nixio: Improve number handling with non-double Lua setups

1 files changed, 13 insertions, 0 deletions

diff --git a/libs/nixio/src/nixio.h b/libs/nixio/src/nixio.h
index 0c43cfe8a2..ff75cfd981 100644
--- a/libs/nixio/src/nixio.h
+++ b/libs/nixio/src/nixio.h
@@ -19,6 +19,7 @@
 #include <lua.h>
 #include <lualib.h>
 #include <lauxlib.h>
+#include <luaconf.h>
 
 #define NIXIO_BUFFERSIZE 8192
 
@@ -39,6 +40,18 @@ typedef struct nixio_address {
 int nixio__perror(lua_State *L);
 int nixio__pstatus(lua_State *L, int condition);
 
+#if defined(LUA_NUMBER_DOUBLE) || defined(LNUM_DOUBLE) || defined(LNUM_LDOUBLE)
+#define NIXIO_DOUBLE 1
+#define nixio__checknumber luaL_checknumber
+#define nixio__pushnumber  lua_pushnumber
+#define nixio__optnumber   luaL_optnumber
+#else
+#define nixio__checknumber luaL_checkinteger
+#define nixio__pushnumber  lua_pushinteger
+#define nixio__optnumber   luaL_optinteger
+#endif
+
+
 #ifndef __WINNT__
 
 #define NIXIO_API extern