Пример #1
0
static int 
e3(void)
{
	int	p1;
	register unsigned char	*a;
	unsigned char	*p2;
	long long	ll_1, ll_2;

	a = nxtarg(0);
	if (eq(a, "("))
	{
		p1 = sexp();
		if (!eq(nxtarg(0), ")"))
			failed("test",") expected");
		return(p1);
	}
	p2 = nxtarg(1);
	ap--;
	if ((p2 == 0) || (!eq(p2, "=") && !eq(p2, "!=")))
	{
		if (eq(a, "-r"))
			return(chk_access(nxtarg(0), S_IREAD, 0) == 0);
		if (eq(a, "-w"))
			return(chk_access(nxtarg(0), S_IWRITE, 0) == 0);
		if (eq(a, "-x"))
			return(chk_access(nxtarg(0), S_IEXEC, 0) == 0);
#ifdef	SUS
		if (eq(a, "-e"))
			return(access(nxtarg(0), F_OK) == 0);
		if (eq(a, "-S"))
			return(filtyp(nxtarg(0), S_IFSOCK));
		if (eq(a, "!"))
			return(!e3());
#endif	/* SUS */
		if (eq(a, "-d"))
			return(filtyp(nxtarg(0), S_IFDIR));
		if (eq(a, "-c"))
			return(filtyp(nxtarg(0), S_IFCHR));
		if (eq(a, "-b"))
			return(filtyp(nxtarg(0), S_IFBLK));
		if (eq(a, "-f"))
			if (ucb_builtins) {
				struct stat statb;
			
				return(stat((char *)nxtarg(0), &statb) >= 0 &&
					(statb.st_mode & S_IFMT) != S_IFDIR);
			}
			else
				return(filtyp(nxtarg(0), S_IFREG));
		if (eq(a, "-u"))
			return(ftype(nxtarg(0), S_ISUID));
		if (eq(a, "-g"))
			return(ftype(nxtarg(0), S_ISGID));
		if (eq(a, "-k"))
			return(ftype(nxtarg(0), S_ISVTX));
		if (eq(a, "-p"))
			return(filtyp(nxtarg(0), S_IFIFO));
		if (eq(a, "-h") || eq(a, "-L"))
			return(filtyp(nxtarg(0), S_IFLNK));
   		if (eq(a, "-s"))
			return(fsizep(nxtarg(0)));
		if (eq(a, "-t"))
		{
			if (ap >= ac)		/* no args */
				return(isatty(1));
			else if (eq((a = nxtarg(0)), "-a") || eq(a, "-o"))
			{
				ap--;
				return(isatty(1));
			}
			else
				return(isatty(atoi((char *)a)));
		}
		if (eq(a, "-n"))
			return(!eq(nxtarg(0), ""));
		if (eq(a, "-z"))
			return(eq(nxtarg(0), ""));
	}

	p2 = nxtarg(1);
	if (p2 == 0)
		return(!eq(a, ""));
	if (eq(p2, "-a") || eq(p2, "-o"))
	{
		ap--;
		return(!eq(a, ""));
	}
	if (eq(p2, "="))
		return(eq(nxtarg(0), a));
	if (eq(p2, "!="))
		return(!eq(nxtarg(0), a));
	ll_1 = stoifll(a);
	ll_2 = stoifll(nxtarg(0));
	if (eq(p2, "-eq"))
		return (ll_1 == ll_2);
	if (eq(p2, "-ne"))
		return (ll_1 != ll_2);
	if (eq(p2, "-gt"))
		return (ll_1 > ll_2);
	if (eq(p2, "-lt"))
		return (ll_1 < ll_2);
	if (eq(p2, "-ge"))
		return (ll_1 >= ll_2);
	if (eq(p2, "-le"))
		return (ll_1 <= ll_2);

	bfailed(btest, badop, p2);
/* NOTREACHED */
	return 0;
}
Пример #2
0
static int
e3(void)
{
	int p1;
	char *a;
	char *p2;
	int int1, int2;

	a = nxtarg(0);
	if (EQ(a, "(")) {
		p1 = exp();
		if (!EQ(nxtarg(0), ")")) synbad(") expected", "");
		return (p1);
	}
	p2 = nxtarg(1);
	ap--;
	if ((p2 == 0) || (!EQ(p2, "=") && !EQ(p2, "!="))) {
		if (EQ(a, "-r"))
			return (tio(nxtarg(0), 4));

		if (EQ(a, "-w"))
			return (tio(nxtarg(0), 2));

		if (EQ(a, "-x"))
			return (tio(nxtarg(0), 1));

		if (EQ(a, "-d"))
			return (filtyp(nxtarg(0), S_IFDIR));

		if (EQ(a, "-c"))
			return (filtyp(nxtarg(0), S_IFCHR));

		if (EQ(a, "-b"))
			return (filtyp(nxtarg(0), S_IFBLK));

		if (EQ(a, "-f")) {
			struct stat statb;

			return (stat(nxtarg(0), &statb) >= 0 &&
			    (statb.st_mode & S_IFMT) != S_IFDIR);
		}

		if (EQ(a, "-h"))
			return (filtyp(nxtarg(0), S_IFLNK));

		if (EQ(a, "-u"))
			return (ftype(nxtarg(0), S_ISUID));

		if (EQ(a, "-g"))
			return (ftype(nxtarg(0), S_ISGID));

		if (EQ(a, "-k"))
			return (ftype(nxtarg(0), S_ISVTX));

		if (EQ(a, "-p"))
#ifdef S_IFIFO
			return (filtyp(nxtarg(0), S_IFIFO));
#else
			return (nxtarg(0), 0);
#endif

		if (EQ(a, "-s"))
			return (fsizep(nxtarg(0)));

		if (EQ(a, "-t"))
			if (ap >= ac)
				return (isatty(1));
			else if (EQ((a = nxtarg(0)), "-a") || EQ(a, "-o")) {
				ap--;
				return (isatty(1));
			} else
				return (isatty(atoi(a)));

		if (EQ(a, "-n"))
			return (!EQ(nxtarg(0), ""));
		if (EQ(a, "-z"))
			return (EQ(nxtarg(0), ""));
	}

	p2 = nxtarg(1);
	if (p2 == 0)
		return (!EQ(a, ""));
	if (EQ(p2, "-a") || EQ(p2, "-o")) {
		ap--;
		return (!EQ(a, ""));
	}
	if (EQ(p2, "="))
		return (EQ(nxtarg(0), a));

	if (EQ(p2, "!="))
		return (!EQ(nxtarg(0), a));

	int1 = atoi(a);
	int2 = atoi(nxtarg(0));
	if (EQ(p2, "-eq"))
		return (int1 == int2);
	if (EQ(p2, "-ne"))
		return (int1 != int2);
	if (EQ(p2, "-gt"))
		return (int1 > int2);
	if (EQ(p2, "-lt"))
		return (int1 < int2);
	if (EQ(p2, "-ge"))
		return (int1 >= int2);
	if (EQ(p2, "-le"))
		return (int1 <= int2);

	synbad("unknown operator ", p2);
	/* NOTREACHED */
	return (0);
}