1 files changed, 76 insertions, 0 deletions
diff --git a/contrib/syslinux-4.02/com32/lib/syslinux/initramfs.c b/contrib/syslinux-4.02/com32/lib/syslinux/initramfs.c
new file mode 100644
index 0000000..220e162
--- /dev/null
+++ b/contrib/syslinux-4.02/com32/lib/syslinux/initramfs.c
@@ -0,0 +1,76 @@
+/* ----------------------------------------------------------------------- *
+ *
+ *   Copyright 2007-2008 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.c
+ *
+ * Utility functions for initramfs manipulation
+ */
+
+#include <stdlib.h>
+#include <syslinux/linux.h>
+
+struct initramfs *initramfs_init(void)
+{
+    struct initramfs *ir;
+
+    ir = calloc(sizeof(*ir), 1);
+    if (!ir)
+	return NULL;
+
+    ir->prev = ir->next = ir;
+    return ir;
+}
+
+int initramfs_add_data(struct initramfs *ihead, const void *data,
+		       size_t data_len, size_t len, size_t align)
+{
+    struct initramfs *in;
+
+    if (!len)
+	return 0;		/* Nothing to add... */
+
+    /* Alignment must be a power of 2, and <= INITRAMFS_MAX_ALIGN */
+    if (!align || (align & (align - 1)) || align > INITRAMFS_MAX_ALIGN)
+	return -1;
+
+    in = malloc(sizeof(*in));
+    if (!in)
+	return -1;
+
+    in->len = len;
+    in->data = data;
+    in->data_len = data_len;
+    in->align = align;
+
+    in->next = ihead;
+    in->prev = ihead->prev;
+    ihead->prev->next = in;
+    ihead->prev = in;
+
+    return 0;
+}