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Diffstat (limited to 'e2fslib/read_bb_file.c')
-rw-r--r--e2fslib/read_bb_file.c96
1 files changed, 96 insertions, 0 deletions
diff --git a/e2fslib/read_bb_file.c b/e2fslib/read_bb_file.c
new file mode 100644
index 0000000..7f54d6e
--- /dev/null
+++ b/e2fslib/read_bb_file.c
@@ -0,0 +1,96 @@
+/*
+ * 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 *private,
+ void (*invalid)(ext2_filsys fs,
+ blk_t blk,
+ char *badstr,
+ void *private))
+{
+ 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, private);
+ 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, void *private)
+{
+ void (*invalid)(ext2_filsys, blk_t);
+
+ invalid = (void (*)(ext2_filsys, blk_t)) private;
+ 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);
+}
+
+