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sortix--sortix/libc/wchar/wcsdup.c

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/*
* Copyright (c) 2014 Jonas 'Sortie' Termansen.
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* wchar/wcsdup.c
* Creates a copy of a string.
*/
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#include <stdlib.h>
#include <wchar.h>
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wchar_t* wcsdup(const wchar_t* input)
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{
size_t input_length = wcslen(input);
wchar_t* result = (wchar_t*) malloc(sizeof(wchar_t) * (input_length + 1));
if ( !result )
return NULL;
wmemcpy(result, input, input_length + 1);
return result;
}