1 files changed, 93 insertions, 0 deletions
diff --git a/lib/malloc/trace.c b/lib/malloc/trace.c
new file mode 100644
index 0000000..418509e
--- /dev/null
+++ b/lib/malloc/trace.c
@@ -0,0 +1,93 @@
+/* trace.c - tracing functions for malloc */
+
+/* Copyright (C) 2001 Free Software Foundation, Inc.
+
+   This file is part of GNU Bash, the Bourne Again SHell.
+
+   Bash 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, or (at your option) any later
+   version.
+
+   Bash 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 Bash; see the file COPYING.  If not, write to the Free Software
+   Foundation, 59 Temple Place, Suite 330, Boston, MA 02111 USA. */
+#ifdef HAVE_CONFIG_H
+#  include <config.h>
+#endif
+
+#include <stdio.h>
+
+#include "imalloc.h"
+
+extern int malloc_trace;
+
+static int _mtrace_verbose = 0;
+
+#ifdef MALLOC_TRACE
+
+FILE *_mtrace_fp = NULL;
+
+void
+mtrace_alloc (tag, mem, size, file, line)
+     const char *tag;
+     PTR_T mem;
+     size_t size;
+     const char *file;
+     int line;
+{
+  if (_mtrace_fp == NULL)
+    _mtrace_fp = stderr;
+
+  if (_mtrace_verbose)
+    fprintf (_mtrace_fp, "alloc: %s: %p (%d bytes) from '%s:%d'\n",
+		tag, mem, size, file ? file : "unknown", line);
+  else
+    fprintf (_mtrace_fp, "alloc:%p:%d:%s:%d\n",
+		mem, size, file ? file : "unknown", line);
+}
+
+void
+mtrace_free (mem, size, file, line)
+     PTR_T mem;
+     int size;
+     const char *file;
+     int line;
+{
+  if (_mtrace_fp == NULL)
+    _mtrace_fp = stderr;
+
+  if (_mtrace_verbose)
+    fprintf (_mtrace_fp, "free: %p (%d bytes) from '%s:%d'\n",
+		mem, size, file ? file : "unknown", line);
+  else
+    fprintf (_mtrace_fp, "free:%p:%d:%s:%d\n",
+		mem, size, file ? file : "unknown", line);
+}
+#endif /* MALLOC_TRACE */
+
+int
+malloc_set_trace(n)
+     int n;
+{
+  int old;
+
+  old = malloc_trace;
+  malloc_trace = n;
+  _mtrace_verbose = (n > 1);
+  return old;
+}
+
+void
+malloc_set_tracefp(fp)
+     FILE *fp;
+{
+#ifdef MALLOC_TRACE
+  _mtrace_fp = fp ? fp : stderr;
+#endif
+}