diff options
Diffstat (limited to 'e2fsprogs/ext2fs/read_bb_file.c')
-rw-r--r-- | e2fsprogs/ext2fs/read_bb_file.c | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/e2fsprogs/ext2fs/read_bb_file.c b/e2fsprogs/ext2fs/read_bb_file.c new file mode 100644 index 0000000..40c34ee --- /dev/null +++ b/e2fsprogs/ext2fs/read_bb_file.c @@ -0,0 +1,97 @@ +/* + * read_bb_file.c --- read a list of bad blocks from a FILE * + * + * Copyright (C) 1994, 1995, 2000 Theodore Ts'o. + * + * %Begin-Header% + * This file may be redistributed under the terms of the GNU Public + * License. + * %End-Header% + */ + +#include <stdio.h> +#include <string.h> +#if HAVE_UNISTD_H +#include <unistd.h> +#endif +#include <fcntl.h> +#include <time.h> +#if HAVE_SYS_STAT_H +#include <sys/stat.h> +#endif +#if HAVE_SYS_TYPES_H +#include <sys/types.h> +#endif + +#include "ext2_fs.h" +#include "ext2fs.h" + +/* + * Reads a list of bad blocks from a FILE * + */ +errcode_t ext2fs_read_bb_FILE2(ext2_filsys fs, FILE *f, + ext2_badblocks_list *bb_list, + void *priv_data, + void (*invalid)(ext2_filsys fs, + blk_t blk, + char *badstr, + void *priv_data)) +{ + errcode_t retval; + blk_t blockno; + int count; + char buf[128]; + + if (fs) + EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS); + + if (!*bb_list) { + retval = ext2fs_badblocks_list_create(bb_list, 10); + if (retval) + return retval; + } + + while (!feof (f)) { + if (fgets(buf, sizeof(buf), f) == NULL) + break; + count = sscanf(buf, "%u", &blockno); + if (count <= 0) + continue; + if (fs && + ((blockno < fs->super->s_first_data_block) || + (blockno >= fs->super->s_blocks_count))) { + if (invalid) + (invalid)(fs, blockno, buf, priv_data); + continue; + } + retval = ext2fs_badblocks_list_add(*bb_list, blockno); + if (retval) + return retval; + } + return 0; +} + +static void call_compat_invalid(ext2_filsys fs, blk_t blk, + char *badstr EXT2FS_ATTR((unused)), + void *priv_data) +{ + void (*invalid)(ext2_filsys, blk_t); + + invalid = (void (*)(ext2_filsys, blk_t)) priv_data; + if (invalid) + invalid(fs, blk); +} + + +/* + * Reads a list of bad blocks from a FILE * + */ +errcode_t ext2fs_read_bb_FILE(ext2_filsys fs, FILE *f, + ext2_badblocks_list *bb_list, + void (*invalid)(ext2_filsys fs, blk_t blk)) +{ + return ext2fs_read_bb_FILE2(fs, f, bb_list, (void *) invalid, + call_compat_invalid); +} + + |