Change the NSS and NSPR source tree to the new directory structure to be

mozilla/security/nss/lib/freebl/arcfour.c

Index: mozilla/security/nss/lib/freebl/arcfour.c
===================================================================
--- mozilla/security/nss/lib/freebl/arcfour.c	(revision 191424)
+++ mozilla/security/nss/lib/freebl/arcfour.c	(working copy)
@@ -1,573 +0,0 @@
-/* arcfour.c - the arc four algorithm.
- *
- * This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-#ifdef FREEBL_NO_DEPEND
-#include "stubs.h"
-#endif
-
-#include "prerr.h"
-#include "secerr.h"
-
-#include "prtypes.h"
-#include "blapi.h"
-
-/* Architecture-dependent defines */
-
-#if defined(SOLARIS) || defined(HPUX) || defined(NSS_X86) || \
-    defined(_WIN64)
-/* Convert the byte-stream to a word-stream */
-#define CONVERT_TO_WORDS
-#endif
-
-#if defined(AIX) || defined(OSF1) || defined(NSS_BEVAND_ARCFOUR)
-/* Treat array variables as words, not bytes, on CPUs that take 
- * much longer to write bytes than to write words, or when using 
- * assembler code that required it.
- */
-#define USE_WORD
-#endif
-
-#if (defined(IS_64))
-typedef PRUint64 WORD;
-#else
-typedef PRUint32 WORD;
-#endif
-#define WORDSIZE sizeof(WORD)
-
-#if defined(USE_WORD)
-typedef WORD Stype;
-#else
-typedef PRUint8 Stype;
-#endif
-
-#define ARCFOUR_STATE_SIZE 256
-
-#define MASK1BYTE (WORD)(0xff)
-
-#define SWAP(a, b) \
-	tmp = a; \
-	a = b; \
-	b = tmp;
-
-/*
- * State information for stream cipher.
- */
-struct RC4ContextStr
-{
-#if defined(NSS_ARCFOUR_IJ_B4_S) || defined(NSS_BEVAND_ARCFOUR)
-	Stype i;
-	Stype j;
-	Stype S[ARCFOUR_STATE_SIZE];
-#else
-	Stype S[ARCFOUR_STATE_SIZE];
-	Stype i;
-	Stype j;
-#endif
-};
-
-/*
- * array indices [0..255] to initialize cx->S array (faster than loop).
- */
-static const Stype Kinit[256] = {
-	0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
-	0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
-	0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
-	0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
-	0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,
-	0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,
-	0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,
-	0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,
-	0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
-	0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f,
-	0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57,
-	0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f,
-	0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
-	0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f,
-	0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77,
-	0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f,
-	0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
-	0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,
-	0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97,
-	0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f,
-	0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7,
-	0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf,
-	0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7,
-	0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf,
-	0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7,
-	0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf,
-	0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7,
-	0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf,
-	0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7,
-	0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef,
-	0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7,
-	0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff
-};
-
-RC4Context *
-RC4_AllocateContext(void)
-{
-    return PORT_ZNew(RC4Context);
-}
-
-SECStatus   
-RC4_InitContext(RC4Context *cx, const unsigned char *key, unsigned int len,
-	        const unsigned char * unused1, int unused2, 
-		unsigned int unused3, unsigned int unused4)
-{
-	unsigned int i;
-	PRUint8 j, tmp;
-	PRUint8 K[256];
-	PRUint8 *L;
-
-	/* verify the key length. */
-	PORT_Assert(len > 0 && len < ARCFOUR_STATE_SIZE);
-	if (len == 0 || len >= ARCFOUR_STATE_SIZE) {
-		PORT_SetError(SEC_ERROR_BAD_KEY);
-		return SECFailure;
-	}
-	if (cx == NULL) {
-	    PORT_SetError(SEC_ERROR_INVALID_ARGS);
-	    return SECFailure;
-	}
-	/* Initialize the state using array indices. */
-	memcpy(cx->S, Kinit, sizeof cx->S);
-	/* Fill in K repeatedly with values from key. */
-	L = K;
-	for (i = sizeof K; i > len; i-= len) {
-		memcpy(L, key, len);
-		L += len;
-	}
-	memcpy(L, key, i);
-	/* Stir the state of the generator.  At this point it is assumed
-	 * that the key is the size of the state buffer.  If this is not
-	 * the case, the key bytes are repeated to fill the buffer.
