source: rtems/testsuites/sptests/sp13/fillbuff.c

/* SPDX-License-Identifier: BSD-2-Clause */

/*  Fill_buffer
 *
 *  This test routine copies a given source string to a given destination
 *  buffer.
 *
 *  Input parameters:
 *    source - pointer to string to be copied
 *    buffer - pointer to message buffer to be filled
 *
 *  Output parameters:  NONE
 *
 *  COPYRIGHT (c) 1989-1999.
 *  On-Line Applications Research Corporation (OAR).
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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 */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include "system.h"

void Fill_buffer(
  char *source,
  long *buffer
)
{
  char *p;
  int i, j;

  p = source;
  for ( i = 0 ; i < MESSAGE_SIZE / sizeof(long) ; i++ ) {
    buffer[i] = 0;
    for ( j = sizeof(long) - 1; j >= 0; j-- ) {
      buffer[i] |= *p++ << (8 * j);
    }
  }
}