robbiew | 3c65815 | 2003-01-07 21:50:34 +0000 | [diff] [blame] | 1 | /* |
| 2 | * |
| 3 | * Copyright (c) International Business Machines Corp., 2002 |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU General Public License as published by |
| 7 | * the Free Software Foundation; either version 2 of the License, or |
| 8 | * (at your option) any later version. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See |
| 13 | * the GNU General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License |
| 16 | * along with this program; if not, write to the Free Software |
| 17 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 18 | */ |
| 19 | |
| 20 | /* |
| 21 | * NAME |
| 22 | * pwrite04.c (ported from SPIE, section2/filesuite/pread_pwrite.c, |
| 23 | * by Airong Zhang) |
| 24 | * |
| 25 | * TEST SUMMARY |
| 26 | * Test the pwrite() system call with O_APPEND. |
| 27 | * |
| 28 | * USAGE |
subrata_modak | 4bb656a | 2009-02-26 12:02:09 +0000 | [diff] [blame] | 29 | * pwrite04 |
robbiew | 3c65815 | 2003-01-07 21:50:34 +0000 | [diff] [blame] | 30 | * |
| 31 | */ |
| 32 | |
| 33 | #define _XOPEN_SOURCE 500 |
| 34 | #include <stdio.h> |
| 35 | #include <sys/types.h> |
| 36 | #include <sys/stat.h> |
| 37 | #include <unistd.h> |
| 38 | #include <sys/fcntl.h> |
| 39 | #include <memory.h> |
| 40 | #include <errno.h> |
| 41 | #include "usctest.h" |
| 42 | #include "test.h" |
| 43 | |
| 44 | char *TCID = "pwrite04"; |
| 45 | int TST_TOTAL = 1; |
| 46 | extern int Tst_count; |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 47 | int local_flag; |
robbiew | 3c65815 | 2003-01-07 21:50:34 +0000 | [diff] [blame] | 48 | |
| 49 | #define PASSED 1 |
| 50 | #define FAILED 0 |
| 51 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 52 | int block_cnt = 0; |
robbiew | 3c65815 | 2003-01-07 21:50:34 +0000 | [diff] [blame] | 53 | |
| 54 | #define K1 1024 |
| 55 | #define K2 (K1 * 2) |
| 56 | #define K3 (K1 * 3) |
| 57 | #define K4 (K1 * 4) |
| 58 | #define K5 (K1 * 5) |
| 59 | #define NBUFS 4 |
| 60 | #define DATA_FILE "pwrite04_file" |
| 61 | |
| 62 | char name[256], fname[256]; |
| 63 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 64 | void init_buffers(char *[]); |
robbiew | 3c65815 | 2003-01-07 21:50:34 +0000 | [diff] [blame] | 65 | void l_seek(int, off_t, int, off_t); |
subrata_modak | 24fc213 | 2008-11-11 05:57:38 +0000 | [diff] [blame] | 66 | static void cleanup(void); |
robbiew | 3c65815 | 2003-01-07 21:50:34 +0000 | [diff] [blame] | 67 | |
subrata_modak | 4bb656a | 2009-02-26 12:02:09 +0000 | [diff] [blame] | 68 | int main(int ac, char *av[]) |
robbiew | 3c65815 | 2003-01-07 21:50:34 +0000 | [diff] [blame] | 69 | { |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 70 | int fd; |
| 71 | int nbytes; |
| 72 | char *wbuf[NBUFS]; |
| 73 | struct stat statbuf; |
| 74 | int lc; /* loop counter */ |
| 75 | char *msg; /* message returned from parse_opts */ |
robbiew | 3c65815 | 2003-01-07 21:50:34 +0000 | [diff] [blame] | 76 | |
| 77 | strcpy(name, DATA_FILE); |
| 78 | sprintf(fname, "%s.%d", name, getpid()); |
| 79 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 80 | /* |
| 81 | * parse standard options |
| 82 | */ |
Garrett Cooper | 45e285d | 2010-11-22 12:19:25 -0800 | [diff] [blame] | 83 | if ((msg = parse_opts(ac, av, NULL, NULL)) != NULL) { |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 84 | tst_resm(TBROK, "OPTION PARSING ERROR - %s", msg); |
