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41bdb6e20c
2001-07-06 Paul Eggert <eggert@twinsun.com> * manual/argp.texi: Remove ignored LGPL copyright notice; it's not appropriate for documentation anyway. * manual/libc-texinfo.sh: "Library General Public License" -> "Lesser General Public License". 2001-07-06 Andreas Jaeger <aj@suse.de> * All files under GPL/LGPL version 2: Place under LGPL version 2.1.
100 lines
2.6 KiB
C
100 lines
2.6 KiB
C
/* Copyright (C) 1991, 1993, 1997 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <errno.h>
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static char iferrno[] = "#ifdef _ERRNO_H";
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static char endiferrno[] = "#endif /* <errno.h> included. */";
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static char ifEmath[] = "#if !defined(__Emath_defined) && \
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(defined(_ERRNO_H) || defined(__need_Emath))";
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static char endifEmath[] = "#endif /* Emath not defined and <errno.h> \
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included or need Emath. */";
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static int biggest_value = 0;
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static int done_ENOSYS = 0;
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static int done_ERANGE = 0, done_EDOM = 0;
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static void
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DO(name, value)
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char *name;
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int value;
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{
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int is_ERANGE = !done_ERANGE && !strcmp(name, "ERANGE");
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int is_EDOM = !done_EDOM && !strcmp(name, "EDOM");
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int is_Emath = is_ERANGE || is_EDOM;
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if (is_Emath)
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{
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puts(endiferrno);
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puts(ifEmath);
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}
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if (!strcmp (name, "EWOULDBLOCK"))
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{
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puts ("#define EWOULDBLOCK EAGAIN /* Translated in glibc. */");
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name = "EWOULDBLOCK_sys /* Value actually returned by kernel. */";
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}
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printf ("#define %s %d\n", name, value);
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if (is_Emath)
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{
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puts(endifEmath);
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puts(iferrno);
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}
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if (value > biggest_value)
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biggest_value = value;
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if (is_ERANGE)
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done_ERANGE = 1;
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else if (is_EDOM)
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done_EDOM = 1;
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else if (!done_ENOSYS && !strcmp(name, "ENOSYS"))
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done_ENOSYS = 1;
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}
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int
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main()
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{
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puts(iferrno);
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ERRNOS;
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if (!done_EDOM || !done_ERANGE)
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{
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puts(endiferrno);
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puts(ifEmath);
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if (!done_EDOM)
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printf("#define EDOM %d\n", ++biggest_value);
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if (!done_ERANGE)
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printf("#define ERANGE %d\n", ++biggest_value);
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puts(endifEmath);
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}
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if (!done_ENOSYS)
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printf("#define ENOSYS %d\n", ++biggest_value);
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puts(endiferrno);
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puts("#undef __need_Emath");
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puts("#ifndef __Emath_defined\n#define __Emath_defined 1\n#endif");
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exit(0);
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}
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