1 files changed, 61 insertions, 0 deletions
diff --git a/include/rtems/untar.h b/include/rtems/untar.h
new file mode 100644
index 0000000000..c1f71dce00
--- /dev/null
+++ b/include/rtems/untar.h
@@ -0,0 +1,61 @@
+/**
+ * @file
+ *
+ * @brief Untar an Image
+ * 
+ * This file defines the interface to methods which can untar an image.
+ */
+
+/*
+ *  Written by: Jake Janovetz <janovetz@tempest.ece.uiuc.edu>
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.rtems.org/license/LICENSE.
+ */
+
+#ifndef _RTEMS_UNTAR_H
+#define _RTEMS_UNTAR_H
+
+#include <stddef.h>
+#include <tar.h>
+
+/**
+ *  @defgroup libmisc_untar_img Untar Image
+ *
+ *  @ingroup libmisc
+ */
+/**@{*/
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define UNTAR_SUCCESSFUL         0
+#define UNTAR_FAIL               1
+#define UNTAR_INVALID_CHECKSUM   2
+#define UNTAR_INVALID_HEADER     3
+
+
+int Untar_FromMemory(void *tar_buf, size_t size);
+int Untar_FromFile(const char *tar_name);
+
+/**************************************************************************
+ * This converts octal ASCII number representations into an
+ * unsigned long.  Only support 32-bit numbers for now.
+ *************************************************************************/
+extern unsigned long
+_rtems_octal2ulong(const char *octascii, size_t len);
+
+/************************************************************************
+ * Compute the TAR checksum and check with the value in
+ * the archive.  The checksum is computed over the entire
+ * header, but the checksum field is substituted with blanks.
+ ************************************************************************/
+extern int
+_rtems_tar_header_checksum(const char *bufr);
+
+#ifdef __cplusplus
+}
+#endif
+/**@}*/
+#endif  /* _RTEMS_UNTAR_H */