Hi List,
I'am trying to get the the current username under windows. After a =20
little searching I found the the following api call:
BOOL GetUserName(
LPTSTR lpBuffer,
LPDWORD lpnSize
);
In REBOL I tried the following:
lib: load/library %advapi32.dll ; no error
user: make routine! [arg1 [string!] agr2 [integer!] return: =20
[integer!]] lib "GetUserNameA" ; no error
name: make string! 1000
buffersize: 1000
user name buffersize ; crashes rebol
After hitting <enter> rebol crashes. I tried different values for name =20
and buffersize. I tried arg2 as string! type. Rebol then stops =20
crashing but no name or anything else is returnt.
Can someone give me a hint on what I 'am doing wrong? Or maybe is =20
there some other way to get the current user who is logged in?
Thanks Tim
I have included the official MS info:
Parameters
lpBuffer
[out] A pointer to the buffer to receive the user's logon name. =20
If this buffer is not large enough to contain the entire user name, =20
the function fails. A buffer size of (UNLEN + 1) characters will hold =20
the maximum length user name including the terminating null character. =20
UNLEN is defined in Lmcons.h.
lpnSize
[in, out] On input, this variable specifies the size of the =20
lpBuffer buffer, in TCHARs. On output, the variable receives the =20
number of TCHARs copied to the buffer, including the terminating null =20
character.
If lpBuffer is too small, the function fails and GetLastError =20
returns ERROR_INSUFFICIENT_BUFFER. This parameter receives the =20
required buffer size, including the terminating null character.
If this parameter is greater than 32767, the function fails and =20
GetLastError returns ERROR_INSUFFICIENT_BUFFER.
Return Value
If the function succeeds, the return value is a nonzero value, and the =20
variable pointed to by lpnSize contains the number of TCHARs copied to =20
the buffer specified by lpBuffer, including the terminating null =20
character.
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