Garrett Cooper | 2c28215 | 2010-12-16 00:55:50 -0800 | [diff] [blame^] | 85 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 86 | } |
robbiew | 3c65815 | 2003-01-07 21:50:34 +0000 | [diff] [blame] | 87 | tst_tmpdir(); |
| 88 | for (lc = 0; TEST_LOOPING(lc); lc++) { |
| 89 | |
| 90 | init_buffers(wbuf); |
| 91 | local_flag = PASSED; |
| 92 | |
| 93 | if ((fd = open(fname, O_RDWR | O_CREAT, 0666)) < 0) { |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 94 | tst_resm(TBROK, "open failed: fname = %s, errno = %d", |
| 95 | fname, errno); |
| 96 | cleanup(); |
| 97 | } |
| 98 | /* |
| 99 | * pwrite() K1 of data (0's) at offset 0. |
| 100 | */ |
| 101 | if ((nbytes = pwrite(fd, wbuf[0], K1, 0)) != K1) { |
| 102 | tst_resm(TFAIL, |
| 103 | "pwrite at 0 failed: nbytes=%d, errno=%d", |
| 104 | nbytes, errno); |
| 105 | cleanup(); |
| 106 | } |
robbiew | 3c65815 | 2003-01-07 21:50:34 +0000 | [diff] [blame] | 107 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 108 | /* |
| 109 | * We should still be at offset 0. |
| 110 | */ |
| 111 | l_seek(fd, 0, SEEK_CUR, 0); |
robbiew | 3c65815 | 2003-01-07 21:50:34 +0000 | [diff] [blame] | 112 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 113 | /* |
| 114 | * lseek() to a non K boundary, just to be different. |
| 115 | */ |
| 116 | l_seek(fd, K1 / 2, SEEK_SET, K1 / 2); |
robbiew | 3c65815 | 2003-01-07 21:50:34 +0000 | [diff] [blame] | 117 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 118 | /* |
| 119 | * pwrite() K1 of data (2's) at offset K2. |
| 120 | */ |
| 121 | if ((nbytes = pwrite(fd, wbuf[2], K1, K2)) != K1) { |
| 122 | tst_resm(TFAIL, |
| 123 | "pwrite at K2 failed: nbytes=%d, errno=%d", |
| 124 | nbytes, errno); |
| 125 | cleanup(); |
| 126 | } |
robbiew | 3c65815 | 2003-01-07 21:50:34 +0000 | [diff] [blame] | 127 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 128 | /* |
| 129 | * We should still be at our non K boundary. |
| 130 | */ |
| 131 | l_seek(fd, 0, SEEK_CUR, K1 / 2); |
robbiew | 3c65815 | 2003-01-07 21:50:34 +0000 | [diff] [blame] | 132 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 133 | /* |
| 134 | * lseek() to an offset of K3. |
| 135 | */ |
| 136 | l_seek(fd, K3, SEEK_SET, K3); |
robbiew | 3c65815 | 2003-01-07 21:50:34 +0000 | [diff] [blame] | 137 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 138 | /* |
| 139 | * This time use a normal write() of K1 of data (3's) which should |
| 140 | * take place at an offset of K3, moving the file pointer to K4. |
| 141 | */ |
| 142 | if ((nbytes = write(fd, wbuf[3], K1)) != K1) { |
| 143 | tst_resm(TFAIL, "write failed: nbytes=%d, errno=%d", |
| 144 | nbytes, errno); |
| 145 | cleanup(); |
| 146 | } |
robbiew | 3c65815 | 2003-01-07 21:50:34 +0000 | [diff] [blame] | 147 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 148 | /* |
| 149 | * We should be at offset K4. |
| 150 | */ |
| 151 | l_seek(fd, 0, SEEK_CUR, K4); |
robbiew | 3c65815 | 2003-01-07 21:50:34 +0000 | [diff] [blame] | 152 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 153 | /* |
| 154 | * pwrite() K1 of data (1's) at offset K1. |
| 155 | */ |
| 156 | if ((nbytes = pwrite(fd, wbuf[1], K1, K1)) != K1) { |
| 157 | tst_resm(TFAIL, "pwrite failed: nbytes=%d, errno=%d", |
| 158 | nbytes, errno); |
