50 lines
1.7 KiB
Awk
50 lines
1.7 KiB
Awk
# Copyright (C) 1991 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 Library General Public License
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# as published by the Free Software Foundation; either version 2 of
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# 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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# Library General Public License for more details.
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# You should have received a copy of the GNU Library General Public
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# License along with the GNU C Library; see the file COPYING.LIB. If
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# not, write to the Free Software Foundation, Inc., 675 Mass Ave,
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# Cambridge, MA 02139, USA.
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# errno.texinfo contains lines like:
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# @deftypevr Macro int ENOSYS @c 78 Function not implemented
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BEGIN {
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print "/* This file is generated from errno.texinfo by errnos.awk. */";
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print "";
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print "#ifdef _ERRNO_H";
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}
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$1 == "@comment" && $2 == "###errno:" {
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if ($3 == "EDOM" || $3 == "ERANGE")
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{
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print "#endif /* <errno.h> included. */";
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print "#if (!defined (__Emath_defined) && \\\n (defined (_ERRNO_H) || defined (__need_Emath)))";
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}
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s = "#define\t" $3
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l = 24 - length (s);
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while (l-- > 0)
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s = s " "
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printf "%s%d\t/* ", s, $4;
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for (i = 5; i <= NF; ++i)
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printf "%s ", $i
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print "*/"
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if ($3 == "EDOM" || $3 == "ERANGE")
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{
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print "#endif /* Emath not defined and <errno.h> included or need Emath. */";
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print "#ifdef _ERRNO_H"
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}
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}
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END {
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print "#endif /* <errno.h> included. */"
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}
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