Update enet to latest master - 5f476546edabdf37509cd3448d1a616f5eca535d

Command I used, for posterity:

for fn in $(cd /usr/src/enet; echo **/*); do if [ -e $fn ]; then cp -a \
/usr/src/enet/$fn $fn; fi; done

Externals/enet/CMakeLists.txt

@@ -8,6 +8,8 @@ include(CheckStructHasMember)
 include(CheckTypeSize)
 check_function_exists("fcntl" HAS_FCNTL)
 check_function_exists("poll" HAS_POLL)
+check_function_exists("getaddrinfo" HAS_GETADDRINFO)
+check_function_exists("getnameinfo" HAS_GETNAMEINFO)
 check_function_exists("gethostbyname_r" HAS_GETHOSTBYNAME_R)
 check_function_exists("gethostbyaddr_r" HAS_GETHOSTBYADDR_R)
 check_function_exists("inet_pton" HAS_INET_PTON)
@@ -23,6 +25,12 @@ endif()
 if(HAS_POLL)
     add_definitions(-DHAS_POLL=1)
 endif()
+if(HAS_GETNAMEINFO)
+    add_definitions(-DHAS_GETNAMEINFO=1)
+endif()
+if(HAS_GETADDRINFO)
+    add_definitions(-DHAS_GETADDRINFO=1)
+endif()
 if(HAS_GETHOSTBYNAME_R)
     add_definitions(-DHAS_GETHOSTBYNAME_R=1)
 endif()

Externals/enet/ChangeLog

@@ -1,3 +1,11 @@
+* use getaddrinfo and getnameinfo where available
+
+ENet 1.3.13 (April 30, 2015):
+
+* miscellaneous bug fixes
+* added premake and cmake support
+* miscellaneous documentation cleanups
+
 ENet 1.3.12 (April 24, 2014):
 
 * added maximumPacketSize and maximumWaitingData fields to ENetHost to limit the amount of 

Externals/enet/Doxyfile

@@ -38,7 +38,7 @@ PROJECT_NAME           = "ENet"
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = v1.3.12
+PROJECT_NUMBER         = v1.3.13
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewer a

Externals/enet/Makefile.am

@@ -16,7 +16,7 @@ enetinclude_HEADERS = \
 lib_LTLIBRARIES = libenet.la
 libenet_la_SOURCES = callbacks.c compress.c host.c list.c packet.c peer.c protocol.c unix.c win32.c
 # see info '(libtool) Updating version info' before making a release
-libenet_la_LDFLAGS = $(AM_LDFLAGS) -version-info 7:0:0
+libenet_la_LDFLAGS = $(AM_LDFLAGS) -version-info 7:1:0
 AM_CPPFLAGS = -I$(top_srcdir)/include
 
 ACLOCAL_AMFLAGS = -Im4

Externals/enet/configure.ac

@@ -1,4 +1,4 @@
-AC_INIT([libenet], [1.3.12])
+AC_INIT([libenet], [1.3.13])
 AC_CONFIG_SRCDIR([include/enet/enet.h])
 AM_INIT_AUTOMAKE([foreign])
 
@@ -7,6 +7,8 @@ AC_CONFIG_MACRO_DIR([m4])
 AC_PROG_CC
 AC_PROG_LIBTOOL
 
+AC_CHECK_FUNC(getaddrinfo, [AC_DEFINE(HAS_GETADDRINFO)])
+AC_CHECK_FUNC(getnameinfo, [AC_DEFINE(HAS_GETNAMEINFO)])
 AC_CHECK_FUNC(gethostbyaddr_r, [AC_DEFINE(HAS_GETHOSTBYADDR_R)])
 AC_CHECK_FUNC(gethostbyname_r, [AC_DEFINE(HAS_GETHOSTBYNAME_R)])
 AC_CHECK_FUNC(poll, [AC_DEFINE(HAS_POLL)])

Externals/enet/docs/mainpage.dox

@@ -36,7 +36,7 @@ portable, and easily embeddable.
 You can retrieve the source to ENet by downloading it in either .tar.gz form
 or accessing the github distribution directly.
 
