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CODE.C
Package: solitude.rar [view]
Upload User: szqxhk
Upload Date: 2010-02-15
Package Size: 54k
Code Size: 3k
Category:
Compress-Decompress algrithms
Development Platform:
Visual C++
- #include <stdio.h>
- int array[128]={6,33,34,35,36,37,38,39,5,41,42,43,44,45,46,47,
- 48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,7,65,66,67,
- 68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,
- 88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,
- 106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,
- 121,122,123,124,125,126,127,3,129,130,131,132,133,134,4,
- 136,137,138,139,140,141,142,143,144,145,146,147,148,149,150,
- 151,152,153,154,155,156,157,158,159};
- main( int argc,char * argv[] )
- {
- FILE * input_file;
- FILE * output_file;
- unsigned char rackin;
- unsigned char rackout;
- int mask;
- int i,j,flag;
- char out_char;
- unsigned char bit[8];
- char conclude;
- if( ( input_file=fopen( argv[1],"r") )==NULL )
- { printf( "cant open the input_file " );
- exit(0); }
- output_file=fopen( argv[2],"w" );
- for( ; ; ){
- mask=0x01;
- rackout=0;
- rackin=getc( input_file ) ;
- conclude=rackin;
- if( conclude==EOF ) break;
- rackout=( rackin>>1 );
- out_char=array[rackout];
- putc( out_char,output_file );
- bit[6]=rackin&mask;
- bit[6]<<=6;
- mask=0x01;
- rackout=0;
- rackin=getc( input_file );
- conclude=rackin;
- if( conclude==EOF ) break;
- rackout=( rackin>>2 );
- rackout |= bit[6];
- out_char=array[rackout];
- putc( out_char,output_file );
- bit[5]=rackin&mask;
- bit[5]<<=5;
- mask<<=1;
- bit[6]=rackin&mask;
- bit[6]<<=5;
- mask=0x01;
- rackout=0;
- rackin=getc( input_file );
- conclude=rackin;
- if( conclude==EOF ) break;
- rackout=( rackin>>3 );
- rackout |= bit[5];
- rackout |= bit[6];
- out_char=array[rackout];
- putc( out_char,output_file );
- bit[4]=rackin&mask;
- bit[4]<<=4;
- mask<<=1;
- bit[5]=rackin&mask;
- bit[5]<<=4;
- mask<<=1;
- bit[6]=rackin&mask;
- bit[6]<<=4;
- mask=0x01;
- rackout=0;
- rackin=getc( input_file );
- conclude=rackin;
- if( conclude==EOF ) break;
- rackout=( rackin>>4 );
- rackout |= bit[4];
- rackout |= bit[5];
- rackout |= bit[6];
- out_char=array[rackout];
- putc( out_char,output_file );
- for( i=3;i<=6;i++ ){
- bit[i]=rackin&mask;
- bit[i]<<=3;
- mask<<=1;
- }
- mask=0x01;
- rackout=0;
- rackin=getc( input_file ) ;
- conclude=rackin;
- if( conclude==EOF ) break;
- rackout=( rackin>>5 );
- for( i=3;i<=6;i++ )
- rackout |= bit[i];
- out_char=array[rackout];
- putc( out_char,output_file );
- for( i=2;i<=6;i++ ){
- bit[i]=rackin&mask;
- bit[i]<<=2;
- mask<<=1;
- }
- mask=0x01;
- rackout=0;
- rackin=getc( input_file );
- conclude=rackin;
- if( conclude==EOF ) break;
- rackout=( rackin>>6 );
- for( i=2;i<=6;i++ )
- rackout |= bit[i];
- out_char=array[rackout];
- putc( out_char,output_file );
- for( i=1;i<=6;i++ ){
- bit[i]=rackin& mask;
- bit[i]<<=1;
- mask<<=1;
- }
- mask=0x01;
- rackout=0;
- rackin=getc( input_file );
- conclude=rackin;
- if( conclude==EOF ) break;
- rackout=( rackin>>7 );
- for( i=1;i<=6;i++ )
- rackout |= bit[i];
- out_char=array[rackout];
- putc( out_char,output_file );
- rackout=0;
- mask=0x7f;
- rackout=rackin & mask ;
- out_char=array[rackout];
- putc( out_char,output_file );
- }
- fclose( output_file );
- fclose( input_file );
- printf("rackin=%dconclude=%d",rackin,conclude);
- }