diff options
Diffstat (limited to 'winsup/testsuite/winsup.api/ltp/lseek10.c')
-rw-r--r-- | winsup/testsuite/winsup.api/ltp/lseek10.c | 347 |
1 files changed, 347 insertions, 0 deletions
diff --git a/winsup/testsuite/winsup.api/ltp/lseek10.c b/winsup/testsuite/winsup.api/ltp/lseek10.c new file mode 100644 index 000000000..060f3b290 --- /dev/null +++ b/winsup/testsuite/winsup.api/ltp/lseek10.c @@ -0,0 +1,347 @@ +/* + * + * Copyright (c) International Business Machines Corp., 2001 + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See + * the GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +/* + * Test Name: lseek05 + * + * Test Description: + * Verify that, + * 1. lseek() returns -1 and sets errno to ESPIPE, if the file handle of + * the specified file is associated with a pipe, socket, or FIFO. + * 2. lseek() returns -1 and sets errno to EINVAL, if the 'Whence' argument + * is not a proper value. + * 3. lseek() returns -1 and sets errno to EBADF, if the file handle of + * the specified file is not valid. + * + * Expected Result: + * lseek() should fail with return value -1 and set expected errno. + * + * Algorithm: + * Setup: + * Setup signal handling. + * Create temporary directory. + * Pause for SIGUSR1 if option specified. + * + * Test: + * Loop if the proper options are given. + * Execute system call + * Check return code, if system call failed (return=-1) + * if errno set == expected errno + * Issue sys call fails with expected return value and errno. + * Otherwise, + * Issue sys call fails with unexpected errno. + * Otherwise, + * Issue sys call returns unexpected value. + * + * Cleanup: + * Print errno log and/or timing stats if options given + * Delete the temporary directory(s)/file(s) created. + * + * Usage: <for command-line> + * lseek05 [-c n] [-e] [-i n] [-I x] [-p x] [-t] + * where, -c n : Run n copies concurrently. + * -e : Turn on errno logging. + * -i n : Execute test n times. + * -I x : Execute test for x seconds. + * -P x : Pause for x seconds between iterations. + * -t : Turn on syscall timing. + * + * HISTORY + * 07/2001 Ported by Wayne Boyer + * + * RESTRICTIONS: + * None. + */ + +#include <stdio.h> +#include <unistd.h> +#include <sys/types.h> +#include <errno.h> +#include <unistd.h> +#include <fcntl.h> +#include <utime.h> +#include <string.h> +#include <sys/stat.h> +#include <signal.h> + +#include "test.h" +#include "usctest.h" + +#define TEMP_FILE1 "tmp_file1" +#define TEMP_FILE2 "tmp_file2" +#define TEMP_FILE3 "tmp_file3" +#define FILE_MODE S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH +#define PIPE_MODE S_IFIFO | S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH +#define SEEK_TOP 10 + +char *TCID="lseek05"; /* Test program identifier. */ +int TST_TOTAL=3; /* Total number of test cases. */ +extern int Tst_count; /* Test Case counter for tst_* routines */ +int exp_enos[]={ESPIPE, EINVAL, EBADF, 0}; + +int no_setup(); +int setup1(); /* setup function to test lseek() for ESPIPE */ +int setup2(); /* setup function to test lseek() for EINVAL */ +int setup3(); /* setup function to test lseek() for EBADF */ + +int fd1; /* file handle for testfile1 */ +int fd2; /* file handle for testfile2 */ +int fd3; /* file handle for testfile3 */ + +struct test_case_t { /* test case struct. to hold ref. test cond's*/ + int fd; + int Whence; + char *desc; + int exp_errno; + int (*setupfunc)(); +} Test_cases[] = { + { 1, SEEK_SET, "'fd' associated with a pipe/fifo", ESPIPE, setup1 }, + { 2, SEEK_TOP, "'whence' argument is not valid", EINVAL, setup2 }, + { 3, SEEK_SET, "'fd' is not an open file descriptor", EBADF, setup3 }, + { 0, 0, NULL, 0, no_setup } +}; + +void setup(); /* Main setup function of test */ +void cleanup(); /* cleanup function for the test */ + +int +main(int ac, char **av) +{ + int lc; /* loop counter */ + const char *msg; /* message returned from parse_opts */ + int fildes; /* file handle for testfile */ + int whence; /* position of file handle in the file */ + char *test_desc; /* test specific error message */ + int ind; /* counter to test different test conditions */ + + /* Parse standard options given to run the test. */ + msg = parse_opts(ac, av, (option_t *) NULL, NULL); + if (msg != (char *) NULL) { + tst_brkm(TBROK, NULL, "OPTION PARSING ERROR - %s", msg); + tst_exit(); + } + + /* Perform global setup for test */ + setup(); + + /* set the expected errnos... */ + TEST_EXP_ENOS(exp_enos); + + /* Check looping state if -i option given */ + for (lc = 0; TEST_LOOPING(lc); lc++) { + /* Reset Tst_count in case we are looping. */ + Tst_count=0; + + for (ind = 0; Test_cases[ind].desc != NULL; ind++) { + fildes = Test_cases[ind].fd; + test_desc = Test_cases[ind].desc; + whence = Test_cases[ind].Whence; + + /* Assign