1 /* Test program for mtrace.
2 Copyright (C) 2000 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 Library General Public License as
7 published by the Free Software Foundation; either version 2 of the
8 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 Library General Public License for more details.
15 You should have received a copy of the GNU Library General Public
16 License along with the GNU C Library; see the file COPYING.LIB. If not,
17 write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 Boston, MA 02111-1307, USA. */
28 static void print (const void *node
, VISIT value
, int level
);
30 /* Used for several purposes. */
41 /* Enable memory usage tracing. */
44 /* Perform some operations which definitely will allocate some
46 fp
= fopen (__FILE__
, "r");
48 /* Shouldn't happen since this program is executed in the source
56 ssize_t n
= getline (&line
, &linelen
, fp
);
68 p
= (char **) tsearch (copy
, &root
,
69 (int (*) (const void *, const void *)) strcmp
);
71 /* This line wasn't added. */
77 fp
= fopen (_PATH_DEVNULL
, "w");
80 /* Write something through stdout. */
86 /* Free everything. */
87 tdestroy (root
, free
);
89 /* Also the line buffer. */
98 print (const void *node
, VISIT value
, int level
)
101 if (value
== postorder
|| value
== leaf
)
102 fprintf (fp
, "%3d: %s", ++cnt
, *(const char **) node
);