i] = crypto1_byte(pcs, 0x00, 0) ^ data[i];
-		if ((i&0x0007) == 0) 
-			par[i>>3] = 0;
-		par[i>>3] |= (((filter(pcs->odd) ^ oddparity8(bt)) & 0x01)<<(7-(i&0x0007)));
+		if ( ( i & 0x0007 ) == 0) 
+			par[ i >> 3 ] = 0;
+		par[ i >> 3 ] |= (((filter(pcs->odd) ^ oddparity8(bt)) & 0x01)<<(7-(i&0x0007)));
 	}	
 }
 
@@ -65,32 +65,28 @@ uint8_t mf_crypto1_encrypt4bit(struct Crypto1State *pcs, uint8_t data) {
 }
 
 // send X byte basic commands
-int mifare_sendcmd(uint8_t cmd, uint8_t* data, uint8_t data_size, uint8_t* answer, uint8_t *answer_parity, uint32_t *timing)
-{
+int mifare_sendcmd(uint8_t cmd, uint8_t* data, uint8_t data_size, uint8_t* answer, uint8_t *answer_parity, uint32_t *timing) {
 	uint8_t dcmd[data_size+3];
     dcmd[0] = cmd;
-	memcpy(dcmd+1,data,data_size);
+	memcpy(dcmd+1, data, data_size);
 	AppendCrc14443a(dcmd, data_size+1);
 	ReaderTransmit(dcmd, sizeof(dcmd), timing);
 	int len = ReaderReceive(answer, answer_parity);
 	if(!len) {
-		if (MF_DBGLEVEL >= MF_DBG_ERROR)   Dbprintf("%02X Cmd failed. Card timeout.", cmd);
-			len = ReaderReceive(answer,answer_parity);
+		if (MF_DBGLEVEL >= MF_DBG_ERROR)
+			Dbprintf("%02X Cmd failed. Card timeout.", cmd);
+		len = ReaderReceive(answer,answer_parity);
     }
 	return len;
 }
 
 // send 2 byte commands
-int mifare_sendcmd_short(struct Crypto1State *pcs, uint8_t crypted, uint8_t cmd, uint8_t data, uint8_t *answer, uint8_t *answer_parity, uint32_t *timing)
-{
-	uint8_t dcmd[4] = {0x00};
-	uint8_t	ecmd[4] = {0x00};
+int mifare_sendcmd_short(struct Crypto1State *pcs, uint8_t crypted, uint8_t cmd, uint8_t data, uint8_t *answer, uint8_t *answer_parity, uint32_t *timing) {
 	uint16_t pos, res;
+	uint8_t dcmd[4] = {cmd, data, 0x00, 0x00};
+	uint8_t	ecmd[4] = {0x00, 0x00, 0x00, 0x00};
 	uint8_t par[1] = {0x00};			// 1 Byte parity is enough here
-	dcmd[0] = cmd;
-	dcmd[1] = data;
 	AppendCrc14443a(dcmd, 2);
-	
 	memcpy(ecmd, dcmd, sizeof(dcmd));
 	
 	if (crypted) {
@@ -99,9 +95,7 @@ int mifare_sendcmd_short(struct Crypto1State *pcs, uint8_t crypted, uint8_t cmd,
 			ecmd[pos] = crypto1_byte(pcs, 0x00, 0) ^ dcmd[pos];
 			par[0] |= (((filter(pcs->odd) ^ oddparity8(dcmd[pos])) & 0x01) << (7-pos));
 		}	
-
 		ReaderTransmitPar(ecmd, sizeof(ecmd), par, timing);
-
 	} else {
 		ReaderTransmit(dcmd, sizeof(dcmd), timing);
 	}
@@ -117,26 +111,21 @@ int mifare_sendcmd_short(struct Crypto1State *pcs, uint8_t crypted, uint8_t cmd,
 			res |= (crypto1_bit(pcs, 0, 0) ^ BIT(answer[0], 1)) << 1;
 			res |= (crypto1_bit(pcs, 0, 0) ^ BIT(answer[0], 2)) << 2;
 			res |= (crypto1_bit(pcs, 0, 0) ^ BIT(answer[0], 3)) << 3;
-			answer[0] = res;
-			
+			answer[0] = res;			
 		} else {
 			for (pos = 0; pos < len; pos++)
 				answer[pos] = crypto1_byte(pcs, 0x00, 0) ^ answer[pos];
 		}
 	}
-	
 	return len;
 }
 
