Korovinn

#include
#include
#include

int FileShifr
( const char src,
const char dst, const shifr)
{
#define BUFSZ 32000

char buf;
FILE fi;
FILE *fo;
unsigned amount;
unsigned written;
int result;

buf = new char[BUFSZ];

fi = fopen( src, "rb" );
fo = fopen( dst, "wb" );

result = 0;
if ((fi == NULL) || (fo == NULL) )
{
result = 1;
if (fi != NULL) fclose(fi);
if (fo != NULL) fclose(fo);
}

if (result == 0)
{
do
{
amount = fread( buf, sizeof(char), BUFSZ, fi );
if (amount)
{

written = fwrite( buf+shifr, sizeof(char), amount, fo );
if (written != amount)
{
result = 1; // out of disk space or some other disk err?
}
}
} // when amount read is < BUFSZ, copy is done
while ((result == 0) && (amount == BUFSZ));
fclose(fi);
fclose(fo);
}
delete [] buf;
return(result);
}


void main()
{
clrscr();
printf("1 - Shifrovkan");
printf("2 - Deshifrovkan");
printf("3 - Vihodn");
int punkt=0;
scanf("%d",&punkt);
char put[250];
if (punkt == 1)
{

printf("Vvedite put k failu dla shifrovki:n");
scanf("%s",&put);
FileShifr(put, "temp.exe",-1);
remove(put);
rename("temp.exe",put);
printf("Fail zashifrovan");
getch();
};
if (punkt == 2)
{

printf("Vvedite put k failu dla deshifrovki:n");
scanf("%s",&put);
FileShifr(put, "temp.exe",1);
remove(put);
rename("temp.exe",put);
printf("Fail deshifrovan");
getch();
};
};