maksw/nt-lite
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rewrite comments into one, unified style

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maksw committed 2026-06-15 10:17:48 +02:00
1 parent 6260de0085
commit 467a58c9c6
163 files changed
+3560 -2556
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code/user/personalities/posix/posix_socket.c
+31 -1
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@@ -1,4 +1,5 @@
// posix_socket.c - POSIX-ish socket wrappers over native Sys* sockets.
// POSIX compatibility support for posix socket.
#include <stddef.h>
#include <stdlib.h>
#include <stdint.h>
@@ -7,10 +8,12 @@
#include "posix.h"
#include "posix_fd.h"
// Implements the bswap16 operation.
static uint16_t bswap16(uint16_t x) {
return (uint16_t)((x << 8) | (x >> 8));
}
// Implements the bswap32 operation.
static uint32_t bswap32(uint32_t x) {
return ((x & 0x000000FFu) << 24) |
((x & 0x0000FF00u) << 8) |
@@ -18,11 +21,16 @@ static uint32_t bswap32(uint32_t x) {
((x & 0xFF000000u) >> 24);
}
// Implements the htons operation.
__declspec(dllexport) uint16_t htons(uint16_t x) { return bswap16(x); }
// Implements the ntohs operation.
__declspec(dllexport) uint16_t ntohs(uint16_t x) { return bswap16(x); }
// Implements the htonl operation.
__declspec(dllexport) uint32_t htonl(uint32_t x) { return bswap32(x); }
// Implements the ntohl operation.
__declspec(dllexport) uint32_t ntohl(uint32_t x) { return bswap32(x); }
// Parses byte.
static int ParseByte(const char** p, uint8_t* out) {
const char* s = *p;
if (*s < '0' || *s > '9') return 0;
@@ -37,6 +45,7 @@ static int ParseByte(const char** p, uint8_t* out) {
return 1;
}
// Parses ipv4 Bytes.
static int ParseIpv4Bytes(const char* text, uint8_t out[4]) {
const char* p = text;
for (int i = 0; i < 4; i++) {
@@ -49,6 +58,7 @@ static int ParseIpv4Bytes(const char* text, uint8_t out[4]) {
return *p == '\0';
}
// Implements the inet addr operation.
__declspec(dllexport) in_addr_t inet_addr(const char* text) {
uint8_t b[4];
if (!text || !ParseIpv4Bytes(text, b)) return INADDR_NONE;
@@ -58,6 +68,7 @@ __declspec(dllexport) in_addr_t inet_addr(const char* text) {
return out;
}
// Implements the inet ntoa operation.
__declspec(dllexport) char* inet_ntoa(struct in_addr in) {
static char buf[16];
const uint8_t* p = (const uint8_t*)&in.s_addr;
@@ -74,6 +85,7 @@ __declspec(dllexport) char* inet_ntoa(struct in_addr in) {
return buf;
}
// Implements the sock Addr To Sys operation.
static int SockAddrToSys(const struct sockaddr* addr, socklen_t addrlen, SYS_SOCKET_ADDRESS_IPV4* out) {
if (!addr || !out || addrlen < sizeof(struct sockaddr_in)) { errno = EINVAL; return -1; }
const struct sockaddr_in* in = (const struct sockaddr_in*)addr;
@@ -90,6 +102,7 @@ static int SockAddrToSys(const struct sockaddr* addr, socklen_t addrlen, SYS_SOC
return 0;
}
// Implements the to Sock Addr operation.
static void SysToSockAddr(const SYS_SOCKET_ADDRESS_IPV4* in, struct sockaddr* addr, socklen_t* addrlen) {
if (!addr || !addrlen) return;
if (*addrlen < sizeof(struct sockaddr_in)) {
@@ -109,6 +122,7 @@ static void SysToSockAddr(const SYS_SOCKET_ADDRESS_IPV4* in, struct sockaddr* ad
*addrlen = sizeof(struct sockaddr_in);
}
// Implements the socket Fd Get operation.
static FD_ENTRY* SocketFdGet(int fd) {
FD_ENTRY* e = FdGet(SysGetCurrentPid(), fd);
if (!e) return (FD_ENTRY*)0;
@@ -116,6 +130,7 @@ static FD_ENTRY* SocketFdGet(int fd) {
return e;
}
// Implements the socket operation.
__declspec(dllexport) int socket(int domain, int type, int protocol) {
uint32_t kh = 0;
uint32_t s = SysCreateSocket((uint32_t)domain, (uint32_t)type, (uint32_t)protocol, &kh);
@@ -129,6 +144,7 @@ __declspec(dllexport) int socket(int domain, int type, int protocol) {
return fd;
}
// Implements the bind operation.
__declspec(dllexport) int bind(int fd, const struct sockaddr* addr, socklen_t addrlen) {
FD_ENTRY* e = SocketFdGet(fd);
if (!e) return -1;
@@ -139,6 +155,7 @@ __declspec(dllexport) int bind(int fd, const struct sockaddr* addr, socklen_t ad
return 0;
}
// Implements the listen operation.
