diff options
Diffstat (limited to 'winsup/testsuite/winsup.api/ltp/truncate02.c')
| -rw-r--r-- | winsup/testsuite/winsup.api/ltp/truncate02.c | 335 |
1 files changed, 0 insertions, 335 deletions
diff --git a/winsup/testsuite/winsup.api/ltp/truncate02.c b/winsup/testsuite/winsup.api/ltp/truncate02.c deleted file mode 100644 index 4ba802949..000000000 --- a/winsup/testsuite/winsup.api/ltp/truncate02.c +++ /dev/null @@ -1,335 +0,0 @@ -/* - * - * 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: truncate02 - * - * Test Description: - * Verify that, truncate(2) succeeds to truncate a file to a certain length, - * but the attempt to read past the truncated length will fail. - * - * Expected Result: - * truncate(2) should return a value 0 and the attempt to read past the - * truncated length will fail. In case where the file before truncation was - * shorter, the bytes between the old and new should be all zeroes. - * - * 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) - * Log the errno and Issue a FAIL message. - * Otherwise, - * Verify the Functionality of system call - * if successful, - * Issue Functionality-Pass message. - * Otherwise, - * Issue Functionality-Fail message. - * Cleanup: - * Print errno log and/or timing stats if options given - * Delete the temporary directory created. - * - * Usage: <for command-line> - * truncate02 [-c n] [-e] [-f] [-i n] [-I x] [-p x] [-t] - * where, -c n : Run n copies concurrently. - * -e : Turn on errno logging. - * -f : Turn off functionality Testing. - * -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 John George - * -Ported - * - * Restrictions: - * This test should be run by 'non-super-user' only. - * - */ - -#include <sys/types.h> -#include <sys/stat.h> -#include <sys/fcntl.h> -#include <errno.h> -#include <string.h> -#include <signal.h> - -#include "test.h" -#include "usctest.h" - -#define TESTFILE "testfile" /* file under test */ -#define FILE_MODE S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH -#define BUF_SIZE 256 /* buffer size */ -#define FILE_SIZE 1024 /* test file size */ -#define TRUNC_LEN1 256 /* truncation length */ -#define TRUNC_LEN2 512 /* truncation length */ - -const char *TCID="truncate02"; /* Test program identifier. */ -int TST_TOTAL=1; /* Total number of test conditions */ -extern int Tst_count; /* Test Case counter for tst_* routines */ -int fd; /* file descriptor of testfile */ -char tst_buff[BUF_SIZE]; /* buffer to hold testfile contents */ -int exp_enos[]={0}; - -void setup(); /* setup function for the test */ -void cleanup(void) __attribute__((noreturn)); /* cleanup function for the test */ - -int -main(int ac, char **av) -{ - struct stat stat_buf; /* stat(2) struct contents */ - int lc, i; /* loop counter */ - const char *msg; /* message returned from parse_opts */ - off_t file_length2; /* test file length */ - off_t file_length1; /* test file length */ - int rbytes; /* bytes read from testfile */ - int read_len = 0; /* total no. of bytes read from testfile */ - int err_flag = 0; /* error indicator flag */ - - /* 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; - - /* - * Call truncate(2) to truncate a test file to a - * specified length (TRUNC_LEN1). - */ - TEST(truncate(TESTFILE, TRUNC_LEN1)); - - /* check return code of truncate(2) */ - if (TEST_RETURN == -1) { - TEST_ERROR_LOG(TEST_ERRNO); - tst_resm(TFAIL, \ - "truncate(%s, %d) Failed, errno=%d : %s", - TESTFILE, TRUNC_LEN1, TEST_ERRNO, - strerror(TEST_ERRNO)); - } else { - /* - * Perform functional verification if test - * executed without (-f) option. - */ - if (STD_FUNCTIONAL_TEST) { - /* - * Get the testfile information using - * stat(2). - */ - if (stat(TESTFILE, &stat_buf) < 0) { - tst_brkm(TFAIL, cleanup, "stat(2) of " - "%s failed after 1st truncate, " - "error:%d", TESTFILE, errno); - /*NOTREACHED*/ - } - file_length1 = stat_buf.st_size; - - /* - * Set the file pointer of testfile to the - * beginning of the file. - */ - if (lseek(fd, 0, SEEK_SET) < 0) { - tst_brkm(TFAIL, cleanup, "lseek(2) on " - "%s failed after 1st