test.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
/*
* Copyright (c) 1986 AT&T
* All Rights Reserved
*/
#ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1.3 */
#include <sys/types.h> /* EFT abs k16 */
#include "test.h"
#undef BUFSIZ
#include <stdio.h>
#include "wish.h"
#include <sys/stat.h>
#define prs(a) putastr(a, out)
#define failed(a, b) mess_temp(b)
typedef struct io_struct {
int flags;
union {
FILE *fp;
struct {
char *val;
int count;
int pos;
} str;
} mu;
struct io_struct *next;
} IOSTRUCT;
int ap, ac;
char **av;
cmd_test(argn, com, in, out, err)
char *com[];
int argn;
IOSTRUCT *in;
IOSTRUCT *out;
IOSTRUCT *err;
{
ac = argn;
av = com;
ap = 1;
if (eq(com[0],"["))
{
if (!eq(com[--ac], "]"))
failed("test", "] missing");
}
com[ac] = 0;
if (ac <= 1)
return(FAIL);
return(exp() ? SUCCESS : FAIL);
}
/*
* CF is a "strcmp" function referenced in test.h ....
*/
cf(s1, s2)
register char *s1, *s2;
{
while (*s1++ == *s2)
if (*s2++ == 0)
return(0);
return(*--s1 - *s2);
}
char *
nxtarg(mt)
{
if (ap >= ac)
{
if (mt)
{
ap++;
return(0);
}
failed("test", "argument expected");
}
return(av[ap++]);
}
exp()
{
int p1;
char *p2;
p1 = e1();
p2 = nxtarg(1);
if (p2 != 0)
{
if (eq(p2, "-o"))
return(p1 | exp());
if (eq(p2, "]") && !eq(p2, ")"))
failed("test", "test syntax error");
}
ap--;
return(p1);
}
e1()
{
int p1;
char *p2;
p1 = e2();
p2 = nxtarg(1);
if ((p2 != 0) && eq(p2, "-a"))
return(p1 & e1());
ap--;
return(p1);
}
e2()
{
if (eq(nxtarg(0), "!"))
return(!e3());
ap--;
return(e3());
}
e3()
{
int p1;
register char *a;
char *p2;
long atol();
long int1, int2;
a = nxtarg(0);
if (eq(a, "("))
{
p1 = exp();
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(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"))
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, "-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(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 = atol(a);
int2 = atol(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);
failed("test", "test - unknown operator");
/* NOTREACHED */
}
tio(a, f)
char *a;
int f;
{
if (access(a, f) == 0)
return(1);
else
return(0);
}
ftype(f, field)
char *f;
int field;
{
struct stat statb;
if (stat(f, &statb) < 0)
return(0);
if ((statb.st_mode & field) == field)
return(1);
return(0);
}
filtyp(f,field)
char *f;
int field;
{
struct stat statb;
if (stat(f, &statb) < 0)
return(0);
if ((statb.st_mode & S_IFMT) == field)
return(1);
else
return(0);
}
fsizep(f)
char *f;
{
struct stat statb;
if (stat(f, &statb) < 0)
return(0);
return(statb.st_size > 0);
}