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/*
* NAppGUI Cross-platform C SDK
* 2015-2025 Francisco Garcia Collado
* MIT Licence
* https://nappgui.com/en/legal/license.html
*
* File: ptr.c
*
*/
/* Safety pointer manipulation */
#include "cassert.h"
#include "ptr.h"
/*---------------------------------------------------------------------------*/
void *ptr_dget_imp(void **dptr)
{
void *pointer = NULL;
cassert_no_null(dptr);
pointer = *dptr;
*dptr = NULL;
return pointer;
}
/*---------------------------------------------------------------------------*/
void *ptr_dget_no_null_imp(void **dptr)
{
void *pointer = NULL;
cassert_no_null(dptr);
cassert_no_null(*dptr);
pointer = *dptr;
*dptr = NULL;
return pointer;
}
/*---------------------------------------------------------------------------*/
void ptr_destopt_imp(void **dptr, FPtr_destroy func_destroy)
{
cassert_no_null(dptr);
cassert_no_nullf(func_destroy);
if (*dptr != NULL)
func_destroy(dptr);
}
/*---------------------------------------------------------------------------*/
void *ptr_copyopt_imp(void *ptr, FPtr_copy func_copy)
{
cassert_no_nullf(func_copy);
if (ptr != NULL)
return func_copy(ptr);
else
return NULL;
}