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Index > Windows > yes another sizeof error!

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Kenny80



Joined: 08 May 2005
Posts: 22
Kenny80
following line gets refused and i have no clue to how fix it!

invoke SendDlgItemMessage, [hhWnd], IDC_NAME, EM_SETLIMITTEXT, .sizeof.sName-1, 0

fasm don't like ".sizeof.sName-1" since it tries to convert it to "push .sizeof.sName-1" and all i want is like in masm where it replace ".sizeof.sName-1" with "30h-1=29h" since sName in my code is declared as 30h big "sName db 30h dup (?)", so should be converted in code to "push 29h", but how do i make it work? i don't want update all places with in source everytime sName's size change, instead just change declaration i made!
Post 19 Jul 2006, 19:28
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okasvi



Joined: 18 Aug 2005
Posts: 382
Location: Finland
okasvi
1. It's 'sizeof.*'
2. I think it does _not_ work for '<label> db/dw/dd <size> dup (?)'
but read this too: http://flatassembler.net/docs.php?article=manual#2.3.4
Post 19 Jul 2006, 19:46
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vid
Verbosity in development


Joined: 05 Sep 2003
Posts: 7105
Location: Slovakia
vid
"sizeof.*" is just normal constant that gets defined along with "struc" definition. you can define size yourself, like:
Code:
sName db 30h dup (?)
sizeof.sName = $-sName    


or more fasm-y way:

Code:
sName rb 30h
sizeof.sName = $-sName    


and if you want to know size of every such-way-defined string, or buffer, i suggest automatizing sizeof variable declaration with macro

Code:
struc buffer size {
. rb size
sizeof.#. = $ - .
}
MyString buffer 120    


can be extended to work also for initialized data...

btw: how did you come to "another sizeof error"?
Post 19 Jul 2006, 21:56
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Kenny80



Joined: 08 May 2005
Posts: 22
Kenny80
Wonderful, thx for all answers!

vid wrote:
"btw: how did you come to "another sizeof error"?


Just naming thing, i searched first for sizeof post but didn't find what i needed so instead of posting "i got sizeof error" and get reply "search forum, morron" ;D , instead i added "another" Wink
Post 20 Jul 2006, 06:52
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vid
Verbosity in development


Joined: 05 Sep 2003
Posts: 7105
Location: Slovakia
vid
well, it suggest there was some previous.... and it suggest error is on fasm's side Wink
Post 20 Jul 2006, 09:05
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