Add Haiku support.

src/Makefile

@@ -28,6 +28,8 @@ os := $(shell uname)
 
 ifeq ($(os),Darwin)
     LIBS += -lncurses -lboost_regex-mt
+else ifeq ($(os),Haiku)
+    LIBS += -lncursesw -lboost_regex -lnetwork -lbe
 else ifneq (,$(findstring CYGWIN,$(os)))
     LIBS += -lncursesw -lboost_regex -ldbghelp
 else

src/file.cc

@@ -20,6 +20,12 @@
 #include <mach-o/dyld.h>
 #endif
 
+#if defined(__HAIKU__)
+#include <app/Application.h>
+#include <app/Roster.h>
+#include <storage/Path.h>
+#endif
+
 namespace Kakoune
 {
 
@@ -488,6 +494,13 @@ String get_kak_binary_path()
     String path = canonical_path;
     free(canonical_path);
     return path;
+#elif defined(__HAIKU__)
+    BApplication app("application/x-vnd.kakoune");
+    app_info info;
+    status_t status = app.GetAppInfo(&info);
+    kak_assert(status == B_OK);
+    BPath path(&info.ref);
+    return path.Path();
 #else
 # error "finding executable path is not implemented on this platform"
 #endif

src/ncurses_ui.cc

@@ -21,6 +21,8 @@
 #include <termios.h>
 #include <unistd.h>
 
+constexpr char control(char c) { return c & 037; }
+
 namespace Kakoune
 {
 
@@ -506,12 +508,12 @@ Key NCursesUI::get_key()
 
     if (c > 0 and c < 27)
     {
-        if (c == CTRL('l'))
+        if (c == control('l'))
         {
            redrawwin(m_window);
            redraw();
         }
-        if (c == CTRL('z'))
+        if (c == control('z'))
         {
             raise(SIGTSTP);
             return Key::Invalid;

src/string.cc

@@ -148,6 +148,13 @@ InplaceString<15> to_string(int val)
     return res;
 }
 
+InplaceString<23> to_string(long int val)
+{
+    InplaceString<23> res;
+    res.m_length = sprintf(res.m_data, "%li", val);
+    return res;
+}
+
 InplaceString<23> to_string(size_t val)
 {
     InplaceString<23> res;

src/string.hh

@@ -278,6 +278,7 @@ struct Hex { size_t val; };
 inline Hex hex(size_t val) { return {val}; }
 
 InplaceString<15> to_string(int val);
+InplaceString<23> to_string(long int val);
 InplaceString<23> to_string(size_t val);
 InplaceString<23> to_string(Hex val);
 InplaceString<23> to_string(float val);