376 lines
8.4 KiB
C
376 lines
8.4 KiB
C
/*
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* msvcrt.dll wide-char functions
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*
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* Copyright 1999 Alexandre Julliard
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* Copyright 2000 Jon Griffiths
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*/
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#include <limits.h>
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#include <stdio.h>
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#include "msvcrt.h"
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#include "winnls.h"
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#include "wine/unicode.h"
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#include "msvcrt/stdio.h"
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#include "msvcrt/stdlib.h"
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#include "msvcrt/string.h"
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#include "msvcrt/wctype.h"
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DEFAULT_DEBUG_CHANNEL(msvcrt);
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/* INTERNAL: MSVCRT_malloc() based wstrndup */
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WCHAR* msvcrt_wstrndup(LPCWSTR buf, unsigned int size)
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{
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WCHAR* ret;
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unsigned int len = strlenW(buf), max_len;
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max_len = size <= len? size : len + 1;
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ret = MSVCRT_malloc(max_len * sizeof (WCHAR));
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if (ret)
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{
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memcpy(ret,buf,max_len * sizeof (WCHAR));
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ret[max_len] = 0;
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}
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return ret;
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}
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/*********************************************************************
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* _wcsdup (MSVCRT.@)
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*/
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WCHAR* _wcsdup( const WCHAR* str )
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{
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WCHAR* ret = NULL;
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if (str)
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{
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int size = (strlenW(str) + 1) * sizeof(WCHAR);
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ret = MSVCRT_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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* _wcsicoll (MSVCRT.@)
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*/
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INT _wcsicoll( const WCHAR* str1, const WCHAR* str2 )
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{
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/* FIXME: handle collates */
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return strcmpiW( str1, str2 );
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}
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/*********************************************************************
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* _wcsnset (MSVCRT.@)
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*/
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WCHAR* _wcsnset( WCHAR* str, WCHAR c, MSVCRT_size_t n )
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{
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WCHAR* 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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* _wcsrev (MSVCRT.@)
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*/
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WCHAR* _wcsrev( WCHAR* str )
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{
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WCHAR* ret = str;
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WCHAR* end = str + strlenW(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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* _wcsset (MSVCRT.@)
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*/
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WCHAR* _wcsset( WCHAR* str, WCHAR c )
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{
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WCHAR* 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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* _vsnwprintf (MSVCRT.@)
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*/
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int _vsnwprintf(WCHAR *str, unsigned int len,
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const WCHAR *format, va_list valist)
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{
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/* If you fix a bug in this function, fix it in ntdll/wcstring.c also! */
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unsigned int written = 0;
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const WCHAR *iter = format;
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char bufa[256], fmtbufa[64], *fmta;
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TRACE("(%d,%s)\n",len,debugstr_w(format));
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while (*iter)
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{
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while (*iter && *iter != (WCHAR)L'%')
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{
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if (written++ >= len)
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return -1;
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*str++ = *iter++;
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}
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if (*iter == (WCHAR)L'%')
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{
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fmta = fmtbufa;
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*fmta++ = *iter++;
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while (*iter == (WCHAR)L'0' ||
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*iter == (WCHAR)L'+' ||
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*iter == (WCHAR)L'-' ||
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*iter == (WCHAR)L' ' ||
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*iter == (WCHAR)L'0' ||
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*iter == (WCHAR)L'*' ||
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*iter == (WCHAR)L'#')
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{
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if (*iter == (WCHAR)L'*')
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{
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char *buffiter = bufa;
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int fieldlen = va_arg(valist, int);
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sprintf(buffiter, "%d", fieldlen);
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while (*buffiter)
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*fmta++ = *buffiter++;
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}
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else
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*fmta++ = *iter;
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iter++;
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}
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while (isdigit(*iter))
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*fmta++ = *iter++;
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if (*iter == (WCHAR)L'.')
