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      1 /*
      2  * Copyright (c) International Business Machines  Corp., 2001
      3  *
      4  * This program is free software;  you can redistribute it and/or modify
      5  * it under the terms of the GNU General Public License as published by
      6  * the Free Software Foundation; either version 2 of the License, or
      7  * (at your option) any later version.
      8  *
      9  * This program is distributed in the hope that it will be useful,
     10  * but WITHOUT ANY WARRANTY;  without even the implied warranty of
     11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
     12  * the GNU General Public License for more details.
     13  *
     14  * You should have received a copy of the GNU General Public License
     15  * along with this program;  if not, write to the Free Software
     16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
     17  */
     18 
     19 /*
     20  * DESCRIPTION
     21  *	Testcase to check fstatfs() sets errno correctly.
     22  */
     23 
     24 #include <sys/vfs.h>
     25 #include <sys/types.h>
     26 #include <sys/statfs.h>
     27 #include <errno.h>
     28 #include "test.h"
     29 #include "safe_macros.h"
     30 
     31 static void setup(void);
     32 static void cleanup(void);
     33 
     34 char *TCID = "fstatfs02";
     35 
     36 static struct statfs buf;
     37 
     38 static struct test_case_t {
     39 	int fd;
     40 	struct statfs *sbuf;
     41 	int error;
     42 } TC[] = {
     43 	/* EBADF - fd is invalid */
     44 	{
     45 	-1, &buf, EBADF},
     46 #ifndef UCLINUX
     47 	    /* Skip since uClinux does not implement memory protection */
     48 	    /* EFAULT - address for buf is invalid */
     49 	{
     50 	-1, (void *)-1, EFAULT}
     51 #endif
     52 };
     53 
     54 int TST_TOTAL = ARRAY_SIZE(TC);
     55 
     56 int main(int ac, char **av)
     57 {
     58 	int lc;
     59 	int i;
     60 
     61 	tst_parse_opts(ac, av, NULL, NULL);
     62 
     63 	setup();
     64 
     65 	for (lc = 0; TEST_LOOPING(lc); lc++) {
     66 
     67 		tst_count = 0;
     68 
     69 		for (i = 0; i < TST_TOTAL; i++) {
     70 
     71 			TEST(fstatfs(TC[i].fd, TC[i].sbuf));
     72 
     73 			if (TEST_RETURN != -1) {
     74 				tst_resm(TFAIL, "call succeeded unexpectedly");
     75 				continue;
     76 			}
     77 
     78 			if (TEST_ERRNO == TC[i].error) {
     79 				tst_resm(TPASS, "expected failure - "
     80 					 "errno = %d : %s", TEST_ERRNO,
     81 					 strerror(TEST_ERRNO));
     82 			} else {
     83 				tst_resm(TFAIL, "unexpected error - %d : %s - "
     84 					 "expected %d", TEST_ERRNO,
     85 					 strerror(TEST_ERRNO), TC[i].error);
     86 			}
     87 		}
     88 	}
     89 	cleanup();
     90 
     91 	tst_exit();
     92 }
     93 
     94 static void setup(void)
     95 {
     96 	tst_sig(NOFORK, DEF_HANDLER, cleanup);
     97 
     98 	TEST_PAUSE;
     99 
    100 	tst_tmpdir();
    101 #ifndef UCLINUX
    102 	TC[1].fd = SAFE_OPEN(cleanup, "tempfile", O_RDWR | O_CREAT, 0700);
    103 #endif
    104 }
    105 
    106 static void cleanup(void)
    107 {
    108 #ifndef UCLINUX
    109 	if (TC[1].fd > 0 && close(TC[1].fd))
    110 		tst_resm(TWARN | TERRNO, "Failed to close fd");
    111 #endif
    112 
    113 	tst_rmdir();
    114 }
    115