1 files changed, 85 insertions, 0 deletions
diff --git a/contrib/syslinux-4.02/libfat/libfat.h b/contrib/syslinux-4.02/libfat/libfat.h
new file mode 100644
index 0000000..a0179d7
--- /dev/null
+++ b/contrib/syslinux-4.02/libfat/libfat.h
@@ -0,0 +1,85 @@
+/* ----------------------------------------------------------------------- *
+ *
+ *   Copyright 2004-2008 H. Peter Anvin - All Rights Reserved
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, Inc., 53 Temple Place Ste 330,
+ *   Boston MA 02111-1307, USA; either version 2 of the License, or
+ *   (at your option) any later version; incorporated herein by reference.
+ *
+ * ----------------------------------------------------------------------- */
+
+/*
+ * libfat.h
+ *
+ * Headers for the libfat library
+ */
+
+#ifndef LIBFAT_H
+#define LIBFAT_H
+
+#include <stddef.h>
+#include <inttypes.h>
+
+#define LIBFAT_SECTOR_SHIFT	9
+#define LIBFAT_SECTOR_SIZE	512
+#define LIBFAT_SECTOR_MASK	511
+
+typedef uint64_t libfat_sector_t;
+struct libfat_filesystem;
+
+struct libfat_direntry {
+    libfat_sector_t sector;
+    int offset;
+    unsigned char entry[32];
+};
+
+/*
+ * Open the filesystem.  The readfunc is the function to read
+ * sectors, in the format:
+ * int readfunc(intptr_t readptr, void *buf, size_t secsize,
+ *              libfat_sector_t secno)
+ *
+ * ... where readptr is a private argument.
+ *
+ * A return value of != secsize is treated as error.
+ */
+struct libfat_filesystem
+    *libfat_open(int (*readfunc) (intptr_t, void *, size_t, libfat_sector_t),
+		 intptr_t readptr);
+
+void libfat_close(struct libfat_filesystem *);
+
+/*
+ * Convert a cluster number (or 0 for the root directory) to a
+ * sector number.  Return -1 on failure.
+ */
+libfat_sector_t libfat_clustertosector(const struct libfat_filesystem *fs,
+				       int32_t cluster);
+
+/*
+ * Get the next sector of either the root directory or a FAT chain.
+ * Returns 0 on end of file and -1 on error.
+ */
+libfat_sector_t libfat_nextsector(struct libfat_filesystem *fs,
+				  libfat_sector_t s);
+
+/*
+ * Flush all cached sectors for this filesystem.
+ */
+void libfat_flush(struct libfat_filesystem *fs);
+
+/*
+ * Get a pointer to a specific sector.
+ */
+void *libfat_get_sector(struct libfat_filesystem *fs, libfat_sector_t n);
+
+/*
+ * Search a FAT directory for a particular pre-mangled filename.
+ * Copies the directory entry into direntry and returns 0 if found.
+ */
+int32_t libfat_searchdir(struct libfat_filesystem *fs, int32_t dirclust,
+			 const void *name, struct libfat_direntry *direntry);
+
+#endif /* LIBFAT_H */