robbiew | c844563 | 2003-01-06 21:35:55 +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 |
Wanlong Gao | 4548c6c | 2012-10-19 18:03:36 +0800 | [diff] [blame] | 17 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
robbiew | c844563 | 2003-01-06 21:35:55 +0000 | [diff] [blame] | 18 | */ |
| 19 | |
| 20 | /* ported from SPIE, section2/filesuite/stream.c, by Airong Zhang */ |
| 21 | |
| 22 | /*====================================================================== |
| 23 | =================== TESTPLAN SEGMENT =================== |
| 24 | >KEYS: < ferror() feof() clearerr() fileno() |
| 25 | >WHAT: < 1) check that ferror returns zero |
| 26 | < 2) check fileno returns valid file descriptor |
| 27 | < 3) check that feof returns zero (nonzero) appropriately |
| 28 | < 4) check that clearerr resets EOF indicator. |
| 29 | >HOW: < 1) open a stream and immediately execute ferror |
| 30 | < 2) use the file des returned from fileno to read a file |
| 31 | < written with stream - compare actual vs expected. |
| 32 | < 3) open stream and ensure feof returns zero, read to end of |
| 33 | < file and ensure feof returns non-zero. |
| 34 | < 4) after 3) above use clearerr and then use feof to ensure |
| 35 | < clearerr worked |
subrata_modak | 4bb656a | 2009-02-26 12:02:09 +0000 | [diff] [blame] | 36 | >BUGS: < |
robbiew | c844563 | 2003-01-06 21:35:55 +0000 | [diff] [blame] | 37 | ======================================================================*/ |
| 38 | |
| 39 | #include <unistd.h> |
| 40 | #include <stdio.h> |
robbiew | a70576c | 2003-03-04 18:33:41 +0000 | [diff] [blame] | 41 | #include <errno.h> |
robbiew | c844563 | 2003-01-06 21:35:55 +0000 | [diff] [blame] | 42 | #include "test.h" |
robbiew | c844563 | 2003-01-06 21:35:55 +0000 | [diff] [blame] | 43 | |
| 44 | char *TCID = "stream05"; |
| 45 | int TST_TOTAL = 1; |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 46 | int local_flag; |
robbiew | c844563 | 2003-01-06 21:35:55 +0000 | [diff] [blame] | 47 | |
| 48 | #define PASSED 1 |
| 49 | #define FAILED 0 |
| 50 | |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 51 | char progname[] = "stream05()"; |
| 52 | char tempfile[40] = ""; |
robbiew | c844563 | 2003-01-06 21:35:55 +0000 | [diff] [blame] | 53 | |
| 54 | /*--------------------------------------------------------------------*/ |
| 55 | int main(int ac, char *av[]) |
| 56 | { |
| 57 | FILE *stream; |
| 58 | char buf[10]; |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 59 | int nr, fd; |
robbiew | c844563 | 2003-01-06 21:35:55 +0000 | [diff] [blame] | 60 | |
Cyril Hrubis | 89af32a | 2012-10-24 16:39:11 +0200 | [diff] [blame] | 61 | int lc; |
Cyril Hrubis | 0b9589f | 2014-05-27 17:40:33 +0200 | [diff] [blame] | 62 | const char *msg; |
robbiew | c844563 | 2003-01-06 21:35:55 +0000 | [diff] [blame] | 63 | |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 64 | /* |
| 65 | * parse standard options |
| 66 | */ |
| 67 | if ((msg = parse_opts(ac, av, NULL, NULL)) != NULL) |
| 68 | tst_brkm(TBROK, NULL, "OPTION PARSING ERROR - %s", msg); |
robbiew | c844563 | 2003-01-06 21:35:55 +0000 | [diff] [blame] | 69 | tst_tmpdir(); |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 70 | local_flag = PASSED; |
robbiew | c844563 | 2003-01-06 21:35:55 +0000 | [diff] [blame] | 71 | |
| 72 | for (lc = 0; TEST_LOOPING(lc); lc++) { |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 73 | local_flag = PASSED; |
robbiew | c844563 | 2003-01-06 21:35:55 +0000 | [diff] [blame] | 74 | |
| 75 | sprintf(tempfile, "stream05.%d", getpid()); |
| 76 | /*--------------------------------------------------------------------*/ |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 77 | //block0: |
