7ab11e8295
but simply return a bool indicating whether the destination received a truncated copy of the source (true if truncation occurs else false). The change in return value semantics allows these functions to stop scanning the source string early when truncation occurs, stopping the program from scanning a possibly arbitrary-length source string. I rarely use these return values in my own programs, so it won't be very hard to bulk convert with no risk of regressions. Further, the different namespace allows me to not depend on the presence or absence of strlc(py|at) in the standard libraries.
48 lines
1.9 KiB
C
48 lines
1.9 KiB
C
/* strl.h - header file for strlcpy/strlcat implementation
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* Time-stamp: <2010-11-03 05:24:52 njk>
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*
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* (c) 2003-2010 Nicholas J. Kain <njkain at gmail dot com>
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* All rights reserved.
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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 are met:
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*
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* - Redistributions of source code must retain the above copyright notice,
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* 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 notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef NCM_STRL_H_
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#define NCM_STRL_H_ 1
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#include <stdbool.h>
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bool strnkcpy (char *dest, const char *src, size_t size);
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bool strnkcat (char *dest, const char *src, size_t size);
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#ifndef HAVE_STRLCPY
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size_t strlcpy (char *dest, const char *src, size_t size);
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#endif /* HAVE_STRLCPY */
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#ifndef HAVE_STRLCAT
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size_t strlcat (char *dest, const char *src, size_t size);
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#endif /* HAVE_STRLCAT */
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#endif
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