Squashed 'vendor/compat53/' changes from 6f3deea..bc91f40

bc91f40 Merge pull request #38 from ThePhD/warnings/vcxx
3615e44 fix VC warnings for integer down-conversions to char
db8446d Merge pull request #37 from keplerproject/strerror
447deca Add braces and suppress warning.
b782901 Do less stuff when sz is 0 in compat53_strerror().
9895acb Transparently handle GNU/XSI strerror_r.
9cb6834 Add Travis-CI integration
ee2d198 Fix links in the README.md.
c381aa3 Merge branch 'ThePhD-feature/luaL_loadfilebufferx'
09b201c Add tests for `luaL_load{buffer,file}x`.
3b52d81 Add Lua 5.3 version of `lua_load`.
8425f99 Merge branch 'feature/luaL_loadfilebufferx' of https://github.com/ThePhD/lua-compat-5.3 into ThePhD-feature/luaL_loadfilebufferx
9435c6c Merge branch 'daurnimator-luaL_Stream'
bf96f3d Include lualib.h, remove #define LUA_FILEHANDLE.
f76fb00 Merge branch 'luaL_Stream' of https://github.com/daurnimator/lua-compat-5.3 into daurnimator-luaL_Stream
7fc7aba Merge branch 'ThePhD-fix/lua_Number_casts'
ee862eb Merge branch 'fix/lua_Number_casts' of https://github.com/ThePhD/lua-compat-5.3 into ThePhD-fix/lua_Number_casts
f3b1160 Merge branch 'ThePhD-feature/LUA_ERRGCMM'
73a7b6b fix usage of tabs
0c9d432 fix `lua_Integer` casts that error on Visual C++ and other pedantic conversion-warning compilers for 64-bit builds
7320d58 define LUA_ERRGCMM code for return values
6065d10 update readme
8ee5245 implement luaL_loadbufferx and luaL_loadfilex
0821294 Merge pull request #26 from daurnimator/lua_resume
c0a59dd Add (partial) luaL_Stream definition
c0db566 Add LUA_FILEHANDLE define
690239b Add lua_resume
1037026 Merge pull request #24 from daurnimator/implicit-fallthrough
a3f456a Use FALLTHROUGH annotation to fix -Wimplicit-fallthrough warning

git-subtree-dir: vendor/compat53
git-subtree-split: bc91f40919196e6af6371c26f851f8f94da0b15c

2 files changed, 131 insertions, 73 deletions

diff --git a/tests/test.lua b/tests/test.lua
index 582f55e..2f6c7f6 100755
--- a/tests/test.lua
+++ b/tests/test.lua
@@ -40,7 +40,7 @@ local mode = "global"
 if arg[1] == "module" then
   mode = "module"
 end
-
+local self = arg[0]
 
 package.path = "../?.lua;../?/init.lua"
 package.cpath = "./?-"..V..".so;./?-"..V..".dll;./?.so;./?.dll"
@@ -603,11 +603,11 @@ end
 ___''
 do
    writefile("data.txt", "123 18.8 hello world\ni'm here\n")
-   for a,b in io.lines("test.lua", 2, "*l") do
+   for a,b in io.lines(self, 2, "*l") do
       print("io.lines()", a, b)
       break
    end
-   for l in io.lines("test.lua") do
+   for l in io.lines(self) do
       print("io.lines()", l)
       break
    end
@@ -624,7 +624,7 @@ do
       for l in io.lines("no_such_file.txt") do print(l) end
    end))
    if mode ~= "module" then
-     local f = assert(io.open("test.lua", "r"))
+     local f = assert(io.open(self, "r"))
      for a,b in f:lines(2, "*l") do
         print("file:lines()", a, b)
         break
@@ -657,133 +657,158 @@ ___''
 print("testing C API ...")
 local mod = require("testmod")
 ___''
-print(mod.isinteger(1))
-print(mod.isinteger(0))
-print(mod.isinteger(1234567))
-print(mod.isinteger(12.3))
-print(mod.isinteger(math.huge))
-print(mod.isinteger(math.sqrt(-1)))
+print("isinteger", mod.isinteger(1))
+print("isinteger", mod.isinteger(0))
+print("isinteger", mod.isinteger(1234567))
+print("isinteger", mod.isinteger(12.3))
+print("isinteger", mod.isinteger(math.huge))
+print("isinteger", mod.isinteger(math.sqrt(-1)))
 
 
 ___''
-print(mod.rotate(1, 1, 2, 3, 4, 5, 6))
-print(mod.rotate(-1, 1, 2, 3, 4, 5, 6))
-print(mod.rotate(4, 1, 2, 3, 4, 5, 6))
-print(mod.rotate(-4, 1, 2, 3, 4, 5, 6))
+print("rotate", mod.rotate(1, 1, 2, 3, 4, 5, 6))
+print("rotate", mod.rotate(-1, 1, 2, 3, 4, 5, 6))
+print("rotate", mod.rotate(4, 1, 2, 3, 4, 5, 6))
+print("rotate", mod.rotate(-4, 1, 2, 3, 4, 5, 6))
 
