69 lines
2.1 KiB
C
69 lines
2.1 KiB
C
|
#include <c_SockAddr.h>
|
||
|
|
|
||
|
|
c_err_t c_SockAddr_Init(c_SockAddr_t* self, int family, const char* ip, uint16_t port) {
|
||
|
|
if (!self ) return C_ERR_PARAM;
|
||
|
|
|
||
|
|
/* Wipe the target memory layout clear up front to prevent uninitialized garbage bits */
|
||
|
|
memset(self, 0, sizeof(c_SockAddr_t));
|
||
|
|
|
||
|
|
/* 1. Parse and initialize as an IPv4 Address */
|
||
|
|
if (family == AF_INET) {
|
||
|
|
self->ipv4.sin_family = AF_INET;
|
||
|
|
self->ipv4.sin_port = htons(port);
|
||
|
|
self->size = sizeof(self->ipv4);
|
||
|
|
if (ip) {
|
||
|
|
if (inet_pton(AF_INET, ip, &(self->ipv4.sin_addr)) == 1) {
|
||
|
|
return C_ERR_OK;
|
||
|
|
}else {
|
||
|
|
return C_ERR_FAIL; /* Invalid IPv4 string format */
|
||
|
|
}
|
||
|
|
}else {
|
||
|
|
self->ipv4.sin_addr.s_addr = htonl(INADDR_ANY);
|
||
|
|
}
|
||
|
|
return C_ERR_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* 2. Parse and initialize as an IPv6 Address */
|
||
|
|
if (family == AF_INET6) {
|
||
|
|
self->ipv6.sin6_family = AF_INET6;
|
||
|
|
self->ipv6.sin6_port = htons(port);
|
||
|
|
self->size = sizeof(self->ipv6);
|
||
|
|
|
||
|
|
if (ip) {
|
||
|
|
if (inet_pton(AF_INET6, ip, &(self->ipv6.sin6_addr)) == 1) {
|
||
|
|
return C_ERR_OK;
|
||
|
|
}else {
|
||
|
|
return C_ERR_FAIL;/* Invalid IPv6 string format */
|
||
|
|
}
|
||
|
|
}else {
|
||
|
|
self->ipv6.sin6_addr = in6addr_any;
|
||
|
|
}
|
||
|
|
|
||
|
|
return C_ERR_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* 3. Return an parameter error if an unsupported address family parameter is requested */
|
||
|
|
return C_ERR_PARAM;
|
||
|
|
}
|
||
|
|
|
||
|
|
c_err_t c_SockAddr_ToString(const c_SockAddr_t* self, char* out_str, c_size_t str_cap) {
|
||
|
|
if (!self || !out_str || str_cap == 0) return C_ERR_PARAM;
|
||
|
|
|
||
|
|
const void* src_addr = NULL;
|
||
|
|
int family = self->ipv4.sin_family;
|
||
|
|
|
||
|
|
if (family == AF_INET) {
|
||
|
|
src_addr = &(self->ipv4.sin_addr);
|
||
|
|
} else if (family == AF_INET6) {
|
||
|
|
src_addr = &(self->ipv6.sin6_addr);
|
||
|
|
} else {
|
||
|
|
return C_ERR_FAIL; /* Unknown address family variant */
|
||
|
|
}
|
||
|
|
|
||
|
|
if (inet_ntop(family, src_addr, out_str, (size_t)str_cap) == NULL) {
|
||
|
|
return C_ERR_OUTOFBOUND; /* String buffer capacity limit was too small */
|
||
|
|
}
|
||
|
|
|
||
|
|
return C_ERR_OK;
|
||
|
|
}
|