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/*
igraph library.
Copyright (C) 2021-2024 The igraph development team <igraph@igraph.org>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include <igraph.h>
#include "test_utilities.h"
int main(void) {
int *a;
char *b;
/* Macros */
a = IGRAPH_CALLOC(0, int);
IGRAPH_ASSERT(a);
a = IGRAPH_REALLOC(a, 0, int);
IGRAPH_ASSERT(a);
IGRAPH_FREE(a);
IGRAPH_ASSERT(!a); /* IGRAPH_FREE(a) sets 'a' to NULL */
/* We use type 'char' to work around warnings from some moderns compilers such as Clang 22:
* error: allocation of insufficient size '1' for type 'int' with size '4' [-Werror,-Walloc-size] */
b = IGRAPH_MALLOC(0);
IGRAPH_ASSERT(b);
IGRAPH_FREE(b);
IGRAPH_ASSERT(!b);
/* Functions */
a = igraph_calloc(0, sizeof(*a));
IGRAPH_ASSERT(a);
a = igraph_realloc(a, 0);
IGRAPH_ASSERT(a);
igraph_free(a);
a = igraph_malloc(0);
IGRAPH_ASSERT(a);
igraph_free(a);
VERIFY_FINALLY_STACK();
return 0;
}
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