__declspec(dllexport) int listen(int fd, int backlog) {
FD_ENTRY* e = SocketFdGet(fd);
if (!e) return -1;
@@ -147,6 +164,7 @@ __declspec(dllexport) int listen(int fd, int backlog) {
return 0;
}
// Implements the accept operation.
__declspec(dllexport) int accept(int fd, struct sockaddr* addr, socklen_t* addrlen) {
FD_ENTRY* e = SocketFdGet(fd);
if (!e) return -1;
@@ -167,6 +185,7 @@ __declspec(dllexport) int accept(int fd, struct sockaddr* addr, socklen_t* addrl
return outfd;
}
// Implements the connect operation.
__declspec(dllexport) int connect(int fd, const struct sockaddr* addr, socklen_t addrlen) {
FD_ENTRY* e = SocketFdGet(fd);
if (!e) return -1;
@@ -177,6 +196,7 @@ __declspec(dllexport) int connect(int fd, const struct sockaddr* addr, socklen_t
return 0;
}
// Implements the send operation.
__declspec(dllexport) ssize_t send(int fd, const void* buf, size_t len, int flags) {
FD_ENTRY* e = SocketFdGet(fd);
if (!e) return -1;
@@ -186,6 +206,7 @@ __declspec(dllexport) ssize_t send(int fd, const void* buf, size_t len, int flag
return (ssize_t)sent;
}
// Implements the recv operation.
__declspec(dllexport) ssize_t recv(int fd, void* buf, size_t len, int flags) {
FD_ENTRY* e = SocketFdGet(fd);
if (!e) return -1;
@@ -240,6 +261,7 @@ __declspec(dllexport) ssize_t recvfrom(int fd, void* buf, size_t len, int flags,
return (ssize_t)got;
}
// Implements the shutdown operation.
__declspec(dllexport) int shutdown(int fd, int how) {
FD_ENTRY* e = SocketFdGet(fd);
if (!e) return -1;
@@ -248,12 +270,14 @@ __declspec(dllexport) int shutdown(int fd, int how) {
return 0;
}
// Implements the timeval To Ms operation.
static uint32_t TimevalToMs(const struct timeval* tv) {
if (!tv) return 0;
uint64_t ms = (uint64_t)tv->tv_sec * 1000u + (uint64_t)(tv->tv_usec / 1000);
return ms > 0xFFFFFFFFu ? 0xFFFFFFFFu : (uint32_t)ms;
}
// Implements the setsockopt operation.
__declspec(dllexport) int setsockopt(int fd, int level, int optname, const void* optval, socklen_t optlen) {
if (level != SOL_SOCKET || !optval) { errno = EINVAL; return -1; }
FD_ENTRY* e = SocketFdGet(fd);
@@ -285,6 +309,7 @@ __declspec(dllexport) int setsockopt(int fd, int level, int optname, const void*
return 0;
}
// Implements the getsockopt operation.
__declspec(dllexport) int getsockopt(int fd, int level, int optname, void* optval, socklen_t* optlen) {
if (level != SOL_SOCKET || !optval || !optlen) { errno = EINVAL; return -1; }
FD_ENTRY* e = SocketFdGet(fd);
@@ -322,6 +347,7 @@ __declspec(dllexport) int getsockopt(int fd, int level, int optname, void* optva
return 0;
}
// Polls the requested operation.
__declspec(dllexport) int poll(struct pollfd* fds, nfds_t nfds, int timeout) {
if (!fds || nfds == 0 || nfds > 64) { errno = EINVAL; return -1; }
@@ -370,6 +396,7 @@ __declspec(dllexport) int poll(struct pollfd* fds, nfds_t nfds, int timeout) {
return out;
}
// Parses port.
static unsigned ParsePort(const char* s) {
unsigned v = 0;
if (!s) return 0;
@@ -381,6 +408,7 @@ static unsigned ParsePort(const char* s) {
return *s == '\0' ? v : 0;
}
// Implements the resolve Name Ipv4 operation.
static int ResolveNameIpv4(const char* name, SYS_SOCKET_ADDRESS_IPV4* out) {
uint8_t b[4];
if (ParseIpv4Bytes(name, b)) {
@@ -402,6 +430,7 @@ static int ResolveNameIpv4(const char* name, SYS_SOCKET_ADDRESS_IPV4* out) {
return 0;
}
// Implements the gethostbyname operation.
__declspec(dllexport) struct hostent* gethostbyname(const char* name) {
static struct hostent h;
static char hname[256];
@@ -467,6 +496,7 @@ __declspec(dllexport) int getaddrinfo(const char* node, const char* service,
return 0;
}
// Implements the freeaddrinfo operation.
__declspec(dllexport) void freeaddrinfo(struct addrinfo* res) {
if (res) free(res);
}