| 78 | if ((stream = fopen(tempfile, "a+")) == NULL) { |
Cyril Hrubis | 526fdf8 | 2014-12-04 14:35:01 +0100 | [diff] [blame] | 79 | tst_brkm(TFAIL, NULL, "fopen(%s) a+ failed: %s", |
| 80 | tempfile, |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 81 | strerror(errno)); |
robbiew | c844563 | 2003-01-06 21:35:55 +0000 | [diff] [blame] | 82 | } |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 83 | fprintf(stream, "a"); |
robbiew | c844563 | 2003-01-06 21:35:55 +0000 | [diff] [blame] | 84 | fclose(stream); |
| 85 | |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 86 | if ((stream = fopen(tempfile, "r+")) == NULL) { |
Cyril Hrubis | 526fdf8 | 2014-12-04 14:35:01 +0100 | [diff] [blame] | 87 | tst_brkm(TFAIL, NULL, "fopen(%s) r+ failed: %s", |
| 88 | tempfile, |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 89 | strerror(errno)); |
robbiew | c844563 | 2003-01-06 21:35:55 +0000 | [diff] [blame] | 90 | } |
| 91 | |
| 92 | /* check that ferror returns zero */ |
Garrett Cooper | df3eb16 | 2010-11-28 22:44:32 -0800 | [diff] [blame] | 93 | if (ferror(stream) != 0) { |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 94 | tst_resm(TFAIL, "ferror did not return zero: %s", |
| 95 | strerror(errno)); |
robbiew | c844563 | 2003-01-06 21:35:55 +0000 | [diff] [blame] | 96 | local_flag = FAILED; |
| 97 | } |
| 98 | |
| 99 | if (local_flag == PASSED) { |
vapier | fab8d74 | 2006-02-15 05:47:07 +0000 | [diff] [blame] | 100 | tst_resm(TPASS, "Test passed in block0."); |
robbiew | c844563 | 2003-01-06 21:35:55 +0000 | [diff] [blame] | 101 | } else { |
vapier | fab8d74 | 2006-02-15 05:47:07 +0000 | [diff] [blame] | 102 | tst_resm(TFAIL, "Test failed in block0."); |
robbiew | c844563 | 2003-01-06 21:35:55 +0000 | [diff] [blame] | 103 | } |
| 104 | |
| 105 | local_flag = PASSED; |
| 106 | |
| 107 | /*--------------------------------------------------------------------*/ |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 108 | //block1: |
robbiew | c844563 | 2003-01-06 21:35:55 +0000 | [diff] [blame] | 109 | |
| 110 | /* check that fileno returns valid file descriptor */ |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 111 | fd = fileno(stream); |
| 112 | if ((nr = read(fd, buf, 1)) < 0) { |
Cyril Hrubis | 526fdf8 | 2014-12-04 14:35:01 +0100 | [diff] [blame] | 113 | tst_brkm(TFAIL, NULL, "read failed: %s", |
| 114 | strerror(errno)); |
robbiew | c844563 | 2003-01-06 21:35:55 +0000 | [diff] [blame] | 115 | } |
Garrett Cooper | df3eb16 | 2010-11-28 22:44:32 -0800 | [diff] [blame] | 116 | if (nr != 1) { |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 117 | tst_resm(TFAIL, "read did not read right number"); |
robbiew | c844563 | 2003-01-06 21:35:55 +0000 | [diff] [blame] | 118 | local_flag = FAILED; |
| 119 | } |
Garrett Cooper | df3eb16 | 2010-11-28 22:44:32 -0800 | [diff] [blame] | 120 | if (buf[0] != 'a') { |
vapier | fab8d74 | 2006-02-15 05:47:07 +0000 | [diff] [blame] | 121 | tst_resm(TFAIL, "read returned bad values"); |
robbiew | c844563 | 2003-01-06 21:35:55 +0000 | [diff] [blame] | 122 | local_flag = FAILED; |
| 123 | } |
| 124 | if (local_flag == PASSED) { |
vapier | fab8d74 | 2006-02-15 05:47:07 +0000 | [diff] [blame] | 125 | tst_resm(TPASS, "Test passed in block1."); |
robbiew | c844563 | 2003-01-06 21:35:55 +0000 | [diff] [blame] | 126 | } else { |
vapier | fab8d74 | 2006-02-15 05:47:07 +0000 | [diff] [blame] | 127 | tst_resm(TFAIL, "Test failed in block1."); |
robbiew | c844563 | 2003-01-06 21:35:55 +0000 | [diff] [blame] | 128 | } |
| 129 | |
| 130 | local_flag = PASSED; |
