new internal image deletion helper

[wimlib] / src / mount_image.c

diff --git a/src/mount_image.c b/src/mount_image.c
index 734afe48073c21bdabcab74a89390e6fa43e3161..2daebba317bf90f22c57125668d7f94580b84a51 100644 (file)
--- a/src/mount_image.c
+++ b/src/mount_image.c
@@ -10,20 +10,18 @@
 /*
  * Copyright (C) 2012, 2013, 2014 Eric Biggers
  *
- * This file is part of wimlib, a library for working with WIM files.
+ * This file is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU Lesser General Public License as published by the Free
+ * Software Foundation; either version 3 of the License, or (at your option) any
+ * later version.
  *
- * wimlib is free software; you can redistribute it and/or modify it under the
- * terms of the GNU General Public License as published by the Free
- * Software Foundation; either version 3 of the License, or (at your option)
- * any later version.
- *
- * wimlib is distributed in the hope that it will be useful, but WITHOUT ANY
- * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
- * A PARTICULAR PURPOSE. See the GNU General Public License for more
+ * This file is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
  * details.
  *
- * You should have received a copy of the GNU General Public License
- * along with wimlib; if not, see http://www.gnu.org/licenses/.
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this file; if not, see http://www.gnu.org/licenses/.
  */
 
 #ifdef HAVE_CONFIG_H
@@ -596,7 +594,7 @@ inode_to_stbuf(const struct wim_inode *inode,
        stbuf->st_mtime = wim_timestamp_to_unix(inode->i_last_write_time);
        stbuf->st_ctime = stbuf->st_mtime;
 #endif
-       stbuf->st_blocks = (stbuf->st_size + 511) / 512;
+       stbuf->st_blocks = DIV_ROUND_UP(stbuf->st_size, 512);
        return 0;
 }
 
@@ -1146,7 +1144,7 @@ commit_image(struct wimfs_context *ctx, int unmount_flags, mqd_t mq)
        return wimlib_overwrite(ctx->wim, write_flags, 0);
 }
 
-/* In the case of an allow_other mount, only the owner and root should be
+/* In the case of an allow_other mount, only the mount owner and root are
  * allowed to unmount the filesystem.  */
 static bool
 may_unmount_wimfs(void)
@@ -2102,7 +2100,7 @@ wimlib_mount_image(WIMStruct *wim, int image, const char *dir,
        if (mount_flags & WIMLIB_MOUNT_FLAG_READWRITE) {
                if (!wim->filename)
                        return WIMLIB_ERR_NO_FILENAME;
-               ret = can_delete_from_wim(wim);
+               ret = can_modify_wim(wim);
                if (ret)
                        return ret;
        }
@@ -2437,7 +2435,7 @@ do_unmount_commit(const char *dir, int unmount_flags,
                ret = do_unmount(dir);
        if (progfunc) {
                /* Terminate the progress thread.  */
-               char empty[0];
+               char empty[1];
                mq_send(mq, empty, 0, 1);
                pthread_join(commit_progress_tid, NULL);
        }