How to use GetComputerName API, I am new to asm can anyone help how to use GetComputerName API in masm?

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s.raj

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Posts: 34
Member No.: 48809
Joined: 7-January 12

Hi,

I am new to asm anyone help how to use GetComputerName API in masm?

Regards,


ragdog
Extremely Active Member Group: Moderators Posts: 874 Member No.: 5019 Joined: 13-May 07	Syntax BOOL WINAPI GetComputerName( __out LPTSTR lpBuffer, __inout LPDWORD lpnSize ); Parameters lpBuffer [out] A pointer to a buffer that receives the computer name or the cluster virtual server name. The buffer size should be large enough to contain MAX_COMPUTERNAME_LENGTH + 1 characters. lpnSize [in, out] On input, specifies the size of the buffer, in TCHARs. On output, the number of TCHARs copied to the destination buffer, not including the terminating null character. If the buffer is too small, the function fails and GetLastError returns ERROR_BUFFER_OVERFLOW. The lpnSize parameter specifies the size of the buffer required, including the terminating null character. http://msdn.microsoft.com/en-us/library/windows/desktop/ms724295%28v=vs.85%29.aspx

winnet

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Joined: 18-January 11

CODE

.386
.model flat, stdcall
option casemap:none
include \masm32\include\windows.inc
include \masm32\include\kernel32.inc
include \masm32\include\user32.inc

includelib \masm32\lib\kernel32.lib
includelib \masm32\lib\user32.lib

bufSize=MAX_COMPUTERNAME_LENGTH + 1
.data

format1 db 'Computer Name is = %s',0
capt db 'Hello',0
buffer db 100 dup(?)
bSize dd bufSize
getName db bufSize dup(?)

.code

start:

invoke GetComputerName,ADDR getName,ADDR bSize

invoke wsprintf,ADDR buffer,ADDR format1,ADDR getName
invoke MessageBox,0,ADDR buffer,ADDR capt,MB_OK

invoke ExitProcess,0

END start


s.raj
Member Group: Members Posts: 34 Member No.: 48809 Joined: 7-January 12	Thank you !


s.raj
Member Group: Members Posts: 34 Member No.: 48809 Joined: 7-January 12	For what wsprintf invoked? Thanks in advance!

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