97 lines
1.6 KiB
C
97 lines
1.6 KiB
C
/*
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* wchar.c - wide character support
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*
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* Copyright (c) 2014 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2
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* as published by the Free Software Foundation.
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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 General Public License for more details.
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*
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*/
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#include <wchar.h>
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#include <malloc.h>
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#include <string.h>
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size_t wcslen(const wchar_t *s)
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{
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size_t len = 0;
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while (*s++)
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len++;
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return len;
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}
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wchar_t *strdup_wchar(const wchar_t *src)
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{
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int len = wcslen(src);
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wchar_t *tmp, *dst;
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if (!(dst = malloc((len + 1) * sizeof(wchar_t))))
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return NULL;
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tmp = dst;
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while ((*dst++ = *src++))
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/* nothing */;
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return tmp;
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}
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char *strcpy_wchar_to_char(char *dst, const wchar_t *src)
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{
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char *ret = dst;
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while (*src)
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*dst++ = *src++ & 0xff;
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*dst = 0;
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return ret;
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}
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wchar_t *strcpy_char_to_wchar(wchar_t *dst, const char *src)
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{
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wchar_t *ret = dst;
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while (*src)
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*dst++ = *src++;
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*dst = 0;
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return ret;
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}
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wchar_t *strdup_char_to_wchar(const char *src)
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{
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wchar_t *dst = malloc((strlen(src) + 1) * sizeof(wchar_t));
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if (!dst)
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return NULL;
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strcpy_char_to_wchar(dst, src);
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return dst;
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}
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char *strdup_wchar_to_char(const wchar_t *src)
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{
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char *dst = malloc((wcslen(src) + 1));
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if (!dst)
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return NULL;
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strcpy_wchar_to_char(dst, src);
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return dst;
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}
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