 
 ___''
-print(mod.strtonum("+123"))
-print(mod.strtonum(" 123 "))
-print(mod.strtonum("-1.23"))
-print(mod.strtonum(" 123 abc"))
-print(mod.strtonum("jkl"))
+print("strtonum", mod.strtonum("+123"))
+print("strtonum", mod.strtonum(" 123 "))
+print("strtonum", mod.strtonum("-1.23"))
+print("strtonum", mod.strtonum(" 123 abc"))
+print("strtonum", mod.strtonum("jkl"))
 
 
 ___''
 local a, b, c = mod.requiref()
-print( type(a), type(b), type(c),
-       a.boolean, b.boolean, c.boolean,
-       type(requiref1), type(requiref2), type(requiref3))
+print("requiref", type(a), type(b), type(c),
+      a.boolean, b.boolean, c.boolean,
+      type(requiref1), type(requiref2), type(requiref3))
 
 ___''
 local proxy, backend = {}, {}
 setmetatable(proxy, { __index = backend, __newindex = backend })
-print(rawget(proxy, 1), rawget(backend, 1))
-print(mod.getseti(proxy, 1))
-print(rawget(proxy, 1), rawget(backend, 1))
-print(mod.getseti(proxy, 1))
-print(rawget(proxy, 1), rawget(backend, 1))
+print("geti/seti", rawget(proxy, 1), rawget(backend, 1))
+print("geti/seti", mod.getseti(proxy, 1))
+print("geti/seti", rawget(proxy, 1), rawget(backend, 1))
+print("geti/seti", mod.getseti(proxy, 1))
+print("geti/seti", rawget(proxy, 1), rawget(backend, 1))
 
 -- tests for Lua 5.1
 ___''
-print(mod.tonumber(12))
-print(mod.tonumber("12"))
-print(mod.tonumber("0"))
-print(mod.tonumber(false))
-print(mod.tonumber("error"))
+print("tonumber", mod.tonumber(12))
+print("tonumber", mod.tonumber("12"))
+print("tonumber", mod.tonumber("0"))
+print("tonumber", mod.tonumber(false))
+print("tonumber", mod.tonumber("error"))
 
 ___''
-print(mod.tointeger(12))
-print(mod.tointeger("12"))
-print(mod.tointeger("0"))
-print( "aaa" )
-print(mod.tointeger(math.pi))
-print( "bbb" )
-print(mod.tointeger(false))
-print(mod.tointeger("error"))
+print("tointeger", mod.tointeger(12))
+print("tointeger", mod.tointeger("12"))
+print("tointeger", mod.tointeger("0"))
+print("tointeger", mod.tointeger(math.pi))
+print("tointeger", mod.tointeger(false))
+print("tointeger", mod.tointeger("error"))
 
 ___''
-print(mod.len("123"))
-print(mod.len({ 1, 2, 3}))
-print(pcall(mod.len, true))
+print("len", mod.len("123"))
+print("len", mod.len({ 1, 2, 3}))
+print("len", pcall(mod.len, true))
 local ud, meta = mod.newproxy()
 meta.__len = function() return 5 end
-print(mod.len(ud))
+print("len", mod.len(ud))
 meta.__len = function() return true end
-print(pcall(mod.len, ud))
+print("len", pcall(mod.len, ud))
 
 ___''
-print(mod.copy(true, "string", {}, 1))
+print("copy", mod.copy(true, "string", {}, 1))
 
 ___''
-print(mod.rawxetp())
-print(mod.rawxetp("I'm back"))
+print("rawgetp/rawsetp", mod.rawxetp())
+print("rawgetp/rawsetp", mod.rawxetp("I'm back"))
 
 ___''
-print(F(mod.globals()), mod.globals() == _G)
+print("globals", F(mod.globals()), mod.globals() == _G)
 
 ___''
 local t = {}
-print(F(mod.subtable(t)))
+print("getsubtable", F(mod.subtable(t)))
 local x, msg = mod.subtable(t)
-print(F(x, msg, x == t.xxx))
+print("getsubtable", F(x, msg, x == t.xxx))
 
 ___''
-print(F(mod.udata()))
-print(mod.udata("nosuchtype"))
+print("udata", F(mod.udata()))
+print("udata", mod.udata("nosuchtype"))
 
 ___''
-print(F(mod.uservalue()))
+print("uservalue", F(mod.uservalue()))
 
 ___''
-print(mod.getupvalues())
+print("upvalues", mod.getupvalues())
 
 ___''
-print(mod.absindex("hi", true))
+print("absindex", mod.absindex("hi", true))
 
 ___''
-print(mod.arith(2, 1))
-print(mod.arith(3, 5))
+print("arith", mod.arith(2, 1))
+print("arith", mod.arith(3, 5))
 
 ___''
-print(mod.compare(1, 1))
-print(mod.compare(2, 1))
-print(mod.compare(1, 2))
+print("compare", mod.compare(1, 1))
+print("compare", mod.compare(2, 1))
+print("compare", mod.compare(1, 2))
 
