create a simple CPIO parser for initrd's

1 files changed, 23 insertions, 0 deletions

diff --git a/include/cpio.h b/include/cpio.h
new file mode 100644
index 0000000..3bb40c0
--- /dev/null
+++ b/include/cpio.h
@@ -0,0 +1,23 @@
+#pragma once
+#include <types.h>
+#define CPIO_HEADER_LEN 110
+
+struct cpio_newc_hdr {
+    char magic[6];
+    char ino[8];
+    char mode[8];
+    char uid[8];
+    char gid[8];
+    char nlink[8];
+    char mtime[8];
+    char filesize[8];
+    char devmajor[8];
+    char devminor[8];
+    char rdevmajor[8];
+    char rdevminor[8];
+    char namesize[8];
+    char check[8];
+};
+
+void *cpio_get_file(void *archive, size_t size, const char *filename);
+