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75 lines
2.5 KiB
C
75 lines
2.5 KiB
C
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/*
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* Copyright (c) 1988, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. ***REMOVED*** - see
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* ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#if defined(LIBC_SCCS) && !defined(lint)
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static char sccsid[] = "@(#)strerror.c 8.1 (Berkeley) 6/4/93";
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#endif /* LIBC_SCCS and not lint */
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#include <string.h>
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#ifdef _DLL
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#define sys_nerr (*_sys_nerr_dll)
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#endif
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#ifndef HAVE_STRERROR
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#ifndef _AFXDLL
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char *
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strerror(num)
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int num;
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{
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extern int sys_nerr;
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extern char *sys_errlist[];
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#define UPREFIX "Unknown error: "
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static char ebuf[40] = UPREFIX; /* 64-bit number + slop */
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register unsigned int errnum;
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register char *p, *t;
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char tmp[40];
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errnum = num; /* convert to unsigned */
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if (errnum < sys_nerr)
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return(sys_errlist[errnum]);
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/* Do this by hand, so we don't include stdio(3). */
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t = tmp;
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do {
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*t++ = "0123456789"[errnum % 10];
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} while (errnum /= 10);
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for (p = ebuf + sizeof(UPREFIX) - 1;;) {
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*p++ = *--t;
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if (t <= tmp)
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break;
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}
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return(ebuf);
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}
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#endif
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#endif /* !HAVE_STRERROR */
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