 ___''
-print(mod.tolstring("string"))
+print("tolstring", mod.tolstring("string"))
 local t = setmetatable({}, {
   __tostring = function(v) return "mytable" end
 })
-print(mod.tolstring(t))
+print("tolstring", mod.tolstring(t))
 local t = setmetatable({}, {
   __tostring = function(v) return nil end
 })
-print(pcall(mod.tolstring, t))
+print("tolstring", pcall(mod.tolstring, t))
 local ud, meta = mod.newproxy()
 meta.__name = "XXX"
-print(mod.tolstring(ud):gsub(":.*$", ": yyy"))
+print("tolstring", mod.tolstring(ud):gsub(":.*$", ": yyy"))
+
+___''
+print("pushstring", mod.pushstring())
 
 ___''
-print(mod.pushstring())
+print("Buffer", mod.buffer())
 
 ___''
-print(mod.buffer())
+print("execresult", mod.exec("exit 0"))
+print("execresult", mod.exec("exit 1"))
+print("execresult", mod.exec("exit 25"))
 
 ___''
-print(mod.exec("exit 0"))
-print(mod.exec("exit 1"))
-print(mod.exec("exit 25"))
+do
+  local bin = string.dump(function() end)
+  local modes = { "t", "b", "bt" }
+  local codes = {
+    "", "return true", bin, "invalidsource", "\27invalidbinary"
+  }
+  for _,m in ipairs(modes) do
+    for i,c in ipairs(codes) do
+      print("loadbufferx", m, i, F(mod.loadstring(c, m)))
+    end
+  end
+
+  ___''
+  local bom = "\239\187\191"
+  local shebang = "#!/usr/bin/env lua\n"
+  codes[#codes+1] = bom .. shebang .. "return true"
+  codes[#codes+1] = bom .. shebang .. bin
+  codes[#codes+1] = bom .. shebang .. "invalidsource"
+  codes[#codes+1] = bom .. shebang .. "\027invalidbinary"
+  for _,m in ipairs(modes) do
+    for i,c in ipairs(codes) do
+      print("loadfilex", m, i, F(mod.loadfile(c, m)))
+    end
+  end
+end
 ___''
 
diff --git a/tests/testmod.c b/tests/testmod.c
index 868136b..a0d2e2a 100644
--- a/tests/testmod.c
+++ b/tests/testmod.c
@@ -1,7 +1,5 @@
 #include <stdio.h>
 #include <stdlib.h>
-#include <lua.h>
-#include <lauxlib.h>
 #include "compat-5.3.h"
 
 
@@ -12,7 +10,7 @@ static int test_isinteger (lua_State *L) {
 
 
 static int test_rotate (lua_State *L) {
-  int r = luaL_checkint(L, 1);
+  int r = (int)luaL_checkinteger(L, 1);
   int n = lua_gettop(L)-1;
   luaL_argcheck(L, (r < 0 ? -r : r) <= n, 1, "not enough arguments");
   lua_rotate(L, 2, r);
@@ -274,6 +272,33 @@ static int test_exec (lua_State *L) {
   return luaL_execresult(L, system(cmd));
 }
 
+static int test_loadstring (lua_State *L) {
+  size_t len = 0;
+  char const* s = luaL_checklstring(L, 1, &len);
+  char const* mode = luaL_optstring(L, 2, "bt");
+  lua_pushinteger(L, luaL_loadbufferx(L, s, len, s, mode));
+  return 2;
+}
+
+static int test_loadfile (lua_State *L) {
+  char filename[L_tmpnam+1] = { 0 };
+  size_t len = 0;
+  char const* s = luaL_checklstring(L, 1, &len);
+  char const* mode = luaL_optstring(L, 2, "bt");
+  if (tmpnam(filename)) {
+    FILE* f = fopen(filename, "wb");
+    if (f) {
+      fwrite(s, 1, len, f);
+      fclose(f);
+      lua_pushinteger(L, luaL_loadfilex(L, filename, mode));
+      remove(filename);
+      return 2;
+    } else
+      remove(filename);
+  }
+  return 0;
+}
+
 
 static const luaL_Reg funcs[] = {
   { "isinteger", test_isinteger },
@@ -297,6 +322,8 @@ static const luaL_Reg funcs[] = {
   { "pushstring", test_pushstring },
   { "buffer", test_buffer },
   { "exec", test_exec },
+  { "loadstring", test_loadstring },
+  { "loadfile", test_loadfile },
   { NULL, NULL }
 };
 
@@ -307,6 +334,9 @@ static const luaL_Reg more_funcs[] = {
 };
 
 
+#ifdef __cplusplus
+extern "C" {
+#endif
 int luaopen_testmod (lua_State *L) {
   int i = 1;
   luaL_newlib(L, funcs);
@@ -315,4 +345,7 @@ int luaopen_testmod (lua_State *L) {
   luaL_setfuncs(L, more_funcs, NUP);
   return 1;
 }
+#ifdef __cplusplus
+}
+#endif