1*ebfedea0SLionel Sambuc /* $NetBSD: setprogname.c,v 1.1.1.1 2011/04/13 18:15:43 elric Exp $ */
2*ebfedea0SLionel Sambuc
3*ebfedea0SLionel Sambuc /*
4*ebfedea0SLionel Sambuc * Copyright (c) 1995-2004 Kungliga Tekniska Högskolan
5*ebfedea0SLionel Sambuc * (Royal Institute of Technology, Stockholm, Sweden).
6*ebfedea0SLionel Sambuc * All rights reserved.
7*ebfedea0SLionel Sambuc *
8*ebfedea0SLionel Sambuc * Redistribution and use in source and binary forms, with or without
9*ebfedea0SLionel Sambuc * modification, are permitted provided that the following conditions
10*ebfedea0SLionel Sambuc * are met:
11*ebfedea0SLionel Sambuc *
12*ebfedea0SLionel Sambuc * 1. Redistributions of source code must retain the above copyright
13*ebfedea0SLionel Sambuc * notice, this list of conditions and the following disclaimer.
14*ebfedea0SLionel Sambuc *
15*ebfedea0SLionel Sambuc * 2. Redistributions in binary form must reproduce the above copyright
16*ebfedea0SLionel Sambuc * notice, this list of conditions and the following disclaimer in the
17*ebfedea0SLionel Sambuc * documentation and/or other materials provided with the distribution.
18*ebfedea0SLionel Sambuc *
19*ebfedea0SLionel Sambuc * 3. Neither the name of the Institute nor the names of its contributors
20*ebfedea0SLionel Sambuc * may be used to endorse or promote products derived from this software
21*ebfedea0SLionel Sambuc * without specific prior written permission.
22*ebfedea0SLionel Sambuc *
23*ebfedea0SLionel Sambuc * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
24*ebfedea0SLionel Sambuc * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25*ebfedea0SLionel Sambuc * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26*ebfedea0SLionel Sambuc * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
27*ebfedea0SLionel Sambuc * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28*ebfedea0SLionel Sambuc * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29*ebfedea0SLionel Sambuc * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30*ebfedea0SLionel Sambuc * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31*ebfedea0SLionel Sambuc * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32*ebfedea0SLionel Sambuc * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33*ebfedea0SLionel Sambuc * SUCH DAMAGE.
34*ebfedea0SLionel Sambuc */
35*ebfedea0SLionel Sambuc
36*ebfedea0SLionel Sambuc #include <config.h>
37*ebfedea0SLionel Sambuc
38*ebfedea0SLionel Sambuc #include <krb5/roken.h>
39*ebfedea0SLionel Sambuc
40*ebfedea0SLionel Sambuc #ifndef HAVE___PROGNAME
41*ebfedea0SLionel Sambuc extern const char *__progname;
42*ebfedea0SLionel Sambuc #endif
43*ebfedea0SLionel Sambuc
44*ebfedea0SLionel Sambuc #ifndef HAVE_SETPROGNAME
45*ebfedea0SLionel Sambuc
46*ebfedea0SLionel Sambuc ROKEN_LIB_FUNCTION void ROKEN_LIB_CALL
setprogname(const char * argv0)47*ebfedea0SLionel Sambuc setprogname(const char *argv0)
48*ebfedea0SLionel Sambuc {
49*ebfedea0SLionel Sambuc
50*ebfedea0SLionel Sambuc #ifndef HAVE___PROGNAME
51*ebfedea0SLionel Sambuc
52*ebfedea0SLionel Sambuc const char *p;
53*ebfedea0SLionel Sambuc if(argv0 == NULL)
54*ebfedea0SLionel Sambuc return;
55*ebfedea0SLionel Sambuc p = strrchr(argv0, '/');
56*ebfedea0SLionel Sambuc
57*ebfedea0SLionel Sambuc #ifdef BACKSLASH_PATH_DELIM
58*ebfedea0SLionel Sambuc {
59*ebfedea0SLionel Sambuc const char * pb;
60*ebfedea0SLionel Sambuc
61*ebfedea0SLionel Sambuc pb = strrchr((p != NULL)? p : argv0, '\\');
62*ebfedea0SLionel Sambuc if (pb != NULL)
63*ebfedea0SLionel Sambuc p = pb;
64*ebfedea0SLionel Sambuc }
65*ebfedea0SLionel Sambuc #endif
66*ebfedea0SLionel Sambuc
67*ebfedea0SLionel Sambuc if(p == NULL)
68*ebfedea0SLionel Sambuc p = argv0;
69*ebfedea0SLionel Sambuc else
70*ebfedea0SLionel Sambuc p++;
71*ebfedea0SLionel Sambuc
72*ebfedea0SLionel Sambuc #ifdef _WIN32
73*ebfedea0SLionel Sambuc {
74*ebfedea0SLionel Sambuc char * fn = strdup(p);
75*ebfedea0SLionel Sambuc char * ext;
76*ebfedea0SLionel Sambuc
77*ebfedea0SLionel Sambuc strlwr(fn);
78*ebfedea0SLionel Sambuc ext = strrchr(fn, '.');
79*ebfedea0SLionel Sambuc if (ext != NULL && !strcmp(ext, ".exe"))
80*ebfedea0SLionel Sambuc *ext = '\0';
81*ebfedea0SLionel Sambuc
82*ebfedea0SLionel Sambuc __progname = fn;
83*ebfedea0SLionel Sambuc }
84*ebfedea0SLionel Sambuc #else
85*ebfedea0SLionel Sambuc
86*ebfedea0SLionel Sambuc __progname = p;
87*ebfedea0SLionel Sambuc
88*ebfedea0SLionel Sambuc #endif
89*ebfedea0SLionel Sambuc
90*ebfedea0SLionel Sambuc #endif /* HAVE___PROGNAME */
91*ebfedea0SLionel Sambuc }
92*ebfedea0SLionel Sambuc
93*ebfedea0SLionel Sambuc #endif /* HAVE_SETPROGNAME */
94