diff options
Diffstat (limited to 'debugfs/debugfs.c')
| -rw-r--r-- | debugfs/debugfs.c | 53 |
1 files changed, 48 insertions, 5 deletions
diff --git a/debugfs/debugfs.c b/debugfs/debugfs.c index 1fb8f448..6a768f0f 100644 --- a/debugfs/debugfs.c +++ b/debugfs/debugfs.c @@ -140,7 +140,11 @@ void do_open_filesys(int argc, char **argv) open_flags |= EXT2_FLAG_IMAGE_FILE; break; case 'w': +#ifdef READ_ONLY + goto print_usage; +#else open_flags |= EXT2_FLAG_RW; +#endif /* READ_ONLY */ break; case 'f': open_flags |= EXT2_FLAG_FORCE; @@ -184,8 +188,11 @@ void do_open_filesys(int argc, char **argv) return; print_usage: - fprintf(stderr, "%s: Usage: open [-s superblock] [-b blocksize] " - "[-c] [-w] <device>\n", argv[0]); + fprintf(stderr, "%s: Usage: open [-s superblock] [-b blocksize] [-c] " +#ifndef READ_ONLY + "[-w] " +#endif + "<device>\n", argv[0]); } void do_lcd(int argc, char **argv) @@ -251,6 +258,7 @@ void do_close_filesys(int argc, char **argv) close_filesystem(); } +#ifndef READ_ONLY void do_init_filesys(int argc, char **argv) { struct ext2_super_block param; @@ -276,6 +284,7 @@ void do_init_filesys(int argc, char **argv) root = cwd = EXT2_ROOT_INO; return; } +#endif /* READ_ONLY */ static void print_features(struct ext2_super_block * s, FILE *f) { @@ -393,6 +402,7 @@ print_usage: fprintf(stderr, "%s: Usage: show_super [-h]\n", argv[0]); } +#ifndef READ_ONLY void do_dirty_filesys(int argc EXT2FS_ATTR((unused)), char **argv EXT2FS_ATTR((unused))) { @@ -407,6 +417,7 @@ void do_dirty_filesys(int argc EXT2FS_ATTR((unused)), current_fs->super->s_state &= ~EXT2_VALID_FS; ext2fs_mark_super_dirty(current_fs); } +#endif /* READ_ONLY */ struct list_blocks_struct { FILE *f; @@ -964,6 +975,7 @@ void do_chroot(int argc, char *argv[]) root = inode; } +#ifndef READ_ONLY void do_clri(int argc, char *argv[]) { ext2_ino_t inode; @@ -1006,6 +1018,7 @@ void do_seti(int argc, char *argv[]) ext2fs_mark_inode_bitmap2(current_fs->inode_map,inode); ext2fs_mark_ib_dirty(current_fs); } +#endif /* READ_ONLY */ void do_testi(int argc, char *argv[]) { @@ -1020,6 +1033,7 @@ void do_testi(int argc, char *argv[]) printf("Inode %u is not in use\n", inode); } +#ifndef READ_ONLY void do_freeb(int argc, char *argv[]) { blk64_t block; @@ -1057,6 +1071,7 @@ void do_setb(int argc, char *argv[]) } ext2fs_mark_bb_dirty(current_fs); } +#endif /* READ_ONLY */ void do_testb(int argc, char *argv[]) { @@ -1074,6 +1089,7 @@ void do_testb(int argc, char *argv[]) } } +#ifndef READ_ONLY static void modify_u8(char *com, const char *prompt, const char *format, __u8 *val) { @@ -1217,6 +1233,7 @@ void do_modify_inode(int argc, char *argv[]) if (debugfs_write_inode(inode_num, &inode, argv[1])) return; } +#endif /* READ_ONLY */ void do_change_working_dir(int argc, char *argv[]) { @@ -1298,6 +1315,7 @@ static int ext2_file_type(unsigned int mode) return 0; } +#ifndef READ_ONLY static void make_link(char *sourcename, char *destname) { ext2_ino_t