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'\0' is a control character, no need to check it explicitly

This commit is contained in:
Roberto Ierusalimschy 2016-02-25 16:42:55 -03:00
parent 7d6b78ee79
commit c3e9b14d24
1 changed files with 2 additions and 2 deletions
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4
lstrlib.c
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@ -1,5 +1,5 @@
/* /*
** $Id: lstrlib.c,v 1.238 2015/11/23 11:31:21 roberto Exp roberto $ ** $Id: lstrlib.c,v 1.239 2015/11/25 16:28:17 roberto Exp roberto $
** Standard library for string operations and pattern-matching ** Standard library for string operations and pattern-matching
** See Copyright Notice in lua.h ** See Copyright Notice in lua.h
*/ */
@ -931,7 +931,7 @@ static void addquoted (lua_State *L, luaL_Buffer *b, int arg) {
luaL_addchar(b, '\\'); luaL_addchar(b, '\\');
luaL_addchar(b, *s); luaL_addchar(b, *s);
} }
else if (*s == '\0' || iscntrl(uchar(*s))) { else if (iscntrl(uchar(*s))) {
char buff[10]; char buff[10];
if (!isdigit(uchar(*(s+1)))) if (!isdigit(uchar(*(s+1))))
l_sprintf(buff, sizeof(buff), "\\%d", (int)uchar(*s)); l_sprintf(buff, sizeof(buff), "\\%d", (int)uchar(*s));