gcc/libgfortran/intrinsics/reshape_packed.c
2004-05-13 02:41:07 -04:00

47 lines
1.5 KiB
C

/* Implementation of the RESHAPE intrinsic for packed arrays
Copyright 2002 Free Software Foundation, Inc.
Contributed by Paul Brook <paul@nowt.org>
This file is part of the GNU Fortran 95 runtime library (libgfor).
Libgfor 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.
Ligbfor 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 libgfor; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include "config.h"
#include "libgfortran.h"
#include <string.h>
/* Reshape function where all arrays are packed. Basically just memcpy. */
void
reshape_packed (char * ret, index_type rsize, const char * source,
index_type ssize, const char * pad, index_type psize)
{
index_type size;
size = (rsize > ssize) ? ssize : rsize;
memcpy (ret, source, size);
ret += size;
rsize -= size;
while (rsize > 0)
{
size = (rsize > psize) ? psize : rsize;
memcpy (ret, pad, size);
ret += size;
rsize -= size;
}
}