Terminal (Haiku): detect terminal version

Author: CarterLi

CMakeLists.txt

@@ -1148,7 +1148,7 @@ elseif(Haiku)
         src/detection/gtk_qt/gtk.c
         src/detection/host/host_windows.c
         src/detection/icons/icons_nosupport.c
-        src/detection/initsystem/initsystem_haiku.cpp
+        src/detection/initsystem/initsystem_haiku.c
         src/detection/keyboard/keyboard_haiku.cpp
         src/detection/libc/libc_nosupport.c
         src/detection/lm/lm_nosupport.c
@@ -1184,6 +1184,7 @@ elseif(Haiku)
         src/detection/zpool/zpool_nosupport.c
         src/util/platform/FFPlatform_unix.c
         src/util/binary_linux.c
+        src/util/haiku/version.cpp
     )
 endif()
 

src/common/processing_linux.c

@@ -315,6 +315,25 @@ void ffProcessGetInfoLinux(pid_t pid, FFstrbuf* processName, FFstrbuf* exe, cons
 
     #elif defined(__HAIKU__)
 
+    {
+        team_info info;
+        if (get_team_info(pid, &info) == B_OK)
+        {
+            // This is tricky. info.args is not encoded, so that we don't know if
+            // a whitespace in args is part of the file path or an argument separator
+            if (info.argc == 1)
+                ffStrbufSetS(exe, info.args);
+            else
+            {
+                int argc = info.argc;
+                for (const char* p = info.args; (p = strchr(p, ' ')); ++p)
+                    --argc;
+                if (argc == 1)
+                    ffStrbufSetS(exe, info.args);
+            }
+        }
+    }
+
     if (exePath)
     {
         image_info info;

src/detection/initsystem/initsystem_haiku.c

@@ -0,0 +1,34 @@
+#include "initsystem.h"
+#include "util/stringUtils.h"
+#include "util/haiku/version.h"
+#include "common/io/io.h"
+
+#include <OS.h>
+#include <unistd.h>
+
+const char* ffDetectInitSystem(FFInitSystemResult* result)
+{
+    // Since it runs first, registrar does not know about it,
+    // so we can't query be_roster for it.
+    const char* path = "/boot/system/servers/launch_daemon";
+    if (!ffPathExists(path, FF_PATHTYPE_FILE))
+        return "launch_daemon is not found";
+
+    ffStrbufSetStatic(&result->exe, path);
+    ffStrbufSetStatic(&result->name, "launch_daemon");
+
+    team_info teamInfo;
+    int32 cookie = 0;
+    while (get_next_team_info(&cookie, &teamInfo) == B_OK)
+    {
+        if (ffStrEquals(teamInfo.args, path))
+        {
+            result->pid = (uint32_t) teamInfo.team;
+            break;
+        }
+    }
+
+    ffGetFileVersion(path, &result->version);
+
+    return NULL;
+}

src/detection/initsystem/initsystem_haiku.cpp

@@ -27,6 +27,8 @@ static bool getFileVersion(const FFstrbuf* exePath, FFstrbuf* version)
     if (len <= 0) return false;
     return ffGetFileVersion(exePathW, version);
 }
+#elif __HAIKU__
+    #include "util/haiku/version.h"
 #endif
 
 static bool getExeVersionRaw(FFstrbuf* exe, FFstrbuf* version)
@@ -847,6 +849,11 @@ bool fftsGetTerminalVersion(FFstrbuf* processName, FF_MAYBE_UNUSED FFstrbuf* exe
     if(ffStrbufStartsWithIgnCaseS(processName, "zed"))
         return getTerminalVersionZed(exe, version);
 
+    #if __HAIKU__
+    if(ffStrbufEqualS(processName, "Terminal"))
+        return ffGetFileVersion(exe->chars, version);
+    #endif
+
     const char* termProgramVersion = getenv("TERM_PROGRAM_VERSION");
     if(termProgramVersion)
     {

src/detection/terminalshell/terminalshell.c

@@ -233,7 +233,7 @@ static inline void ffStrbufInit(FFstrbuf* strbuf)
     strbuf->chars = CHAR_NULL_PTR;
 }
 
-FF_C_NODISCARD static inline FFstrbuf ffStrbufCreate()
+FF_C_NODISCARD static inline FFstrbuf ffStrbufCreate(void)
 {
     FFstrbuf strbuf;
     ffStrbufInit(&strbuf);

src/util/FFstrbuf.h

@@ -0,0 +1,24 @@
+extern "C" {
+#include "version.h"
+}
+
+#include <File.h>
+#include <AppFileInfo.h>
+
+bool ffGetFileVersion(const char* filePath, FFstrbuf* version)
+{
+    BFile f(filePath, B_READ_ONLY);
+    if (f.InitCheck() != B_OK)
+        return false;
+
+    BAppFileInfo fileInfo(&f);
+    if (f.InitCheck() != B_OK)
+        return false;
+
+    version_info info;
+    if (fileInfo.GetVersionInfo(&info, B_SYSTEM_VERSION_KIND) != B_OK)
+        return false;
+
+    ffStrbufSetF(version, "%d.%d.%d", (int)info.major, (int)info.middle, (int)info.minor);
+    return true;
+}

src/util/haiku/version.cpp

@@ -0,0 +1,3 @@
+#include "util/FFstrbuf.h"
+
+bool ffGetFileVersion(const char* filePath, FFstrbuf* version);