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better to use 'long' to represent UTF-8 code points

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Roberto Ierusalimschy
2014-10-01 08:52:33 -03:00
parent d35fff16d5
commit 34b6664dcb
4 changed files with 13 additions and 12 deletions
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8
lutf8lib.c
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@@ -1,5 +1,5 @@
/*
** $Id: lutf8lib.c,v 1.9 2014/05/14 18:33:37 roberto Exp roberto $
** $Id: lutf8lib.c,v 1.10 2014/07/16 13:56:14 roberto Exp roberto $
** Standard library for UTF-8 manipulation
** See Copyright Notice in lua.h
*/
@@ -123,9 +123,9 @@ static int codepoint (lua_State *L) {
static void pushutfchar (lua_State *L, int arg) {
int code = luaL_checkint(L, arg);
lua_Integer code = luaL_checkinteger(L, arg);
luaL_argcheck(L, 0 <= code && code <= MAXUNICODE, arg, "value out of range");
lua_pushfstring(L, "%U", code);
lua_pushfstring(L, "%U", (long)code);
}
@@ -157,7 +157,7 @@ static int utfchar (lua_State *L) {
static int byteoffset (lua_State *L) {
size_t len;
const char *s = luaL_checklstring(L, 1, &len);
int n = luaL_checkint(L, 2);
lua_Integer n = luaL_checkinteger(L, 2);
lua_Integer posi = (n >= 0) ? 1 : len + 1;
posi = u_posrelat(luaL_optinteger(L, 3, posi), len);
luaL_argcheck(L, 1 <= posi && --posi <= (lua_Integer)len, 3,