| 159 | cleanup(); |
| 160 | } |
robbiew | 3c65815 | 2003-01-07 21:50:34 +0000 | [diff] [blame] | 161 | |
| 162 | /*--------------------------------------------------------------*/ |
| 163 | |
| 164 | /* |
| 165 | * Now test that O_APPEND takes precedence over any |
| 166 | * offset specified by pwrite(), but that the file |
| 167 | * pointer remains unchanged. First, close then reopen |
| 168 | * the file and ensure it is already K4 in length and |
| 169 | * set the file pointer to it's midpoint, K2. |
| 170 | */ |
| 171 | close(fd); |
| 172 | if ((fd = open(fname, O_RDWR | O_APPEND, 0666)) < 0) { |
vapier | cff4af0 | 2006-02-11 04:46:30 +0000 | [diff] [blame] | 173 | tst_resm(TBROK, "open failed: fname = %s, errno = %d", |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 174 | fname, errno); |
subrata_modak | 814e03c | 2008-11-11 06:44:51 +0000 | [diff] [blame] | 175 | cleanup(); |
robbiew | 3c65815 | 2003-01-07 21:50:34 +0000 | [diff] [blame] | 176 | } |
| 177 | if (fstat(fd, &statbuf) == -1) { |
vapier | cff4af0 | 2006-02-11 04:46:30 +0000 | [diff] [blame] | 178 | tst_resm(TFAIL, "fstat failed: errno = %d", errno); |
subrata_modak | 814e03c | 2008-11-11 06:44:51 +0000 | [diff] [blame] | 179 | cleanup(); |
robbiew | 3c65815 | 2003-01-07 21:50:34 +0000 | [diff] [blame] | 180 | } |
| 181 | if (statbuf.st_size != K4) { |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 182 | tst_resm(TFAIL, "file size is %ld != K4", |
| 183 | statbuf.st_size); |
subrata_modak | 814e03c | 2008-11-11 06:44:51 +0000 | [diff] [blame] | 184 | cleanup(); |
robbiew | 3c65815 | 2003-01-07 21:50:34 +0000 | [diff] [blame] | 185 | } |
| 186 | l_seek(fd, K2, SEEK_SET, K2); |
| 187 | |
| 188 | /* |
| 189 | * Finally, pwrite() some K1 of data at offset 0. |
| 190 | * What we should end up with is: |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 191 | * -The file pointer should still be at K2. |
| 192 | * -The data should have been written to the end |
| 193 | * of the file (O_APPEND) and should be K5 in size. |
subrata_modak | bdbaec5 | 2009-02-26 12:14:51 +0000 | [diff] [blame] | 194 | */ |
robbiew | 3c65815 | 2003-01-07 21:50:34 +0000 | [diff] [blame] | 195 | if ((nbytes = pwrite(fd, wbuf[0], K1, 0)) != K1) { |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 196 | tst_resm(TFAIL, |
| 197 | "pwrite at 0 failed: nbytes=%d, errno=%d", |
| 198 | nbytes, errno); |
Garrett Cooper | 2c28215 | 2010-12-16 00:55:50 -0800 | [diff] [blame^] | 199 | |
robbiew | 3c65815 | 2003-01-07 21:50:34 +0000 | [diff] [blame] | 200 | } |
| 201 | l_seek(fd, 0, SEEK_CUR, K2); |
| 202 | if (fstat(fd, &statbuf) == -1) { |
vapier | cff4af0 | 2006-02-11 04:46:30 +0000 | [diff] [blame] | 203 | tst_resm(TFAIL, "fstat failed: errno = %d", errno); |
Garrett Cooper | 2c28215 | 2010-12-16 00:55:50 -0800 | [diff] [blame^] | 204 | |
robbiew | 3c65815 | 2003-01-07 21:50:34 +0000 | [diff] [blame] | 205 | } |
| 206 | if (statbuf.st_size != K5) { |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 207 | tst_resm(TFAIL, "file size is %ld != K4", |
| 208 | statbuf.st_size); |
Garrett Cooper | 2c28215 | 2010-12-16 00:55:50 -0800 | [diff] [blame^] | 209 | |
robbiew | 3c65815 | 2003-01-07 21:50:34 +0000 | [diff] [blame] | 210 | } |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 211 | tst_resm(TPASS, "O_APPEND test passed."); |
