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39 lines
1.4 KiB
C++
39 lines
1.4 KiB
C++
/*******************************************************************************
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Copyright(C) Jonas 'Sortie' Termansen 2011, 2012.
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This file is part of the Sortix C Library.
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The Sortix C Library is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation, either version 3 of the License, or (at your
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option) any later version.
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The Sortix C Library is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with the Sortix C Library. If not, see <http://www.gnu.org/licenses/>.
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memccpy.cpp
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Copy memory until length is met or character is encountered.
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*******************************************************************************/
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#include <stddef.h>
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#include <stdint.h>
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#include <string.h>
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extern "C" void* memccpy(void* destp, const void* srcp, int c, size_t n)
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{
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uint8_t* dest = (uint8_t*) destp;
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const uint8_t* src = (const uint8_t*) srcp;
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for ( size_t i = 0; i < n; i++ )
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if ( src[i] == (uint8_t) c )
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return dest + i;
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else
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dest[i] = src[i];
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return NULL;
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}
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