 // mifare classic commands
-int mifare_classic_auth(struct Crypto1State *pcs, uint32_t uid, uint8_t blockNo, uint8_t keyType, uint64_t ui64Key, uint8_t isNested) 
-{
+int mifare_classic_auth(struct Crypto1State *pcs, uint32_t uid, uint8_t blockNo, uint8_t keyType, uint64_t ui64Key, uint8_t isNested) {
 	return mifare_classic_authex(pcs, uid, blockNo, keyType, ui64Key, isNested, NULL, NULL);
 }
 
-int mifare_classic_authex(struct Crypto1State *pcs, uint32_t uid, uint8_t blockNo, uint8_t keyType, uint64_t ui64Key, uint8_t isNested, uint32_t *ntptr, uint32_t *timing) 
-{
-	// variables
+int mifare_classic_authex(struct Crypto1State *pcs, uint32_t uid, uint8_t blockNo, uint8_t keyType, uint64_t ui64Key, uint8_t isNested, uint32_t *ntptr, uint32_t *timing) {
 	int len;	
 	uint32_t pos;
 	uint8_t par[1] = {0x00};
@@ -208,7 +197,7 @@ int mifare_classic_authex(struct Crypto1State *pcs, uint32_t uid, uint8_t blockN
 		if (MF_DBGLEVEL >= 1)	Dbprintf("Authentication failed. Card timeout.");
 		return 2;
 	}
-	
+
 	ntpp = prng_successor(nt, 32) ^ crypto1_word(pcs, 0,0);
 
 	if (ntpp != bytes_to_num(receivedAnswer, 4)) {
@@ -218,17 +207,14 @@ int mifare_classic_authex(struct Crypto1State *pcs, uint32_t uid, uint8_t blockN
 	return 0;
 }
 
-int mifare_classic_readblock(struct Crypto1State *pcs, uint32_t uid, uint8_t blockNo, uint8_t *blockData) 
-{
-	// variables
+int mifare_classic_readblock(struct Crypto1State *pcs, uint32_t uid, uint8_t blockNo, uint8_t *blockData) {
+
 	int len;	
-	uint8_t	bt[2] = {0x00};
-	
+	uint8_t	bt[2] = {0x00, 0x00};	
 	uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE] = {0x00};
 	uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE] = {0x00};
 	
-	// command MIFARE_CLASSIC_READBLOCK
-	len = mifare_sendcmd_short(pcs, 1, 0x30, blockNo, receivedAnswer, receivedAnswerPar, NULL);
+	len = mifare_sendcmd_short(pcs, 1, ISO14443A_CMD_READBLOCK, blockNo, receivedAnswer, receivedAnswerPar, NULL);
 	if (len == 1) {
 		if (MF_DBGLEVEL >= 1)	Dbprintf("Cmd Error: %02x", receivedAnswer[0]);  
 		return 1;
@@ -252,10 +238,10 @@ int mifare_classic_readblock(struct Crypto1State *pcs, uint32_t uid, uint8_t blo
 // mifare ultralight commands
 int mifare_ul_ev1_auth(uint8_t *keybytes, uint8_t *pack){
 
-	uint16_t len;
-	uint8_t resp[4] = {0x00};
+	uint16_t len = 0;
+	uint8_t resp[4] = {0x00, 0x00, 0x00, 0x00};
 	uint8_t respPar[1] = {0x00};
-	uint8_t key[4] = {0x00};
+	uint8_t key[4] = {0x00, 0x00, 0x00, 0x00};
 	memcpy(key, keybytes, 4);
 
 	if (MF_DBGLEVEL >= MF_DBG_EXTENDED)
@@ -278,7 +264,6 @@ int mifare_ul_ev1_auth(uint8_t *keybytes, uint8_t *pack){
 int mifare_ultra_auth(uint8_t *keybytes){
 
 	/// 3des2k
-
 	uint8_t random_a[8] = {1,1,1,1,1,1,1,1};
 	uint8_t random_b[8] = {0x00};
 	uint8_t enc_random_b[8] = {0x00};
@@ -287,7 +272,7 @@ int mifare_ultra_auth(uint8_t *keybytes){
 	uint8_t key[16] = {0x00};
 	memcpy(key, keybytes, 16);
 
