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@@ -0,0 +1,29 @@
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+#! /usr/bin/env perl
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+# Copyright 2019 The OpenSSL Project Authors. All Rights Reserved.
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+#
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+# Licensed under the Apache License 2.0 (the "License"). You may not use
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+# this file except in compliance with the License. You can obtain a copy
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+# in the file LICENSE in the source distribution or at
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+# https://www.openssl.org/source/license.html
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+
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+# Sometimes calls to XXXerr() are split into two lines, because the define'd
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+# names are very long. This script looks for those lines and merges them.
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+# It should be run before the "err-to-raise" script.
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+
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+# Run this program like this:
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+# perl -pi util/merge-err-lines files...
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+# or
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+# git grep -l '[A-Z0-9]err([^)]*$' | xargs perl -pi util/merge-err-lines
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+
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+use strict;
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+use warnings;
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+
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+# Look for "{whitespace}XXXerr(no-close-paren{WHITESPACE}" lines
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+if ( /^ *[_A-Z0-9]+err\([^)]+ *$/ ) {
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+ my $copy = $_;
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+ chop($copy);
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+ $copy =~ s/ +$//;
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+ my $next = <>;
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+ $next =~ s/^ +//;
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+ $_ = $copy . ' ' . $next;
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+}
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