-	 */
-	j = 0;
-#define ARCFOUR_STATE_STIR(ii) \
-	j = j + cx->S[ii] + K[ii]; \
-	SWAP(cx->S[ii], cx->S[j]);
-	for (i=0; i<ARCFOUR_STATE_SIZE; i++) {
-		ARCFOUR_STATE_STIR(i);
-	}
-	cx->i = 0;
-	cx->j = 0;
-	return SECSuccess;
-}
-
-
-/*
- * Initialize a new generator.
- */
-RC4Context *
-RC4_CreateContext(const unsigned char *key, int len)
-{
-    RC4Context *cx = RC4_AllocateContext();
-    if (cx) {
-	SECStatus rv = RC4_InitContext(cx, key, len, NULL, 0, 0, 0);
-	if (rv != SECSuccess) {
-	    PORT_ZFree(cx, sizeof(*cx));
-	    cx = NULL;
-	}
-    }
-    return cx;
-}
-
-void 
-RC4_DestroyContext(RC4Context *cx, PRBool freeit)
-{
-	if (freeit)
-		PORT_ZFree(cx, sizeof(*cx));
-}
-
-#if defined(NSS_BEVAND_ARCFOUR)
-extern void ARCFOUR(RC4Context *cx, WORD inputLen, 
-	const unsigned char *input, unsigned char *output);
-#else
-/*
- * Generate the next byte in the stream.
- */
-#define ARCFOUR_NEXT_BYTE() \
-	tmpSi = cx->S[++tmpi]; \
-	tmpj += tmpSi; \
-	tmpSj = cx->S[tmpj]; \
-	cx->S[tmpi] = tmpSj; \
-	cx->S[tmpj] = tmpSi; \
-	t = tmpSi + tmpSj;
-
-#ifdef CONVERT_TO_WORDS
-/*
- * Straight ARCFOUR op.  No optimization.
- */
-static SECStatus 
-rc4_no_opt(RC4Context *cx, unsigned char *output,
-           unsigned int *outputLen, unsigned int maxOutputLen,
-           const unsigned char *input, unsigned int inputLen)
-{
-    PRUint8 t;
-	Stype tmpSi, tmpSj;
-	register PRUint8 tmpi = cx->i;
-	register PRUint8 tmpj = cx->j;
-	unsigned int index;
-	PORT_Assert(maxOutputLen >= inputLen);
-	if (maxOutputLen < inputLen) {
-		PORT_SetError(SEC_ERROR_OUTPUT_LEN);
-		return SECFailure;
-	}
-	for (index=0; index < inputLen; index++) {
-		/* Generate next byte from stream. */
-		ARCFOUR_NEXT_BYTE();
-		/* output = next stream byte XOR next input byte */
-		output[index] = cx->S[t] ^ input[index];
-	}
-	*outputLen = inputLen;
-	cx->i = tmpi;
-	cx->j = tmpj;
-	return SECSuccess;
-}
-
-#else
-/* !CONVERT_TO_WORDS */
-
-/*
- * Byte-at-a-time ARCFOUR, unrolling the loop into 8 pieces.
- */
-static SECStatus 
-rc4_unrolled(RC4Context *cx, unsigned char *output,
-             unsigned int *outputLen, unsigned int maxOutputLen,
-             const unsigned char *input, unsigned int inputLen)
-{
-	PRUint8 t;
-	Stype tmpSi, tmpSj;
-	register PRUint8 tmpi = cx->i;
-	register PRUint8 tmpj = cx->j;
-	int index;
-	PORT_Assert(maxOutputLen >= inputLen);
-	if (maxOutputLen < inputLen) {
-		PORT_SetError(SEC_ERROR_OUTPUT_LEN);
-		return SECFailure;
-	}
-	for (index = inputLen / 8; index-- > 0; input += 8, output += 8) {
-		ARCFOUR_NEXT_BYTE();
-		output[0] = cx->S[t] ^ input[0];
-		ARCFOUR_NEXT_BYTE();
-		output[1] = cx->S[t] ^ input[1];
-		ARCFOUR_NEXT_BYTE();
-		output[2] = cx->S[t] ^ input[2];
-		ARCFOUR_NEXT_BYTE();
-		output[3] = cx->S[t] ^ input[3];
-		ARCFOUR_NEXT_BYTE();
-		output[4] = cx->S[t] ^ input[4];
-		ARCFOUR_NEXT_BYTE();
-		output[5] = cx->S[t] ^ input[5];
-		ARCFOUR_NEXT_BYTE();
-		output[6] = cx->S[t] ^ input[6];
-		ARCFOUR_NEXT_BYTE();
-		output[7] = cx->S[t] ^ input[7];
-	}
-	index = inputLen % 8;
-	if (index) {
-		input += index;
-		output += index;
