1 files changed, 112 insertions, 0 deletions
diff --git a/contrib/syslinux-4.02/libfat/ulint.h b/contrib/syslinux-4.02/libfat/ulint.h
new file mode 100644
index 0000000..c2fadb7
--- /dev/null
+++ b/contrib/syslinux-4.02/libfat/ulint.h
@@ -0,0 +1,112 @@
+/* ----------------------------------------------------------------------- *
+ *
+ *   Copyright 2001-2008 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., 675 Mass Ave, Cambridge MA 02139,
+ *   USA; either version 2 of the License, or (at your option) any later
+ *   version; incorporated herein by reference.
+ *
+ * ----------------------------------------------------------------------- */
+
+/*
+ * ulint.h
+ *
+ * Basic operations on unaligned, littleendian integers
+ */
+
+#ifndef ULINT_H
+#define ULINT_H
+
+#include <inttypes.h>
+
+/* These are unaligned, littleendian integer types */
+
+typedef uint8_t le8_t;		/*  8-bit byte */
+typedef uint8_t le16_t[2];	/* 16-bit word */
+typedef uint8_t le32_t[4];	/* 32-bit dword */
+
+/* Read/write these quantities */
+
+static inline unsigned char read8(le8_t * _p)
+{
+    return *_p;
+}
+
+static inline void write8(le8_t * _p, uint8_t _v)
+{
+    *_p = _v;
+}
+
+#if defined(__i386__) || defined(__x86_64__)
+
+/* Littleendian architectures which support unaligned memory accesses */
+
+static inline unsigned short read16(le16_t * _p)
+{
+    return *((const uint16_t *)_p);
+}
+
+static inline void write16(le16_t * _p, unsigned short _v)
+{
+    *((uint16_t *) _p) = _v;
+}
+
+static inline unsigned int read32(le32_t * _p)
+{
+    return *((const uint32_t *)_p);
+}
+
+static inline void write32(le32_t * _p, uint32_t _v)
+{
+    *((uint32_t *) _p) = _v;
+}
+
+#else
+
+/* Generic, mostly portable versions */
+
+static inline unsigned short read16(le16_t * _pp)
+{
+    uint8_t *_p = *_pp;
+    uint16_t _v;
+
+    _v = _p[0];
+    _v |= _p[1] << 8;
+    return _v;
+}
+
+static inline void write16(le16_t * _pp, uint16_t _v)
+{
+    uint8_t *_p = *_pp;
+
+    _p[0] = _v & 0xFF;
+    _p[1] = (_v >> 8) & 0xFF;
+}
+
+static inline unsigned int read32(le32_t * _pp)
+{
+    uint8_t *_p = *_pp;
+    uint32_t _v;
+
+    _v = _p[0];
+    _v |= _p[1] << 8;
+    _v |= _p[2] << 16;
+    _v |= _p[3] << 24;
+    return _v;
+}
+
+static inline void write32(le32_t * _pp, uint32_t _v)
+{
+    uint8_t *_p = *_pp;
+
+    _p[0] = _v & 0xFF;
+    _p[1] = (_v >> 8) & 0xFF;
+    _p[2] = (_v >> 16) & 0xFF;
+    _p[3] = (_v >> 24) & 0xFF;
+}
+
+#endif
+
+#endif /* ULINT_H */