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authorTavian Barnes <tavianator@tavianator.com>2014-08-19 17:10:03 -0400
committerTavian Barnes <tavianator@tavianator.com>2015-10-25 11:03:56 -0400
commit7b09710392d35fb55b52031d447a542d99fc6b4b (patch)
tree270eb927ee8c52ceeb99926ebf4843704775a610 /libdimension/base/malloc.c
parent200c86b91ea7063d35be3bffc11c5da53c054653 (diff)
downloaddimension-7b09710392d35fb55b52031d447a542d99fc6b4b.tar.xz
Modularize the libdimension codebase.
Diffstat (limited to 'libdimension/base/malloc.c')
-rw-r--r--libdimension/base/malloc.c94
1 files changed, 94 insertions, 0 deletions
diff --git a/libdimension/base/malloc.c b/libdimension/base/malloc.c
new file mode 100644
index 0000000..6aaf68c
--- /dev/null
+++ b/libdimension/base/malloc.c
@@ -0,0 +1,94 @@
+/*************************************************************************
+ * Copyright (C) 2010-2014 Tavian Barnes <tavianator@tavianator.com> *
+ * *
+ * This file is part of The Dimension Library. *
+ * *
+ * The Dimension Library is free software; you can redistribute it and/ *
+ * or modify it under the terms of the GNU Lesser General Public License *
+ * as published by the Free Software Foundation; either version 3 of the *
+ * License, or (at your option) any later version. *
+ * *
+ * The Dimension Library 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 *
+ * Lesser General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU Lesser General Public *
+ * License along with this program. If not, see *
+ * <http://www.gnu.org/licenses/>. *
+ *************************************************************************/
+
+/**
+ * @file
+ * Dynamic memory.
+ */
+
+#include "internal.h"
+#include <stdlib.h>
+#include <string.h>
+#include <stdatomic.h>
+
+#if DMNSN_DEBUG
+static atomic_size_t dmnsn_allocs = ATOMIC_VAR_INIT(0);
+#endif
+
+void *
+dmnsn_malloc(size_t size)
+{
+ void *ptr = malloc(size);
+ if (!ptr) {
+ dmnsn_error("Memory allocation failed.");
+ }
+
+#if DMNSN_DEBUG
+ atomic_fetch_add(&dmnsn_allocs, 1);
+#endif
+
+ return ptr;
+}
+
+void *
+dmnsn_realloc(void *ptr, size_t size)
+{
+#if DMNSN_DEBUG
+ if (!ptr) {
+ atomic_fetch_add(&dmnsn_allocs, 1);
+ }
+#endif
+
+ ptr = realloc(ptr, size);
+ if (!ptr) {
+ dmnsn_error("Memory allocation failed.");
+ }
+ return ptr;
+}
+
+char *
+dmnsn_strdup(const char *s)
+{
+ char *copy = dmnsn_malloc(strlen(s) + 1);
+ strcpy(copy, s);
+ return copy;
+}
+
+void
+dmnsn_free(void *ptr)
+{
+#if DMNSN_DEBUG
+ if (ptr) {
+ atomic_fetch_sub(&dmnsn_allocs, 1);
+ }
+#endif
+
+ free(ptr);
+}
+
+#if DMNSN_DEBUG
+DMNSN_LATE_DESTRUCTOR static void
+dmnsn_leak_check(void)
+{
+ if (atomic_load_explicit(&dmnsn_allocs, memory_order_relaxed) > 0) {
+ dmnsn_warning("Leaking memory.");
+ }
+}
+#endif