fix os.host

src/core/lcurses/lcurses.c

@@ -63,6 +63,14 @@ Notes:
 #include <stdlib.h>
 #include <string.h>
 
+#include "luaconf.h"
+#undef LUA_API
+#if defined(__cplusplus)
+#define LUA_API extern "C"
+#else
+#define LUA_API extern
+#endif
+
 #include "luajit.h"
 #include "lualib.h"
 #include "lauxlib.h"

src/core/lcurses/xmake.lua

@@ -22,3 +22,6 @@ target("lcurses")
     else
         add_links("curses")
     end
+
+    -- set languages
+    set_languages("c89")

src/core/pdcurses/xmake.lua

@@ -7,6 +7,9 @@ target("pdcurses")
     -- add the common source files
     add_files("**.c") 
 
+    -- add include directories
+    add_includedirs(".")
+
     -- add defines
     add_defines("PDC_WIDE")
 

src/core/xmake.lua

@@ -25,7 +25,7 @@ if is_plat("windows") then
     add_cxflags("-MT") 
     add_defines("_CRT_SECURE_NO_WARNINGS")
     add_shflags("-nodefaultlib:msvcrt.lib")
-    add_links("kernel32", "user32", "gdi32")
+    add_links("kernel32", "user32", "gdi32", "advapi32")
 end
 
 -- add requires

src/ltui/base/log.lua

@@ -66,7 +66,11 @@ end
 -- clear log
 function log:clear(state)
     if os.isfile(self:outputfile()) then
-        io.writefile(self:outputfile(), "")
+        local file = io.open(self:outputfile(), "w")
+        if file then
+            file:write("")
+            file:close()
+        end
     end
 end
 

src/ltui/base/os.lua

@@ -58,29 +58,32 @@ end
 
 -- run program and get io output
 function os.iorun(cmd, ...)
-    local ok = false
     local outs = nil
     local file = io.popen(string.tryformat(cmd, ...), "r")
     if file then
         outs = file:read("*a"):trim()
         file:close()
-        ok = true
     end
-    return ok, outs
+    return outs
 end
 
 -- get host name
 function os.host()
     if os._HOST == nil then
-        local ok, result = os.iorun("uname") 
-        if ok then
-            if result:lower():find("linux", 1, true) then
-                os._HOST = "linux"
-            elseif result:lower():find("darwin", 1, true) then
-                os._HOST = "macosx"
-            end
-        elseif os.run("cmd /c ver") == 0 then
+        if jit and jit.os then
+            local hosts = {OSX = "macosx", Windows = "windows", Linux = "linux"}
+            os._HOST = hosts[jit.os]
+        elseif package.config:sub(1, 1) == '\\' then
             os._HOST = "windows"
+        else
+            local result = os.iorun("uname") 
+            if result then
+                if result:lower():find("linux", 1, true) then
+                    os._HOST = "linux"
+                elseif result:lower():find("darwin", 1, true) then
+                    os._HOST = "macosx"
+                end
+            end
         end
     end
     return os._HOST
@@ -89,15 +92,9 @@ end
 -- read string data from pasteboard
 function os.pbpaste()
     if os.host() == "macosx" then
-        local ok, result = os.iorun("pbpaste")
-        if ok then
-            return result
-        end
+        return os.iorun("pbpaste")
     elseif os.host() == "linux" then
-        local ok, result = os.iorun("xsel --clipboard --output")
-        if ok then
-            return result
-        end
+        return os.iorun("xsel --clipboard --output")
     else
         -- TODO
     end