70 lines
2.3 KiB
C
70 lines
2.3 KiB
C
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/* libFLAC - Free Lossless Audio Codec library
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* Copyright (C) 2013-2016 Xiph.org Foundation
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* - Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* - Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* - Neither the name of the Xiph.org Foundation nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/* Safe string handling functions to replace things like strcpy, strncpy,
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* strcat, strncat etc.
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* All of these functions guarantee a correctly NUL terminated string but
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* the string may be truncated if the destination buffer was too short.
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*/
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#ifndef FLAC__SHARE_SAFE_STR_H
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#define FLAC__SHARE_SAFE_STR_H
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static inline char *
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safe_strncat(char *dest, const char *src, size_t dest_size)
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{
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char * ret;
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if (dest_size < 1)
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return dest;
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ret = strncat(dest, src, dest_size - strlen (dest));
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dest [dest_size - 1] = 0;
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return ret;
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}
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static inline char *
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safe_strncpy(char *dest, const char *src, size_t dest_size)
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{
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char * ret;
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if (dest_size < 1)
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return dest;
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ret = strncpy(dest, src, dest_size);
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dest [dest_size - 1] = 0;
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return ret;
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}
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#endif /* FLAC__SHARE_SAFE_STR_H */
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