add os.syserror

3 files changed, 48 insertions, 0 deletions

diff --git a/core/src/xmake/machine.c b/core/src/xmake/machine.c
index 9033dc9d1..f8704ff7f 100644
--- a/core/src/xmake/machine.c
+++ b/core/src/xmake/machine.c
@@ -82,6 +82,7 @@ tb_int_t xm_os_cpuinfo(lua_State* lua);
 tb_int_t xm_os_readlink(lua_State* lua);
 tb_int_t xm_os_filesize(lua_State* lua);
 tb_int_t xm_os_emptydir(lua_State* lua);
+tb_int_t xm_os_syserror(lua_State* lua);
 tb_int_t xm_os_strerror(lua_State* lua);
 tb_int_t xm_os_getwinsize(lua_State* lua);
 #ifndef TB_CONFIG_OS_WINDOWS
@@ -230,6 +231,7 @@ static luaL_Reg const g_os_functions[] =
 ,   { "readlink",       xm_os_readlink  }
 ,   { "emptydir",       xm_os_emptydir  }
 ,   { "strerror",       xm_os_strerror  }
+,   { "syserror",       xm_os_syserror  }
 ,   { "filesize",       xm_os_filesize  }
 ,   { "getwinsize",     xm_os_getwinsize}
 #ifndef TB_CONFIG_OS_WINDOWS
diff --git a/core/src/xmake/makefile b/core/src/xmake/makefile
index aa3a88ff6..caa8f3150 100644
--- a/core/src/xmake/makefile
+++ b/core/src/xmake/makefile
@@ -39,6 +39,7 @@ xmake_C_FILES 			+= \
 						os/cpuinfo \
 						os/readlink \
 						os/emptydir \
+						os/syserror \
 						os/strerror \
 						os/filesize \
 						os/getwinsize \
diff --git a/core/src/xmake/os/syserror.c b/core/src/xmake/os/syserror.c
new file mode 100644
index 000000000..9630bd3c8
--- /dev/null
+++ b/core/src/xmake/os/syserror.c
@@ -0,0 +1,45 @@
+/*!A cross-platform build utility based on Lua
+ *
+ * Licensed 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) 2015-2020, TBOOX Open Source Group.
+ *
+ * @author      ruki
+ * @file        syserror.c
+ *
+ */
+
+/* //////////////////////////////////////////////////////////////////////////////////////
+ * trace
+ */
+#define TB_TRACE_MODULE_NAME                "syserror"
+#define TB_TRACE_MODULE_DEBUG               (0)
+
+/* //////////////////////////////////////////////////////////////////////////////////////
+ * includes
+ */
+#include "prefix.h"
+
+/* //////////////////////////////////////////////////////////////////////////////////////
+ * implementation
+ */
+tb_int_t xm_os_syserror(lua_State* lua)
+{
+    // check
+    tb_assert_and_check_return_val(lua, 0);
+
+    // get syserror state
+    tb_size_t syserror = tb_syserror_state();
+    lua_pushinteger(lua, (tb_int_t)syserror);
+    return 1;
+}