robbiew | 3c65815 | 2003-01-07 21:50:34 +0000 | [diff] [blame] | 212 | |
| 213 | /*------------------------------------------------------------------------*/ |
| 214 | |
| 215 | close(fd); |
| 216 | unlink(fname); |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 217 | } /* end for */ |
subrata_modak | 814e03c | 2008-11-11 06:44:51 +0000 | [diff] [blame] | 218 | cleanup(); |
Garrett Cooper | 2c28215 | 2010-12-16 00:55:50 -0800 | [diff] [blame^] | 219 | |
robbiew | 3c65815 | 2003-01-07 21:50:34 +0000 | [diff] [blame] | 220 | } |
| 221 | |
| 222 | /*------------------------------------------------------------------------*/ |
| 223 | |
| 224 | /* |
| 225 | * init_buffers() allocates wbuf[] array |
| 226 | * as follows: |
| 227 | * wbuf[0] has 0's, wbuf[1] has 1's, wbuf[2] has 2's, and wbuf[3] has 3's. |
| 228 | */ |
| 229 | void init_buffers(char *wbuf[]) |
| 230 | { |
subrata_modak | 4bb656a | 2009-02-26 12:02:09 +0000 | [diff] [blame] | 231 | int i; |
robbiew | 3c65815 | 2003-01-07 21:50:34 +0000 | [diff] [blame] | 232 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 233 | for (i = 0; i < NBUFS; i++) { |
robbiew | 3c65815 | 2003-01-07 21:50:34 +0000 | [diff] [blame] | 234 | wbuf[i] = (char *)malloc(K1); |
| 235 | if (wbuf[i] == NULL) { |
vapier | cff4af0 | 2006-02-11 04:46:30 +0000 | [diff] [blame] | 236 | tst_resm(TBROK, "ib: malloc failed: errno=%d", errno); |
robbiew | 3c65815 | 2003-01-07 21:50:34 +0000 | [diff] [blame] | 237 | tst_exit(); |
| 238 | } |
| 239 | memset(wbuf[i], i, K1); |
| 240 | } |
| 241 | } |
| 242 | |
| 243 | /* |
| 244 | * l_seek() is a local front end to lseek(). |
| 245 | * "checkoff" is the offset at which we believe we should be at. |
| 246 | * Used to validate pwrite doesn't move the offset. |
| 247 | */ |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 248 | void l_seek(int fdesc, off_t offset, int whence, off_t checkoff) |
robbiew | 3c65815 | 2003-01-07 21:50:34 +0000 | [diff] [blame] | 249 | { |
| 250 | off_t offloc; |
| 251 | |
| 252 | if ((offloc = lseek(fdesc, offset, whence)) != checkoff) { |
vapier | cff4af0 | 2006-02-11 04:46:30 +0000 | [diff] [blame] | 253 | tst_resm(TFAIL, "(%ld = lseek(%d, %ld, %d)) != %ld) errno = %d", |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 254 | offloc, fdesc, offset, whence, checkoff, errno); |
robbiew | 3c65815 | 2003-01-07 21:50:34 +0000 | [diff] [blame] | 255 | tst_exit(); |
| 256 | } |
| 257 | } |
| 258 | |
subrata_modak | 814e03c | 2008-11-11 06:44:51 +0000 | [diff] [blame] | 259 | /* |
| 260 | * cleanup() - Performs all ONE TIME cleanup for this test at |
| 261 | * completion or premature exit. |
| 262 | * |
| 263 | * Print test timing stats and errno log if test executed with options. |
| 264 | * Close the testfile if still opened. |
| 265 | * Remove temporary directory and sub-directories/files under it |
| 266 | * created during setup(). |
| 267 | * Exit the test program with normal exit code. |
| 268 | */ |
| 269 | void cleanup() |
| 270 | { |
| 271 | /* |
| 272 | * print timing stats if that option was specified. |
| 273 | * print errno log if that option was specified. |
| 274 | */ |
| 275 | TEST_CLEANUP; |
| 276 | |
subrata_modak | 814e03c | 2008-11-11 06:44:51 +0000 | [diff] [blame] | 277 | tst_rmdir(); |
| 278 | |
Garrett Cooper | 2c28215 | 2010-12-16 00:55:50 -0800 | [diff] [blame^] | 279 | } |