Mercurial > repos > blastem
view net.c @ 1925:039553703c20
Don't apply address and cd register changes to the 'live' registers until pending flag is cleared, but do preserve the upper address bits in the latch. Fixes regression in Overdrive 2 while preserving fix to Mona in 344 bytes
author | Michael Pavone <pavone@retrodev.com> |
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date | Mon, 13 Apr 2020 20:43:25 -0700 |
parents | 78abbabfd58d |
children |
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#include <sys/types.h> #include <ifaddrs.h> #include <netinet/in.h> #include "net.h" static uint8_t is_loopback(struct sockaddr_in *addr) { return (addr->sin_addr.s_addr & 0xFF) == 127; } static void format_address(uint8_t *dst, struct sockaddr_in *addr) { long ip = addr->sin_addr.s_addr; dst[0] = ip; dst[1] = ip >> 8; dst[2] = ip >> 16; dst[3] = ip >> 24; } uint8_t get_host_address(iface_info *out) { #ifdef __ANDROID__ //TODO: write an implementation for Android return 0; #else struct ifaddrs *entries, *current, *localhost; if (getifaddrs(&entries)) { return 0; } for (current = entries; current; current = current->ifa_next) { if (current->ifa_addr && current->ifa_addr->sa_family == AF_INET) { struct sockaddr_in *addr = (struct sockaddr_in *)current->ifa_addr; if (is_loopback(addr)) { localhost = current; } else { break; } } } if (!current && localhost) { current = localhost; } uint8_t ret = 0; if (current) { ret = 1; format_address(out->ip, (struct sockaddr_in *)current->ifa_addr); format_address(out->net_mask, (struct sockaddr_in *)current->ifa_netmask); } freeifaddrs(entries); return ret; #endif }