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Diffstat (limited to '')
| -rw-r--r-- | libc-top-half/musl/src/network/lookup.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/libc-top-half/musl/src/network/lookup.h b/libc-top-half/musl/src/network/lookup.h new file mode 100644 index 0000000..ef66272 --- /dev/null +++ b/libc-top-half/musl/src/network/lookup.h @@ -0,0 +1,55 @@ +#ifndef LOOKUP_H +#define LOOKUP_H + +#include <stdint.h> +#include <stddef.h> +#include <features.h> +#include <netinet/in.h> +#include <netdb.h> + +struct aibuf { + struct addrinfo ai; + union sa { + struct sockaddr_in sin; + struct sockaddr_in6 sin6; + } sa; + volatile int lock[1]; + short slot, ref; +}; + +struct address { + int family; + unsigned scopeid; + uint8_t addr[16]; + int sortkey; +}; + +struct service { + uint16_t port; + unsigned char proto, socktype; +}; + +#define MAXNS 3 + +struct resolvconf { + struct address ns[MAXNS]; + unsigned nns, attempts, ndots; + unsigned timeout; +}; + +/* The limit of 48 results is a non-sharp bound on the number of addresses + * that can fit in one 512-byte DNS packet full of v4 results and a second + * packet full of v6 results. Due to headers, the actual limit is lower. */ +#define MAXADDRS 48 +#define MAXSERVS 2 + +hidden int __lookup_serv(struct service buf[static MAXSERVS], const char *name, int proto, int socktype, int flags); +hidden int __lookup_name(struct address buf[static MAXADDRS], char canon[static 256], const char *name, int family, int flags); +hidden int __lookup_ipliteral(struct address buf[static 1], const char *name, int family); + +hidden int __get_resolv_conf(struct resolvconf *, char *, size_t); +hidden int __res_msend_rc(int, const unsigned char *const *, const int *, unsigned char *const *, int *, int, const struct resolvconf *); + +hidden int __dns_parse(const unsigned char *, int, int (*)(void *, int, const void *, int, const void *), void *); + +#endif |