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/*
Copyright (C) 1996 John W. Eaton
This file is part of Octave.
Octave 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; either version 2, or (at your option) any
later version.
Octave 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 General Public License
for more details.
You should have received a copy of the GNU General Public License
along with Octave; see the file COPYING. If not, write to the Free
Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#if !defined (octave_byte_swap_h)
#define octave_byte_swap_h 1
static inline void
swap_bytes (char *t, unsigned int i, unsigned int j)
{
char tmp = t[i];
t[i] = t[j];
t[j] = tmp;
}
static inline void
swap_2_bytes (char *t)
{
swap_bytes (t, 0, 1);
}
static inline void
swap_4_bytes (char *t)
{
swap_bytes (t, 0, 3);
swap_bytes (t, 1, 2);
}
static inline void
swap_8_bytes (char *t)
{
swap_bytes (t, 0, 7);
swap_bytes (t, 1, 6);
swap_bytes (t, 2, 5);
swap_bytes (t, 3, 4);
}
static inline void
swap_2_bytes (char *t, int len)
{
char *ptr = t;
for (int i = 0; i < len; i++)
{
swap_2_bytes (ptr);
ptr += 2;
}
}
static inline void
swap_4_bytes (char *t, int len)
{
char *ptr = t;
for (int i = 0; i < len; i++)
{
swap_4_bytes (ptr);
ptr += 4;
}
}
static inline void
swap_8_bytes (char *t, int len)
{
char *ptr = t;
for (int i = 0; i < len; i++)
{
swap_8_bytes (ptr);
ptr += 8;
}
}
#endif
/*
;;; Local Variables: ***
;;; mode: C++ ***
;;; End: ***
*/
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