1 /* Test program for mtrace.
2 Copyright (C) 2000-2014 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <http://www.gnu.org/licenses/>. */
27 static void print (const void *node, VISIT value, int level);
29 /* Used for several purposes. */
40 /* Enable memory usage tracing. */
43 /* Perform some operations which definitely will allocate some
45 fp = fopen (__FILE__, "r");
47 /* Shouldn't happen since this program is executed in the source
55 ssize_t n = getline (&line, &linelen, fp);
67 p = (char **) tsearch (copy, &root,
68 (int (*)(const void *, const void *))strcmp);
70 /* This line wasn't added. */
76 fp = fopen (_PATH_DEVNULL, "w");
79 /* Write something through stdout. */
85 /* Free everything. */
86 tdestroy (root, free);
88 /* Also the line buffer. */
97 print (const void *node, VISIT value, int level)
100 if (value == postorder || value == leaf)
101 fprintf (fp, "%3d: %s", ++cnt, *(const char **) node);