the 'fd' values appropriatly */ + if (fildes == 1) { + fildes = fd1; + } else if (fildes == 2) { + fildes = fd2; + } else { + fildes = fd3; + } + /* + * Invoke lseek(2) to test different test conditions. + * Verify that it fails with -1 return value and + * sets appropriate errno. + */ + TEST(lseek(fildes, 0, whence)); + + /* check return code of lseek(2) */ + if (TEST_RETURN != (off_t)-1) { + tst_resm(TFAIL, "lseek() returned %d, expected " + "-1, errno:%d", TEST_RETURN, + Test_cases[ind].exp_errno); + continue; + } + TEST_ERROR_LOG(TEST_ERRNO); + if (TEST_ERRNO == Test_cases[ind].exp_errno) { + tst_resm(TPASS, "lseek() fails, %s, errno:%d", + test_desc, TEST_ERRNO); + } else { + tst_resm(TFAIL, "lseek() fails, %s, errno:%d, " + "expected errno:%d", test_desc, + TEST_ERRNO, Test_cases[ind].exp_errno); + } + } + } + + /* Call cleanup() to undo setup done for the test. */ + cleanup(); + + /*NOTREACHED*/ +} /* End main */ + +/* + * setup() - performs all ONE TIME setup for this test. + * Create a temporary directory and change directory to it. + * Invoke individual test setup functions according to the order + * set in test struct. definition. + */ +void +setup() +{ + int ind; /* counter for test setup function */ + + /* capture signals */ + tst_sig(NOFORK, DEF_HANDLER, cleanup); + + /* Pause if that option was specified */ + TEST_PAUSE; + + /* make a temp directory and cd to it */ + tst_tmpdir(); + + /* call individual setup functions */ + for (ind = 0; Test_cases[ind].desc != NULL; ind++) { + Test_cases[ind].setupfunc(); + } +} + +/* + * no_setup() - This is a dummy function which simply returns 0. + */ +int +no_setup() +{ + return 0; +} + +/* + * setup1() - setup function for a test condition for which lseek(2) + * returns -1 and sets errno to ESPIPE. + * Creat a named pipe/fifo using mknod() and open it for + * reading/writing. + * This function returns 0 on success. + */ +int +setup1() +{ + /* Creat a named pipe/fifo using mknod() */ + if (mknod(TEMP_FILE1, PIPE_MODE, 0) < 0) { + tst_brkm(TBROK, cleanup, + "mknod(%s, %#o, 0) Failed, errno=%d :%s", + TEMP_FILE1, FILE_MODE, errno, strerror(errno)); + } + + /* Open the named pipe/fifo for reading/writing */ + if ((fd1 = open(TEMP_FILE1, O_RDWR)) < 0) { + tst_brkm(TBROK, cleanup, + "open(%s, O_RDWR) Failed, errno=%d, :%s", + TEMP_FILE1, errno, strerror(errno)); + } + + return 0; +} + +/* + * setup2() - setup function for a test condition for which lseek(2) + * returns -1 and sets errno to EINVAL. + * Creat a temporary file for reading/writing and write some data + * into it. + * This function returns 0 on success. + */ +int +setup2() +{ + char write_buff[BUFSIZ]; /* buffer to hold data */ + + /* Get the data to be written to temporary file */ + strcpy(write_buff, "abcdefg"); + + /* Creat/open a temporary file under above directory */ + if ((fd2 = open(TEMP_FILE2, O_RDWR | O_CREAT, FILE_MODE)) == -1) { + tst_brkm(TBROK, cleanup, + "open(%s, O_RDWR|O_CREAT, %#o) Failed, errno=%d :%s", + TEMP_FILE2, FILE_MODE, errno, strerror(errno)); + } + + /* Write data into temporary file */ + if(write(fd2, write_buff, sizeof(write_buff)) <= 0) { + tst_brkm(TBROK, cleanup, + "write(2) on %s Failed, errno=%d : %s", + TEMP_FILE2, errno, strerror(errno)); + } + + return 0; +} + +/* + * setup3() - setup function for a test condition for which lseek(2) + * returns -1 and sets errno to EBADF. + * Creat a temporary file for reading/writing and close it. + * This function returns 0 on success. + */ +int +setup3() +{ + /* Creat/open a temporary file under above directory */ + if ((fd3 = open(TEMP_FILE3, O_RDWR | O_CREAT, FILE_MODE)) == -1) { + tst_brkm(TBROK, cleanup, + "open(%s, O_RDWR|O_CREAT, %#o) Failed, errno=%d :%s", + TEMP_FILE3, FILE_MODE, errno, strerror(errno)); + } + + /* Close the temporary file created above */ + if (close(fd3) < 0) { + tst_brkm(TBROK, cleanup, + "close(%s) Failed, errno=%d : %s:", + TEMP_FILE3, errno, strerror(errno)); + } + + return 0; +} + +/* + * cleanup() - performs all ONE TIME cleanup for this test at + * completion or premature exit. + * Remove the test directory and testfile(s) created in the setup. + */ +void +cleanup() +{ + /* + * print timing stats if that option was specified. + * print errno log if that option was specified. + */ + TEST_CLEANUP; + + /* Close the temporary file(s) created in setup1/setup2*/ + if (close(fd1) < 0) { + tst_brkm(TFAIL, NULL, + "close(%s) Failed, errno=%d : %s:", + TEMP_FILE1, errno, strerror(errno)); + } + if (close(fd2) < 0) { + tst_brkm(TFAIL, NULL, + "close(%s) Failed, errno=%d : %s:", + TEMP_FILE2, errno, strerror(errno)); + } + + /* Remove tmp dir and all files in it */ + tst_rmdir(); + + /* exit with return code appropriate for results */ + tst_exit(); +} |