By inspection,

FREE_AND_RETURN_NULL:
#ifndef USE_MMAP
    if (ze != NULL) {
if (ze->extra != NULL)
free(ze->extra);
if (ze->name != NULL)
free(ze->name);
        free(ze);
    }
    if (locbuf != NULL)
        free(locbuf);
#endif

should be

 FREE_AND_RETURN_NULL:
    if (ze != NULL) {
if (ze->extra != NULL)
free(ze->extra);
if (ze->name != NULL)
free(ze->name);
        free(ze);
    }
#ifndef USE_MMAP
    if (locbuf != NULL)
        free(locbuf);
#endif

###@###.### 2004-01-26