gambas-source-code/main/share/gb_common_swap_temp.h
Benoît Minisini a3d6ba73e5 [INTERPRETER]
* NEW: Do not use "boolean" anymore. Use "bool" instead.

[COMPILER]
* NEW: Do not use "boolean" anymore. Use "bool" instead.



git-svn-id: svn://localhost/gambas/trunk@2091 867c0c6c-44f3-4631-809d-bfa615b0a4ec
2009-07-08 19:57:50 +00:00

78 lines
1.6 KiB
C

/***************************************************************************
gb_common_swap_temp.h
common useful routines template
Datatype management routines. Conversions between each Gambas datatype,
and conversions between Gambas datatypes and native datatypes.
(c) 2000-2007 Benoit Minisini <gambas@users.sourceforge.net>
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; either version 1, or (at your option)
any later version.
This program 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 this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
***************************************************************************/
void SWAP_int(int *val)
{
char *p = (char *)val;
char t1, t2;
t1 = p[0];
t2 = p[1];
p[0] = p[3];
p[1] = p[2];
p[3] = t1;
p[2] = t2;
}
void SWAP_ints(int *val, int n)
{
while (n > 0)
{
SWAP_int(val);
val++;
n--;
}
}
void SWAP_short(short *val)
{
char *p = (char *)val;
char t;
t = p[0];
p[0] = p[1];
p[1] = t;
}
void SWAP_double(double *val)
{
char *p = (char *)val;
char t;
int i, j;
for (i = 0; i < 4; i++)
{
j = i ^ 7;
t = p[i];
p[i] = p[j];
p[j] = t;
}
}