78 lines
1.8 KiB
C
78 lines
1.8 KiB
C
/*
|
|
cole - A free C OLE library.
|
|
cole_isfs_fast - Fast guess if a file is a valid filesystem.
|
|
Copyright 1998, 1999 Roberto Arturo Tena Sanchez
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 2 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to the Free Software
|
|
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*/
|
|
/*
|
|
Arturo Tena <arturo@directmail.org>
|
|
*/
|
|
|
|
|
|
#include <stdio.h>
|
|
|
|
/* To compile this file outside cole source tree,
|
|
you must include here <cole/cole.h> instead <cole.h> */
|
|
#include <cole.h>
|
|
|
|
|
|
#define PRGNAME "cole_isfs_fast"
|
|
|
|
|
|
int
|
|
main (int argc, char **argv)
|
|
{
|
|
FILE *file;
|
|
unsigned char sign[8];
|
|
|
|
|
|
if (argc != 2) {
|
|
fprintf (stderr, PRGNAME". Prints `yes' if the file is a "
|
|
"valid filesystem, otherwise it prints `no'. "
|
|
"The test is not much accurate.\n"
|
|
"Usage: "PRGNAME" <FILE>\n");
|
|
exit (1);
|
|
}
|
|
|
|
|
|
file = fopen (argv[1], "rb");
|
|
if (file == NULL) {
|
|
perror (PRGNAME);
|
|
exit (1);
|
|
}
|
|
|
|
fread (sign, 1, 8, file);
|
|
if ( sign[0] != 0xd0
|
|
|| sign[1] != 0xcf
|
|
|| sign[2] != 0x11
|
|
|| sign[3] != 0xe0
|
|
|| sign[4] != 0xa1
|
|
|| sign[5] != 0xb1
|
|
|| sign[6] != 0x1a
|
|
|| sign[7] != 0xe1) {
|
|
printf ("no\n");
|
|
fclose (file);
|
|
exit (1);
|
|
}
|
|
|
|
fclose (file);
|
|
|
|
printf ("yes\n");
|
|
|
|
exit (0);
|
|
}
|
|
|