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