1 /* 2 * Copyright (c) 1988, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34 #if defined(LIBC_SCCS) && !defined(lint) 35 static char sccsid[] = "@(#)strerror.c 8.1 (Berkeley) 6/4/93"; 36 #endif /* LIBC_SCCS and not lint */ 37 #include <sys/cdefs.h> 38 __FBSDID("$FreeBSD$"); 39 40 #if defined(NLS) 41 #include <nl_types.h> 42 #endif 43 44 #include <limits.h> 45 #include <errno.h> 46 #include <string.h> 47 #include <signal.h> 48 49 #define UPREFIX "Unknown signal" 50 51 /* XXX: negative 'num' ? (REGR) */ 52 char * 53 strsignal(int num) 54 { 55 static char ebuf[NL_TEXTMAX]; 56 char tmp[20]; 57 size_t n; 58 int signum; 59 char *t, *p; 60 61 #if defined(NLS) 62 int saved_errno = errno; 63 nl_catd catd; 64 catd = catopen("libc", NL_CAT_LOCALE); 65 #endif 66 67 if (num > 0 && num < sys_nsig) { 68 n = strlcpy(ebuf, 69 #if defined(NLS) 70 catgets(catd, 2, num, sys_siglist[num]), 71 #else 72 sys_siglist[num], 73 #endif 74 sizeof(ebuf)); 75 } else { 76 n = strlcpy(ebuf, 77 #if defined(NLS) 78 catgets(catd, 2, 0xffff, UPREFIX), 79 #else 80 UPREFIX, 81 #endif 82 sizeof(ebuf)); 83 } 84 85 signum = num; 86 if (num < 0) 87 signum = -signum; 88 89 t = tmp; 90 do { 91 *t++ = "0123456789"[signum % 10]; 92 } while (signum /= 10); 93 if (num < 0) 94 *t++ = '-'; 95 96 p = (ebuf + n); 97 *p++ = ':'; 98 *p++ = ' '; 99 100 for (;;) { 101 *p++ = *--t; 102 if (t <= tmp) 103 break; 104 } 105 *p = '\0'; 106 107 #if defined(NLS) 108 catclose(catd); 109 errno = saved_errno; 110 #endif 111 return (ebuf); 112 } 113