ino; @@ -1445,6 +1463,7 @@ void do_unlink(int argc, char *argv[]) unlink_file_by_name(argv[1]); } +#endif /* READ_ONLY */ void do_find_free_block(int argc, char *argv[]) { @@ -1537,6 +1556,7 @@ void do_find_free_inode(int argc, char *argv[]) printf("Free inode found: %u\n", free_inode); } +#ifndef READ_ONLY static errcode_t copy_file(int fd, ext2_ino_t newfile) { ext2_file_t e2_file; @@ -1944,6 +1964,7 @@ void do_rmdir(int argc, char *argv[]) return; } } +#endif /* READ_ONLY */ void do_show_debugfs_params(int argc EXT2FS_ATTR((unused)), char *argv[] EXT2FS_ATTR((unused))) @@ -1957,6 +1978,7 @@ void do_show_debugfs_params(int argc EXT2FS_ATTR((unused)), current_fs ? current_fs->device_name : "--none--"); } +#ifndef READ_ONLY void do_expand_dir(int argc, char *argv[]) { ext2_ino_t inode; @@ -1990,6 +2012,7 @@ void do_features(int argc, char *argv[]) } print_features(current_fs->super, stdout); } +#endif /* READ_ONLY */ void do_bmap(int argc, char *argv[]) { @@ -2047,6 +2070,7 @@ void do_imap(int argc, char *argv[]) } +#ifndef READ_ONLY void do_set_current_time(int argc, char *argv[]) { time_t now; @@ -2066,6 +2090,7 @@ void do_set_current_time(int argc, char *argv[]) current_fs->now = now; } } +#endif /* READ_ONLY */ static int find_supp_feature(__u32 *supp, int feature_type, char *name) { @@ -2132,6 +2157,7 @@ void do_supported_features(int argc, char *argv[]) } } +#ifndef READ_ONLY void do_punch(int argc, char *argv[]) { ext2_ino_t ino; @@ -2162,6 +2188,7 @@ void do_punch(int argc, char *argv[]) return; } } +#endif /* READ_ONLY */ void do_dump_mmp(int argc, char *argv[]) { @@ -2256,7 +2283,13 @@ int main(int argc, char **argv) { int retval; int sci_idx; - const char *usage = "Usage: %s [-b blocksize] [-s superblock] [-f cmd_file] [-R request] [-V] [[-w] [-c] device]"; + const char *usage = + "Usage: %s [-b blocksize] [-s superblock] [-f cmd_file] " + "[-R request] [-V] [" +#ifndef READ_ONLY + "[-w] " +#endif + "[-c] device]"; int c; int open_flags = EXT2_FLAG_SOFTSUPP_FEATURES | EXT2_FLAG_64BITS; char *request = 0; @@ -2266,15 +2299,23 @@ int main(int argc, char **argv) blk64_t blocksize = 0; int catastrophic = 0; char *data_filename = 0; +#ifdef READ_ONLY + const char *opt_string = "icR:f:b:s:Vd:D"; +#else + const char *opt_string = "iwcR:f:b:s:Vd:D"; +#endif if (debug_prog_name == 0) +#ifdef READ_ONLY + debug_prog_name = "rdebugfs"; +#else debug_prog_name = "debugfs"; - +#endif add_error_table(&et_ext2_error_table); fprintf (stderr, "%s %s (%s)\n", debug_prog_name, E2FSPROGS_VERSION, E2FSPROGS_DATE); - while ((c = getopt (argc, argv, "iwcR:f:b:s:Vd:D")) != EOF) { + while ((c = getopt (argc, argv, opt_string)) != EOF) { switch (c) { case 'R': request = optarg; @@ -2288,9 +2329,11 @@ int main(int argc, char **argv) case 'i': open_flags |= EXT2_FLAG_IMAGE_FILE; break; +#ifndef READ_ONLY case 'w': open_flags |= EXT2_FLAG_RW; break; +#endif case 'D': open_flags |= EXT2_FLAG_DIRECT_IO; break; |