1 /* Barebones heap implementation supporting only insert and pop. 2 3 Copyright (C) 2010-2023 Free Software Foundation, Inc. 4 5 This program is free software: you can redistribute it and/or modify 6 it under the terms of the GNU General Public License as published by 7 the Free Software Foundation; either version 3 of the License, or 8 (at your option) any later version. 9 10 This program is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 GNU General Public License for more details. 14 15 You should have received a copy of the GNU General Public License 16 along with this program. If not, see <https://www.gnu.org/licenses/>. */ 17 18 /* Full implementation: GDSL (http://gna.org/projects/gdsl/) by Nicolas 19 Darnis <ndarnis@free.fr>. Adapted by Gene Auyeung. */ 20 21 #include <stddef.h> 22 23 struct heap; 24 25 void heap_free (struct heap *) _GL_ATTRIBUTE_NONNULL (); 26 27 struct heap *heap_alloc (int (*) (void const *, void const *), size_t) 28 _GL_ATTRIBUTE_MALLOC _GL_ATTRIBUTE_DEALLOC (heap_free, 1) 29 _GL_ATTRIBUTE_RETURNS_NONNULL; 30 31 int heap_insert (struct heap *heap, void *item) _GL_ATTRIBUTE_NONNULL (); 32 void *heap_remove_top (struct heap *heap) _GL_ATTRIBUTE_NONNULL (); 33