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https://github.com/reactos/wine.git
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409 lines
9.3 KiB
C
409 lines
9.3 KiB
C
/*
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* CRTDLL wide-char functions
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*
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* Copyright 1999 Alexandre Julliard
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*
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* TODO:
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* These functions are really necessary only if sizeof(WCHAR) != sizeof(wchar_t),
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* otherwise we could use the libc functions directly.
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*/
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#include "config.h"
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#include <ctype.h>
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#include <stdlib.h>
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#include <string.h>
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#ifdef HAVE_WCTYPE_H
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#include <wctype.h>
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#endif
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#include "windef.h"
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#include "crtdll.h"
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/*********************************************************************
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* CRTDLL__wcsdup (CRTDLL.320)
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*/
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LPWSTR __cdecl CRTDLL__wcsdup( LPCWSTR str )
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{
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LPWSTR ret = NULL;
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if (str)
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{
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int size = (CRTDLL_wcslen(str) + 1) * sizeof(WCHAR);
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ret = CRTDLL_malloc( size );
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if (ret) memcpy( ret, str, size );
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}
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return ret;
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}
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/*********************************************************************
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* CRTDLL__wcsicmp (CRTDLL.321)
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*/
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INT __cdecl CRTDLL__wcsicmp( LPCWSTR str1, LPCWSTR str2 )
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{
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while (*str1 && (CRTDLL_towupper(*str1) == CRTDLL_towupper(*str2)))
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{
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str1++;
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str2++;
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}
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return CRTDLL_towupper(*str1) - CRTDLL_towupper(*str2);
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}
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/*********************************************************************
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* CRTDLL__wcsicoll (CRTDLL.322)
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*/
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INT __cdecl CRTDLL__wcsicoll( LPCWSTR str1, LPCWSTR str2 )
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{
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/* FIXME: handle collates */
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return CRTDLL__wcsicmp( str1, str2 );
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}
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/*********************************************************************
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* CRTDLL__wcslwr (CRTDLL.323)
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*/
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LPWSTR __cdecl CRTDLL__wcslwr( LPWSTR str )
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{
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LPWSTR ret = str;
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for ( ; *str; str++) *str = CRTDLL_towlower(*str);
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return ret;
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}
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/*********************************************************************
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* CRTDLL__wcsnicmp (CRTDLL.324)
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*/
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INT __cdecl CRTDLL__wcsnicmp( LPCWSTR str1, LPCWSTR str2, INT n )
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{
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if (!n) return 0;
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while ((--n > 0) && *str1 && (CRTDLL_towupper(*str1) == CRTDLL_towupper(*str2)))
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{
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str1++;
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str2++;
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}
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return CRTDLL_towupper(*str1) - CRTDLL_towupper(*str2);
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}
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/*********************************************************************
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* CRTDLL__wcsnset (CRTDLL.325)
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*/
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LPWSTR __cdecl CRTDLL__wcsnset( LPWSTR str, WCHAR c, INT n )
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{
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LPWSTR ret = str;
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while ((n-- > 0) && *str) *str++ = c;
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return ret;
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}
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/*********************************************************************
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* CRTDLL__wcsrev (CRTDLL.326)
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*/
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LPWSTR __cdecl CRTDLL__wcsrev( LPWSTR str )
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{
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LPWSTR ret = str;
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LPWSTR end = str + CRTDLL_wcslen(str) - 1;
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while (end > str)
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{
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WCHAR t = *end;
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*end-- = *str;
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*str++ = t;
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}
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return ret;
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}
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/*********************************************************************
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* CRTDLL__wcsset (CRTDLL.327)
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*/
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LPWSTR __cdecl CRTDLL__wcsset( LPWSTR str, WCHAR c )
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{
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LPWSTR ret = str;
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while (*str) *str++ = c;
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return ret;
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}
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/*********************************************************************
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* CRTDLL__wcsupr (CRTDLL.328)
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*/
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LPWSTR __cdecl CRTDLL__wcsupr( LPWSTR str )
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{
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LPWSTR ret = str;
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for ( ; *str; str++) *str = CRTDLL_towupper(*str);
