summaryrefslogtreecommitdiffstats
path: root/scripts/binoffset.c
diff options
context:
space:
mode:
Diffstat (limited to 'scripts/binoffset.c')
-rw-r--r--scripts/binoffset.c163
1 files changed, 0 insertions, 163 deletions
diff --git a/scripts/binoffset.c b/scripts/binoffset.c
deleted file mode 100644
index 1a2e39b8e3e5..000000000000
--- a/scripts/binoffset.c
+++ /dev/null
@@ -1,163 +0,0 @@
-/***************************************************************************
- * binoffset.c
- * (C) 2002 Randy Dunlap <rdunlap@xenotime.net>
-
-# 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., 675 Mass Ave, Cambridge, MA 02139, USA.
-
-# binoffset.c:
-# - searches a (binary) file for a specified (binary) pattern
-# - returns the offset of the located pattern or ~0 if not found
-# - exits with exit status 0 normally or non-0 if pattern is not found
-# or any other error occurs.
-
-****************************************************************/
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <errno.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <sys/mman.h>
-
-#define VERSION "0.1"
-#define BUF_SIZE (16 * 1024)
-#define PAT_SIZE 100
-
-char *progname;
-char *inputname;
-int inputfd;
-unsigned int bix; /* buf index */
-unsigned char patterns [PAT_SIZE] = {0}; /* byte-sized pattern array */
-int pat_len; /* actual number of pattern bytes */
-unsigned char *madr; /* mmap address */
-size_t filesize;
-int num_matches = 0;
-off_t firstloc = 0;
-
-void usage (void)
-{
- fprintf (stderr, "%s ver. %s\n", progname, VERSION);
- fprintf (stderr, "usage: %s filename pattern_bytes\n",
- progname);
- fprintf (stderr, " [prints location of pattern_bytes in file]\n");
- exit (1);
-}
-
-void get_pattern (int pat_count, char *pats [])
-{
- int ix, err, tmp;
-
-#ifdef DEBUG
- fprintf (stderr,"get_pattern: count = %d\n", pat_count);
- for (ix = 0; ix < pat_count; ix++)
- fprintf (stderr, " pat # %d: [%s]\n", ix, pats[ix]);
-#endif
-
- for (ix = 0; ix < pat_count; ix++) {
- tmp = 0;
- err = sscanf (pats[ix], "%5i", &tmp);
- if (err != 1 || tmp > 0xff) {
- fprintf (stderr, "pattern or value error in pattern # %d [%s]\n",
- ix, pats[ix]);
- usage ();
- }
- patterns [ix] = tmp;
- }
- pat_len = pat_count;
-}
-
-void search_pattern (void)
-{
- for (bix = 0; bix < filesize; bix++) {
- if (madr[bix] == patterns[0]) {
- if (memcmp (&madr[bix], patterns, pat_len) == 0) {
- if (num_matches == 0)
- firstloc = bix;
- num_matches++;
- }
- }
- }
-}
-
-#ifdef NOTDEF
-size_t get_filesize (int fd)
-{
- off_t end_off = lseek (fd, 0, SEEK_END);
- lseek (fd, 0, SEEK_SET);
- return (size_t) end_off;
-}
-#endif
-
-size_t get_filesize (int fd)
-{
- int err;
- struct stat stat;
-
- err = fstat (fd, &stat);
- fprintf (stderr, "filesize: %ld\n", err < 0 ? (long)err : stat.st_size);
- if (err < 0)
- return err;
- return (size_t) stat.st_size;
-}
-
-int main (int argc, char *argv [])
-{
- progname = argv[0];
-
- if (argc < 3)
- usage ();
-
- get_pattern (argc - 2, argv + 2);
-
- inputname = argv[1];
-
- inputfd = open (inputname, O_RDONLY);
- if (inputfd == -1) {
- fprintf (stderr, "%s: cannot open '%s'\n",
- progname, inputname);
- exit (3);
- }
-
- filesize = get_filesize (inputfd);
-
- madr = mmap (0, filesize, PROT_READ, MAP_PRIVATE, inputfd, 0);
- if (madr == MAP_FAILED) {
- fprintf (stderr, "mmap error = %d\n", errno);
- close (inputfd);
- exit (4);
- }
-
- search_pattern ();
-
- if (munmap (madr, filesize))
- fprintf (stderr, "munmap error = %d\n", errno);
-
- if (close (inputfd))
- fprintf (stderr, "%s: error %d closing '%s'\n",
- progname, errno, inputname);
-
- fprintf (stderr, "number of pattern matches = %d\n", num_matches);
- if (num_matches == 0)
- firstloc = ~0;
- printf ("%ld\n", firstloc);
- fprintf (stderr, "%ld\n", firstloc);
-
- exit (num_matches ? 0 : 2);
-}
-
-/* end binoffset.c */