| 131 | /*--------------------------------------------------------------------*/ |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 132 | //block2: |
robbiew | c844563 | 2003-01-06 21:35:55 +0000 | [diff] [blame] | 133 | |
| 134 | /* read to EOF and ensure feof returns non-zero */ |
| 135 | fclose(stream); |
| 136 | |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 137 | if ((stream = fopen(tempfile, "r+")) == NULL) { |
Cyril Hrubis | 526fdf8 | 2014-12-04 14:35:01 +0100 | [diff] [blame] | 138 | tst_brkm(TFAIL, NULL, "fopen(%s) r+ failed: %s", |
| 139 | tempfile, |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 140 | strerror(errno)); |
robbiew | c844563 | 2003-01-06 21:35:55 +0000 | [diff] [blame] | 141 | } |
Garrett Cooper | df3eb16 | 2010-11-28 22:44:32 -0800 | [diff] [blame] | 142 | if (feof(stream) != 0) { |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 143 | tst_resm(TFAIL, |
| 144 | "feof returned non-zero when it should not: %s", |
| 145 | strerror(errno)); |
robbiew | c844563 | 2003-01-06 21:35:55 +0000 | [diff] [blame] | 146 | local_flag = FAILED; |
| 147 | } |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 148 | fread(buf, 1, 2, stream); /* read to EOF */ |
Garrett Cooper | df3eb16 | 2010-11-28 22:44:32 -0800 | [diff] [blame] | 149 | if (feof(stream) == 0) { |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 150 | tst_resm(TFAIL, |
| 151 | "feof returned zero when it should not: %s", |
| 152 | strerror(errno)); |
robbiew | c844563 | 2003-01-06 21:35:55 +0000 | [diff] [blame] | 153 | local_flag = FAILED; |
| 154 | } |
| 155 | |
| 156 | if (local_flag == PASSED) { |
vapier | fab8d74 | 2006-02-15 05:47:07 +0000 | [diff] [blame] | 157 | tst_resm(TPASS, "Test passed in block2."); |
robbiew | c844563 | 2003-01-06 21:35:55 +0000 | [diff] [blame] | 158 | } else { |
vapier | fab8d74 | 2006-02-15 05:47:07 +0000 | [diff] [blame] | 159 | tst_resm(TFAIL, "Test failed in block2."); |
robbiew | c844563 | 2003-01-06 21:35:55 +0000 | [diff] [blame] | 160 | } |
| 161 | |
| 162 | local_flag = PASSED; |
| 163 | /*--------------------------------------------------------------------*/ |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 164 | //block3: |
robbiew | c844563 | 2003-01-06 21:35:55 +0000 | [diff] [blame] | 165 | /* ensure clearerr works */ |
| 166 | clearerr(stream); |
Garrett Cooper | df3eb16 | 2010-11-28 22:44:32 -0800 | [diff] [blame] | 167 | if (feof(stream) != 0) { |
vapier | fab8d74 | 2006-02-15 05:47:07 +0000 | [diff] [blame] | 168 | tst_resm(TFAIL, "clearerr failed: %s", strerror(errno)); |
robbiew | c844563 | 2003-01-06 21:35:55 +0000 | [diff] [blame] | 169 | local_flag = FAILED; |
| 170 | } |
| 171 | if (local_flag == PASSED) { |
vapier | fab8d74 | 2006-02-15 05:47:07 +0000 | [diff] [blame] | 172 | tst_resm(TPASS, "Test passed in block3."); |
robbiew | c844563 | 2003-01-06 21:35:55 +0000 | [diff] [blame] | 173 | } else { |
vapier | fab8d74 | 2006-02-15 05:47:07 +0000 | [diff] [blame] | 174 | tst_resm(TFAIL, "Test failed in block3."); |
robbiew | c844563 | 2003-01-06 21:35:55 +0000 | [diff] [blame] | 175 | } |
| 176 | |
| 177 | local_flag = PASSED; |
| 178 | /*--------------------------------------------------------------------*/ |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 179 | //block4: |
robbiew | c844563 | 2003-01-06 21:35:55 +0000 | [diff] [blame] | 180 | |
| 181 | /* test fopen "b" flags -- should be allowed but ignored */ |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 182 | (void)fclose(stream); |
robbiew | c844563 | 2003-01-06 21:35:55 +0000 | [diff] [blame] | 183 | |
| 184 | if ((stream = fopen(tempfile, "rb")) == NULL) { |
