Warning in loslib.c (signed-unsigned comparison)

Manual updated to version 5.5
Cast added to 'add_history'
2026-07-27 08:29:08 +00:00 · 2025-06-27 14:47:11 -03:00 · 2025-06-27 14:46:41 -03:00 · 2025-06-26 11:45:42 -03:00
4 changed files with 14 additions and 13 deletions
--- a/loslib.c
+++ b/loslib.c
@@ -273,7 +273,7 @@ static int getfield (lua_State *L, const char *key, int d, int delta) {


 static const char *checkoption (lua_State *L, const char *conv,
-                                ptrdiff_t convlen, char *buff) {
+                                size_t convlen, char *buff) {
  const char *option = LUA_STRFTIMEOPTIONS;
  unsigned oplen = 1;  /* length of options being checked */
  for (; *option != '\0' && oplen <= convlen; option += oplen) {
@@ -333,7 +333,8 @@ static int os_date (lua_State *L) {
        size_t reslen;
        char *buff = luaL_prepbuffsize(&b, SIZETIMEFMT);
        s++;  /* skip '%' */
-        s = checkoption(L, s, se - s, cc + 1);  /* copy specifier to 'cc' */
+        /* copy specifier to 'cc' */
+        s = checkoption(L, s, ct_diff2sz(se - s), cc + 1);
        reslen = strftime(buff, SIZETIMEFMT, cc, stm);
        luaL_addsize(&b, reslen);
      }
--- a/lua.c
+++ b/lua.c
@@ -488,8 +488,8 @@ static void lua_freeline (char *line) {
 static void lua_initreadline(lua_State *L) {
  UNUSED(L);
  rl_readline_name = "lua";
-  l_readline = readline;
-  l_addhist = add_history;
+  l_readline = cast(l_readlineT, readline);
+  l_addhist = cast(l_addhistT, add_history);
 }

 #elif defined(LUA_USE_DLOPEN) && defined(LUA_READLINELIB)	/* }{ */
--- a/manual/2html
+++ b/manual/2html
@@ -8,11 +8,11 @@

 ---------------------------------------------------------------
 header = [[
-<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">
+<!DOCTYPE html>
 <html>

 <head>
-<title>Lua 5.4 Reference Manual</title>
+<title>Lua 5.5 Reference Manual</title>
 <meta http-equiv="Content-Type" content="text/html;charset=utf-8">
 <link rel="stylesheet" href="lua.css">
 <link rel="stylesheet" href="manual.css">
@@ -23,7 +23,7 @@ header = [[
 <hr>
 <h1>
 <a href="http://www.lua.org/home.html"><img src="logo.gif" alt="[Lua logo]" border="0"></a>
-Lua 5.4 Reference Manual
+Lua 5.5 Reference Manual
 </h1>

 by Roberto Ierusalimschy, Luiz Henrique de Figueiredo, Waldemar Celes
--- a/manual/manual.of
+++ b/manual/manual.of
@@ -6908,7 +6908,7 @@ and @St{userdata}.

 A global variable (not a function) that
 holds a string containing the running Lua version.
-The current value of this variable is @St{Lua 5.4}.
+The current value of this variable is @St{Lua 5.5}.

 }

@@ -7154,7 +7154,7 @@ to search for a @N{C loader}.

 Lua initializes the @N{C path} @Lid{package.cpath} in the same way
 it initializes the Lua path @Lid{package.path},
-using the environment variable @defid{LUA_CPATH_5_4},
+using the environment variable @defid{LUA_CPATH_5_5},
 or the environment variable @defid{LUA_CPATH},
 or a default path defined in @id{luaconf.h}.

@@ -7223,7 +7223,7 @@ A string with the path used by @Lid{require}
 to search for a Lua loader.

 At start-up, Lua initializes this variable with
-the value of the environment variable @defid{LUA_PATH_5_4} or
+the value of the environment variable @defid{LUA_PATH_5_5} or
 the environment variable @defid{LUA_PATH} or
 with a default path defined in @id{luaconf.h},
 if those environment variables are not defined.
@@ -7594,9 +7594,9 @@ x = string.gsub("4+5 = $return 4+5$", "%$(.-)%$", function (s)
    end)
 -- x="4+5 = 9"

-local t = {name="lua", version="5.4"}
+local t = {name="lua", version="5.5"}
 x = string.gsub("$name-$version.tar.gz", "%$(%w+)", t)
-- x="lua-5.4.tar.gz"
+-- x="lua-5.5.tar.gz"
 }

 }
@@ -9332,7 +9332,7 @@ when the standard input (@id{stdin}) is a terminal,
 and as @T{lua -} otherwise.

 When called without the option @T{-E},
-the interpreter checks for an environment variable @defid{LUA_INIT_5_4}
+the interpreter checks for an environment variable @defid{LUA_INIT_5_5}
 (or @defid{LUA_INIT} if the versioned name is not defined)
 before running any argument.
 If the variable content has the format @T{@At@rep{filename}},
Author	SHA1	Message	Date
Roberto Ierusalimschy	cfce6f4b20	Warning in loslib.c (signed-unsigned comparison)	2025-06-27 14:47:11 -03:00
Roberto Ierusalimschy	1da89da62f	Manual updated to version 5.5	2025-06-27 14:46:41 -03:00
Roberto Ierusalimschy	f6c627af20	Cast added to 'add_history' MacOS defines 'add_history' with a "wrong" type (it returns 'int' instead of 'void').	2025-06-26 11:45:42 -03:00