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56 lines
947 B
C
56 lines
947 B
C
/*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS system libraries
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* FILE: lib/sdk/crt/mbstring/mbslwr.c
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* PURPOSE: Multibyte lowercase functions
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* PROGRAMER: Eric Kohl
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* Samuel Serapion, adapted from PROJECT C Library
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*/
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#include <precomp.h>
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#include <mbstring.h>
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#include <ctype.h>
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unsigned int _mbbtolower(unsigned int c)
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{
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if (!_ismbblead(c) )
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return tolower(c);
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return c;
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}
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/*
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* @implemented
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*/
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unsigned int _mbctolower(unsigned int c)
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{
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return _ismbcupper (c) ? c + 0x21 : c;
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}
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/*
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* @implemented
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*/
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unsigned char * _mbslwr(unsigned char *x)
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{
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unsigned char *y=x;
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if (x == NULL)
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{
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return NULL;
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}
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while (*y)
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{
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if (!_ismbblead(*y))
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{
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*y = tolower(*y);
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y++;
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}
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else
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{
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*y = _mbctolower(*(unsigned short *)y);
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y++;
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}
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}
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return x;
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}
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