/*
 * col_reverse.c	Alternative collation sequence
 * actually, it is rather simple, it collates everyting the in reverse
 * i.e. 1-255 -> 255-1
 *
 */
#include "gtm_descript.h"

#define MYAPP_SUBC2LONG 12345678
#define MYAPP_WRONGVERSION 20406080
#define COLLATION_TABLE_SIZE		256
#define COLLATION_ROUTINE_VERSION	1
#define SUCCESS     0
#define FAILURE     1

 static unsigned char	xform_table[COLLATION_TABLE_SIZE] =
{
255, 254, 253, 252, 251, 250, 249, 248, 247, 246, 245, 244, 243, 242, 241, 240, 
239, 238, 237, 236, 235, 234, 233, 232, 231, 230, 229, 228, 227, 226, 225, 224, 
223, 222, 221, 220, 219, 218, 217, 216, 215, 214, 213, 212, 211, 210, 209, 208, 
207, 206, 205, 204, 203, 202, 201, 200, 199, 198, 197, 196, 195, 194, 193, 192, 
191, 190, 189, 188, 187, 186, 185, 184, 183, 182, 181, 180, 179, 178, 177, 176, 
175, 174, 173, 172, 171, 170, 169, 168, 167, 166, 165, 164, 163, 162, 161, 160, 
159, 158, 157, 156, 155, 154, 153, 152, 151, 150, 149, 148, 147, 146, 145, 144, 
143, 142, 141, 140, 139, 138, 137, 136, 135, 134, 133, 132, 131, 130, 129, 128, 
127, 126, 125, 124, 123, 122, 121, 120, 119, 118, 117, 116, 115, 114, 113, 112, 
111, 110, 109, 108, 107, 106, 105, 104, 103, 102, 101, 100,  99,  98,  97,  96, 
 95,  94,  93,  92,  91,  90,  89,  88,  87,  86,  85,  84,  83,  82,  81,  80, 
 79,  78,  77,  76,  75,  74,  73,  72,  71,  70,  69,  68,  67,  66,  65,  64, 
 63,  62,  61,  60,  59,  58,  57,  56,  55,  54,  53,  52,  51,  50,  49,  48, 
 47,  46,  45,  44,  43,  42,  41,  40,  39,  38,  37,  36,  35,  34,  33,  32, 
 31,  30,  29,  28,  27,  26,  25,  24,  23,  22,  21,  20,  19,  18,  17,  16, 
 15,  14,  13,  12,  11,  10,   9,   8,   7,   6,   5,   4,   3,   2,   1,   0
};

static unsigned char	inverse_table[COLLATION_TABLE_SIZE] =
{
255, 254, 253, 252, 251, 250, 249, 248, 247, 246, 245, 244, 243, 242, 241, 240, 
239, 238, 237, 236, 235, 234, 233, 232, 231, 230, 229, 228, 227, 226, 225, 224, 
223, 222, 221, 220, 219, 218, 217, 216, 215, 214, 213, 212, 211, 210, 209, 208, 
207, 206, 205, 204, 203, 202, 201, 200, 199, 198, 197, 196, 195, 194, 193, 192, 
191, 190, 189, 188, 187, 186, 185, 184, 183, 182, 181, 180, 179, 178, 177, 176, 
175, 174, 173, 172, 171, 170, 169, 168, 167, 166, 165, 164, 163, 162, 161, 160, 
159, 158, 157, 156, 155, 154, 153, 152, 151, 150, 149, 148, 147, 146, 145, 144, 
143, 142, 141, 140, 139, 138, 137, 136, 135, 134, 133, 132, 131, 130, 129, 128, 
127, 126, 125, 124, 123, 122, 121, 120, 119, 118, 117, 116, 115, 114, 113, 112, 
111, 110, 109, 108, 107, 106, 105, 104, 103, 102, 101, 100,  99,  98,  97,  96, 
 95,  94,  93,  92,  91,  90,  89,  88,  87,  86,  85,  84,  83,  82,  81,  80, 
 79,  78,  77,  76,  75,  74,  73,  72,  71,  70,  69,  68,  67,  66,  65,  64, 
 63,  62,  61,  60,  59,  58,  57,  56,  55,  54,  53,  52,  51,  50,  49,  48, 
 47,  46,  45,  44,  43,  42,  41,  40,  39,  38,  37,  36,  35,  34,  33,  32, 
 31,  30,  29,  28,  27,  26,  25,  24,  23,  22,  21,  20,  19,  18,  17,  16, 
 15,  14,  13,  12,  11,  10,   9,   8,   7,   6,   5,   4,   3,   2,   1,   0
};

long gtm_ac_xform_1 ( gtm32_descriptor *src, int level, gtm32_descriptor *dst, int *dstlen)
{
	int n;
	unsigned char  *cp, *cpout;


	n = src->len;
	if ( n > dst->len)
		return MYAPP_SUBC2LONG;

	cp  = (unsigned char *)src->val;
	cpout = (unsigned char *)dst->val;

	while ( n-- > 0 )
	   *cpout++ = xform_table[*cp++];

	*dstlen = src->len;

	return 0;
}

long gtm_ac_xback_1 ( gtm32_descriptor *src, int level, gtm32_descriptor *dst, int *dstlen)
{
	int	n;
	unsigned char  *cp, *cpout;


	n = src->len;
	if ( n > dst->len)
	  return MYAPP_SUBC2LONG;

	cp  = (unsigned char *)src->val;
	cpout = (unsigned char *)dst->val;

	while ( n-- > 0 )
	   *cpout++ = inverse_table[*cp++];

	*dstlen = src->len;

	return 0;
}

int gtm_ac_version ()
{
	return 0;
}

int gtm_ac_verify (unsigned char type, unsigned char ver)
{
    return 0;
}

int main ( )
{
}