From a2b274d1a5d5a076433003e81f7c972db2dcddf8 Mon Sep 17 00:00:00 2001
From: David Carlier <devnexen@gmail.com>
Date: Sat, 20 Jun 2020 15:37:21 +0000
Subject: [PATCH 1/3] Haiku porting proposal.

---
 CMakeLists.txt              |  6 +++++-
 src/backends/generic/misc.c | 20 ++++++++++++++++++++
 src/backends/unix/main.c    |  3 +++
 src/backends/unix/system.c  |  3 +++
 4 files changed, 31 insertions(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index a600c4ca..008f97df 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -140,7 +140,11 @@ endif()
 if(${CMAKE_SYSTEM_NAME} MATCHES "Windows")
 	list(APPEND yquake2LinkerFlags "-lm -static-libgcc")
 else()
-	list(APPEND yquake2LinkerFlags "-lm -rdynamic")
+	if (NOT ${CMAKE_SYSTEM_NAME} MATCHES "Haiku")
+		list(APPEND yquake2LinkerFlags "-lm -rdynamic")
+	else()
+		list(APPEND yquake2LinkerFlags "-lm -lnetwork")
+	endif()
 endif()
 
 list(APPEND yquake2LinkerFlags ${CMAKE_DL_LIBS})
diff --git a/src/backends/generic/misc.c b/src/backends/generic/misc.c
index 973a2cba..aef164ee 100644
--- a/src/backends/generic/misc.c
+++ b/src/backends/generic/misc.c
@@ -45,6 +45,10 @@
 #include <mach-o/dyld.h> // _NSGetExecutablePath
 #endif
 
+#ifdef __HAIKU__
+#include <kernel/image.h>
+#endif
+
 #ifndef PATH_MAX
 // this is mostly for windows. windows has a MAX_PATH = 260 #define, but allows
 // longer paths anyway.. this might not be the maximum allowed length, but is
@@ -118,6 +122,22 @@ static void SetExecutablePath(char* exePath)
 
 	// TODO: realpath() ?
 	// TODO: no idea what this is if the executable is in an app bundle
+#elif defined(__HAIKU__)
+	image_info ii;
+	int32_t id = 0;
+
+	exePath[0] = '\0';
+
+	for (; get_next_image_info(0, &id, &ii) == B_OK;)
+	{
+		if (ii.type == B_APP_IMAGE)
+			break;
+	}
+
+	if (ii.type == B_APP_IMAGE)
+	{
+		memcpy(exePath, ii.name, PATH_MAX);
+	}
 
 #else
 
diff --git a/src/backends/unix/main.c b/src/backends/unix/main.c
index a5e5702c..06bc2ea7 100644
--- a/src/backends/unix/main.c
+++ b/src/backends/unix/main.c
@@ -30,6 +30,9 @@
 #include <libgen.h>
 #include <unistd.h>
 #include <sys/stat.h>
+#ifndef FNDELAY
+#define FNDELAY O_NDELAY
+#endif
 
 #include "../../common/header/common.h"
 
diff --git a/src/backends/unix/system.c b/src/backends/unix/system.c
index 784362ae..b2d7c992 100644
--- a/src/backends/unix/system.c
+++ b/src/backends/unix/system.c
@@ -35,6 +35,9 @@
 #include <unistd.h>
 #include <sys/stat.h>
 #include <sys/select.h> /* for fd_set */
+#ifndef FNDELAY
+#define FNDELAY O_NDELAY
+#endif
 
 #ifdef __APPLE__
 #include <mach/clock.h>

From 6c4187a6e33131b61625c780130f0ae3346cee54 Mon Sep 17 00:00:00 2001
From: David Carlier <devnexen@gmail.com>
Date: Sun, 21 Jun 2020 11:00:20 +0000
Subject: [PATCH 2/3] using custom sting copy fn instead

---
 src/backends/generic/misc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/backends/generic/misc.c b/src/backends/generic/misc.c
index aef164ee..ecfaf620 100644
--- a/src/backends/generic/misc.c
+++ b/src/backends/generic/misc.c
@@ -136,7 +136,7 @@ static void SetExecutablePath(char* exePath)
 
 	if (ii.type == B_APP_IMAGE)
 	{
-		memcpy(exePath, ii.name, PATH_MAX);
+		Q_strlcpy(exePath, ii.name, PATH_MAX);
 	}
 
 #else

From 3e63226bad8c45a781aeab98a22aa7171ec31fc8 Mon Sep 17 00:00:00 2001
From: David Carlier <devnexen@gmail.com>
Date: Fri, 26 Jun 2020 12:43:06 +0000
Subject: [PATCH 3/3] Translate changes to the Makefile build too

---
 Makefile | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Makefile b/Makefile
index 44cff701..b3e5aa41 100755
--- a/Makefile
+++ b/Makefile
@@ -277,6 +277,8 @@ else ifeq ($(YQ2_OSTYPE),Windows)
 override LDFLAGS += -lws2_32 -lwinmm -static-libgcc
 else ifeq ($(YQ2_OSTYPE), Darwin)
 override LDFLAGS += -arch $(YQ2_ARCH)
+else ifeq ($(YQ2_OSTYPE), Haiku)
+override LDFLAGS += -lm -lnetwork
 endif
 
 # Keep symbols hidden.