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-rw-r--r--intl/uconv/util/uscan.c759
1 files changed, 759 insertions, 0 deletions
diff --git a/intl/uconv/util/uscan.c b/intl/uconv/util/uscan.c
new file mode 100644
index 000000000..0abdd0c00
--- /dev/null
+++ b/intl/uconv/util/uscan.c
@@ -0,0 +1,759 @@
+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 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/. */
+#include "unicpriv.h"
+#define CHK_GR94(b) ( (uint8_t) 0xa0 < (uint8_t) (b) && (uint8_t) (b) < (uint8_t) 0xff )
+#define CHK_GR94_2Byte(b1,b2) (CHK_GR94(b1) && CHK_GR94(b2))
+/*=================================================================================
+
+=================================================================================*/
+typedef int (*uSubScannerFunc) (unsigned char* in, uint16_t* out);
+/*=================================================================================
+
+=================================================================================*/
+
+typedef int (*uScannerFunc) (
+ int32_t* state,
+ unsigned char *in,
+ uint16_t *out,
+ uint32_t inbuflen,
+ uint32_t* inscanlen
+ );
+
+int uScan(
+ uScanClassID scanClass,
+ int32_t* state,
+ unsigned char *in,
+ uint16_t *out,
+ uint32_t inbuflen,
+ uint32_t* inscanlen
+ );
+
+#define uSubScanner(sub,in,out) (* m_subscanner[sub])((in),(out))
+
+int uCheckAndScanAlways1Byte(
+ int32_t* state,
+ unsigned char *in,
+ uint16_t *out,
+ uint32_t inbuflen,
+ uint32_t* inscanlen
+ );
+int uCheckAndScanAlways2Byte(
+ int32_t* state,
+ unsigned char *in,
+ uint16_t *out,
+ uint32_t inbuflen,
+ uint32_t* inscanlen
+ );
+int uCheckAndScanAlways2ByteShiftGR(
+ int32_t* state,
+ unsigned char *in,
+ uint16_t *out,
+ uint32_t inbuflen,
+ uint32_t* inscanlen
+ );
+int uCheckAndScanAlways2ByteGR128(
+ int32_t* state,
+ unsigned char *in,
+ uint16_t *out,
+ uint32_t inbuflen,
+ uint32_t* inscanlen
+ );
+int uScanShift(
+ uShiftInTable *shift,
+ int32_t* state,
+ unsigned char *in,
+ uint16_t *out,
+ uint32_t inbuflen,
+ uint32_t* inscanlen
+ );
+
+int uCheckAndScan2ByteGRPrefix8F(
+ int32_t* state,
+ unsigned char *in,
+ uint16_t *out,
+ uint32_t inbuflen,
+ uint32_t* inscanlen
+ );
+int uCheckAndScan2ByteGRPrefix8EA2(
+ int32_t* state,
+ unsigned char *in,
+ uint16_t *out,
+ uint32_t inbuflen,
+ uint32_t* inscanlen
+ );
+int uCheckAndScan2ByteGRPrefix8EA3(
+ int32_t* state,
+ unsigned char *in,
+ uint16_t *out,
+ uint32_t inbuflen,
+ uint32_t* inscanlen
+ );
+int uCheckAndScan2ByteGRPrefix8EA4(
+ int32_t* state,
+ unsigned char *in,
+ uint16_t *out,
+ uint32_t inbuflen,
+ uint32_t* inscanlen
+ );
+int uCheckAndScan2ByteGRPrefix8EA5(
+ int32_t* state,
+ unsigned char *in,
+ uint16_t *out,
+ uint32_t inbuflen,
+ uint32_t* inscanlen
+ );
+int uCheckAndScan2ByteGRPrefix8EA6(
+ int32_t* state,
+ unsigned char *in,
+ uint16_t *out,
+ uint32_t inbuflen,
+ uint32_t* inscanlen
+ );
+int uCheckAndScan2ByteGRPrefix8EA7(
+ int32_t* state,
+ unsigned char *in,
+ uint16_t *out,
+ uint32_t inbuflen,
+ uint32_t* inscanlen
+ );
+int uCnSAlways8BytesDecomposedHangul(
+ int32_t* state,
+ unsigned char *in,
+ uint16_t *out,
+ uint32_t inbuflen,
+ uint32_t* inscanlen
+ );
+int uCheckAndScanJohabHangul(
+ int32_t* state,
+ unsigned char *in,
+ uint16_t *out,
+ uint32_t inbuflen,
+ uint32_t* inscanlen
+ );
+int uCheckAndScanJohabSymbol(
+ int32_t* state,
+ unsigned char *in,
+ uint16_t *out,
+ uint32_t inbuflen,
+ uint32_t* inscanlen
+ );
+
+int uCheckAndScan4BytesGB18030(
+ int32_t* state,
+ unsigned char *in,
+ uint16_t *out,
+ uint32_t inbuflen,
+ uint32_t* inscanlen
+ );
+
+int uScanAlways2Byte(
+ unsigned char* in,
+ uint16_t* out
+ );
+int uScanAlways2ByteShiftGR(
+ unsigned char* in,
+ uint16_t* out
+ );
+int uScanAlways1Byte(
+ unsigned char* in,
+ uint16_t* out
+ );
+int uScanAlways1BytePrefix8E(
+ unsigned char* in,
+ uint16_t* out
+ );
+/*=================================================================================
