Add graph references

2026-06-28 13:49:01 +01:00
parent 0a9807e448
commit a11edf0c53
2578 changed files with 868045 additions and 0 deletions
@@ -0,0 +1,62 @@
+/*
+   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;
+}