From 5c765a9520a8fb073271f68d410aef3b7d0a3fb3 Mon Sep 17 00:00:00 2001
From: casey langen <casey.langen@gmail.com>
Date: Sat, 24 Dec 2022 19:03:46 -0800
Subject: [PATCH] A couple tweaks to support compiling against Haiku without
 changes.

---
 .cmake/ConfigureCurses.cmake     | 11 ++++++++---
 src/musikcore/support/Common.cpp | 17 ++++++++++++++++-
 src/musikcube/Main.cpp           |  2 +-
 3 files changed, 25 insertions(+), 5 deletions(-)

diff --git a/.cmake/ConfigureCurses.cmake b/.cmake/ConfigureCurses.cmake
index d2d1d0776..09dca7bcf 100644
--- a/.cmake/ConfigureCurses.cmake
+++ b/.cmake/ConfigureCurses.cmake
@@ -1,5 +1,10 @@
-if (EXISTS "/etc/arch-release" OR EXISTS "/etc/manjaro-release" OR NO_NCURSESW)
-  add_definitions (-DNO_NCURSESW)
-elseif(CMAKE_SYSTEM_NAME MATCHES "FreeBSD" OR CMAKE_SYSTEM_NAME MATCHES "OpenBSD" )
+if(
+    NO_NCURSESW OR
+    EXISTS "/etc/arch-release" OR
+    EXISTS "/etc/manjaro-release" OR
+    CMAKE_SYSTEM_NAME MATCHES "FreeBSD" OR
+    CMAKE_SYSTEM_NAME MATCHES "OpenBSD" OR
+    CMAKE_SYSTEM_NAME MATCHES "Haiku"
+)
   add_definitions (-DNO_NCURSESW)
 endif()
\ No newline at end of file
diff --git a/src/musikcore/support/Common.cpp b/src/musikcore/support/Common.cpp
index f943452ff..fd4277bdc 100644
--- a/src/musikcore/support/Common.cpp
+++ b/src/musikcore/support/Common.cpp
@@ -54,6 +54,8 @@
     #include <shellapi.h>
 #elif __APPLE__
     #include <mach-o/dyld.h>
+#elif __HAIKU__
+    #include <kernel/image.h>
 #else
     #include <sys/types.h>
     #include <unistd.h>
@@ -133,12 +135,25 @@ namespace musik { namespace core {
                 fs::path command = fs::absolute(fs::path(fs::u8path(argv[0])));
                 realpath(command.u8string().c_str(), pathbuf);
                 delete[] argv;
+            #elif defined __HAIKU__
+                image_info ii;
+                int32_t c = 0;
+                while (get_next_image_info(0, &c, &ii) == B_OK) {
+                    if (ii.type == B_APP_IMAGE) {
+                        if (strlen(ii.name)) {
+                            std::string fn(ii.name);
+                            result = u8path(fn).parent_path().u8string();
+                        }
+                    }
+                }
             #else
                 std::string pathToProc = u8fmt("/proc/%d/exe", (int) getpid());
                 readlink(pathToProc.c_str(), pathbuf, PATH_MAX);
             #endif
 
-            result.assign(pathbuf);
+            if (!result.size() && strlen(pathbuf)) {
+                result.assign(pathbuf);
+            }
             size_t last = result.find_last_of("/");
             result = result.substr(0, last); /* remove filename component */
         #endif
diff --git a/src/musikcube/Main.cpp b/src/musikcube/Main.cpp
index 848c1fa8f..8d4902404 100644
--- a/src/musikcube/Main.cpp
+++ b/src/musikcube/Main.cpp
@@ -114,7 +114,7 @@ int main(int argc, char* argv[]) {
 
     auto consoleLogger = new ConsoleLogger(Window::MessageQueue());
 
-    std::vector<debug::IBackend*> debuggerBackends = { 
+    std::vector<debug::IBackend*> debuggerBackends = {
         new debug::SimpleFileBackend(), consoleLogger
     };