/* * Copyright (c) 1988 Regents of the University of California. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #if defined(LIBC_SCCS) && !defined(lint) static char *rcsid = "$OpenBSD: __strerror.c,v 1.6 1996/09/25 08:17:30 deraadt Exp $"; #endif /* LIBC_SCCS and not lint */ #ifdef NLS #define catclose _catclose #define catgets _catgets #define catopen _catopen #include <nl_types.h> #endif #define sys_errlist _sys_errlist #define sys_nerr _sys_nerr #include <errno.h> #include <limits.h> #include <stdio.h> #include <string.h> static char *itoa(num) int num; { static char buffer[11]; char *p; p = buffer + 4; while (num >= 10) { *--p = (num % 10) + '0'; num /= 10; } *p = (num % 10) + '0'; return p; } /* * Since perror() is not allowed to change the contents of strerror()'s * static buffer, both functions supply their own buffers to the * internal function __strerror(). */ char * __strerror(num, buf) int num; char *buf; { #define UPREFIX "Unknown error: " register unsigned int errnum; #ifdef NLS nl_catd catd; catd = catopen("libc", 0); #endif errnum = num; /* convert to unsigned */ if (errnum < sys_nerr) { #ifdef NLS strncpy(buf, catgets(catd, 1, errnum, (char *)sys_errlist[errnum]), NL_TEXTMAX-1); buf[NL_TEXTMAX - 1] = '\0'; #else return(sys_errlist[errnum]); #endif } else { #ifdef NLS strncpy(buf, catgets(catd, 1, 0xffff, UPREFIX), NL_TEXTMAX-1); buf[NL_TEXTMAX - 1] = '\0'; #else strcpy(buf, UPREFIX); #endif strncat(buf, itoa(errnum), NL_TEXTMAX-strlen(buf)-1); } #ifdef NLS catclose(catd); #endif return buf; }