-The most recent stable release (1.3.12) can be downloaded <a class="el" href="download/enet-1.3.12.tar.gz">here</a>. 
+The most recent stable release (1.3.13) can be downloaded <a class="el" href="download/enet-1.3.13.tar.gz">here</a>. 
 The last release that is protocol compatible with the 1.2 series or earlier (1.2.5) can be downloaded <a class="el" href="download/enet-1.2.5.tar.gz">here</a>. 
 
 You can find the most recent ENet source at <a class="el" href="https://github.com/lsalzman/enet">the github repository</a>.

Externals/enet/include/enet/enet.h

@@ -13,19 +13,19 @@ extern "C"
 #include <stdlib.h>
 
 #ifdef _WIN32
-#include "win32.h"
+#include "enet/win32.h"
 #else
-#include "unix.h"
+#include "enet/unix.h"
 #endif
 
-#include "types.h"
-#include "protocol.h"
-#include "list.h"
-#include "callbacks.h"
+#include "enet/types.h"
+#include "enet/protocol.h"
+#include "enet/list.h"
+#include "enet/callbacks.h"
 
 #define ENET_VERSION_MAJOR 1
 #define ENET_VERSION_MINOR 3
-#define ENET_VERSION_PATCH 12
+#define ENET_VERSION_PATCH 13
 #define ENET_VERSION_CREATE(major, minor, patch) (((major)<<16) | ((minor)<<8) | (patch))
 #define ENET_VERSION_GET_MAJOR(version) (((version)>>16)&0xFF)
 #define ENET_VERSION_GET_MINOR(version) (((version)>>8)&0xFF)

Externals/enet/include/enet/protocol.h

@@ -5,7 +5,7 @@
 #ifndef __ENET_PROTOCOL_H__
 #define __ENET_PROTOCOL_H__
 
-#include "types.h"
+#include "enet/types.h"
 
 enum
 {

Externals/enet/protocol.c

@@ -764,6 +764,10 @@ enet_protocol_handle_bandwidth_limit (ENetHost * host, ENetPeer * peer, const EN
 
     if (peer -> incomingBandwidth == 0 && host -> outgoingBandwidth == 0)
       peer -> windowSize = ENET_PROTOCOL_MAXIMUM_WINDOW_SIZE;
+    else
+    if (peer -> incomingBandwidth == 0 || host -> outgoingBandwidth == 0)
+      peer -> windowSize = (ENET_MAX (peer -> incomingBandwidth, host -> outgoingBandwidth) /
+                             ENET_PEER_WINDOW_SIZE_SCALE) * ENET_PROTOCOL_MINIMUM_WINDOW_SIZE;
     else
       peer -> windowSize = (ENET_MIN (peer -> incomingBandwidth, host -> outgoingBandwidth) /
                              ENET_PEER_WINDOW_SIZE_SCALE) * ENET_PROTOCOL_MINIMUM_WINDOW_SIZE;
@@ -1486,7 +1490,7 @@ enet_protocol_send_reliable_outgoing_commands (ENetHost * host, ENetPeer * peer)
                ! (outgoingCommand -> reliableSequenceNumber % ENET_PEER_RELIABLE_WINDOW_SIZE) &&
                (channel -> reliableWindows [(reliableWindow + ENET_PEER_RELIABLE_WINDOWS - 1) % ENET_PEER_RELIABLE_WINDOWS] >= ENET_PEER_RELIABLE_WINDOW_SIZE ||
                  channel -> usedReliableWindows & ((((1 << ENET_PEER_FREE_RELIABLE_WINDOWS) - 1) << reliableWindow) | 
-                   (((1 << ENET_PEER_FREE_RELIABLE_WINDOWS) - 1) >> (ENET_PEER_RELIABLE_WINDOW_SIZE - reliableWindow)))))
+                   (((1 << ENET_PEER_FREE_RELIABLE_WINDOWS) - 1) >> (ENET_PEER_RELIABLE_WINDOWS - reliableWindow)))))
              windowWrap = 1;
           if (windowWrap)
           {

Externals/enet/unix.c

@@ -38,6 +38,12 @@
 #ifndef HAS_SOCKLEN_T
 #define HAS_SOCKLEN_T 1
 #endif
+#ifndef HAS_GETADDRINFO
+#define HAS_GETADDRINFO 1
+#endif
+#ifndef HAS_GETNAMEINFO
+#define HAS_GETNAMEINFO 1
+#endif
 #endif
 
