Internal Allocation

The following functions are to be used for internal allocation of small blocks in our allocator.

Return codes signalling an error are thrown as exceptions.

#define INTERNAL_MS_HEAP    0
#define INTERNAL_MS_CRTL    1

int itype = INTERNAL_MS_HEAP;

void *imalloc (unsigned size) {
    switch (itype) {
    case INTERNAL_MS_HEAP:
        return ::HeapAlloc (::GetProcessHeap (), 0, size);
    case INTERNAL_MS_CRTL:
        return malloc (size);
    }
    return 0;
}
void *irealloc (void *ptr, unsigned size) {
    switch (itype) {
    case INTERNAL_MS_HEAP:
        return ::HeapReAlloc (::GetProcessHeap (), 0, ptr, size);
    case INTERNAL_MS_CRTL:
        return realloc (ptr, size);
    }
    return 0;
}
void ifree (void *ptr) {
    switch (itype) {
    case INTERNAL_MS_HEAP:
        if (! ::HeapFree (::GetProcessHeap (), 0, ptr))
            throw COSException (__FILE__, __LINE__);
        return;
    case INTERNAL_MS_CRTL:
        free (ptr);
        return;
    }
}

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