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-rw-r--r--include/apr_file_io.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/apr_file_io.h b/include/apr_file_io.h
index 59a502d76..4611b1a15 100644
--- a/include/apr_file_io.h
+++ b/include/apr_file_io.h
@@ -324,6 +324,10 @@ APR_DECLARE(apr_status_t) apr_file_copy(const char *from_path,
* file's permissions are copied.
* @param pool The pool to use.
* @remark The new file does not need to exist, it will be created if required.
+ * @remark Note that advanced filesystem permissions such as ACLs are not
+ * duplicated by this API. The target permissions (including duplicating the
+ * source file permissions) are assigned only when the target file does not yet
+ * exist.
*/
APR_DECLARE(apr_status_t) apr_file_append(const char *from_path,
const char *to_path,