-		switch (index) {
-		case 7:
-			ARCFOUR_NEXT_BYTE();
-			output[-7] = cx->S[t] ^ input[-7]; /* FALLTHRU */
-		case 6:
-			ARCFOUR_NEXT_BYTE();
-			output[-6] = cx->S[t] ^ input[-6]; /* FALLTHRU */
-		case 5:
-			ARCFOUR_NEXT_BYTE();
-			output[-5] = cx->S[t] ^ input[-5]; /* FALLTHRU */
-		case 4:
-			ARCFOUR_NEXT_BYTE();
-			output[-4] = cx->S[t] ^ input[-4]; /* FALLTHRU */
-		case 3:
-			ARCFOUR_NEXT_BYTE();
-			output[-3] = cx->S[t] ^ input[-3]; /* FALLTHRU */
-		case 2:
-			ARCFOUR_NEXT_BYTE();
-			output[-2] = cx->S[t] ^ input[-2]; /* FALLTHRU */
-		case 1:
-			ARCFOUR_NEXT_BYTE();
-			output[-1] = cx->S[t] ^ input[-1]; /* FALLTHRU */
-		default:
-			/* FALLTHRU */
-			; /* hp-ux build breaks without this */
-		}
-	}
-	cx->i = tmpi;
-	cx->j = tmpj;
-	*outputLen = inputLen;
-	return SECSuccess;
-}
-#endif
-
-#ifdef IS_LITTLE_ENDIAN
-#define ARCFOUR_NEXT4BYTES_L(n) \
-	ARCFOUR_NEXT_BYTE(); streamWord |= (WORD)cx->S[t] << (n     ); \
-	ARCFOUR_NEXT_BYTE(); streamWord |= (WORD)cx->S[t] << (n +  8); \
-	ARCFOUR_NEXT_BYTE(); streamWord |= (WORD)cx->S[t] << (n + 16); \
-	ARCFOUR_NEXT_BYTE(); streamWord |= (WORD)cx->S[t] << (n + 24);
-#else
-#define ARCFOUR_NEXT4BYTES_B(n) \
-	ARCFOUR_NEXT_BYTE(); streamWord |= (WORD)cx->S[t] << (n + 24); \
-	ARCFOUR_NEXT_BYTE(); streamWord |= (WORD)cx->S[t] << (n + 16); \
-	ARCFOUR_NEXT_BYTE(); streamWord |= (WORD)cx->S[t] << (n +  8); \
-	ARCFOUR_NEXT_BYTE(); streamWord |= (WORD)cx->S[t] << (n     );
-#endif
-
-#if (defined(IS_64) && !defined(__sparc)) || defined(NSS_USE_64)
-/* 64-bit wordsize */
-#ifdef IS_LITTLE_ENDIAN
-#define ARCFOUR_NEXT_WORD() \
-	{ streamWord = 0; ARCFOUR_NEXT4BYTES_L(0); ARCFOUR_NEXT4BYTES_L(32); }
-#else
-#define ARCFOUR_NEXT_WORD() \
-	{ streamWord = 0; ARCFOUR_NEXT4BYTES_B(32); ARCFOUR_NEXT4BYTES_B(0); }
-#endif
-#else
-/* 32-bit wordsize */
-#ifdef IS_LITTLE_ENDIAN
-#define ARCFOUR_NEXT_WORD() \
-	{ streamWord = 0; ARCFOUR_NEXT4BYTES_L(0); }
-#else
-#define ARCFOUR_NEXT_WORD() \
-	{ streamWord = 0; ARCFOUR_NEXT4BYTES_B(0); }
-#endif
-#endif
-
-#ifdef IS_LITTLE_ENDIAN
-#define RSH <<
-#define LSH >>
-#else
-#define RSH >>
-#define LSH <<
-#endif
-
-#ifdef IS_LITTLE_ENDIAN
-#define LEFTMOST_BYTE_SHIFT 0
-#define NEXT_BYTE_SHIFT(shift) shift + 8
-#else
-#define LEFTMOST_BYTE_SHIFT 8*(WORDSIZE - 1)
-#define NEXT_BYTE_SHIFT(shift) shift - 8
-#endif
-
-#ifdef CONVERT_TO_WORDS
-static SECStatus 
-rc4_wordconv(RC4Context *cx, unsigned char *output,
-             unsigned int *outputLen, unsigned int maxOutputLen,
-             const unsigned char *input, unsigned int inputLen)
-{
-	PR_STATIC_ASSERT(sizeof(PRUword) == sizeof(ptrdiff_t));
-	unsigned int inOffset = (PRUword)input % WORDSIZE;
-	unsigned int outOffset = (PRUword)output % WORDSIZE;
-	register WORD streamWord;
-	register const WORD *pInWord;
-	register WORD *pOutWord;
-	register WORD inWord, nextInWord;
-	PRUint8 t;
-	register Stype tmpSi, tmpSj;
-	register PRUint8 tmpi = cx->i;
-	register PRUint8 tmpj = cx->j;
-	unsigned int byteCount;
-	unsigned int bufShift, invBufShift;
-	unsigned int i;
-	const unsigned char *finalIn;
