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91 lines
3.3 KiB
91 lines
3.3 KiB
# mkerrcodes.awk
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# Copyright (C) 2003, 2004 g10 Code GmbH
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License as
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# 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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#
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# This program 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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# General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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#
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# As a special exception, g10 Code GmbH gives unlimited permission to
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# copy, distribute and modify the C source files that are the output
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# of mkerrcodes.awk. You need not follow the terms of the GNU General
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# Public License when using or distributing such scripts, even though
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# portions of the text of mkerrcodes.awk appear in them. The GNU
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# General Public License (GPL) does govern all other use of the material
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# that constitutes the mkerrcodes.awk program.
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#
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# Certain portions of the mkerrcodes.awk source text are designed to be
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# copied (in certain cases, depending on the input) into the output of
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# mkerrcodes.awk. We call these the "data" portions. The rest of the
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# mkerrcodes.awk source text consists of comments plus executable code
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# that decides which of the data portions to output in any given case.
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# We call these comments and executable code the "non-data" portions.
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# mkerrcodes.h never copies any of the non-data portions into its output.
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#
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# This special exception to the GPL applies to versions of mkerrcodes.awk
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# released by g10 Code GmbH. When you make and distribute a modified version
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# of mkerrcodes.awk, you may extend this special exception to the GPL to
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# apply to your modified version as well, *unless* your modified version
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# has the potential to copy into its output some of the text that was the
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# non-data portion of the version that you started with. (In other words,
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# unless your change moves or copies text from the non-data portions to the
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# data portions.) If your modification has such potential, you must delete
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# any notice of this special exception to the GPL from your modified version.
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# This script outputs an intermediate file that contains the following block
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# for each error value symbol in the input file (example for EINVAL):
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#
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# #ifdef EINVAL
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# EINVAL GPG_ERR_EINVAL
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# #endif
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#
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# The input file is a list of possible system errors in the column errnoidx
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# (defaults to 2).
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#
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# Comments (starting with # and ending at the end of the line) are removed,
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# as is trailing whitespace.
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BEGIN {
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FS="[\t]+";
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header = 1;
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if (errnoidx == 0)
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errnoidx = 2;
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print "/* Output of mkerrcodes.awk. DO NOT EDIT. */";
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print "";
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}
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/^#/ { next; }
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header {
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if ($1 ~ /^[0-9]/)
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{
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print "#include <errno.h>";
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print "";
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header = 0;
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}
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else
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print;
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}
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!header {
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sub (/\#.+/, "");
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sub (/[ ]+$/, ""); # Strip trailing space and tab characters.
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if (/^$/)
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next;
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print "#ifdef " $errnoidx;
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print $errnoidx "\tGPG_ERR_" $errnoidx;
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print "#endif";
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}
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