1 files changed, 84 insertions, 0 deletions
diff --git a/src/debug/sysv-heap.cpp b/src/debug/sysv-heap.cpp
new file mode 100644
index 0000000..7d21c02
--- /dev/null
+++ b/src/debug/sysv-heap.cpp
@@ -0,0 +1,84 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Inkscape::Debug::SysVHeap - malloc() statistics via System V interface
+ *
+ * Authors:
+ *   MenTaLguY <mental@rydia.net>
+ *
+ * Copyright (C) 2005 MenTaLguY
+ *
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"  // only include where actually required!
+#endif
+
+#ifdef HAVE_MALLOC_H
+# include <malloc.h>
+#endif
+
+#include "debug/sysv-heap.h"
+
+namespace Inkscape {
+namespace Debug {
+
+int SysVHeap::features() const {
+#ifdef HAVE_MALLINFO
+    return SIZE_AVAILABLE | USED_AVAILABLE;
+#else
+    return 0;
+#endif
+}
+
+Heap::Stats SysVHeap::stats() const {
+    Stats stats = { 0, 0 };
+
+#ifdef HAVE_MALLINFO
+#ifdef HAVE_MALLINFO2
+    struct mallinfo2 info=mallinfo2();
+#else
+    struct mallinfo info=mallinfo();
+#endif
+
+#ifdef HAVE_STRUCT_MALLINFO_USMBLKS
+    stats.size += info.usmblks;
+    stats.bytes_used += info.usmblks;
+#endif
+
+#ifdef HAVE_STRUCT_MALLINFO_FSMBLKS
+    stats.size += info.fsmblks;
+#endif
+
+#ifdef HAVE_STRUCT_MALLINFO_UORDBLKS
+    stats.size += info.uordblks;
+    stats.bytes_used += info.uordblks;
+#endif
+
+#ifdef HAVE_STRUCT_MALLINFO_FORDBLKS
+    stats.size += info.fordblks;
+#endif
+
+#ifdef HAVE_STRUCT_MALLINFO_HBLKHD
+    stats.size += info.hblkhd;
+    stats.bytes_used += info.hblkhd;
+#endif
+
+#endif
+
+    return stats;
+}
+
+}
+}
+
+/*
+  Local Variables:
+  mode:c++
+  c-file-style:"stroustrup"
+  c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
+  indent-tabs-mode:nil
+  fill-column:99
+  End:
+*/
+// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 :