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      1 /*
      2  * Copyright (c) 2000 Silicon Graphics, Inc.  All Rights Reserved.
      3  * Copyright (c) 2011 Cyril Hrubis <chrubis (at) suse.cz>
      4  *
      5  * This program is free software; you can redistribute it and/or modify it
      6  * under the terms of version 2 of the GNU General Public License as
      7  * published by the Free Software Foundation.
      8  *
      9  * This program is distributed in the hope that it would be useful, but
     10  * WITHOUT ANY WARRANTY; without even the implied warranty of
     11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
     12  *
     13  * Further, this software is distributed without any warranty that it is
     14  * free of the rightful claim of any third person regarding infringement
     15  * or the like.  Any license provided herein, whether implied or
     16  * otherwise, applies only to this software file.  Patent licenses, if
     17  * any, provided herein do not apply to combinations of this program with
     18  * other software, or any other product whatsoever.
     19  *
     20  * You should have received a copy of the GNU General Public License along
     21  * with this program; if not, write the Free Software Foundation, Inc.,
     22  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
     23  *
     24  * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
     25  * Mountain View, CA  94043, or:
     26  *
     27  * http://www.sgi.com
     28  *
     29  * For further information regarding this notice, see:
     30  *
     31  * http://oss.sgi.com/projects/GenInfo/NoticeExplan/
     32  *
     33  */
     34 
     35 #include <sys/types.h>
     36 #include <fcntl.h>
     37 #include <errno.h>
     38 #include <string.h>
     39 #include <signal.h>
     40 #include <unistd.h>
     41 #include "test.h"
     42 
     43 static void setup(void);
     44 static void cleanup(void);
     45 
     46 static char fname[255];
     47 static int fd;
     48 static int whences[] = { 5, -1, 7 };
     49 
     50 char *TCID = "lseek03";
     51 int TST_TOTAL = ARRAY_SIZE(whences);
     52 
     53 int main(int ac, char **av)
     54 {
     55 	int lc;
     56 
     57 	tst_parse_opts(ac, av, NULL, NULL);
     58 
     59 	setup();
     60 
     61 	for (lc = 0; TEST_LOOPING(lc); lc++) {
     62 		int i;
     63 
     64 		tst_count = 0;
     65 
     66 		for (i = 0; i < TST_TOTAL; i++) {
     67 
     68 			/* Call lseek(2) */
     69 			TEST(lseek(fd, (off_t) 1, whences[i]));
     70 
     71 			if (TEST_RETURN == -1) {
     72 				if (TEST_ERRNO == EINVAL) {
     73 					tst_resm(TPASS,
     74 						 "lseek(%s, 1, %d) Failed, errno=%d : %s",
     75 						 fname, whences[i],
     76 						 TEST_ERRNO,
     77 						 strerror(TEST_ERRNO));
     78 				} else {
     79 					tst_resm(TFAIL,
     80 						 "lseek(%s, 1, %d) Failed, errno=%d %s, expected %d(EINVAL)",
     81 						 fname, whences[i],
     82 						 TEST_ERRNO,
     83 						 strerror(TEST_ERRNO),
     84 						 EINVAL);
     85 				}
     86 			} else {
     87 				tst_resm(TFAIL, "lseek(%s, 1, %d) returned %ld",
     88 					 fname, whences[i], TEST_RETURN);
     89 			}
     90 		}
     91 
     92 	}
     93 
     94 	cleanup();
     95 	tst_exit();
     96 }
     97 
     98 void setup(void)
     99 {
    100 	tst_sig(NOFORK, DEF_HANDLER, cleanup);
    101 
    102 	TEST_PAUSE;
    103 
    104 	tst_tmpdir();
    105 
    106 	sprintf(fname, "tfile_%d", getpid());
    107 
    108 	if ((fd = open(fname, O_RDWR | O_CREAT, 0700)) == -1) {
    109 		tst_brkm(TBROK, cleanup,
    110 			 "open(%s, O_RDWR|O_CREAT,0700) Failed, errno=%d : %s",
    111 			 fname, errno, strerror(errno));
    112 	}
    113 }
    114 
    115 void cleanup(void)
    116 {
    117 	if (close(fd) == -1) {
    118 		tst_resm(TWARN, "close(%s) Failed, errno=%d : %s", fname, errno,
    119 			 strerror(errno));
    120 	}
    121 
    122 	tst_rmdir();
    123 }
    124