+
+=================================================================================*/
+const uScannerFunc m_scanner[uNumOfCharsetType] =
+{
+ uCheckAndScanAlways1Byte,
+ uCheckAndScanAlways2Byte,
+ uCheckAndScanAlways2ByteShiftGR,
+ uCheckAndScan2ByteGRPrefix8F,
+ uCheckAndScan2ByteGRPrefix8EA2,
+ uCheckAndScan2ByteGRPrefix8EA3,
+ uCheckAndScan2ByteGRPrefix8EA4,
+ uCheckAndScan2ByteGRPrefix8EA5,
+ uCheckAndScan2ByteGRPrefix8EA6,
+ uCheckAndScan2ByteGRPrefix8EA7,
+ uCnSAlways8BytesDecomposedHangul,
+ uCheckAndScanJohabHangul,
+ uCheckAndScanJohabSymbol,
+ uCheckAndScan4BytesGB18030,
+ uCheckAndScanAlways2ByteGR128
+};
+
+/*=================================================================================
+
+=================================================================================*/
+
+const uSubScannerFunc m_subscanner[uNumOfCharType] =
+{
+ uScanAlways1Byte,
+ uScanAlways2Byte,
+ uScanAlways2ByteShiftGR,
+ uScanAlways1BytePrefix8E
+};
+/*=================================================================================
+
+=================================================================================*/
+int uScan(
+ uScanClassID scanClass,
+ int32_t* state,
+ unsigned char *in,
+ uint16_t *out,
+ uint32_t inbuflen,
+ uint32_t* inscanlen
+ )
+{
+ return (* m_scanner[scanClass]) (state,in,out,inbuflen,inscanlen);
+}
+/*=================================================================================
+
+=================================================================================*/
+int uScanAlways1Byte(
+ unsigned char* in,
+ uint16_t* out
+ )
+{
+ *out = (uint16_t) in[0];
+ return 1;
+}
+
+/*=================================================================================
+
+=================================================================================*/
+int uScanAlways2Byte(
+ unsigned char* in,
+ uint16_t* out
+ )
+{
+ *out = (uint16_t) (( in[0] << 8) | (in[1]));
+ return 1;
+}
+/*=================================================================================
+
+=================================================================================*/
+int uScanAlways2ByteShiftGR(
+ unsigned char* in,
+ uint16_t* out
+ )
+{
+ *out = (uint16_t) ((( in[0] << 8) | (in[1])) & 0x7F7F);
+ return 1;
+}
+
+/*=================================================================================
+
+=================================================================================*/
+int uScanAlways1BytePrefix8E(
+ unsigned char* in,
+ uint16_t* out
+ )
+{
+ *out = (uint16_t) in[1];
+ return 1;
+}
+/*=================================================================================
+
+=================================================================================*/
+int uCheckAndScanAlways1Byte(
+ int32_t* state,
+ unsigned char *in,
+ uint16_t *out,
+ uint32_t inbuflen,
+ uint32_t* inscanlen
+ )
+{
+ /* Don't check inlen. The caller should ensure it is larger than 0 */
+ *inscanlen = 1;
+ *out = (uint16_t) in[0];
+
+ return 1;
+}
+
+/*=================================================================================
+
+=================================================================================*/
+int uCheckAndScanAlways2Byte(
+ int32_t* state,
+ unsigned char *in,
+ uint16_t *out,
+ uint32_t inbuflen,
+ uint32_t* inscanlen
+ )
+{
+ if(inbuflen < 2)
+ return 0;
+ else
+ {
+ *inscanlen = 2;
+ *out = ((in[0] << 8) | ( in[1])) ;
+ return 1;
+ }
+}
+/*=================================================================================
+
+=================================================================================*/
+int uCheckAndScanAlways2ByteShiftGR(
+ int32_t* state,
+ unsigned char *in,
+ uint16_t *out,
+ uint32_t inbuflen,
+ uint32_t* inscanlen
+ )
+{
+ /*
+ * Both bytes should be in the range of [0xa1,0xfe] for 94x94 character sets
+ * invoked on GR. No encoding implemented in Mozilla uses 96x96 char. sets.
