Move to babeltrace namespace

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

diff --git a/include/babeltrace/ctf/types-bitfield.h b/include/babeltrace/ctf/types-bitfield.h
new file mode 100644 (file)
index 0000000..c425a8e
--- /dev/null
+++ b/include/babeltrace/ctf/types-bitfield.h
@@ -0,0 +1,87 @@
+#ifndef _BABELTRACE_CTF_TYPES_BITFIELD_H
+#define _BABELTRACE_CTF_TYPES_BITFIELD_H
+
+/*
+ * Common Trace Format
+ *
+ * Bitfields read/write functions.
+ *
+ * Copyright (c) 2010 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ *
+ * 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>
+
+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(unsigned char *ptr,
+                                  unsigned long start, unsigned long len,
+                                  int byte_order, uint64_t v)
+{
+       if (!ptr)
+               goto end;
+       if (byte_order == LITTLE_ENDIAN)
+               ctf_bitfield_write_le(ptr, start, len, v);
+       else
+               ctf_bitfield_write_be(ptr, start, len, v);
+end:
+       return len;
+}
+
+static inline
+size_t ctf_bitfield_signed_write(unsigned char *ptr,
+                                unsigned long start, unsigned long len,
+                                int byte_order, int64_t v)
+{
+       if (!ptr)
+               goto end;
+       if (byte_order == LITTLE_ENDIAN)
+               ctf_bitfield_write_le(ptr, start, len, v);
+       else
+               ctf_bitfield_write_be(ptr, start, len, v);
+end:
+       return len;
+}
+
+#endif /* _BABELTRACE_CTF_TYPES_BITFIELD_H */