ffi: Add getifaddrs stuff to posix

ffi-cdecl/posix_decl.c

@@ -22,6 +22,11 @@
 #include <sys/time.h>
 #include <sys/resource.h>
 #include <sched.h>
+#include <arpa/inet.h>
+#include <sys/socket.h>
+#include <netdb.h>
+#include <ifaddrs.h>
+#include <linux/if_link.h>
 #include <errno.h>
 
 #include "ffi-cdecl.h"
@@ -217,3 +222,18 @@ cdecl_type(cpu_set_t)
 cdecl_func(sched_getaffinity)
 cdecl_func(sched_setaffinity)
 cdecl_func(sched_yield)
+
+cdecl_struct(sockaddr) // May be provided by lj-wpaclient (... which is platform-specific)
+cdecl_struct(ifaddrs)
+cdecl_const(NI_MAXHOST)
+cdecl_func(getifaddrs)
+cdecl_const(AF_INET)
+cdecl_const(AF_INET6)
+cdecl_func(getnameinfo)
+cdecl_struct(in_addr)
+cdecl_struct(sockaddr_in)
+cdecl_struct(in6_addr)
+cdecl_struct(sockaddr_in6)
+cdecl_const(NI_NUMERICHOST)
+cdecl_func(gai_strerror)
+cdecl_func(freeifaddrs)

ffi/posix_h.lua

@@ -189,6 +189,53 @@ typedef struct {
 int sched_getaffinity(int, size_t, cpu_set_t *) __attribute__((nothrow, leaf));
 int sched_setaffinity(int, size_t, const cpu_set_t *) __attribute__((nothrow, leaf));
 int sched_yield(void) __attribute__((nothrow, leaf));
+struct sockaddr {
+  short unsigned int sa_family;
+  char sa_data[14];
+};
+struct ifaddrs {
+  struct ifaddrs *ifa_next;
+  char *ifa_name;
+  unsigned int ifa_flags;
+  struct sockaddr *ifa_addr;
+  struct sockaddr *ifa_netmask;
+  union {
+    struct sockaddr *ifu_broadaddr;
+    struct sockaddr *ifu_dstaddr;
+  } ifa_ifu;
+  void *ifa_data;
+};
+static const int NI_MAXHOST = 1025;
+int getifaddrs(struct ifaddrs **) __attribute__((nothrow, leaf));
+static const int AF_INET = 2;
+static const int AF_INET6 = 10;
+int getnameinfo(const struct sockaddr *restrict, unsigned int, char *restrict, unsigned int, char *restrict, unsigned int, int);
+struct in_addr {
+  unsigned int s_addr;
+};
+struct sockaddr_in {
+  short unsigned int sin_family;
+  short unsigned int sin_port;
+  struct in_addr sin_addr;
+  unsigned char sin_zero[8];
+};
+struct in6_addr {
+  union {
+    uint8_t __u6_addr8[16];
+    uint16_t __u6_addr16[8];
+    uint32_t __u6_addr32[4];
+  } __in6_u;
+};
+struct sockaddr_in6 {
+  short unsigned int sin6_family;
+  short unsigned int sin6_port;
+  uint32_t sin6_flowinfo;
+  struct in6_addr sin6_addr;
+  uint32_t sin6_scope_id;
+};
+static const int NI_NUMERICHOST = 1;
+const char *gai_strerror(int) __attribute__((nothrow, leaf));
+void freeifaddrs(struct ifaddrs *) __attribute__((nothrow, leaf));
 ]]
 
 -- clock_gettime & friends require librt on old glibc (< 2.17) versions...

thirdparty/lj-wpaclient/CMakeLists.txt

@@ -10,7 +10,7 @@ ep_get_source_dir(SOURCE_DIR)
 ko_write_gitclone_script(
     GIT_CLONE_SCRIPT_FILENAME
     https://github.com/koreader/lj-wpaclient.git
-    4f95110298b89d80e762215331159657ae36b4ef
+    2f93beb3071e6ebb57c783bd5b92f83aa5ebb757
     ${SOURCE_DIR}
 )