diff options
Diffstat (limited to 'release/floppies/write_mfs_in_kernel.c')
-rw-r--r-- | release/floppies/write_mfs_in_kernel.c | 70 |
1 files changed, 0 insertions, 70 deletions
diff --git a/release/floppies/write_mfs_in_kernel.c b/release/floppies/write_mfs_in_kernel.c deleted file mode 100644 index 886bdd234dd8b..0000000000000 --- a/release/floppies/write_mfs_in_kernel.c +++ /dev/null @@ -1,70 +0,0 @@ -/* - * ---------------------------------------------------------------------------- - * "THE BEER-WARE LICENSE" (Revision 42): - * <phk@login.dknet.dk> wrote this file. As long as you retain this notice you - * can do whatever you want with this stuff. If we meet some day, and you think - * this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp - * ---------------------------------------------------------------------------- - * - * $Id: write_mfs_in_kernel.c,v 1.1 1995/04/25 03:45:18 phk Exp $ - * - * This program patches a filesystem into a kernel made with MFS_ROOT - * option. - */ - -#include <stdio.h> -#include <stdlib.h> -#include <unistd.h> -#include <fcntl.h> -#include <sys/types.h> -#include <sys/param.h> -#include <sys/stat.h> -#include <ufs/ffs/fs.h> - -main(int argc, char **argv) -{ - unsigned char *buf_kernel, *buf_fs, *p,*q; - int fd_kernel, fd_fs; - struct stat st_kernel, st_fs; - u_long l; - - if (argc < 3) { - fprintf(stderr,"Usage:\n\t%s kernel fs\n"); - exit(2); - } - fd_kernel = open(argv[1],O_RDWR); - if (fd_kernel < 0) { perror(argv[1]); exit(2); } - fstat(fd_kernel,&st_kernel); - fd_fs = open(argv[2],O_RDONLY); - if (fd_fs < 0) { perror(argv[2]); exit(2); } - fstat(fd_fs,&st_fs); - buf_kernel = malloc(st_kernel.st_size); - if (!buf_kernel) { perror("malloc"); exit(2); } - buf_fs = malloc(st_fs.st_size); - if (!buf_fs) { perror("malloc"); exit(2); } - if (st_kernel.st_size != read(fd_kernel,buf_kernel,st_kernel.st_size)) - { perror(argv[1]); exit(2); } - if (st_fs.st_size != read(fd_fs,buf_fs,st_fs.st_size)) - { perror(argv[2]); exit(2); } - for(l=0,p=buf_kernel; l < st_kernel.st_size - st_fs.st_size ; l++,p++ ) - if(*p == 'M' && !strcmp(p,"MFS Filesystem goes here")) - goto found; - fprintf(stderr,"MFS filesystem signature not found in %s\n",argv[1]); - exit(1); - found: - for(l=0,q= p + SBOFF; l < st_fs.st_size - SBOFF ; l++,q++ ) - if (*q) - goto fail; - memcpy(p+SBOFF,buf_fs+SBOFF,st_fs.st_size-SBOFF); - lseek(fd_kernel,0L,SEEK_SET); - if (st_kernel.st_size != write(fd_kernel,buf_kernel,st_kernel.st_size)) - { perror(argv[1]); exit(2); } - exit(0); - fail: - l += SBOFF; - fprintf(stderr,"Obstruction in kernel after %ld bytes (%ld Kbyte)\n", - l, l/1024); - fprintf(stderr,"Filesystem is %ld bytes (%ld Kbyte)\n", - (u_long)st_fs.st_size, (u_long)st_fs.st_size/1024); - exit(1); -} |