Cyril Hrubis | 526fdf8 | 2014-12-04 14:35:01 +0100 | [diff] [blame] | 185 | tst_brkm(TFAIL, NULL, "fopen(%s) rb failed: %s", |
| 186 | tempfile, |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 187 | strerror(errno)); |
robbiew | c844563 | 2003-01-06 21:35:55 +0000 | [diff] [blame] | 188 | } |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 189 | (void)fclose(stream); |
robbiew | c844563 | 2003-01-06 21:35:55 +0000 | [diff] [blame] | 190 | |
| 191 | if ((stream = fopen(tempfile, "wb")) == NULL) { |
Cyril Hrubis | 526fdf8 | 2014-12-04 14:35:01 +0100 | [diff] [blame] | 192 | tst_brkm(TFAIL, NULL, "fopen(%s) wb failed: %s", |
| 193 | tempfile, |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 194 | strerror(errno)); |
robbiew | c844563 | 2003-01-06 21:35:55 +0000 | [diff] [blame] | 195 | } |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 196 | (void)fclose(stream); |
robbiew | c844563 | 2003-01-06 21:35:55 +0000 | [diff] [blame] | 197 | |
| 198 | if ((stream = fopen(tempfile, "ab")) == NULL) { |
Cyril Hrubis | 526fdf8 | 2014-12-04 14:35:01 +0100 | [diff] [blame] | 199 | tst_brkm(TFAIL, NULL, "fopen(%s) ab failed: %s", |
| 200 | tempfile, |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 201 | strerror(errno)); |
robbiew | c844563 | 2003-01-06 21:35:55 +0000 | [diff] [blame] | 202 | } |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 203 | (void)fclose(stream); |
robbiew | c844563 | 2003-01-06 21:35:55 +0000 | [diff] [blame] | 204 | |
| 205 | if ((stream = fopen(tempfile, "rb+")) == NULL) { |
Cyril Hrubis | 526fdf8 | 2014-12-04 14:35:01 +0100 | [diff] [blame] | 206 | tst_brkm(TFAIL, NULL, "fopen(%s) rb+ failed: %s", |
| 207 | tempfile, |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 208 | strerror(errno)); |
robbiew | c844563 | 2003-01-06 21:35:55 +0000 | [diff] [blame] | 209 | } |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 210 | (void)fclose(stream); |
robbiew | c844563 | 2003-01-06 21:35:55 +0000 | [diff] [blame] | 211 | |
| 212 | if ((stream = fopen(tempfile, "wb+")) == NULL) { |
Cyril Hrubis | 526fdf8 | 2014-12-04 14:35:01 +0100 | [diff] [blame] | 213 | tst_brkm(TFAIL, NULL, "fopen(%s) wb+ failed: %s", |
| 214 | tempfile, |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 215 | strerror(errno)); |
robbiew | c844563 | 2003-01-06 21:35:55 +0000 | [diff] [blame] | 216 | } |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 217 | (void)fclose(stream); |
robbiew | c844563 | 2003-01-06 21:35:55 +0000 | [diff] [blame] | 218 | |
| 219 | if ((stream = fopen(tempfile, "ab+")) == NULL) { |
Cyril Hrubis | 526fdf8 | 2014-12-04 14:35:01 +0100 | [diff] [blame] | 220 | tst_brkm(TFAIL, NULL, "fopen(%s) ab+ failed: %s", |
| 221 | tempfile, |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 222 | strerror(errno)); |
robbiew | c844563 | 2003-01-06 21:35:55 +0000 | [diff] [blame] | 223 | } |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 224 | (void)fclose(stream); |
robbiew | c844563 | 2003-01-06 21:35:55 +0000 | [diff] [blame] | 225 | |
vapier | fab8d74 | 2006-02-15 05:47:07 +0000 | [diff] [blame] | 226 | tst_resm(TPASS, "Test passed in block4."); |
robbiew | c844563 | 2003-01-06 21:35:55 +0000 | [diff] [blame] | 227 | /*--------------------------------------------------------------------*/ |
| 228 | unlink(tempfile); |
Wanlong Gao | 354ebb4 | 2012-12-07 10:10:04 +0800 | [diff] [blame] | 229 | } /* end for */ |
robbiew | c844563 | 2003-01-06 21:35:55 +0000 | [diff] [blame] | 230 | tst_rmdir(); |
| 231 | tst_exit(); |
Chris Dearman | ec6edca | 2012-10-17 19:54:01 -0700 | [diff] [blame] | 232 | } |