Extend floating point support

[babeltrace.git] / include / ctf / ctf-types-bitfield.h

diff --git a/include/ctf/ctf-types-bitfield.h b/include/ctf/ctf-types-bitfield.h
index 4657a28fa7d4bbf035d26d4458e92d29503c535c..82ee1120192858cd3d10ed134e898ee1cd6d0d9f 100644 (file)
--- a/include/ctf/ctf-types-bitfield.h
+++ b/include/ctf/ctf-types-bitfield.h
@@ -6,25 +6,56 @@
  *
  * Bitfields read/write functions.
  *
- * Copyright 2010 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ * Copyright (c) 2010 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
  *
- * Dual LGPL v2.1/GPL v2 license.
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 #include <ctf/bitfield.h>
 #include <endian.h>
 
-/*
- * ctf_bitfield_unsigned_read and ctf_bitfield_signed_read are defined by
- * bitfield.h.
- *
- * The write primitives below are provided as wrappers over
- * ctf_bitfield_write_le and ctf_bitfield_write_be to specify per-byte write of
- * signed/unsigned integers through a standard API.
- */
+static inline
+uint64_t ctf_bitfield_unsigned_read(const unsigned char *ptr,
+                                   unsigned long start, unsigned long len,
+                                   int byte_order)
+{
+       uint64_t v;
+
+       if (byte_order == LITTLE_ENDIAN)
+               ctf_bitfield_read_le(ptr, start, len, &v);
+       else
+               ctf_bitfield_read_be(ptr, start, len, &v);
+       return v;
+}
+
+static inline
+int64_t ctf_bitfield_signed_read(const unsigned char *ptr,
+                                unsigned long start, unsigned long len,
+                                int byte_order)
+{
+       int64_t v;
+
+       if (byte_order == LITTLE_ENDIAN)
+               ctf_bitfield_read_le(ptr, start, len, &v);
+       else
+               ctf_bitfield_read_be(ptr, start, len, &v);
+       return v;
+}
 
 static inline
-size_t ctf_bitfield_unsigned_write(uint8_t *ptr,
+size_t ctf_bitfield_unsigned_write(unsigned char *ptr,
                                   unsigned long start, unsigned long len,
                                   int byte_order, uint64_t v)
 {
@@ -39,7 +70,7 @@ end:
 }
 
 static inline
-size_t ctf_bitfield_signed_write(uint8_t *ptr,
+size_t ctf_bitfield_signed_write(unsigned char *ptr,
                                 unsigned long start, unsigned long len,
                                 int byte_order, int64_t v)
 {