+ * Only 2nd byte range needs to be checked because
+ * 1st byte is checked before calling this in nsUnicodeDecoerHelper.cpp
+ */
+ if(inbuflen < 2) /* will lead to NS_OK_UDEC_MOREINPUT */
+ return 0;
+ else if (! CHK_GR94(in[1]))
+ {
+ *inscanlen = 2;
+ *out = 0xFF; /* for 2-byte table, uMap() is guaranteed to fail for 0xFF. */
+ return 1;
+ }
+ else
+ {
+ *inscanlen = 2;
+ *out = (((in[0] << 8) | ( in[1])) & 0x7F7F);
+ return 1;
+ }
+}
+/*=================================================================================
+
+=================================================================================*/
+int uCheckAndScanAlways2ByteGR128(
+ int32_t* state,
+ unsigned char *in,
+ uint16_t *out,
+ uint32_t inbuflen,
+ uint32_t* inscanlen
+ )
+{
+ /*
+ * The first byte should be in [0xa1,0xfe]
+ * and the second byte in [0x41,0xfe]
+ * Used by CP949 -> Unicode converter.
+ * Only 2nd byte range needs to be checked because
+ * 1st byte is checked before calling this in nsUnicodeDecoderHelper.cpp
+ */
+ if(inbuflen < 2) /* will lead to NS_OK_UDEC_MOREINPUT */
+ return 0;
+ else if (in[1] < 0x41) /* 2nd byte range check */
+ {
+ *inscanlen = 2;
+ *out = 0xFF; /* for 2-byte table, uMap() is guaranteed to fail for 0xFF. */
+ return 1;
+ }
+ else
+ {
+ *inscanlen = 2;
+ *out = (in[0] << 8) | in[1];
+ return 1;
+ }
+}
+/*=================================================================================
+
+=================================================================================*/
+int uScanShift(
+ uShiftInTable *shift,
+ int32_t* state,
+ unsigned char *in,
+ uint16_t *out,
+ uint32_t inbuflen,
+ uint32_t* inscanlen
+ )
+{
+ int16_t i;
+ const uShiftInCell* cell = &(shift->shiftcell[0]);
+ int16_t itemnum = shift->numOfItem;
+ for(i=0;i<itemnum;i++)
+ {
+ if( ( in[0] >= cell[i].shiftin_Min) &&
+ ( in[0] <= cell[i].shiftin_Max))
+ {
+ if(inbuflen < cell[i].reserveLen)
+ return 0;
+ else
+ {
+ *inscanlen = cell[i].reserveLen;
+ return (uSubScanner(cell[i].classID,in,out));
+ }
+ }
+ }
+ return 0;
+}
+/*=================================================================================
+
+=================================================================================*/
+int uCheckAndScan2ByteGRPrefix8F(
+ int32_t* state,
+ unsigned char *in,
+ uint16_t *out,
+ uint32_t inbuflen,
+ uint32_t* inscanlen
+ )
+{
+ if((inbuflen < 3) ||(in[0] != 0x8F))
+ return 0;
+ else if (! CHK_GR94(in[1])) /* 2nd byte range check */
+ {
+ *inscanlen = 2;
+ *out = 0xFF; /* for 2-byte table, uMap() is guaranteed to fail for 0xFF. */
+ return 1;
+ }
+ else if (! CHK_GR94(in[2])) /* 3rd byte range check */
+ {
+ *inscanlen = 3;
+ *out = 0xFF; /* for 2-byte table, uMap() is guaranteed to fail for 0xFF. */
+ return 1;
+ }
+ else
+ {
+ *inscanlen = 3;
+ *out = (((in[1] << 8) | ( in[2])) & 0x7F7F);
+ return 1;
+ }
+}
