added some casts between integral types (to avoid warnings)

liolib.c

@@ -1,5 +1,5 @@
 /*
-** $Id: liolib.c,v 2.126 2014/06/02 03:00:51 roberto Exp roberto $
+** $Id: liolib.c,v 2.127 2014/06/30 19:48:08 roberto Exp roberto $
 ** Standard I/O (and system) library
 ** See Copyright Notice in lua.h
 */
@@ -654,7 +654,7 @@ static int f_setvbuf (lua_State *L) {
   FILE *f = tofile(L);
   int op = luaL_checkoption(L, 2, NULL, modenames);
   lua_Integer sz = luaL_optinteger(L, 3, LUAL_BUFFERSIZE);
-  int res = setvbuf(f, NULL, mode[op], sz);
+  int res = setvbuf(f, NULL, mode[op], (size_t)sz);
   return luaL_fileresult(L, res == 0, NULL);
 }
 

loadlib.c

@@ -1,5 +1,5 @@
 /*
-** $Id: loadlib.c,v 1.114 2014/07/16 13:56:14 roberto Exp roberto $
+** $Id: loadlib.c,v 1.115 2014/07/28 17:47:53 roberto Exp roberto $
 ** Dynamic library loader for Lua
 ** See Copyright Notice in lua.h
 **
@@ -293,7 +293,7 @@ static void addtoclib (lua_State *L, const char *path, void *plib) {
 ** handles in list CLIBS
 */
 static int gctm (lua_State *L) {
-  int n = luaL_len(L, 1);
+  lua_Integer n = luaL_len(L, 1);
   for (; n >= 1; n--) {  /* for each handle, in reverse order */
     lua_rawgeti(L, 1, n);  /* get handle CLIBS[n] */
     lsys_unloadlib(lua_touserdata(L, -1));

lstrlib.c

@@ -1,5 +1,5 @@
 /*
-** $Id: lstrlib.c,v 1.197 2014/04/16 18:48:31 roberto Exp roberto $
+** $Id: lstrlib.c,v 1.198 2014/04/27 14:42:26 roberto Exp roberto $
 ** Standard library for string operations and pattern-matching
 ** See Copyright Notice in lua.h
 */
@@ -59,7 +59,7 @@ static int str_sub (lua_State *L) {
   if (start < 1) start = 1;
   if (end > (lua_Integer)l) end = l;
   if (start <= end)
-    lua_pushlstring(L, s + start - 1, end - start + 1);
+    lua_pushlstring(L, s + start - 1, (size_t)(end - start + 1));
   else lua_pushliteral(L, "");
   return 1;
 }
@@ -119,7 +119,7 @@ static int str_rep (lua_State *L) {
   else if (l + lsep < l || l + lsep > MAXSIZE / n)  /* may overflow? */
     return luaL_error(L, "resulting string too large");
   else {
-    size_t totallen = n * l + (n - 1) * lsep;
+    size_t totallen = (size_t)n * l + (size_t)(n - 1) * lsep;
     luaL_Buffer b;
     char *p = luaL_buffinitsize(L, &b, totallen);
     while (n-- > 1) {  /* first n-1 copies (followed by separator) */
@@ -594,7 +594,7 @@ static int str_find_aux (lua_State *L, int find) {
   /* explicit request or no special characters? */
   if (find && (lua_toboolean(L, 4) || nospecials(p, lp))) {
     /* do a plain search */
-    const char *s2 = lmemfind(s + init - 1, ls - init + 1, p, lp);
+    const char *s2 = lmemfind(s + init - 1, ls - (size_t)init + 1, p, lp);
     if (s2) {
       lua_pushinteger(L, s2 - s + 1);
       lua_pushinteger(L, s2 - s + lp);
@@ -744,9 +744,9 @@ static int str_gsub (lua_State *L) {
   const char *src = luaL_checklstring(L, 1, &srcl);
   const char *p = luaL_checklstring(L, 2, &lp);
   int tr = lua_type(L, 3);
-  size_t max_s = luaL_optinteger(L, 4, srcl+1);
+  lua_Integer max_s = luaL_optinteger(L, 4, srcl + 1);
   int anchor = (*p == '^');
-  size_t n = 0;
+  lua_Integer n = 0;
   MatchState ms;
   luaL_Buffer b;
   luaL_argcheck(L, tr == LUA_TNUMBER || tr == LUA_TSTRING ||

ltablib.c

@@ -1,5 +1,5 @@
 /*
-** $Id: ltablib.c,v 1.71 2014/07/16 12:44:52 roberto Exp roberto $
+** $Id: ltablib.c,v 1.72 2014/07/25 18:46:00 roberto Exp roberto $
 ** Library for Table Manipulation
 ** See Copyright Notice in lua.h
 */
@@ -227,13 +227,13 @@ static int unpack (lua_State *L) {
   e = luaL_opt(L, luaL_checkinteger, 3, luaL_len(L, 1));
   if (i > e) return 0;  /* empty range */
   n = (lua_Unsigned)e - i;  /* number of elements minus 1 (avoid overflows) */
-  if (n >= (unsigned int)INT_MAX  || !lua_checkstack(L, ++n))
+  if (n >= (unsigned int)INT_MAX  || !lua_checkstack(L, (int)(++n)))
     return luaL_error(L, "too many results to unpack");
   do {  /* must have at least one element */
     (*ta.geti)(L, 1, i);  /* push arg[i..e] */
   } while (i++ < e); 
 
-  return n;
+  return (int)n;
 }
 
 /* }====================================================== */
@@ -334,11 +334,11 @@ static void auxsort (lua_State *L, TabA *ta, int l, int u) {
 
 static int sort (lua_State *L) {
   TabA ta;
-  int n = aux_getn(L, 1, &ta);
+  int n = (int)aux_getn(L, 1, &ta);
   luaL_checkstack(L, 50, "");  /* assume array is smaller than 2^50 */
   if (!lua_isnoneornil(L, 2))  /* is there a 2nd argument? */
     luaL_checktype(L, 2, LUA_TFUNCTION);
-  lua_settop(L, 2);  /* make sure there is two arguments */
+  lua_settop(L, 2);  /* make sure there are two arguments */
   auxsort(L, &ta, 1, n);
   return 0;
 }