 #ifdef HAS_FCNTL
@@ -98,6 +104,32 @@ enet_time_set (enet_uint32 newTimeBase)
 int
 enet_address_set_host (ENetAddress * address, const char * name)
 {
+#ifdef HAS_GETADDRINFO
+    struct addrinfo hints, * resultList = NULL, * result = NULL;
+
+    memset (& hints, 0, sizeof (hints));
+    hints.ai_family = AF_INET;
+
+    if (getaddrinfo (name, NULL, NULL, & resultList) != 0)
+      return -1;
+
+    for (result = resultList; result != NULL; result = result -> ai_next)
+    {
+        if (result -> ai_family == AF_INET && result -> ai_addr != NULL && result -> ai_addrlen >= sizeof (struct sockaddr_in))
+        {
+            struct sockaddr_in * sin = (struct sockaddr_in *) result -> ai_addr;
+
+            address -> host = sin -> sin_addr.s_addr;
+
+            freeaddrinfo (resultList);
+
+            return 0;
+        }
+    }
+
+    if (resultList != NULL)
+      freeaddrinfo (resultList);
+#else
     struct hostent * hostEntry = NULL;
 #ifdef HAS_GETHOSTBYNAME_R
     struct hostent hostData;
@@ -113,19 +145,20 @@ enet_address_set_host (ENetAddress * address, const char * name)
     hostEntry = gethostbyname (name);
 #endif
 
-    if (hostEntry == NULL ||
-        hostEntry -> h_addrtype != AF_INET)
+    if (hostEntry != NULL && hostEntry -> h_addrtype == AF_INET)
     {
+        address -> host = * (enet_uint32 *) hostEntry -> h_addr_list [0];
+
+        return 0;
+    }
+#endif
+
 #ifdef HAS_INET_PTON
     if (! inet_pton (AF_INET, name, & address -> host))
 #else
     if (! inet_aton (name, (struct in_addr *) & address -> host))
 #endif
         return -1;
-        return 0;
-    }
-
-    address -> host = * (enet_uint32 *) hostEntry -> h_addr_list [0];
 
     return 0;
 }
@@ -153,6 +186,26 @@ enet_address_get_host_ip (const ENetAddress * address, char * name, size_t nameL
 int
 enet_address_get_host (const ENetAddress * address, char * name, size_t nameLength)
 {
+#ifdef HAS_GETNAMEINFO
+    struct sockaddr_in sin;
+    int err;
+
+    memset (& sin, 0, sizeof (struct sockaddr_in));
+
+    sin.sin_family = AF_INET;
+    sin.sin_port = ENET_HOST_TO_NET_16 (address -> port);
+    sin.sin_addr.s_addr = address -> host;
+
+    err = getnameinfo ((struct sockaddr *) & sin, sizeof (sin), name, nameLength, NULL, 0, NI_NAMEREQD);
+    if (! err)
+    {
+        if (name != NULL && nameLength > 0 && ! memchr (name, '\0', nameLength))
+          return -1;
+        return 0;
+    }
+    if (err != EAI_NONAME)
+      return 0;
+#else
     struct in_addr in;
     struct hostent * hostEntry = NULL;
 #ifdef HAS_GETHOSTBYADDR_R
@@ -173,18 +226,18 @@ enet_address_get_host (const ENetAddress * address, char * name, size_t nameLeng
     hostEntry = gethostbyaddr ((char *) & in, sizeof (struct in_addr), AF_INET);
 #endif
 
-    if (hostEntry == NULL)
-      return enet_address_get_host_ip (address, name, nameLength);
-    else
+    if (hostEntry != NULL)
     {
        size_t hostLen = strlen (hostEntry -> h_name);
        if (hostLen >= nameLength)
          return -1;
        memcpy (name, hostEntry -> h_name, hostLen + 1);
-    }
-
        return 0;
     }
+#endif
+
+    return enet_address_get_host_ip (address, name, nameLength);
+}
 
 int
 enet_socket_bind (ENetSocket socket, const ENetAddress * address)