-	unsigned char *finalOut;
-
-	PORT_Assert(maxOutputLen >= inputLen);
-	if (maxOutputLen < inputLen) {
-		PORT_SetError(SEC_ERROR_OUTPUT_LEN);
-		return SECFailure;
-	}
-	if (inputLen < 2*WORDSIZE) {
-		/* Ignore word conversion, do byte-at-a-time */
-		return rc4_no_opt(cx, output, outputLen, maxOutputLen, input, inputLen);
-	}
-	*outputLen = inputLen;
-	pInWord = (const WORD *)(input - inOffset);
-	pOutWord = (WORD *)(output - outOffset);
-	if (inOffset < outOffset) {
-		bufShift = 8*(outOffset - inOffset);
-		invBufShift = 8*WORDSIZE - bufShift;
-	} else {
-		invBufShift = 8*(inOffset - outOffset);
-		bufShift = 8*WORDSIZE - invBufShift;
-	}
-	/*****************************************************************/
-	/* Step 1:                                                       */
-	/* If the first output word is partial, consume the bytes in the */
-	/* first partial output word by loading one or two words of      */
-	/* input and shifting them accordingly.  Otherwise, just load    */
-	/* in the first word of input.  At the end of this block, at     */
-	/* least one partial word of input should ALWAYS be loaded.      */
-	/*****************************************************************/
-	if (outOffset) {
-		byteCount = WORDSIZE - outOffset; 
-		for (i = 0; i < byteCount; i++) {
-			ARCFOUR_NEXT_BYTE();
-			output[i] = cx->S[t] ^ input[i];
-		}
-		/* Consumed byteCount bytes of input */
-		inputLen -= byteCount;
-		pInWord++;
-
-		/* move to next word of output */
-		pOutWord++;
-
-		/* If buffers are relatively misaligned, shift the bytes in inWord
-		 * to be aligned to the output buffer.
-		 */
-		if (inOffset < outOffset) {
-			/* The first input word (which may be partial) has more bytes
-			 * than needed.  Copy the remainder to inWord.
-			 */
-			unsigned int shift = LEFTMOST_BYTE_SHIFT;
-			inWord = 0;
-			for (i = 0; i < outOffset - inOffset; i++) {
-				inWord |= (WORD)input[byteCount + i] << shift;
-				shift = NEXT_BYTE_SHIFT(shift);
-			}
-		} else if (inOffset > outOffset) {
-			/* Consumed some bytes in the second input word.  Copy the
-			 * remainder to inWord.
-			 */
-			inWord = *pInWord++;
-			inWord = inWord LSH invBufShift;
-		} else {
-			inWord = 0;
-		}
-	} else {
-		/* output is word-aligned */
-		if (inOffset) {
-			/* Input is not word-aligned.  The first word load of input 
-			 * will not produce a full word of input bytes, so one word
-			 * must be pre-loaded.  The main loop below will load in the
-			 * next input word and shift some of its bytes into inWord
-			 * in order to create a full input word.  Note that the main
-			 * loop must execute at least once because the input must
-			 * be at least two words.
-			 */
-			unsigned int shift = LEFTMOST_BYTE_SHIFT;
-			inWord = 0;
-			for (i = 0; i < WORDSIZE - inOffset; i++) {
-				inWord |= (WORD)input[i] << shift;
-				shift = NEXT_BYTE_SHIFT(shift);
-			}
-			pInWord++;
-		} else {
-			/* Input is word-aligned.  The first word load of input 
-			 * will produce a full word of input bytes, so nothing
-			 * needs to be loaded here.
