backport Lua 5.2/5.3 buffer API for Lua 5.1

1 files changed, 15 insertions, 0 deletions

diff --git a/tests/testmod.c b/tests/testmod.c
index 2c6242b..f89b10a 100644
--- a/tests/testmod.c
+++ b/tests/testmod.c
@@ -242,6 +242,20 @@ static int test_tolstring (lua_State *L) {
   return 2;
 }
 
+static int test_buffer (lua_State *L) {
+  luaL_Buffer b;
+  char *p = luaL_buffinitsize(L, &b, LUAL_BUFFERSIZE+1);
+  p[0] = 'a';
+  p[1] = 'b';
+  luaL_addsize(&b, 2);
+  luaL_addstring(&b, "c");
+  lua_pushliteral(L, "d");
+  luaL_addvalue(&b);
+  luaL_addchar(&b, 'e');
+  luaL_pushresult(&b);
+  return 1;
+}
+
 
 static const luaL_Reg funcs[] = {
   { "isinteger", test_isinteger },
@@ -262,6 +276,7 @@ static const luaL_Reg funcs[] = {
   { "uservalue", test_uservalue },
   { "globals", test_globals },
   { "tolstring", test_tolstring },
+  { "buffer", test_buffer },
   { NULL, NULL }
 };