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//
// An STL-ish vector without templates for the Fast Light Tool Kit (FLTK).
//
// Copyright 2002 by Greg Ercolano.
// Copyright 2022 by Bill Spitzak and others.
//
// This library is free software. Distribution and use rights are outlined in
// the file "COPYING" which should have been included with this file. If this
// file is missing or damaged, see the license at:
//
// https://www.fltk.org/COPYING.php
//
// Please see the following page on how to report bugs and issues:
//
// https://www.fltk.org/bugs.php
//
#include <FL/Fl_Int_Vector.H>
#include <stdlib.h>
/**
Make a copy of another array.
Private: For use internally by the class's copy ctors only.
*/
void Fl_Int_Vector::copy(int *newarr, unsigned int newsize) {
size(newsize);
memcpy(arr_, newarr, newsize * sizeof(int));
}
/** Destructor - frees the internal array and destroys the class. */
Fl_Int_Vector::~Fl_Int_Vector() {
if (arr_)
free(arr_);
}
/**
Set the size of the array to \p count.
A size of zero empties the array completely and frees all memory.
\warning
- Only advised use currently is to shrink the array size, i.e. (count < size()).
- Currently enlarging the array leaves the new values uninitialized.
- When assignment via indexes is supported, i.e. v[x] = 123, array enlargement should zero new values
\todo Check if count > size, and if so init new values to 0.
*/
void Fl_Int_Vector::size(unsigned int count) {
if (count <= 0) {
if (arr_)
free(arr_);
arr_ = 0;
size_ = 0;
return;
}
if (count > size_) {
arr_ = (int *)realloc(arr_, count * sizeof(int));
size_ = count;
}
}
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