+/*=================================================================================
+
+=================================================================================*/
+
+/* Macro definition to use for uCheckAndScan2ByteGRPrefix8EAX()
+ * where X is 2,3,4,5,6,7
+ */
+#define CNS_8EAX_4BYTE(PREFIX) \
+ if((inbuflen < 4) || (in[0] != 0x8E)) \
+ return 0; \
+ else if((in[1] != (PREFIX))) \
+ { \
+ *inscanlen = 2; \
+ *out = 0xFF; \
+ return 1; \
+ } \
+ else if(! CHK_GR94(in[2])) \
+ { \
+ *inscanlen = 3; \
+ *out = 0xFF; \
+ return 1; \
+ } \
+ else if(! CHK_GR94(in[3])) \
+ { \
+ *inscanlen = 4; \
+ *out = 0xFF; \
+ return 1; \
+ } \
+ else \
+ { \
+ *inscanlen = 4; \
+ *out = (((in[2] << 8) | ( in[3])) & 0x7F7F); \
+ return 1; \
+ }
+
+int uCheckAndScan2ByteGRPrefix8EA2(
+ int32_t* state,
+ unsigned char *in,
+ uint16_t *out,
+ uint32_t inbuflen,
+ uint32_t* inscanlen
+ )
+{
+ CNS_8EAX_4BYTE(0xA2)
+}
+
+/*=================================================================================
+
+=================================================================================*/
+int uCheckAndScan2ByteGRPrefix8EA3(
+ int32_t* state,
+ unsigned char *in,
+ uint16_t *out,
+ uint32_t inbuflen,
+ uint32_t* inscanlen
+ )
+{
+ CNS_8EAX_4BYTE(0xA3)
+}
+/*=================================================================================
+
+=================================================================================*/
+int uCheckAndScan2ByteGRPrefix8EA4(
+ int32_t* state,
+ unsigned char *in,
+ uint16_t *out,
+ uint32_t inbuflen,
+ uint32_t* inscanlen
+ )
+{
+ CNS_8EAX_4BYTE(0xA4)
+}
+/*=================================================================================
+
+=================================================================================*/
+int uCheckAndScan2ByteGRPrefix8EA5(
+ int32_t* state,
+ unsigned char *in,
+ uint16_t *out,
+ uint32_t inbuflen,
+ uint32_t* inscanlen
+ )
+{
+ CNS_8EAX_4BYTE(0xA5)
+}
+/*=================================================================================
+
+=================================================================================*/
+int uCheckAndScan2ByteGRPrefix8EA6(
+ int32_t* state,
+ unsigned char *in,
+ uint16_t *out,
+ uint32_t inbuflen,
+ uint32_t* inscanlen
+ )
+{
+ CNS_8EAX_4BYTE(0xA6)
+}
+/*=================================================================================
+
+=================================================================================*/
+int uCheckAndScan2ByteGRPrefix8EA7(
+ int32_t* state,
+ unsigned char *in,
+ uint16_t *out,
+ uint32_t inbuflen,
+ uint32_t* inscanlen
+ )
+{
+ CNS_8EAX_4BYTE(0xA7)
+}
+/*=================================================================================
+
+=================================================================================*/
+#define SBase 0xAC00
+#define SCount 11172
+#define LCount 19
+#define VCount 21
+#define TCount 28
