1/* vi: set sw=4 ts=4: */ 2/* 3 * read_bb_file.c --- read a list of bad blocks from a FILE * 4 * 5 * Copyright (C) 1994, 1995, 2000 Theodore Ts'o. 6 * 7 * %Begin-Header% 8 * This file may be redistributed under the terms of the GNU Public 9 * License. 10 * %End-Header% 11 */ 12 13#include <stdio.h> 14#include <string.h> 15#if HAVE_UNISTD_H 16#include <unistd.h> 17#endif 18#include <fcntl.h> 19#include <time.h> 20#if HAVE_SYS_STAT_H 21#include <sys/stat.h> 22#endif 23#if HAVE_SYS_TYPES_H 24#include <sys/types.h> 25#endif 26 27#include "ext2_fs.h" 28#include "ext2fs.h" 29 30/* 31 * Reads a list of bad blocks from a FILE * 32 */ 33errcode_t ext2fs_read_bb_FILE2(ext2_filsys fs, FILE *f, 34 ext2_badblocks_list *bb_list, 35 void *priv_data, 36 void (*invalid)(ext2_filsys fs, 37 blk_t blk, 38 char *badstr, 39 void *priv_data)) 40{ 41 errcode_t retval; 42 blk_t blockno; 43 int count; 44 char buf[128]; 45 46 if (fs) 47 EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS); 48 49 if (!*bb_list) { 50 retval = ext2fs_badblocks_list_create(bb_list, 10); 51 if (retval) 52 return retval; 53 } 54 55 while (!feof (f)) { 56 if (fgets(buf, sizeof(buf), f) == NULL) 57 break; 58 count = sscanf(buf, "%u", &blockno); 59 if (count <= 0) 60 continue; 61 if (fs && 62 ((blockno < fs->super->s_first_data_block) || 63 (blockno >= fs->super->s_blocks_count))) { 64 if (invalid) 65 (invalid)(fs, blockno, buf, priv_data); 66 continue; 67 } 68 retval = ext2fs_badblocks_list_add(*bb_list, blockno); 69 if (retval) 70 return retval; 71 } 72 return 0; 73} 74 75static void call_compat_invalid(ext2_filsys fs, blk_t blk, 76 char *badstr EXT2FS_ATTR((unused)), 77 void *priv_data) 78{ 79 void (*invalid)(ext2_filsys, blk_t); 80 81 invalid = (void (*)(ext2_filsys, blk_t)) priv_data; 82 if (invalid) 83 invalid(fs, blk); 84} 85 86 87/* 88 * Reads a list of bad blocks from a FILE * 89 */ 90errcode_t ext2fs_read_bb_FILE(ext2_filsys fs, FILE *f, 91 ext2_badblocks_list *bb_list, 92 void (*invalid)(ext2_filsys fs, blk_t blk)) 93{ 94 return ext2fs_read_bb_FILE2(fs, f, bb_list, (void *) invalid, 95 call_compat_invalid); 96} 97