Library functions for manipulating initramfs

Library support for constructing initramfs.  This version is *not*
complete, as it doesn't take into account alignment requirements
properly.

1 files changed, 47 insertions, 0 deletions

diff --git a/com32/lib/syslinux/initramfs_archive.c b/com32/lib/syslinux/initramfs_archive.c
new file mode 100644
index 00000000..903ef864
--- /dev/null
+++ b/com32/lib/syslinux/initramfs_archive.c
@@ -0,0 +1,47 @@
+/* ----------------------------------------------------------------------- *
+ *
+ *   Copyright 2007 H. Peter Anvin - All Rights Reserved
+ *
+ *   Permission is hereby granted, free of charge, to any person
+ *   obtaining a copy of this software and associated documentation
+ *   files (the "Software"), to deal in the Software without
+ *   restriction, including without limitation the rights to use,
+ *   copy, modify, merge, publish, distribute, sublicense, and/or
+ *   sell copies of the Software, and to permit persons to whom
+ *   the Software is furnished to do so, subject to the following
+ *   conditions:
+ *
+ *   The above copyright notice and this permission notice shall
+ *   be included in all copies or substantial portions of the Software.
+ *
+ *   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ *   EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+ *   OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ *   NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+ *   HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ *   WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ *   FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ *   OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * ----------------------------------------------------------------------- */
+
+/*
+ * initramfs_archive.c
+ *
+ * Utility function to load an initramfs archive.
+ */
+
+#include <stdlib.h>
+#include <syslinux/loadfile.h>
+#include <syslinux/linux.h>
+
+int initramfs_load_archive(struct initramfs *ihead, const char *filename)
+{
+  void *data;
+  size_t len;
+
+  if (loadfile(filename, &data, &len))
+    return -1;
+
+  return initramfs_add_data(ihead, data, len, len);
+}