truncate, " - "error:%d", TESTFILE, errno); - /*NOTREACHED*/ - } - - /* Read the testfile from the beginning. */ - while ((rbytes = read(fd, tst_buff, \ - sizeof(tst_buff))) > 0) { - read_len += rbytes; - } - - /* - * Execute truncate(2) again to truncate - * testfile to a size TRUNC_LEN2. - */ - TEST(truncate(TESTFILE, TRUNC_LEN2)); - - /* check return code of truncate(2) */ - if (TEST_RETURN == -1) { - TEST_ERROR_LOG(TEST_ERRNO); - tst_resm(TFAIL, "truncate of %s to " - "size %d Failed, errno=%d : %s", - TESTFILE, TRUNC_LEN2, - TEST_ERRNO, - strerror(TEST_ERRNO)); - } - - /* - * Get the testfile information using - * stat(2) - */ - if (stat(TESTFILE, &stat_buf) < 0) { - tst_brkm(TFAIL, cleanup, "stat(2) of " - "%s failed after 2nd truncate, " - "error:%d", TESTFILE, errno); - /*NOTREACHED*/ - } - file_length2 = stat_buf.st_size; - - /* - * Set the file pointer of testfile to the - * offset TRUNC_LEN1 of testfile. - */ - if (lseek(fd, TRUNC_LEN1, SEEK_SET) < 0) { - tst_brkm(TFAIL, cleanup, "lseek(2) on " - "%s failed after 2nd truncate, " - "error:%d", TESTFILE, errno); - /*NOTREACHED*/ - } - - /* Read the testfile contents till EOF */ - while((rbytes = read(fd, tst_buff, \ - sizeof(tst_buff))) > 0) { - for (i = 0; i < rbytes; i++) { - if (tst_buff[i] != 0) { - err_flag++; - } - } - } - - /* - * Check for expected size of testfile after - * issuing truncate(2) on it. - */ - if ((file_length1 != TRUNC_LEN1) || \ - (file_length2 != TRUNC_LEN2) || \ - (read_len != TRUNC_LEN1) || \ - (err_flag != 0)) { - tst_resm(TFAIL, "Functionality of " - "truncate(2) on %s Failed", - TESTFILE); - } else { - tst_resm(TPASS, \ - "Functionality of truncate(2) " - "on %s successful", TESTFILE); - } - } else { - tst_resm(TPASS, "%s call succeeded", TCID); - } - } - Tst_count++; /* incr. TEST_LOOP counter */ - } /* End for TEST_LOOPING */ - - /* Call cleanup() to undo setup done for the test. */ - cleanup(); - /*NOTREACHED*/ - -} /* End main */ - -/* - * void - * setup() - performs all ONE TIME setup for this test. - * Create a temporary directory and change directory to it. - * Create a test file under temporary directory and write some - * data into it. - */ -void -setup() -{ - int i; /* counter variable */ - int wbytes; /* bytes written to testfile */ - int write_len = 0; /* total no. of bytes written to testfile */ - - /* capture signals */ - tst_sig(FORK, DEF_HANDLER, cleanup); - - /* Pause if that option was specified - * TEST_PAUSE contains the code to fork the test with the -i option. - * You want to make sure you do this before you create your temporary - * directory. - */ - TEST_PAUSE; - - /* make a temp directory and cd to it */ - tst_tmpdir(); - - - /* Fill the test buffer with the known data */ - for (i = 0; i < BUF_SIZE; i++) { - tst_buff[i] = 'a'; - } - - /* Creat a testfile and write some data into it */ - if ((fd = open(TESTFILE, O_RDWR|O_CREAT, FILE_MODE)) == -1) { - tst_brkm(TBROK, cleanup, - "open(%s, O_RDWR|O_CREAT, %o) Failed, errno=%d : %s", - TESTFILE, FILE_MODE, errno, strerror(errno)); - /*NOTREACHED*/ - } - - /* Write to the file 1k data from the buffer */ - while (write_len < FILE_SIZE) { - if ((wbytes = write(fd, tst_buff, sizeof(tst_buff))) <= 0) { - tst_brkm(TBROK, cleanup, - "write(2) on %s Failed, errno=%d : %s", - TESTFILE, errno, strerror(errno)); - } else { - write_len += wbytes; - } - } -} /* End setup() */ - -/* - * void - * cleanup() - performs all ONE TIME cleanup for this test at - * completion or premature exit. - * Close the temporary file opened for reading/writing. - * Remove the test directory and testfile created in the setup. - */ -void -cleanup() -{ - /* - * print timing stats if that option was specified. - */ - TEST_CLEANUP; - - /* Close the testfile after writing data into it */ - if (close(fd) == -1) { - tst_brkm(TFAIL, NULL, - "close(%s) Failed, errno=%d : %s", - TESTFILE, errno, strerror(errno)); - } - - /* Remove tmp dir and all files in it */ - tst_rmdir(); - - /* exit with return code appropriate for results */ - tst_exit(); -} /* End cleanup() */ |