#ifndef _RESOLV_STATIC_H #define _RESOLV_STATIC_H #include <netdb.h> /* this structure contains all the variables that were declared * 'static' in the original NetBSD resolver code. * * this caused vast amounts of crashes and memory corruptions * when the resolver was being used by multiple threads. * * (note: the OpenBSD/FreeBSD resolver has similar 'issues') */ #define MAXALIASES 35 #define MAXADDRS 35 typedef struct res_static { char* h_addr_ptrs[MAXADDRS + 1]; char* host_aliases[MAXALIASES]; char hostbuf[8*1024]; u_int32_t host_addr[16 / sizeof(u_int32_t)]; /* IPv4 or IPv6 */ FILE* hostf; int stayopen; const char* servent_ptr; struct servent servent; struct hostent host; } *res_static; extern res_static __res_get_static(void); #endif /* _RESOLV_STATIC_H */