Many files:
Checkin of e2fsprogs 0.5b
diff --git a/e2fsck/ehandler.c b/e2fsck/ehandler.c
new file mode 100644
index 0000000..96aedfb
--- /dev/null
+++ b/e2fsck/ehandler.c
@@ -0,0 +1,111 @@
+/*
+ * ehandler.c --- handle bad block errors which come up during the
+ * course of an e2fsck session.
+ *
+ * Copyright (C) 1994 Theodore Ts'o. This file may be redistributed
+ * under the terms of the GNU Public License.
+ */
+
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <ctype.h>
+#include <termios.h>
+#include <sys/resource.h>
+
+#include "e2fsck.h"
+
+static const char *operation;
+
+static errcode_t e2fsck_handle_read_error(io_channel channel,
+ unsigned long block,
+ int count,
+ void *data,
+ size_t size,
+ int actual,
+ errcode_t error)
+{
+ int i;
+ char *p;
+
+ /*
+ * If more than one block was read, try reading each block
+ * separately. We could use the actual bytes read to figure
+ * out where to start, but we don't bother.
+ */
+ if (count > 1) {
+ p = (char *) data;
+ for (i=0; i < count; i++, p += channel->block_size, block++) {
+ error = io_channel_read_blk(channel, block,
+ 1, p);
+ if (error)
+ return error;
+ }
+ return 0;
+ }
+ if (operation)
+ printf("Error reading block %ld (%s) while %s. ", block,
+ error_message(error), operation);
+ else
+ printf("Error reading block %ld (%s). ", block,
+ error_message(error));
+ preenhalt();
+ if (ask("Ignore error", 1))
+ return 0;
+
+ return error;
+}
+
+static errcode_t e2fsck_handle_write_error(io_channel channel,
+ unsigned long block,
+ int count,
+ const void *data,
+ size_t size,
+ int actual,
+ errcode_t error)
+{
+ int i;
+ const char *p;
+
+ /*
+ * If more than one block was written, try writing each block
+ * separately. We could use the actual bytes read to figure
+ * out where to start, but we don't bother.
+ */
+ if (count > 1) {
+ p = (const char *) data;
+ for (i=0; i < count; i++, p += channel->block_size, block++) {
+ error = io_channel_write_blk(channel, block,
+ 1, p);
+ if (error)
+ return error;
+ }
+ return 0;
+ }
+
+ if (operation)
+ printf("Error writing block %ld (%s) while %s. ", block,
+ error_message(error), operation);
+ else
+ printf("Error writing block %ld (%s). ", block,
+ error_message(error));
+ preenhalt();
+ if (ask("Ignore error", 1))
+ return 0;
+
+ return error;
+}
+
+const char *ehandler_operation(const char *op)
+{
+ const char *ret = operation;
+
+ operation = op;
+ return ret;
+}
+
+void ehandler_init(io_channel channel)
+{
+ channel->read_error = e2fsck_handle_read_error;
+ channel->write_error = e2fsck_handle_write_error;
+}