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using 'snprintf' in C99 (both for documentation of buffer sizes

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and some complains from tools)
This commit is contained in:
Roberto Ierusalimschy
2015-06-18 11:26:05 -03:00
parent cbe05b48bb
commit 19eb6ae580
3 changed files with 39 additions and 26 deletions
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8
lobject.c
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@@ -1,5 +1,5 @@
/*
** $Id: lobject.c,v 2.103 2015/03/28 19:14:47 roberto Exp roberto $
** $Id: lobject.c,v 2.104 2015/04/11 18:30:08 roberto Exp roberto $
** Some generic functions over Lua objects
** See Copyright Notice in lua.h
*/
@@ -333,9 +333,9 @@ void luaO_tostring (lua_State *L, StkId obj) {
size_t len;
lua_assert(ttisnumber(obj));
if (ttisinteger(obj))
len = lua_integer2str(buff, ivalue(obj));
len = lua_integer2str(buff, sizeof(buff), ivalue(obj));
else {
len = lua_number2str(buff, fltvalue(obj));
len = lua_number2str(buff, sizeof(buff), fltvalue(obj));
#if !defined(LUA_COMPAT_FLOATSTRING)
if (buff[strspn(buff, "-0123456789")] == '\0') { /* looks like an int? */
buff[len++] = lua_getlocaledecpoint();
@@ -393,7 +393,7 @@ const char *luaO_pushvfstring (lua_State *L, const char *fmt, va_list argp) {
}
case 'p': {
char buff[4*sizeof(void *) + 8]; /* should be enough space for a '%p' */
int l = sprintf(buff, "%p", va_arg(argp, void *));
int l = l_sprintf(buff, sizeof(buff), "%p", va_arg(argp, void *));
pushstr(L, buff, l);
break;
}