+#define NCount (VCount * TCount)
+
+int uCnSAlways8BytesDecomposedHangul(
+ int32_t* state,
+ unsigned char *in,
+ uint16_t *out,
+ uint32_t inbuflen,
+ uint32_t* inscanlen
+ )
+{
+
+ uint16_t LIndex, VIndex, TIndex;
+ /* no 8 bytes, not in a4 range, or the first 2 byte are not a4d4 */
+ if((inbuflen < 8) || (0xa4 != in[0]) || (0xd4 != in[1]) ||
+ (0xa4 != in[2] ) || (0xa4 != in[4]) || (0xa4 != in[6]))
+ return 0;
+
+ /* Compute LIndex */
+ if((in[3] < 0xa1) || (in[3] > 0xbe)) { /* illegal leading consonant */
+ return 0;
+ }
+ else {
+ static const uint8_t lMap[] = {
+ /* A1 A2 A3 A4 A5 A6 A7 */
+ 0, 1,0xff, 2,0xff,0xff, 3,
+ /* A8 A9 AA AB AC AD AE AF */
+ 4, 5,0xff,0xff,0xff,0xff,0xff,0xff,
+ /* B0 B1 B2 B3 B4 B5 B6 B7 */
+ 0xff, 6, 7, 8,0xff, 9, 10, 11,
+ /* B8 B9 BA BB BC BD BE */
+ 12, 13, 14, 15, 16, 17, 18
+ };
+
+ LIndex = lMap[in[3] - 0xa1];
+ if(0xff == (0xff & LIndex))
+ return 0;
+ }
+
+ /* Compute VIndex */
+ if((in[5] < 0xbf) || (in[5] > 0xd3)) { /* illegal medial vowel */
+ return 0;
+ }
+ else {
+ VIndex = in[5] - 0xbf;
+ }
+
+ /* Compute TIndex */
+ if(0xd4 == in[7])
+ {
+ TIndex = 0;
+ }
+ else if((in[7] < 0xa1) || (in[7] > 0xbe)) {/* illegal trailing consonant */
+ return 0;
+ }
+ else {
+ static const uint8_t tMap[] = {
+ /* A1 A2 A3 A4 A5 A6 A7 */
+ 1, 2, 3, 4, 5, 6, 7,
+ /* A8 A9 AA AB AC AD AE AF */
+ 0xff, 8, 9, 10, 11, 12, 13, 14,
+ /* B0 B1 B2 B3 B4 B5 B6 B7 */
+ 15, 16, 17,0xff, 18, 19, 20, 21,
+ /* B8 B9 BA BB BC BD BE */
+ 22,0xff, 23, 24, 25, 26, 27
+ };
+ TIndex = tMap[in[7] - 0xa1];
+ if(0xff == (0xff & TIndex))
+ return 0;
+ }
+
+ *inscanlen = 8;
+ /* the following line is from Unicode 2.0 page 3-13 item 5 */
+ *out = ( LIndex * VCount + VIndex) * TCount + TIndex + SBase;
+
+ return 1;
+}
+/*=================================================================================
+
+=================================================================================*/
+
+int uCheckAndScanJohabHangul(
+ int32_t* state,
+ unsigned char *in,
+ uint16_t *out,
+ uint32_t inbuflen,
+ uint32_t* inscanlen
+ )
+{
+/* since we don't have code to convert Johab to Unicode right now *
+ * make this part of code #if 0 to save space until we fully test it */
+ if(inbuflen < 2)
+ return 0;
+ else {
+ /*
+ * See Table 4-45 Johab Encoding's Five-Bit Binary Patterns in page 183
+ * of "CJKV Information Processing" for details
+ */
+ static const uint8_t lMap[32]={ /* totaly 19 */
+ 0xff,0xff,0, 1, 2, 3, 4, 5, /* 0-7 */
+ 6, 7, 8, 9, 10, 11, 12, 13, /* 8-15 */
+ 14, 15, 16, 17, 18, 0xff,0xff,0xff, /* 16-23 */
+ 0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff /* 24-31 */
+ };
+ static const uint8_t vMap[32]={ /* totaly 21 */
+ 0xff,0xff,0xff,0, 1, 2, 3, 4, /* 0-7 */
+ 0xff,0xff,5, 6, 7, 8, 9, 10, /* 8-15 */
+ 0xff,0xff,11, 12, 13, 14, 15, 16, /* 16-23 */
+ 0xff,0xff,17, 18, 19, 20, 0xff,0xff /* 24-31 */
+ };
