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50 lines
1.7 KiB
C
50 lines
1.7 KiB
C
/*****************************************************************************
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* strlcpy.c: BSD strlcpy() replacement
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*****************************************************************************
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* Copyright © 2006, 2009 Rémi Denis-Courmont
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*
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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 Lesser General Public License as published by
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* the Free Software Foundation; either version 2.1 of the License, or
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* (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
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
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*****************************************************************************/
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include <string.h>
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/**
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* Copy a string to a sized buffer. The result is always nul-terminated
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* (contrary to strncpy()).
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*
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* @param dest destination buffer
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* @param src string to be copied
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* @param len maximum number of characters to be copied plus one for the
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* terminating nul.
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*
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* @return strlen(src)
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*/
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size_t strlcpy (char *tgt, const char *src, size_t bufsize)
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{
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size_t length = strlen(src);
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if (bufsize > length)
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memcpy(tgt, src, length + 1);
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else
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if (bufsize > 0)
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memcpy(tgt, src, bufsize - 1), tgt[bufsize - 1] = '\0';
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return length;
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}
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