From: Sven Hoexter <sven@stormbind.net>
Date: Tue, 5 Feb 2013 20:11:50 +0000 (+0100)
Subject: Imported Upstream version 1.0.1
X-Git-Tag: upstream/1.0.1
X-Git-Url: https://git.sven.stormbind.net/?a=commitdiff_plain;h=2e575b1e5483257e1f38b52d14c5ab17755aa815;p=sven%2Fexfat-utils.git

Imported Upstream version 1.0.1
---

diff --git a/ChangeLog b/ChangeLog
index e24b2d6..adbf727 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+1.0.1 (2013-02-02)
+
+* Fixed unexpected removal of a directory if it is moved into itself.
+* Fixed "Operation not permitted" error on reading an empty file.
+
 1.0.0 (2013-01-19)
 
 * Fixed crash when renaming a file within a single directory and a new name
diff --git a/libexfat/io.c b/libexfat/io.c
index 1a555b9..4413aaa 100644
--- a/libexfat/io.c
+++ b/libexfat/io.c
@@ -341,7 +341,7 @@ ssize_t exfat_generic_pread(const struct exfat* ef, struct exfat_node* node,
 	}
 	if (!ef->ro && !ef->noatime)
 		exfat_update_atime(node);
-	return size - remainder;
+	return MIN(size, node->size - offset) - remainder;
 }
 
 ssize_t exfat_generic_pwrite(struct exfat* ef, struct exfat_node* node,
diff --git a/libexfat/node.c b/libexfat/node.c
index cce1de7..bc342b7 100644
--- a/libexfat/node.c
+++ b/libexfat/node.c
@@ -905,6 +905,23 @@ int exfat_rename(struct exfat* ef, const char* old_path, const char* new_path)
 		exfat_put_node(ef, node);
 		return rc;
 	}
+
+	/* check that target is not a subdirectory of the source */
+	if (node->flags & EXFAT_ATTRIB_DIR)
+	{
+		struct exfat_node* p;
+
+		for (p = dir; p; p = p->parent)
+			if (node == p)
+			{
+				if (existing != NULL)
+					exfat_put_node(ef, existing);
+				exfat_put_node(ef, dir);
+				exfat_put_node(ef, node);
+				return -EINVAL;
+			}
+	}
+
 	if (existing != NULL)
 	{
 		/* remove target if it's not the same node as source */
diff --git a/libexfat/version.h b/libexfat/version.h
index b795e91..debd185 100644
--- a/libexfat/version.h
+++ b/libexfat/version.h
@@ -23,6 +23,6 @@
 
 #define EXFAT_VERSION_MAJOR 1
 #define EXFAT_VERSION_MINOR 0
-#define EXFAT_VERSION_PATCH 0
+#define EXFAT_VERSION_PATCH 1
 
 #endif /* ifndef VERSION_H_INCLUDED */