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IC_MISC.C
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C/C++ Source or Header
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1994-05-23
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2KB
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51 lines
/***************************************************************************
* *
* Squish Developers Kit Source, Version 2.00 *
* Copyright 1989-1994 by SCI Communications. All rights reserved. *
* *
* USE OF THIS FILE IS SUBJECT TO THE RESTRICTIONS CONTAINED IN THE *
* SQUISH DEVELOPERS KIT LICENSING AGREEMENT IN SQDEV.PRN. IF YOU DO NOT *
* FIND THE TEXT OF THIS AGREEMENT IN THE AFOREMENTIONED FILE, OR IF YOU *
* DO NOT HAVE THIS FILE, YOU SHOULD IMMEDIATELY CONTACT THE AUTHOR AT *
* ONE OF THE ADDRESSES LISTED BELOW. IN NO EVENT SHOULD YOU PROCEED TO *
* USE THIS FILE WITHOUT HAVING ACCEPTED THE TERMS OF THE SQUISH *
* DEVELOPERS KIT LICENSING AGREEMENT, OR SUCH OTHER AGREEMENT AS YOU ARE *
* ABLE TO REACH WITH THE AUTHOR. *
* *
* You can contact the author at one of the address listed below: *
* *
* Scott Dudley FidoNet 1:249/106 *
* 777 Downing St. Internet sjd@f106.n249.z1.fidonet.org *
* Kingston, Ont. CompuServe >INTERNET:sjd@f106.n249.z1.fidonet.org *
* Canada K7M 5N3 BBS 1-613-634-3058, V.32bis *
* *
***************************************************************************/
#include "prog.h"
#include "progprot.h"
#define INCL_DOS
#include <os2.h>
int _fast lock(int fh, long offset, long len)
{
FILELOCK fl;
fl.lOffset=offset;
fl.lRange=len;
return (DosSetFileLocks((HFILE)fh, NULL, &fl, 0, 0)==0 ? 0 : -1);
}
int _fast unlock(int fh, long offset, long len)
{
FILELOCK fl;
fl.lOffset=offset;
fl.lRange=len;
return (DosSetFileLocks((HFILE)fh, &fl, NULL, 0, 0)==0 ? 0 : -1);
}