[H-GEN] file recovery tools

[Peter Arnold]

David Makepeace wrote:

> 
> #include <stdio.h>
> #include <unistd.h>
> #include <fcntl.h>
> 
> main(int argc, char *argv[])
> {
>   int fd = -1;
>   char buf[512];
>   char fname[80];
>   int fnum = 0;
> 
>   while (read(0, buf, 512) == 512) {
>     if (*(unsigned *)&buf == 0xe1ffd8ff) {
>       if (fd != -1) close(fd);
>       sprintf(fname, "recovered%03d.jpg", fnum++);
>       fd = open(fname, O_RDWR | O_CREAT | O_TRUNC, 0666);
>       if (fd == -1) {
>         perror(fname);
>         exit(1);
>       }
>     }
>     if (fd != -1) write(fd, buf, 512);
>   }
>   if (fd != -1) close(fd);
>   exit(0);
> }

Hey David,
Thanks for the above program. It achieved the same results but is an order of magnitude (or two) faster than my script :).

For the record though I changed:
	if (*(unsigned *)&buf == 0xe1ffd8ff) {
to
	if (*(unsigned *)&buf == 0xffd8ffe1) {
for it to work for me.

Cheers
Peter