.ts Datei in C kopieren

#include <sys/sendfile.h>
#include <sys/stat.h>
#include <fcntl.h>


int main() {
  struct stat stat_buf;
  int source;
  int dest;
  source = open("/home/mase/source.ts", O_RDONLY);
  fstat(source, &stat_buf);
  dest = open("/home/mase/dest.ts", O_WRONLY|O_CREAT, stat_buf.st_mode);
  sendfile(dest, source, 0, stat_buf.st_size);
  close(source);
  close(dest);
  }

bool Filecopy(const char *sourcefile, const char *destfile)
{
  FILE *source = fopen(sourcefile, "r");
  FILE *dest = fopen(destfile, "w");
  if (!source)
     return false;
  if (!dest) {
     fclose(source);
     return false;
     }
  size_t l1;
  size_t l2;
  unsigned char buffer[8192]; 
  while ((l1 = fread(buffer, 1, sizeof buffer, source)) > 0) {
     l2 = fwrite(buffer, 1, l1, dest);
     if (l2 < 0 || l2 < l1) {
        fclose(source);
        fclose(dest);
        return false;
        }
     }
  fclose(source);
  fclose(dest);
  return true;
}