-	uint16_t len;
+	uint16_t len = 0;
 	uint8_t resp[19] = {0x00};
 	uint8_t respPar[3] = {0,0,0};
 
@@ -323,7 +308,7 @@ int mifare_ultra_auth(uint8_t *keybytes){
 
 	// encrypt    out, in, length, key, iv
 	tdes_2key_enc(rnd_ab, rnd_ab, sizeof(rnd_ab), key, enc_random_b);
-	//len = mifare_sendcmd_short_mfucauth(NULL, 1, 0xAF, rnd_ab, resp, respPar, NULL);
+
 	len = mifare_sendcmd(0xAF, rnd_ab, sizeof(rnd_ab), resp, respPar, NULL);
 	if (len != 11) {
 		if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd Error: %02x", resp[0]);
@@ -361,10 +346,9 @@ int mifare_ultra_auth(uint8_t *keybytes){
 	return 1;
 }
 
-int mifare_ultra_readblock(uint8_t blockNo, uint8_t *blockData)
-{
-	uint16_t len;
-	uint8_t	bt[2] = {0x00};
+int mifare_ultra_readblock(uint8_t blockNo, uint8_t *blockData) {
+	uint16_t len = 0;
+	uint8_t	bt[2] = {0x00, 0x00};
 	uint8_t receivedAnswer[MAX_FRAME_SIZE] = {0x00};
 	uint8_t receivedAnswerPar[MAX_PARITY_SIZE] = {0x00};
 	
@@ -389,12 +373,11 @@ int mifare_ultra_readblock(uint8_t blockNo, uint8_t *blockData)
 	return 0;
 }
 
-int mifare_classic_writeblock(struct Crypto1State *pcs, uint32_t uid, uint8_t blockNo, uint8_t *blockData) 
-{
+int mifare_classic_writeblock(struct Crypto1State *pcs, uint32_t uid, uint8_t blockNo, uint8_t *blockData) {
 	// variables
-	uint16_t len;	
+	uint16_t len = 0;	
 	uint32_t pos = 0;
-	uint8_t par[3] = {0x00};		// enough for 18 Bytes to send
+	uint8_t par[3] = {0x00, 0x00, 0x00}; // enough for 18 Bytes to send
 	byte_t res = 0;
 	
 	uint8_t d_block[18], d_block_enc[18];
@@ -433,13 +416,11 @@ int mifare_classic_writeblock(struct Crypto1State *pcs, uint32_t uid, uint8_t bl
 		if (MF_DBGLEVEL >= 1)	Dbprintf("Cmd send data2 Error: %02x", res);  
 		return 2;
 	}
-	
 	return 0;
 }
 
 /* // command not needed, but left for future testing
-int mifare_ultra_writeblock_compat(uint8_t blockNo, uint8_t *blockData) 
-{
+int mifare_ultra_writeblock_compat(uint8_t blockNo, uint8_t *blockData) {
 	uint16_t len;
     uint8_t par[3] = {0};  // enough for 18 parity bits
 	uint8_t d_block[18] = {0x00};
@@ -470,19 +451,16 @@ int mifare_ultra_writeblock_compat(uint8_t blockNo, uint8_t *blockData)
 }
 */
 
-int mifare_ultra_writeblock(uint8_t blockNo, uint8_t *blockData)
-{
-    uint16_t len;
-	uint8_t d_block[5] = {0x00};
+int mifare_ultra_writeblock(uint8_t blockNo, uint8_t *blockData) {
+    uint16_t len = 0;
+	uint8_t block[5] = {blockNo, 0x00, 0x00, 0x00, 0x00 };
 	uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE] = {0x00};
 	uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE] = {0x00};
 
     // command MIFARE_CLASSIC_WRITEBLOCK
-	d_block[0]= blockNo;
-	memcpy(d_block+1,blockData,4);
-	//AppendCrc14443a(d_block, 6);
+	memcpy(block+1, blockData, 4);
 
