64 lines
2.0 KiB
Awk
64 lines
2.0 KiB
Awk
# Copyright (C) 1991, 1992 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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# @comment errno.h
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# @comment POSIX.1: Function not implemented
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# @deftypevr Macro int ENOSYS
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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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errno = 0;
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errnoh = 0;
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}
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$1 == "@comment" && $2 == "errno.h" { errnoh=1; next }
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$1 == "@comment" && errnoh == 1 \
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{
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++errnoh;
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etext = "";
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for (i = 3; i <= NF; ++i)
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etext = etext " " $i;
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next;
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}
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errnoh == 2 && $1 == "@deftypevr" && $2 == "Macro" && $3 == "int" \
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{
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e = $4;
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if (e == "EDOM" || e == "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" e;
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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 */\n", s, ++errno, etext;
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if (e == "EDOM" || e == "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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next;
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}
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{ errnoh=0 }
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END {
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print "#endif /* <errno.h> included. */"
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}
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