www.pudn.com > CRCSET13 > TESTCRC.C

/* 
TESTCRC.C 
 
Kevin Dean 
Fairview Mall P.O. Box 55074 
1800 Sheppard Avenue East 
Willowdale, Ontario 
CANADA    M2J 5B9 
CompuServe ID: 76336,3114 
 
March 24, 1991 
 
	This program demonstrates the anti-virus CRC algorithm in VALIDCRC.C. 
The response to an invalid CRC is entirely up to the programmer. 
 
	This code is public domain. 
*/ 
 
 
#include  
#include  
 
#include "viruscrc.h" 
 
 
/***/ 
main() 
{ 
switch (validatecrc("TESTCRC.EXE")) 
  { 
  case CRC_VALID: 
    puts("CRC is valid."); 
    break; 
     
  case CRC_INVALID: 
  case CRC_ISZERO: 
    fputs("*** WARNING *** Program's CRC is invalid.\n" 
	  "This program may have been infected by a virus.\n", stderr); 
    break; 
 
  case CRC_NOMEM: 
    fputs("Insufficient memory to run CRC calculation.\n", stderr); 
    break; 
 
  case CRC_FILEERR: 
    fputs("Program file not found; cannot calculate CRC.\n", stderr); 
    break; 
  } 
 
return (0); 
}