Types.C

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/************************************************************************
 * $Id: Types.C,v 1.7 2007/05/30 19:20:17 legendre Exp $
 * Types.C: commonly used type-handling functions.
************************************************************************/

#include "common/h/Types.h"
#include <stdio.h>
#include <assert.h>

// verify the size of the defined Address type
void Address_chk ()
{
    assert (sizeof(Address) == sizeof(void*));
}

static const unsigned int _numaddrstrs=8;
                        // maximum number of addresses per outstanding printf!
static char _addrstr[_numaddrstrs][19]; // "0x"+16+'\0'

// Format an address string according to the size of the Address type.
// Note that "%x" outputs incorrect/incomplete addresses, and that "%lx"
// or system-dependent "%p" (generally also requiring a typecast to (void*))
// must be used instead!
char *Address_str (Address addr)
{
    static int i=0;
    i=(i+1)%_numaddrstrs;
    if (sizeof(Address) == sizeof(int))
        snprintf(_addrstr[i],19,"0x%08X",(unsigned int)addr);
    else
        snprintf(_addrstr[i],19,"0x%016lX",(unsigned long)addr);
    return (_addrstr[i]);
}


int ThrIDToTid(Dyninst::THR_ID id)
{
#if defined(os_windows)
    // This is vista-only; for the time being, we'll return the handle as a dword
    //   return GetThreadId(id);
    return (unsigned long) id;
#else
   return (int) id;
#endif
}