Lepsi tester seriovky

[mirrors/Programs.git] / c / crypt / crypt.c

#include <stdio.h>\r
#include <stdlib.h>\r
\r
int main(int argc, char *argv[])\r
{\r
  int k, i; //Key, In,\r
  //char sfkey[128] sfin[128], sfout[128];\r
  if (argc <= 1 || argc > 4 ) { printf("Usage: crypt key [in] [out]\n"); return 1; }\r
  FILE* fkey = fopen(argv[1], "rb"); //Open Key\r
  if (argc >= 3) { freopen(argv[2], "rb", stdin); } //Reopen stdin\r
  if (argc == 4) { freopen(argv[3], "wb", stdout); } //Reopen stdout\r
  \r
  while( (i = getchar()) != EOF ) {\r
           if ( (k = getc(fkey)) == EOF )\r
              { fseek(fkey, 0L, SEEK_SET); k = getc(fkey); }\r
             //printf("%d: %c\n", k, k); sleep(1); //Debug\r
             putchar(i^k);\r
  }\r
  return 0;\r
}\r