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return ret;
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}
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/*********************************************************************
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* CRTDLL_towlower (CRTDLL.493)
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*/
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WCHAR __cdecl CRTDLL_towlower( WCHAR ch )
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{
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#ifdef HAVE_WCTYPE_H
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ch = (WCHAR)towlower( (wchar_t)ch );
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#else
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if (!HIBYTE(ch)) ch = (WCHAR)tolower( LOBYTE(ch) ); /* FIXME */
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#endif
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return ch;
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}
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/*********************************************************************
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* CRTDLL_towupper (CRTDLL.494)
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*/
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WCHAR __cdecl CRTDLL_towupper( WCHAR ch )
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{
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#ifdef HAVE_WCTYPE_H
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ch = (WCHAR)towupper( (wchar_t)ch );
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#else
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if (!HIBYTE(ch)) ch = (WCHAR)toupper( LOBYTE(ch) ); /* FIXME */
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#endif
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return ch;
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}
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/***********************************************************************
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* CRTDLL_wcscat (CRTDLL.503)
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*/
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LPWSTR __cdecl CRTDLL_wcscat( LPWSTR dst, LPCWSTR src )
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{
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LPWSTR p = dst;
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while (*p) p++;
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while ((*p++ = *src++));
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return dst;
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}
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/*********************************************************************
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* CRTDLL_wcschr (CRTDLL.504)
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*/
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LPWSTR __cdecl CRTDLL_wcschr( LPCWSTR str, WCHAR ch )
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{
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while (*str)
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{
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if (*str == ch) return (LPWSTR)str;
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str++;
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}
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return NULL;
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}
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/*********************************************************************
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* CRTDLL_wcscmp (CRTDLL.505)
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*/
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INT __cdecl CRTDLL_wcscmp( LPCWSTR str1, LPCWSTR str2 )
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{
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while (*str1 && (*str1 == *str2)) { str1++; str2++; }
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return (INT)(*str1 - *str2);
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}
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/*********************************************************************
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* CRTDLL_wcscoll (CRTDLL.506)
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*/
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DWORD __cdecl CRTDLL_wcscoll( LPCWSTR str1, LPCWSTR str2 )
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{
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/* FIXME: handle collates */
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return CRTDLL_wcscmp( str1, str2 );
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}
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/***********************************************************************
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* CRTDLL_wcscpy (CRTDLL.507)
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*/
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LPWSTR __cdecl CRTDLL_wcscpy( LPWSTR dst, LPCWSTR src )
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{
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LPWSTR p = dst;
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while ((*p++ = *src++));
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return dst;
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}
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/*********************************************************************
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* CRTDLL_wcscspn (CRTDLL.508)
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*/
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INT __cdecl CRTDLL_wcscspn( LPCWSTR str, LPCWSTR reject )
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{
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LPCWSTR start = str;
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while (*str)
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{
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LPCWSTR p = reject;
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while (*p && (*p != *str)) p++;
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if (*p) break;
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str++;
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}
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return str - start;
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}
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/***********************************************************************
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* CRTDLL_wcslen (CRTDLL.510)
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*/
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INT __cdecl CRTDLL_wcslen( LPCWSTR str )
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{
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LPCWSTR s = str;
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while (*s) s++;
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return s - str;
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}
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/*********************************************************************
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* CRTDLL_wcsncat (CRTDLL.511)
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*/
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LPWSTR __cdecl CRTDLL_wcsncat( LPWSTR s1, LPCWSTR s2, INT n )
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{
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LPWSTR ret = s1;
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while (*s1) s1++;
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while (n-- > 0) if (!(*s1++ = *s2++)) return ret;
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*s1 = 0;
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return ret;
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}
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/*********************************************************************
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* CRTDLL_wcsncmp (CRTDLL.512)
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*/
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INT __cdecl CRTDLL_wcsncmp( LPCWSTR str1, LPCWSTR str2, INT n )
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{
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if (!n) return 0;
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while ((--n > 0) && *str1 && (*str1 == *str2)) { str1++; str2++; }
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return (INT)(*str1 - *str2);
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}
