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40 lines
1.1 KiB
C
40 lines
1.1 KiB
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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void
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gray_escape_string(gray_slist_t slist, const char *str, size_t len)
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{
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const char *p;
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#define ESCAPABLE_CHAR "\\'\""
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#define FLUSH() \
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gray_slist_append(slist, str, p - str); \
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str = p;
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for (p = str; p < str + len; p++) {
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if (strchr(ESCAPABLE_CHAR, *p)) {
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FLUSH();
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str++;
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gray_slist_append_char(slist, '\\');
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gray_slist_append_char(slist, *p);
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}
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}
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FLUSH();
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}
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