Socket subsystem implementation

libraries/nacl-mounts/base/newlib_hacks.h

+/*
+ * Copyright (c) 2012 The Native Client Authors. All rights reserved.
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+#ifndef PACKAGES_LIBRARIES_NACL_MOUNTS_BASE_NEWLIB_H_
+#define PACKAGES_LIBRARIES_NACL_MOUNTS_BASE_NEWLIB_H_
+
+typedef uint32_t socklen_t;
+struct sockaddr {
+  short sa_family;
+  char sa_data[14];
+};
+
+typedef uint32_t in_addr_t;
+typedef uint16_t in_port_t;
+
+struct in_addr {
+  in_addr_t s_addr;
+};
+
+struct sockaddr_in {
+  short sin_family;
+  unsigned short sin_port;
+  struct in_addr sin_addr;
+  char sin_zero[8];
+};
+
+typedef struct addrinfo {
+  int   ai_flags;
+  int   ai_family;
+  int   ai_socktype;
+  int   ai_protocol;
+  size_t  ai_addrlen;
+  struct  sockaddr *ai_addr;
+  char  *ai_canonname;   /* canonical name */
+  struct  addrinfo *ai_next; /* this struct can form a linked list */
+} ADDRINFOA;
+
+struct in6_addr {
+  uint8_t  s6_addr[16];  /* IPv6 address */
+};
+
+#define AF_INET 1
+#define AF_INET6 2
+#define AF_UNSPEC 4
+#define SOCK_STREAM 1
+#define SOCK_DGRAM 2
+
+#define EAI_FAIL 1
+#define AI_PASSIVE 1
+#define AI_NUMERICHOST 2
+#define AI_CANONNAME 3
+#define EAI_FAMILY 2
+
+#define NI_MAXHOST 256
+
+#ifndef INET_ADDRSTRLEN
+#define INET_ADDRSTRLEN 16
+#endif
+
+struct hostent {
+  char    *h_name;        /* official name of host */
+  char    **h_aliases;    /* alias list */
+  int     h_addrtype;     /* host address type */
+  int     h_length;       /* length of address */
+  char    **h_addr_list;  /* list of addresses */
+};
+
+#define h_addr  h_addr_list[0]  /* for backward compatibility */
+
+short htons(short v);
+short ntohs(short v);
+
+const char*
+inet_ntop(int af, const void *src, char *dst, socklen_t cnt);
+int inet_pton(int af, const char* src, void* dst);
+
+struct sockaddr_in6 {
+  short           sin6_family;   /* AF_INET6     */
+  in_port_t       sin6_port;     /* Transport layer port #   */
+  uint32_t        sin6_flowinfo; /* IPv6 flow information    */
+  struct in6_addr  sin6_addr;     /* IPv6 address       */
+};
+
+#endif // PACKAGES_LIBRARIES_NACL_MOUNTS_BASE_NEWLIB_H_
+