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/*********************************************************************
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* CRTDLL_wcsncpy (CRTDLL.513)
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*/
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LPWSTR __cdecl CRTDLL_wcsncpy( LPWSTR s1, LPCWSTR s2, INT n )
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{
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LPWSTR ret = s1;
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while (n-- > 0) if (!(*s1++ = *s2++)) break;
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while (n-- > 0) *s1++ = 0;
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return ret;
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}
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/*********************************************************************
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* CRTDLL_wcspbrk (CRTDLL.514)
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*/
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LPWSTR __cdecl CRTDLL_wcspbrk( LPCWSTR str, LPCWSTR accept )
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{
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LPCWSTR p;
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while (*str)
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{
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for (p = accept; *p; p++) if (*p == *str) return (LPWSTR)str;
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str++;
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}
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return NULL;
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}
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/*********************************************************************
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* CRTDLL_wcsrchr (CRTDLL.515)
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*/
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LPWSTR __cdecl CRTDLL_wcsrchr( LPWSTR str, WCHAR ch )
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{
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LPWSTR last = NULL;
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while (*str)
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{
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if (*str == ch) last = str;
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str++;
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}
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return last;
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}
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/*********************************************************************
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* CRTDLL_wcsspn (CRTDLL.516)
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*/
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INT __cdecl CRTDLL_wcsspn( LPCWSTR str, LPCWSTR accept )
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{
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LPCWSTR start = str;
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while (*str)
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{
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LPCWSTR p = accept;
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while (*p && (*p != *str)) p++;
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if (!*p) break;
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str++;
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}
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return str - start;
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}
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/*********************************************************************
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* CRTDLL_wcsstr (CRTDLL.517)
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*/
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LPWSTR __cdecl CRTDLL_wcsstr( LPCWSTR str, LPCWSTR sub )
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{
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while (*str)
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{
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LPCWSTR p1 = str, p2 = sub;
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while (*p1 && *p2 && *p1 == *p2) { p1++; p2++; }
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if (!*p2) return (LPWSTR)str;
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str++;
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}
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return NULL;
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}
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/*********************************************************************
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* CRTDLL_wcstok (CRTDLL.519)
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*/
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LPWSTR __cdecl CRTDLL_wcstok( LPWSTR str, LPCWSTR delim )
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{
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static LPWSTR next = NULL;
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LPWSTR ret;
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if (!str)
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if (!(str = next)) return NULL;
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while (*str && CRTDLL_wcschr( delim, *str )) str++;
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if (!*str) return NULL;
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ret = str++;
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while (*str && !CRTDLL_wcschr( delim, *str )) str++;
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if (*str) *str++ = 0;
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next = str;
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return ret;
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}
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/*********************************************************************
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* CRTDLL_wcstombs (CRTDLL.521)
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*
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* FIXME: the reason I do not use wcstombs is that it seems to fail
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* for any latin-1 valid character. Not good.
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*/
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INT __cdecl CRTDLL_wcstombs( LPSTR dst, LPCWSTR src, INT n )
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{
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int copied=0;
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while ((n>0) && *src) {
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int ret;
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/* FIXME: could potentially overflow if we ever have MB of 2 bytes*/
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ret = wctomb(dst,(wchar_t)*src);
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if (ret<0) {
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/* FIXME: sadly, some versions of glibc do not like latin characters
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* as UNICODE chars for some reason (like german umlauts). Just
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* copy those anyway. MM 991106
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*/
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*dst=*src;
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ret = 1;
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}
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dst += ret;
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n -= ret;
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copied += ret;
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src++;
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}
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return copied;
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}
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/*********************************************************************
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* CRTDLL_wctomb (CRTDLL.524)
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*/
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INT __cdecl CRTDLL_wctomb( LPSTR dst, WCHAR ch )
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{
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return wctomb( dst, (wchar_t)ch );
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}
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