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32 lines
973 B
C
32 lines
973 B
C
/* This file is part of pam-modules.
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Copyright (C) 2009-2022 Sergey Poznyakoff
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This program is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the
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Free Software Foundation; either version 3 of the License, or (at your
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option) any later version.
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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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with this program. If not, see <http://www.gnu.org/licenses/>. */
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#include <graypam.h>
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/*
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* Chop off trailing whitespace. Return length of the resulting string
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*/
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int
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gray_trim_ws(char *str)
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{
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int len;
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for (len = strlen(str); len > 0 && isspace(str[len-1]); len--)
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;
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str[len] = 0;
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return len;
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}
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