add libc module

5 files changed, 111 insertions, 2 deletions

diff --git a/core/src/xmake/engine.c b/core/src/xmake/engine.c
index 69aa1e452..0c52f6cf0 100644
--- a/core/src/xmake/engine.c
+++ b/core/src/xmake/engine.c
@@ -221,6 +221,9 @@ tb_int_t xm_semver_compare(lua_State* lua);
 tb_int_t xm_semver_satisfies(lua_State* lua);
 tb_int_t xm_semver_select(lua_State* lua);
 
+// the libc functions
+tb_int_t xm_libc_malloc(lua_State* lua);
+
 #ifdef XM_CONFIG_API_HAVE_CURSES
 // register curses
 __tb_extern_c_enter__
@@ -412,6 +415,13 @@ static luaL_Reg const g_semver_functions[] =
 ,   { tb_null,          tb_null             }
 };
 
+// the libc functions
+static luaL_Reg const g_libc_functions[] =
+{
+    { "malloc",         xm_libc_malloc      }
+,   { tb_null,          tb_null             }
+};
+
 /* //////////////////////////////////////////////////////////////////////////////////////
  * private implementation
  */
@@ -854,6 +864,9 @@ xm_engine_ref_t xm_engine_init(tb_char_t const* name, xm_engine_lni_initalizer_c
         // bind semver functions
         luaL_register(engine->lua, "semver", g_semver_functions);
 
+        // bind libc functions
+        luaL_register(engine->lua, "libc", g_libc_functions);
+
 #ifdef XM_CONFIG_API_HAVE_CURSES
         // bind curses
         xm_curses_register(engine->lua);
diff --git a/core/src/xmake/libc/malloc.c b/core/src/xmake/libc/malloc.c
new file mode 100644
index 000000000..0ee81e68f
--- /dev/null
+++ b/core/src/xmake/libc/malloc.c
@@ -0,0 +1,52 @@
+/*!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-present, TBOOX Open Source Group.
+ *
+ * @author      ruki
+ * @file        malloc.c
+ *
+ */
+
+/* //////////////////////////////////////////////////////////////////////////////////////
+ * trace
+ */
+#define TB_TRACE_MODULE_NAME    "malloc"
+#define TB_TRACE_MODULE_DEBUG   (0)
+
+/* //////////////////////////////////////////////////////////////////////////////////////
+ * includes
+ */
+#include "prefix.h"
+
+/* //////////////////////////////////////////////////////////////////////////////////////
+ * implementation
+ */
+tb_int_t xm_libc_malloc(lua_State* lua)
+{
+    // check
+    tb_assert_and_check_return_val(lua, 0);
+
+    // check arguments?
+    if (!lua_isnumber(lua, 1))
+        xm_libc_return_error(lua, "malloc(invalid size)!");
+
+    // do malloc
+    tb_pointer_t data = tb_null;
+    tb_int_t size = (tb_int_t)lua_tointeger(lua, 1);
+    if (size > 0) data = tb_malloc(size);
+    xm_lua_pushpointer(lua, data);
+    return 1;
+}
+
diff --git a/core/src/xmake/libc/prefix.h b/core/src/xmake/libc/prefix.h
new file mode 100644
index 000000000..a220690d6
--- /dev/null
+++ b/core/src/xmake/libc/prefix.h
@@ -0,0 +1,44 @@
+/*!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-present, TBOOX Open Source Group.
+ *
+ * @author      ruki
+ * @file        prefix.h
+ *
+ */
+#ifndef XM_LIBC_PREFIX_H
+#define XM_LIBC_PREFIX_H
+
+/* //////////////////////////////////////////////////////////////////////////////////////
+ * includes
+ */
+#include "../prefix.h"
+
+/* //////////////////////////////////////////////////////////////////////////////////////
+ * macros
+ */
+
+// return libc error
+#define xm_libc_return_error(lua, error)          \
+    do                                            \
+    {                                             \
+        lua_pushnil(lua);                         \
+        lua_pushliteral(lua, error);              \
+        return 2;                                 \
+    } while (0)
+
+#endif
+
+
diff --git a/core/src/xmake/makefile b/core/src/xmake/makefile
index 20bc49d82..a25bd0936 100644
--- a/core/src/xmake/makefile
+++ b/core/src/xmake/makefile
@@ -115,7 +115,8 @@ xmake_C_FILES 			+= \
 						readline/readline \
 						readline/history_list \
 						readline/add_history \
-						readline/clear_history
+						readline/clear_history \
+						libc/malloc
 
 iswin =
 ifeq ($(PLAT),windows)
diff --git a/core/src/xmake/string/endswith.c b/core/src/xmake/string/endswith.c
index df574b657..8f64dbda6 100644
--- a/core/src/xmake/string/endswith.c
+++ b/core/src/xmake/string/endswith.c
@@ -48,7 +48,6 @@ tb_int_t xm_string_endswith(lua_State* lua)
     // string:endswith(suffix)?
     lua_pushboolean(lua, string_size >= suffix_size && !tb_strcmp(string + string_size - suffix_size, suffix));
 
-
     // ok
     return 1;
 }