139 lines
2.7 KiB
C
139 lines
2.7 KiB
C
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/*++
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Copyright (c) Microsoft Corporation. All rights reserved.
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Module Name:
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getuname.c
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Abstract:
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Provides a function to prompt the user for a username similar to getpass
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for passwords.
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Author:
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Mike Massa (mikemas) Sept 20, 1991
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Revision History:
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Who When What
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-------- -------- ----------------------------------------------
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mikemas 03-25-92 created by cloning getpass.c
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Notes:
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Exports:
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getuname
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--*/
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#include <stdio.h>
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#include <windef.h>
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#include <winbase.h>
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#include <wincon.h>
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#include <winuser.h>
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#include <nls.h>
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#include "nlstxt.h"
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#define MAXUSERNAMELEN 32
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static char ubuf[MAXUSERNAMELEN+1];
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/******************************************************************/
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char *
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getusername(
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char *prompt
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)
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/******************************************************************/
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{
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HANDLE InHandle, OutHandle;
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BOOL Result;
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DWORD NumBytes;
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int i;
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ubuf[0] = '\0';
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InHandle = CreateFile("CONIN$",
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GENERIC_READ | GENERIC_WRITE,
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FILE_SHARE_READ | FILE_SHARE_WRITE,
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NULL,
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OPEN_EXISTING,
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FILE_ATTRIBUTE_NORMAL,
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NULL
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);
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if (InHandle == (HANDLE) -1)
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{
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NlsPutMsg(STDERR,LIBUEMUL_ERROR_GETTING_CI_HANDLE,GetLastError());
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CloseHandle(InHandle);
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return(ubuf);
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}
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OutHandle = CreateFile("CONOUT$",
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GENERIC_WRITE,
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FILE_SHARE_READ | FILE_SHARE_WRITE,
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NULL,
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OPEN_EXISTING,
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FILE_ATTRIBUTE_NORMAL,
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NULL
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);
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if (OutHandle == (HANDLE) -1)
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{
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NlsPutMsg(STDERR,LIBUEMUL_ERROR_GETTING_CO_HANDLE,GetLastError());
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CloseHandle(InHandle);
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CloseHandle(OutHandle);
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return(ubuf);
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}
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NumBytes = strlen (prompt);
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CharToOemBuff (prompt, prompt, NumBytes);
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Result =
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WriteFile (
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OutHandle,
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prompt,
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NumBytes,
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&NumBytes,
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NULL);
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if (!Result)
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{
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NlsPutMsg(STDERR,LIBUEMUL_WRITE_TO_CONSOLEOUT_ERROR, GetLastError());
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CloseHandle(InHandle);
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CloseHandle(OutHandle);
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return(ubuf);
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}
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Result =
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ReadFile(
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InHandle,
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ubuf,
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MAXUSERNAMELEN,
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&NumBytes,
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NULL);
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if (!Result)
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{
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NlsPutMsg(STDERR,LIBUEMUL_READ_FROM_CONSOLEIN_ERROR, GetLastError());
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}
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OemToCharBuff (ubuf, ubuf, NumBytes);
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// peel off linefeed
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i = (int) NumBytes;
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while(--i >= 0) {
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if ((ubuf[i] == '\n') || (ubuf[i] == '\r')) {
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ubuf[i] = '\0';
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}
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}
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CloseHandle(InHandle);
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CloseHandle(OutHandle);
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return(ubuf);
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}
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