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comparison c/setprogname/setprogname.c @ 659:e40d082f9161

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c: resurrection
author David Demelier <markand@malikania.fr>
date Mon, 15 Jul 2019 21:05:00 +0200
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658:868663a44b5e 659:e40d082f9161
1 /*
2 * setprogname.c -- get or set the program name
3 *
4 * Copyright (c) 2011-2019 David Demelier <markand@malikania.fr>
5 *
6 * Permission to use, copy, modify, and/or distribute this software for any
7 * purpose with or without fee is hereby granted, provided that the above
8 * copyright notice and this permission notice appear in all copies.
9 *
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 */
18
19 #include <stdio.h>
20 #include <stdlib.h>
21 #include <string.h>
22
23 /*
24 * Do not return NULL if the developer didn't call setprogname to
25 * prevent useless segfault.
26 */
27 static const char *g_pname = "";
28
29 void
30 setprogname(const char *progname)
31 {
32 const char *p;
33
34 /* Seek last / or \ on windows */
35 if ((p = strrchr(progname, '/')) || (p = strrchr(progname, '\\')))
36 g_pname = &p[1];
37 else
38 g_pname = progname;
39 }
40
41 const char *
42 getprogname(void)
43 {
44 return g_pname;
45 }