Bind sysconf(3)

1 files changed, 13 insertions, 1 deletions

diff --git a/luxio.c b/luxio.c
index 6507a00..97323f1 100644
--- a/luxio.c
+++ b/luxio.c
@@ -1011,7 +1011,17 @@ luxio_isatty(lua_State *L)
 
 /* 4.8 Configurable system variables *****************************************/
 
-/* TODO: sysconf() 4.8.1 */
+static int
+luxio_sysconf(lua_State *L)
+{
+	int name = luaL_checkinteger(L, 1);
+	long result = sysconf(name);
+
+	lua_pushinteger(L, result);
+	lua_pushinteger(L, result == -1 ? errno : 0);
+
+	return 2;
+}
 
 /*** Directories.
 @section dir
@@ -4592,6 +4602,8 @@ luxio_functions[] = {
 	{ "ttyname", luxio_ttyname },
 	{ "isatty", luxio_isatty },
 
+	{ "sysconf", luxio_sysconf },
+
 	{ NULL, NULL }
 };