157 lines
3.4 KiB
C++
157 lines
3.4 KiB
C++
/*******************************************************************************
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*
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* (C) COPYRIGHT MICROSOFT CORP., 1993-1995
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* TITLE: USBUTIL.CPP
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* VERSION: 1.0
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* AUTHOR: jsenior
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* DATE: 10/28/1998
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*
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********************************************************************************
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*
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* CHANGE LOG:
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*
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* DATE REV DESCRIPTION
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* ---------- ------- ----------------------------------------------------------
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* 10/28/1998 jsenior Original implementation.
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*
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*******************************************************************************/
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#include "usbutil.h"
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extern HINSTANCE gHInst;
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BOOL
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SetTextItem (HWND hWnd,
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int ControlItem,
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TCHAR *s)
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{
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HWND control;
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if (NULL == (control = GetDlgItem(hWnd, ControlItem))) {
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return FALSE;
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}
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return SetWindowText(control, s);
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}
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BOOL
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SetTextItem (HWND hWnd,
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int ControlItem,
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int StringItem)
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{
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TCHAR buf[1000];
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if ( !LoadString(gHInst, StringItem, buf, 1000)) {
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return FALSE;
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}
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return SetTextItem(hWnd, ControlItem, buf);
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}
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/*
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* strToGUID
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*
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* converts a string in the form xxxxxxxx-xxxx-xxxx-xx-xx-xx-xx-xx-xx-xx-xx
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* {36FC9E60-C465-11CF-8056-444553540000}
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* into a guid
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*/
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BOOL StrToGUID( LPSTR str, GUID * pguid )
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{
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int idx;
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LPSTR ptr;
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LPSTR next;
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DWORD data;
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DWORD mul;
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BYTE ch;
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BOOL done;
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int count;
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idx = 0;
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done = FALSE;
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if (*str == '{') {
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str++;
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}
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while( !done )
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{
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/*
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* find the end of the current run of digits
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*/
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ptr = str;
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if (idx < 3 || idx == 4) {
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while( (*str) != '-' && (*str) != 0 ) {
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str++;
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}
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if( *str == 0 || *str == '}') {
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done = TRUE;
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} else {
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next = str+1;
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}
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} else if (idx == 3 || idx > 4) {
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for( count = 0; (*str) != 0 && count < 2; count++ ) {
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str++;
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}
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if( *str == 0 || *str == '}') {
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done = TRUE;
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} else {
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next = str;
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}
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}
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/*
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* scan backwards from the end of the string to the beginning,
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* converting characters from hex chars to numbers as we go
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*/
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str--;
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mul = 1;
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data = 0;
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while(str >= ptr) {
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ch = *str;
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if( ch >= 'A' && ch <= 'F' ) {
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data += mul * (DWORD) (ch-'A'+10);
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} else if( ch >= 'a' && ch <= 'f' ) {
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data += mul * (DWORD) (ch-'a'+10);
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} else if( ch >= '0' && ch <= '9' ) {
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data += mul * (DWORD) (ch-'0');
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} else {
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return FALSE;
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}
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mul *= 16;
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str--;
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}
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/*
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* stuff the current number into the guid
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*/
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switch( idx )
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{
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case 0:
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pguid->Data1 = data;
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break;
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case 1:
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pguid->Data2 = (WORD) data;
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break;
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case 2:
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pguid->Data3 = (WORD) data;
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break;
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default:
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pguid->Data4[ idx-3 ] = (BYTE) data;
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break;
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}
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/*
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* did we find all 11 numbers?
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*/
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idx++;
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if( idx == 11 )
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{
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if( done ) {
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return TRUE;
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} else {
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return FALSE;
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}
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}
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str = next;
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}
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return FALSE;
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} /* strToGUID */
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