Category : C++ Source Code
Archive : VCCRT1.ZIP
Filename : FMSIZE.ASM
Output of file : FMSIZE.ASM contained in archive : VCCRT1.ZIP
title fmsize - C runtime far heap size
;***
;fmsize.asm - far heap size
;
; Copyright (c) 1985-1992, Microsoft Corporation. All rights reserved.
;
;Purpose:
; defines _fmsize() - far heap memory block size
;
;*******************************************************************************
include version.inc
.xlist
include cmacros.inc
.list
sBegin code
assumes ds,data
assumes cs,code
page
;***
;unsigned _fmsize(address) - return far heap memory block size
;
;Purpose:
; Returns the size in bytes of a memory block in the far heap
; allocated by _fmalloc().
;
;Entry:
; far *address - ptr to memory block
;
;Exit:
; returns size in bytes (unsigned)
;
;Uses:
;
;Exceptions:
;
;*******************************************************************************
cProc _fmsize,
parmD address
cBegin
les bx,address
mov ax,es:[bx-2]
and al,not 1 ; make even
cEnd
sEnd code
end
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