www.pudn.com > HuffmanForFile.zip > MAIN-E.C

#include  
#include  
#include  
#include "bitio.h" 
#include "errhand.h" 
#include "main.h" 
#include "bitio.c" 
#include "errhand.c" 
#include "huff.c" 
 
void usage_exit( char * prog_name ); 
 
int main( int argc,char * argv[] ) 
{ 
  FILE * output; 
  BIT_FILE * input; 
 
  setbuf( stdout,NULL ); 
  if( argc<3 ) 
      usage_exit( argv[0] ); 
  input=OpenInputBitFile( argv[1] ); 
  if( input==NULL ) 
      fatal_error( "Error opening %s for input!\n",argv[1] ); 
  output=fopen( argv[2],"w" ); 
  if( output==NULL ) 
      fatal_error( "Error opening %s for output!",argv[2] ); 
  printf( "\nExpanding %s to %s\n",argv[1],argv[2] ); 
  printf( "Using %s\n",CompressionName ); 
  argc-=3; 
  argv+=3; 
  ExpandFile( input,output,argc,argv ); 
  CloseInputBitFile( input ); 
  fclose( output ); 
  putc( '\n',stdout ); 
  return( 0 ); 
} 
 
 
void usage_exit( char * prog_name ) 
{ 
  char * short_name; 
  char * extension; 
 
  short_name=strrchr( prog_name,'\\' ); 
  if( short_name==NULL ) 
      short_name=strrchr( prog_name,'/' ); 
  if( short_name==NULL ) 
      short_name=strrchr( prog_name,'.' ); 
  if( short_name!=NULL ) 
      short_name++; 
  else 
      short_name=prog_name; 
  extension=strrchr( short_name,'.' ); 
  if( extension!=NULL ) 
      * extension='\0'; 
  printf( "\nUsage: %s %s\n",short_name,Usage ); 
  exit( 0 ); 
}