add os.getwinsize()

3 files changed, 75 insertions, 0 deletions

diff --git a/core/src/xmake/machine.c b/core/src/xmake/machine.c
index 2db633946..d1e86ab68 100644
--- a/core/src/xmake/machine.c
+++ b/core/src/xmake/machine.c
@@ -79,6 +79,7 @@ tb_int_t xm_os_setenv(lua_State* lua);
 tb_int_t xm_os_getenv(lua_State* lua);
 tb_int_t xm_os_emptydir(lua_State* lua);
 tb_int_t xm_os_strerror(lua_State* lua);
+tb_int_t xm_os_getwinsize(lua_State* lua);
 
 // the path functions
 tb_int_t xm_path_relative(lua_State* lua);
@@ -126,6 +127,7 @@ static luaL_Reg const g_os_functions[] =
 ,   { "getenv",         xm_os_getenv    }
 ,   { "emptydir",       xm_os_emptydir  }
 ,   { "strerror",       xm_os_strerror  }
+,   { "getwinsize",     xm_os_getwinsize}
 ,   { tb_null,          tb_null         }
 };
 
diff --git a/core/src/xmake/makefile b/core/src/xmake/makefile
index 0d0399bb1..4b7c5192e 100644
--- a/core/src/xmake/makefile
+++ b/core/src/xmake/makefile
@@ -35,6 +35,7 @@ xmake_C_FILES 			+= \
 						os/getenv \
 						os/emptydir \
 						os/strerror \
+						os/getwinsize \
 						path/relative \
 						path/absolute \
 						path/translate \
diff --git a/core/src/xmake/os/getwinsize.c b/core/src/xmake/os/getwinsize.c
new file mode 100644
index 000000000..c541f1e0e
--- /dev/null
+++ b/core/src/xmake/os/getwinsize.c
@@ -0,0 +1,72 @@
+/*!The Make-like Build Utility based on Lua
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * Copyright (C) 2015 - 2017, TBOOX Open Source Group.
+ *
+ * @author      TitanSnow
+ * @file        getwinsize.c
+ *
+ */
+
+/* //////////////////////////////////////////////////////////////////////////////////////
+ * trace
+ */
+#define TB_TRACE_MODULE_NAME                "getwinsize"
+#define TB_TRACE_MODULE_DEBUG               (0)
+
+/* //////////////////////////////////////////////////////////////////////////////////////
+ * includes
+ */
+#include "prefix.h"
+#ifdef TB_CONFIG_OS_LINUX
+#include <sys/ioctl.h>
+#include <termios.h>
+#include <unistd.h>
+#endif
+
+/* //////////////////////////////////////////////////////////////////////////////////////
+ * implementation
+ */
+tb_int_t xm_os_getwinsize(lua_State* lua)
+{
+    // check
+    tb_assert_and_check_return_val(lua, 0);
+
+    // def w&h
+    unsigned short w=80, h=40;
+
+    // get winsize
+#   ifdef TB_CONFIG_OS_LINUX
+    struct winsize size;
+    ioctl(STDOUT_FILENO, TIOCGWINSZ, &size);
+    w=size.ws_col;
+    h=size.ws_row;
+#   endif
+
+    // done os.getwinsize()
+    lua_newtable(lua);
+    lua_pushstring(lua, "width");
+    lua_pushinteger(lua, w);
+    lua_settable(lua, -3);
+    lua_pushstring(lua, "height");
+    lua_pushinteger(lua, h);
+    lua_settable(lua, -3);
+
+    // ok
+    return 1;
+}