-			 */
-			inWord = 0;
-		}
-	}
-	/* Output buffer is aligned, inOffset is now measured relative to
-	 * outOffset (and not a word boundary).
-	 */
-	inOffset = (inOffset + WORDSIZE - outOffset) % WORDSIZE;
-	/*****************************************************************/
-	/* Step 2: main loop                                             */
-	/* At this point the output buffer is word-aligned.  Any unused  */
-	/* bytes from above will be in inWord (shifted correctly).  If   */
-	/* the input buffer is unaligned relative to the output buffer,  */
-	/* shifting has to be done.                                      */
-	/*****************************************************************/
-	if (inOffset) {
-		for (; inputLen >= WORDSIZE; inputLen -= WORDSIZE) {
-			nextInWord = *pInWord++;
-			inWord |= nextInWord RSH bufShift;
-			nextInWord = nextInWord LSH invBufShift;
-			ARCFOUR_NEXT_WORD();
-			*pOutWord++ = inWord ^ streamWord;
-			inWord = nextInWord;
-		}
-		if (inputLen == 0) {
-			/* Nothing left to do. */
-			cx->i = tmpi;
-			cx->j = tmpj;
-			return SECSuccess;
-		}
-		finalIn = (const unsigned char *)pInWord - WORDSIZE + inOffset;
-	} else {
-		for (; inputLen >= WORDSIZE; inputLen -= WORDSIZE) {
-			inWord = *pInWord++;
-			ARCFOUR_NEXT_WORD();
-			*pOutWord++ = inWord ^ streamWord;
-		}
-		if (inputLen == 0) {
-			/* Nothing left to do. */
-			cx->i = tmpi;
-			cx->j = tmpj;
-			return SECSuccess;
-		}
-		finalIn = (const unsigned char *)pInWord;
-	}
-	/*****************************************************************/
-	/* Step 3:                                                       */
-	/* Do the remaining partial word of input one byte at a time.    */
-	/*****************************************************************/
-	finalOut = (unsigned char *)pOutWord;
-	for (i = 0; i < inputLen; i++) {
-		ARCFOUR_NEXT_BYTE();
-		finalOut[i] = cx->S[t] ^ finalIn[i];
-	}
-	cx->i = tmpi;
-	cx->j = tmpj;
-	return SECSuccess;
-}
-#endif
-#endif /* NSS_BEVAND_ARCFOUR */
-
-SECStatus 
-RC4_Encrypt(RC4Context *cx, unsigned char *output,
-            unsigned int *outputLen, unsigned int maxOutputLen,
-            const unsigned char *input, unsigned int inputLen)
-{
-	PORT_Assert(maxOutputLen >= inputLen);
-	if (maxOutputLen < inputLen) {
-		PORT_SetError(SEC_ERROR_OUTPUT_LEN);
-		return SECFailure;
-	}
-#if defined(NSS_BEVAND_ARCFOUR)
-	ARCFOUR(cx, inputLen, input, output);
-        *outputLen = inputLen;
-	return SECSuccess;
-#elif defined( CONVERT_TO_WORDS )
-	/* Convert the byte-stream to a word-stream */
-	return rc4_wordconv(cx, output, outputLen, maxOutputLen, input, inputLen);
-#else
-	/* Operate on bytes, but unroll the main loop */
-	return rc4_unrolled(cx, output, outputLen, maxOutputLen, input, inputLen);
-#endif
-}
-
-SECStatus RC4_Decrypt(RC4Context *cx, unsigned char *output,
-                      unsigned int *outputLen, unsigned int maxOutputLen,
-                      const unsigned char *input, unsigned int inputLen)
-{
-	PORT_Assert(maxOutputLen >= inputLen);
-	if (maxOutputLen < inputLen) {
-		PORT_SetError(SEC_ERROR_OUTPUT_LEN);
-		return SECFailure;
-	}
-	/* decrypt and encrypt are same operation. */
-#if defined(NSS_BEVAND_ARCFOUR)
-	ARCFOUR(cx, inputLen, input, output);
-        *outputLen = inputLen;
-	return SECSuccess;
-#elif defined( CONVERT_TO_WORDS )
-	/* Convert the byte-stream to a word-stream */
-	return rc4_wordconv(cx, output, outputLen, maxOutputLen, input, inputLen);
-#else
-	/* Operate on bytes, but unroll the main loop */
-	return rc4_unrolled(cx, output, outputLen, maxOutputLen, input, inputLen);
-#endif
-}
-
-#undef CONVERT_TO_WORDS
-#undef USE_WORD