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%% options
copyright owner = Dirk Krause
copyright year = 2015-xxxx
SPDX-License-Identifier: BSD-3-Clause
%% header
/** @file dk4memcpl.h Copy memory within buffer from right to left.
*/
#ifndef DK4CONF_H_INCLUDED
#if DK4_BUILDING_DKTOOLS4
#include "dk4conf.h"
#else
#include <dktools-4/dk4conf.h>
#endif
#endif
#ifndef DK4ERROR_H_INCLUDED
#if DK4_BUILDING_DKTOOLS4
#include "dk4error.h"
#else
#include <dktools-4/dk4error.h>
#endif
#endif
#ifdef __cplusplus
extern "C" {
#endif
/** Copy memory from right to left.
CRT on Windows: Not used.
@param dst Destination buffer address.
@param src Source buffer address.
@param sz Number of bytes to copy.
@param erp Error report, may be NULL.
*/
void
dk4mem_cpy_to_left(void *dst, const void *src, size_t sz, dk4_er_t *erp);
#ifdef __cplusplus
}
#endif
%% module
#include "dk4conf.h"
#if DK4_HAVE_ASSERT_H
#ifndef ASSERT_H_INCLUDED
#include <assert.h>
#define ASSERT_H_INCLUDED 1
#endif
#endif
#include "dk4memcpl.h"
void
dk4mem_cpy_to_left(void *dst, const void *src, size_t sz, dk4_er_t *erp)
{
unsigned char *dptr;
const unsigned char *sptr;
#if DK4_USE_ASSERT
assert(NULL != dst);
assert(NULL != src);
assert(0 < sz);
#endif
if ((NULL != dst) && (NULL != src) && (0 < sz)) {
dptr = (unsigned char *)dst; sptr = (const unsigned char *)src;
while (0 < sz--) { *(dptr++) = *(sptr++); }
} else {
dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS);
}
}
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