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{
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*fmta++ = *iter++;
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if (*iter == (WCHAR)L'*')
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{
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char *buffiter = bufa;
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int fieldlen = va_arg(valist, int);
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sprintf(buffiter, "%d", fieldlen);
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while (*buffiter)
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*fmta++ = *buffiter++;
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}
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else
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while (isdigit(*iter))
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*fmta++ = *iter++;
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}
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if (*iter == (WCHAR)L'h' ||
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*iter == (WCHAR)L'l')
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{
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*fmta++ = *iter++;
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*fmta++ = *iter++;
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}
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switch (*iter)
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{
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case (WCHAR)L's':
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{
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static const WCHAR none[] = { '(', 'n', 'u', 'l', 'l', ')', 0 };
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const WCHAR *wstr = va_arg(valist, const WCHAR *);
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const WCHAR *striter = wstr ? wstr : none;
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while (*striter)
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{
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if (written++ >= len)
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return -1;
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*str++ = *striter++;
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}
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iter++;
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break;
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}
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case (WCHAR)L'c':
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if (written++ >= len)
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return -1;
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*str++ = (WCHAR)va_arg(valist, int);
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iter++;
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break;
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default:
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{
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/* For non wc types, use system sprintf and append to wide char output */
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/* FIXME: for unrecognised types, should ignore % when printing */
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char *bufaiter = bufa;
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if (*iter == (WCHAR)L'p')
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sprintf(bufaiter, "%08lX", va_arg(valist, long));
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else
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{
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*fmta++ = *iter;
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*fmta = '\0';
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if (*iter == (WCHAR)L'f')
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sprintf(bufaiter, fmtbufa, va_arg(valist, double));
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else
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sprintf(bufaiter, fmtbufa, va_arg(valist, void *));
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}
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while (*bufaiter)
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{
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if (written++ >= len)
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return -1;
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*str++ = *bufaiter++;
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}
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iter++;
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break;
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}
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}
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}
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}
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if (written >= len)
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return -1;
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*str++ = (WCHAR)L'\0';
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return (int)written;
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}
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/*********************************************************************
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* vswprintf (MSVCRT.@)
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*/
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int MSVCRT_vswprintf( WCHAR* str, const WCHAR* format, va_list args )
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{
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return _vsnwprintf( str, INT_MAX, format, args );
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}
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/*********************************************************************
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* wcscoll (MSVCRT.@)
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*/
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int MSVCRT_wcscoll( const WCHAR* str1, const WCHAR* str2 )
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{
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/* FIXME: handle collates */
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return strcmpW( str1, str2 );
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}
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/*********************************************************************
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* wcspbrk (MSVCRT.@)
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*/
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WCHAR* MSVCRT_wcspbrk( const WCHAR* str, const WCHAR* accept )
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{
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const WCHAR* p;
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while (*str)
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{
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for (p = accept; *p; p++) if (*p == *str) return (WCHAR*)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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* wctomb (MSVCRT.@)
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*/
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INT MSVCRT_wctomb( char *dst, WCHAR ch )
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{
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return WideCharToMultiByte( CP_ACP, 0, &ch, 1, dst, 6, NULL, NULL );
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}
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/*********************************************************************
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* iswalnum (MSVCRT.@)
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*/
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INT MSVCRT_iswalnum( WCHAR wc )
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{
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return isalnumW( wc );
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}
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/*********************************************************************
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* iswalpha (MSVCRT.@)
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*/
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INT MSVCRT_iswalpha( WCHAR wc )
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{
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return isalphaW( wc );
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}
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/*********************************************************************
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* iswcntrl (MSVCRT.@)
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*/
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INT MSVCRT_iswcntrl( WCHAR wc )
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{
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return iscntrlW( wc );
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}
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/*********************************************************************
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* iswdigit (MSVCRT.@)
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*/
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INT MSVCRT_iswdigit( WCHAR wc )
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{
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return isdigitW( wc );
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}
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/*********************************************************************
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* iswgraph (MSVCRT.@)
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*/
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INT MSVCRT_iswgraph( WCHAR wc )
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{
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return isgraphW( wc );
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}
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/*********************************************************************
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* iswlower (MSVCRT.@)
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*/
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INT MSVCRT_iswlower( WCHAR wc )
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{
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return islowerW( wc );
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}
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/*********************************************************************
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* iswprint (MSVCRT.@)
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*/
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INT MSVCRT_iswprint( WCHAR wc )
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{
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return isprintW( wc );
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}
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/*********************************************************************
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* iswpunct (MSVCRT.@)
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*/
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INT MSVCRT_iswpunct( WCHAR wc )
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{
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return ispunctW( wc );
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}
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/*********************************************************************
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* iswspace (MSVCRT.@)
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*/
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INT MSVCRT_iswspace( WCHAR wc )
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{
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return isspaceW( wc );
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}
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/*********************************************************************
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* iswupper (MSVCRT.@)
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*/
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INT MSVCRT_iswupper( WCHAR wc )
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{
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return isupperW( wc );
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}
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/*********************************************************************
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* iswxdigit (MSVCRT.@)
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*/
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INT MSVCRT_iswxdigit( WCHAR wc )
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{
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return isxdigitW( wc );
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}
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/*********************************************************************
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* _itow (MSVCRT.@)
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*/
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WCHAR* _itow(int value,WCHAR* out,int base)
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{
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char buf[64];
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_itoa(value, buf, base);
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MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, buf, -1, out, 128);
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return out;
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}
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/*********************************************************************
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* _ltow (MSVCRT.@)
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*/
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WCHAR* _ltow(long value,WCHAR* out,int base)
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{
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char buf[128];
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_ltoa(value, buf, base);
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MultiByteToWideChar (CP_ACP, MB_PRECOMPOSED, buf, -1, out, 128);
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return out;
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}
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