2 * include/ircd_reslib.h
3 * (C)opyright 1992 Darren Reed.
7 #ifndef INCLUDED_ircdreslib_h
8 #define INCLUDED_ircdreslib_h
13 * Inline versions of get/put short/long. Pointer is advanced.
15 #define IRC_NS_GET16(s, cp) { \
16 const unsigned char *t_cp = (const unsigned char *)(cp); \
17 (s) = ((uint16_t)t_cp[0] << 8) \
18 | ((uint16_t)t_cp[1]) \
23 #define IRC_NS_GET32(l, cp) { \
24 const unsigned char *t_cp = (const unsigned char *)(cp); \
25 (l) = ((uint32_t)t_cp[0] << 24) \
26 | ((uint32_t)t_cp[1] << 16) \
27 | ((uint32_t)t_cp[2] << 8) \
28 | ((uint32_t)t_cp[3]) \
33 #define IRC_NS_PUT16(s, cp) { \
34 uint16_t t_s = (uint16_t)(s); \
35 unsigned char *t_cp = (unsigned char *)(cp); \
41 #define IRC_NS_PUT32(l, cp) { \
42 uint32_t t_l = (uint32_t)(l); \
43 unsigned char *t_cp = (unsigned char *)(cp); \
44 *t_cp++ = t_l >> 24; \
45 *t_cp++ = t_l >> 16; \
53 int irc_res_init(void);
54 int irc_dn_expand(const unsigned char *msg, const unsigned char *eom, const unsigned char *src, char *dst, int dstsiz);
55 int irc_ns_name_uncompress(const unsigned char *msg, const unsigned char *eom, const unsigned char *src, char *dst, size_t dstsiz);
56 int irc_ns_name_unpack(const unsigned char *msg, const unsigned char *eom, const unsigned char *src, unsigned char *dst, size_t dstsiz);
57 int irc_ns_name_ntop(const char *src, char *dst, size_t dstsiz);
58 int irc_dn_comp(const char *src, unsigned char *dst, int dstsiz, unsigned char **dnptrs, unsigned char **lastdnptr);
59 int irc_dn_skipname(const unsigned char *ptr, const unsigned char *eom);
60 int irc_ns_name_skip(const unsigned char **ptrptr, const unsigned char *eom);
61 unsigned int irc_ns_get16(const unsigned char *src);
62 unsigned long irc_ns_get32(const unsigned char *src);
63 void irc_ns_put16(unsigned int src, unsigned char *dst);
64 void irc_ns_put32(unsigned long src, unsigned char *dst);
65 int irc_ns_name_pton(const char *src, unsigned char *dst, size_t dstsiz);
66 int irc_ns_name_pack(const unsigned char *src, unsigned char *dst, int dstsiz, const unsigned char **dnptrs, const unsigned char **lastdnptr);
67 int irc_res_mkquery(const char *dname, int class, int type, unsigned char *buf, int buflen);
68 #endif /* INCLUDED_res_h */