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42 lines
1.2 KiB
C
42 lines
1.2 KiB
C
/* Copyright (C) 1989, 1990, 1991, 1992 Free Software Foundation, Inc.
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Written by James Clark (jjc@jclark.com)
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This file is part of groff.
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groff is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 2, or (at your option) any later
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version.
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groff is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License along
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with groff; see the file COPYING. If not, write to the Free Software
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Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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#include <stdio.h>
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#define INT_DIGITS 19 /* enough for 64 bit integer */
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#ifndef HAVE_SYS_NERR
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extern int sys_nerr;
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#endif
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#ifndef HAVE_SYS_ERRLIST
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extern char *sys_errlist[];
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#endif
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char *strerror(n)
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int n;
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{
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static char buf[sizeof("Error ") + 1 + INT_DIGITS];
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if (n >= 0 && n < sys_nerr && sys_errlist[n] != 0)
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return sys_errlist[n];
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else {
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sprintf(buf, "Error %d", n);
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return buf;
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}
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}
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