dev_file_lock.c

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/* file device */

#include "fb.h"

int fb_DevFileLock( FB_FILE *handle, fb_off_t position, fb_off_t size )
{
        FILE *fp;
        int             res;

        if( size==0 )
                return fb_ErrorSetNum( FB_RTERROR_ILLEGALFUNCTIONCALL );

        FB_LOCK();

        fp = (FILE*) handle->opaque;

        if( fp == NULL ) {
                FB_UNLOCK();
                return fb_ErrorSetNum( FB_RTERROR_ILLEGALFUNCTIONCALL );
        }

        res = fb_hFileLock( fp, position, size );

        FB_UNLOCK();

        return res;
}