michael@0: /*
michael@0:  * This version of this file is derived from Android 2.3 "Gingerbread",
michael@0:  * which contains uncredited changes by Android/Google developers.  It has
michael@0:  * been modified in 2011 for use in the Android build of Mozilla Firefox by
michael@0:  * Mozilla contributors (including Michael Edwards <m.k.edwards@gmail.com>,
michael@0:  * and Steve Workman <sjhworkman@gmail.com>).
michael@0:  * These changes are offered under the same license as the original NetBSD
michael@0:  * file, whose copyright and license are unchanged above.
michael@0:  */
michael@0: 
michael@0: #ifndef _RESOLV_STATIC_H
michael@0: #define _RESOLV_STATIC_H
michael@0: 
michael@0: #include <netdb.h>
michael@0: 
michael@0: /* this structure contains all the variables that were declared
michael@0:  * 'static' in the original NetBSD resolver code.
michael@0:  *
michael@0:  * this caused vast amounts of crashes and memory corruptions
michael@0:  * when the resolver was being used by multiple threads.
michael@0:  *
michael@0:  * (note: the OpenBSD/FreeBSD resolver has similar 'issues')
michael@0:  */
michael@0: 
michael@0: #define	MAXALIASES	35
michael@0: #define	MAXADDRS	35
michael@0: 
michael@0: typedef struct res_static {
michael@0:     char*           h_addr_ptrs[MAXADDRS + 1];
michael@0:     char*           host_aliases[MAXALIASES];
michael@0:     char            hostbuf[8*1024];
michael@0:     u_int32_t       host_addr[16 / sizeof(u_int32_t)];  /* IPv4 or IPv6 */
michael@0:     FILE*           hostf;
michael@0:     int             stayopen;
michael@0:     const char*     servent_ptr;
michael@0:     struct servent  servent;
michael@0:     struct hostent  host;
michael@0: } *res_static;
michael@0: 
michael@0: extern res_static __res_get_static(void);
michael@0: 
michael@0: #endif /* _RESOLV_STATIC_H */