-	len = mifare_sendcmd(0xA2, d_block, sizeof(d_block), receivedAnswer, receivedAnswerPar, NULL);
+	len = mifare_sendcmd( MIFARE_ULC_WRITE, block, sizeof(block), receivedAnswer, receivedAnswerPar, NULL);
 
     if (receivedAnswer[0] != 0x0A) {   //  0x0a - ACK
 		if (MF_DBGLEVEL >= MF_DBG_ERROR)
@@ -492,11 +470,9 @@ int mifare_ultra_writeblock(uint8_t blockNo, uint8_t *blockData)
     return 0;
 }
 int mifare_classic_halt_ex(struct Crypto1State *pcs) {
-	uint16_t len;	
-	uint8_t receivedAnswer[4] = {0x00};
-	uint8_t receivedAnswerPar[4] = {0x00};
-
-	len = mifare_sendcmd_short(pcs, pcs == NULL ? false:true, 0x50, 0x00, receivedAnswer, receivedAnswerPar, NULL);
+	uint16_t len = 0;	
+	uint8_t receivedAnswer[4] = {0x00, 0x00, 0x00, 0x00};
+	len = mifare_sendcmd_short(pcs, (pcs == NULL) ? CRYPT_NONE : CRYPT_ALL, 0x50, 0x00, receivedAnswer, NULL, NULL);
 	if (len != 0) {
 		if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("halt error. response len: %x", len);  
 		return 1;
@@ -507,16 +483,12 @@ int mifare_classic_halt(struct Crypto1State *pcs, uint32_t uid) {
 	return mifare_classic_halt_ex(pcs);
 }
 
-int mifare_ultra_halt()
-{
-	uint16_t len;
-	uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE] = {0x00};
-	uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE] = {0x00};
-    
-	len = mifare_sendcmd_short(NULL, true, 0x50, 0x00, receivedAnswer, receivedAnswerPar, NULL);
+int mifare_ultra_halt() {
+	uint16_t len = 0;
+	uint8_t receivedAnswer[4] = {0x00, 0x00, 0x00, 0x00};
+ 	len = mifare_sendcmd_short(NULL, CRYPT_NONE, 0x50, 0x00, receivedAnswer, NULL, NULL);
 	if (len != 0) {
-		if (MF_DBGLEVEL >= MF_DBG_ERROR)
-			Dbprintf("halt error. response len: %x", len);
+		if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("halt error. response len: %x", len);
 		return 1;
 	}
 	return 0;
@@ -525,15 +497,11 @@ int mifare_ultra_halt()
 
 // Mifare Memory Structure: up to 32 Sectors with 4 blocks each (1k and 2k cards),
 // plus evtl. 8 sectors with 16 blocks each (4k cards)
-uint8_t NumBlocksPerSector(uint8_t sectorNo) 
-{
-	if (sectorNo < 32) 
-		return 4;
-	return 16;
+uint8_t NumBlocksPerSector(uint8_t sectorNo) {
+	return (sectorNo < 32) ? 4 : 16;
 }
 
-uint8_t FirstBlockOfSector(uint8_t sectorNo) 
-{
+uint8_t FirstBlockOfSector(uint8_t sectorNo) {
 	if (sectorNo < 32)
 		return sectorNo * 4;
 	else
@@ -635,9 +603,7 @@ void emlClearMem(void) {
 // Mifare desfire commands
 int mifare_sendcmd_special(struct Crypto1State *pcs, uint8_t crypted, uint8_t cmd, uint8_t* data, uint8_t* answer, uint8_t *answer_parity, uint32_t *timing)
 {
-    uint8_t dcmd[5] = {0x00};
-    dcmd[0] = cmd;
-    memcpy(dcmd+1,data,2);
+    uint8_t dcmd[5] = {cmd, data[0], data[1], 0x00, 0x00};
 	AppendCrc14443a(dcmd, 3);
 	
 	ReaderTransmit(dcmd, sizeof(dcmd), NULL);
diff --git a/armsrc/util.c b/armsrc/util.c
index 4e74b88d..2ad3570c 100644
--- a/armsrc/util.c
+++ b/armsrc/util.c
@@ -57,8 +57,7 @@ void num_to_bytes(uint64_t n, size_t len, uint8_t* dest)
 uint64_t bytes_to_num(uint8_t* src, size_t len)
 {
 	uint64_t num = 0;
-	while (len--)
-	{
+	while (len--) {
 		num = (num << 8) | (*src);
 		src++;
 	}