xref: /netbsd-src/lib/libc/string/__strsignal.c (revision 2a399c6883d870daece976daec6ffa7bb7f934ce)
1 /*	$NetBSD: __strsignal.c,v 1.13 1997/07/13 20:24:10 christos Exp $	*/
2 
3 /*
4  * Copyright (c) 1988 Regents of the University of California.
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 by the University of
18  *	California, Berkeley and its contributors.
19  * 4. Neither the name of the University nor the names of its contributors
20  *    may be used to endorse or promote products derived from this software
21  *    without specific prior written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33  * SUCH DAMAGE.
34  */
35 
36 #include <sys/cdefs.h>
37 #if defined(LIBC_SCCS) && !defined(lint)
38 #if 0
39 static char *sccsid = "@(#)strerror.c	5.6 (Berkeley) 5/4/91";
40 #else
41 __RCSID("$NetBSD: __strsignal.c,v 1.13 1997/07/13 20:24:10 christos Exp $");
42 #endif
43 #endif /* LIBC_SCCS and not lint */
44 
45 #include "namespace.h"
46 #ifdef NLS
47 #include <limits.h>
48 #include <nl_types.h>
49 #endif
50 
51 #include <stdio.h>
52 #include <signal.h>
53 #include <string.h>
54 #include "extern.h"
55 
56 char *
57 __strsignal(num, buf, buflen)
58 	int num;
59 	char *buf;
60 	int buflen;
61 {
62 #define	UPREFIX	"Unknown signal: %u"
63 	register unsigned int signum;
64 
65 #ifdef NLS
66 	nl_catd catd ;
67 	catd = catopen("libc", 0);
68 #endif
69 
70 	signum = num;				/* convert to unsigned */
71 	if (signum < NSIG) {
72 #ifdef NLS
73 		(void)strncpy(buf, catgets(catd, 2, signum,
74 		    (char *)sys_siglist[signum]), NL_TEXTMAX);
75 		buf[NL_TEXTMAX - 1] = '\0';
76 #else
77 		return((char *)sys_siglist[signum]);
78 #endif
79 	} else {
80 #ifdef NLS
81 		(void)snprintf(buf, NL_TEXTMAX,
82 	            catgets(catd, 1, 0xffff, UPREFIX), signum);
83 #else
84 		(void)snprintf(buf, buflen, UPREFIX, signum);
85 #endif
86 	}
87 
88 #ifdef NLS
89 	catclose(catd);
90 #endif
91 
92 	return buf;
93 }
94