+ static const uint8_t tMap[32]={ /* totaly 29 */
+ 0xff,0, 1, 2, 3, 4, 5, 6, /* 0-7 */
+ 7, 8, 9, 10, 11, 12, 13, 14, /* 8-15 */
+ 15, 16, 0xff,17, 18, 19, 20, 21, /* 16-23 */
+ 22, 23, 24, 25, 26, 27, 0xff,0xff /* 24-31 */
+ };
+ uint16_t ch = (in[0] << 8) | in[1];
+ uint16_t LIndex, VIndex, TIndex;
+ if(0 == (0x8000 & ch))
+ return 0;
+ LIndex=lMap[(ch>>10)& 0x1F];
+ VIndex=vMap[(ch>>5) & 0x1F];
+ TIndex=tMap[(ch>>0) & 0x1F];
+ if((0xff==(LIndex)) ||
+ (0xff==(VIndex)) ||
+ (0xff==(TIndex)))
+ return 0;
+ /* the following line is from Unicode 2.0 page 3-13 item 5 */
+ *out = ( LIndex * VCount + VIndex) * TCount + TIndex + SBase;
+ *inscanlen = 2;
+ return 1;
+ }
+}
+int uCheckAndScanJohabSymbol(
+ int32_t* state,
+ unsigned char *in,
+ uint16_t *out,
+ uint32_t inbuflen,
+ uint32_t* inscanlen
+ )
+{
+ if(inbuflen < 2)
+ return 0;
+ else {
+ /*
+ * The following code are based on the Perl code lised under
+ * "Johab to ISO-2022-KR or EUC-KR Conversion" in page 1014 of
+ * "CJKV Information Processing" by Ken Lunde <lunde@adobe.com>
+ *
+ * sub johab2ks ($) { # Convert Johab to ISO-2022-KR
+ * my @johab = unpack("C*", $_[0]);
+ * my ($offset, $d8_off) = (0,0);
+ * my @out = ();
+ * while(($hi, $lo) = splice($johab, 0, 2)) {
+ * $offset = 1 if ($hi > 223 and $hi < 250);
+ * $d8_off = ($hi == 216 and ($lo > 160 ? 94 : 42));
+ * push (@out, (((($hi - ($hi < 223 ? 200 : 187)) << 1) -
+ * ($lo < 161 ? 1 : 0) + $offset) + $d8_off),
+ * $lo - ($lo < 161 ? ($lo > 126 ? 34 : 16) : 128 ));
+ * }
+ * return pack ("C*", @out);
+ * }
+ * additional comments from Ken Lunde
+ * $d8_off = ($hi == 216 and ($lo > 160 ? 94 : 42));
+ * has three possible return values:
+ * 0 if $hi is not equal to 216
+ * 94 if $hi is euqal to 216 and if $lo is greater than 160
+ * 42 if $hi is euqal to 216 and if $lo is not greater than 160
+ */
+ unsigned char hi = in[0];
+ unsigned char lo = in[1];
+ uint16_t offset = (( hi > 223 ) && ( hi < 250)) ? 1 : 0;
+ uint16_t d8_off = 0;
+ if(216 == hi) {
+ if( lo > 160)
+ d8_off = 94;
+ else
+ d8_off = 42;
+ }
+
+ *out = (((((hi - ((hi < 223) ? 200 : 187)) << 1) -
+ (lo < 161 ? 1 : 0) + offset) + d8_off) << 8 ) |
+ (lo - ((lo < 161) ? ((lo > 126) ? 34 : 16) :
+ 128));
+ *inscanlen = 2;
+ return 1;
+ }
+}
+int uCheckAndScan4BytesGB18030(
+ int32_t* state,
+ unsigned char *in,
+ uint16_t *out,
+ uint32_t inbuflen,
+ uint32_t* inscanlen
+ )
+{
+ uint32_t data;
+ if(inbuflen < 4)
+ return 0;
+
+ if((in[0] < 0x81 ) || (0xfe < in[0]))
+ return 0;
+ if((in[1] < 0x30 ) || (0x39 < in[1]))
+ return 0;
+ if((in[2] < 0x81 ) || (0xfe < in[2]))
+ return 0;
+ if((in[3] < 0x30 ) || (0x39 < in[3]))
+ return 0;
+
+ data = (((((in[0] - 0x81) * 10 + (in[1] - 0x30)) * 126) +
+ (in[2] - 0x81)) * 10 ) + (in[3] - 0x30);
+
+ *inscanlen = 4;
+ *out = (data < 0x00010000) ? data : 0xFFFD;
+ return 1;
+}
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