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Annotation of src/lib/libc/gen/setprogname.c, Revision 1.3

1.3     ! salo        1: /* $NetBSD: setprogname.c,v 1.2 2001/07/09 00:58:22 simonb Exp $ */
1.1       cgd         2:
                      3: /*
                      4:  * Copyright (c) 2001 Christopher G. Demetriou
                      5:  * All rights reserved.
                      6:  *
                      7:  * Redistribution and use in source and binary forms, with or without
                      8:  * modification, are permitted provided that the following conditions
                      9:  * are met:
                     10:  * 1. Redistributions of source code must retain the above copyright
                     11:  *    notice, this list of conditions and the following disclaimer.
                     12:  * 2. Redistributions in binary form must reproduce the above copyright
                     13:  *    notice, this list of conditions and the following disclaimer in the
                     14:  *    documentation and/or other materials provided with the distribution.
                     15:  * 3. All advertising materials mentioning features or use of this software
                     16:  *    must display the following acknowledgement:
                     17:  *          This product includes software developed for the
1.3     ! salo       18:  *          NetBSD Project.  See http://www.NetBSD.org/ for
1.1       cgd        19:  *          information about NetBSD.
                     20:  * 4. The name of the author may not be used to endorse or promote products
                     21:  *    derived from this software without specific prior written permission.
                     22:  *
                     23:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
                     24:  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
                     25:  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
                     26:  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
                     27:  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
                     28:  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
                     29:  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
                     30:  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
                     31:  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
                     32:  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
                     33:  *
                     34:  * <<Id: LICENSE,v 1.2 2000/06/14 15:57:33 cgd Exp>>
                     35:  */
                     36:
                     37: #include <sys/cdefs.h>
                     38: #if defined(LIBC_SCCS) && !defined(lint)
1.3     ! salo       39: __RCSID("$NetBSD: setprogname.c,v 1.2 2001/07/09 00:58:22 simonb Exp $");
1.1       cgd        40: #endif /* LIBC_SCCS and not lint */
                     41:
                     42: /* In NetBSD, the program name is set by crt0.  It can't be overridden. */
                     43: #undef REALLY_SET_PROGNAME
                     44:
                     45: #include <stdlib.h>
1.2       simonb     46:
                     47: #ifdef REALLY_SET_PROGNAME
1.1       cgd        48: #include <string.h>
                     49:
                     50: extern const char *__progname;
                     51: #endif
                     52:
                     53: /*ARGSUSED*/
                     54: void
                     55: setprogname(const char *progname)
                     56: {
                     57:
                     58: #ifdef REALLY_SET_PROGNAME
                     59:        __progname = strrchr(progname, '/');
                     60:        if (__progname == NULL)
                     61:                __progname = progname;
                     62:        else
                     63:                __progname++;
                     64: #endif
                     65: }

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