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"const" !!!

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This commit is contained in:
Roberto Ierusalimschy
1999-08-16 17:52:00 -03:00
parent b44e35b773
commit c787dccd9b
40 changed files with 442 additions and 516 deletions
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41
lauxlib.c
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@@ -1,5 +1,5 @@
/*
** $Id: lauxlib.c,v 1.16 1999/03/10 14:19:41 roberto Exp roberto $
** $Id: lauxlib.c,v 1.17 1999/03/11 18:59:19 roberto Exp roberto $
** Auxiliary functions for building Lua libraries
** See Copyright Notice in lua.h
*/
@@ -20,7 +20,7 @@
int luaL_findstring (char *name, char *list[]) {
int luaL_findstring (const char *name, const char *const list[]) {
int i;
for (i=0; list[i]; i++)
if (strcmp(list[i], name) == 0)
@@ -28,9 +28,9 @@ int luaL_findstring (char *name, char *list[]) {
return -1; /* name not found */
}
void luaL_argerror (int numarg, char *extramsg) {
void luaL_argerror (int numarg, const char *extramsg) {
lua_Function f = lua_stackedfunction(0);
char *funcname;
const char *funcname;
lua_getobjname(f, &funcname);
numarg -= lua_nups(f);
if (funcname == NULL)
@@ -42,58 +42,50 @@ void luaL_argerror (int numarg, char *extramsg) {
numarg, funcname, extramsg);
}
char *luaL_check_lstr (int numArg, long *len)
{
const char *luaL_check_lstr (int numArg, long *len) {
lua_Object o = lua_getparam(numArg);
luaL_arg_check(lua_isstring(o), numArg, "string expected");
if (len) *len = lua_strlen(o);
return lua_getstring(o);
}
char *luaL_opt_lstr (int numArg, char *def, long *len)
{
const char *luaL_opt_lstr (int numArg, const char *def, long *len) {
return (lua_getparam(numArg) == LUA_NOOBJECT) ? def :
luaL_check_lstr(numArg, len);
}
double luaL_check_number (int numArg)
{
double luaL_check_number (int numArg) {
lua_Object o = lua_getparam(numArg);
luaL_arg_check(lua_isnumber(o), numArg, "number expected");
return lua_getnumber(o);
}
double luaL_opt_number (int numArg, double def)
{
double luaL_opt_number (int numArg, double def) {
return (lua_getparam(numArg) == LUA_NOOBJECT) ? def :
luaL_check_number(numArg);
}
lua_Object luaL_tablearg (int arg)
{
lua_Object luaL_tablearg (int arg) {
lua_Object o = lua_getparam(arg);
luaL_arg_check(lua_istable(o), arg, "table expected");
return o;
}
lua_Object luaL_functionarg (int arg)
{
lua_Object luaL_functionarg (int arg) {
lua_Object o = lua_getparam(arg);
luaL_arg_check(lua_isfunction(o), arg, "function expected");
return o;
}
lua_Object luaL_nonnullarg (int numArg)
{
lua_Object luaL_nonnullarg (int numArg) {
lua_Object o = lua_getparam(numArg);
luaL_arg_check(o != LUA_NOOBJECT, numArg, "value expected");
return o;
}
void luaL_openlib (struct luaL_reg *l, int n)
{
void luaL_openlib (const struct luaL_reg *l, int n) {
int i;
lua_open(); /* make sure lua is already open */
for (i=0; i<n; i++)
@@ -101,8 +93,7 @@ void luaL_openlib (struct luaL_reg *l, int n)
}
void luaL_verror (char *fmt, ...)
{
void luaL_verror (const char *fmt, ...) {
char buff[500];
va_list argp;
va_start(argp, fmt);
@@ -112,14 +103,14 @@ void luaL_verror (char *fmt, ...)
}
void luaL_chunkid (char *out, char *source, int len) {
void luaL_chunkid (char *out, const char *source, int len) {
len -= 13; /* 13 = strlen("string ''...\0") */
if (*source == '@')
sprintf(out, "file `%.*s'", len, source+1);
else if (*source == '(')
strcpy(out, "(C code)");
else {
char *b = strchr(source , '\n'); /* stop string at first new line */
const char *b = strchr(source , '\n'); /* stop string at first new line */
int lim = (b && (b-source)<len) ? b-source : len;
sprintf(out, "string `%.*s'", lim, source);
strcpy(out+lim+(13-5), "...'"); /* 5 = strlen("...'\0") */
@@ -127,7 +118,7 @@ void luaL_chunkid (char *out, char *source, int len) {
}
void luaL_filesource (char *out, char *filename, int len) {
void luaL_filesource (char *out, const char *filename, int len) {
if (filename == NULL) filename = "(stdin)";
sprintf(out, "@%.*s", len-2, filename); /* -2 for '@' and '\0' */
}