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 |
| 17 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 18 | */ |
| 19 | |
| 20 | /* ported from SPIE, section2/filesuite/stream3.c, by Airong Zhang */ |
| 21 | |
| 22 | /*====================================================================== |
| 23 | =================== TESTPLAN SEGMENT =================== |
| 24 | >KEYS: < fseek() ftell() |
| 25 | >WHAT: < 1) Ensure ftell reports the correct current byte offset. |
| 26 | >HOW: < 1) Open a file, write to it, reposition the file pointer and |
| 27 | check it. |
| 28 | >BUGS: < |
| 29 | ======================================================================*/ |
| 30 | #define _XOPEN_SOURCE 500 |
| 31 | #include <stdio.h> |
robbiew | a70576c | 2003-03-04 18:33:41 +0000 | [diff] [blame] | 32 | #include <errno.h> |
robbiew | c844563 | 2003-01-06 21:35:55 +0000 | [diff] [blame] | 33 | #include <fcntl.h> |
| 34 | #include <sys/types.h> |
| 35 | #include <sys/stat.h> |
| 36 | #include "test.h" |
| 37 | #include "usctest.h" |
| 38 | |
| 39 | char *TCID = "stream03"; |
| 40 | int TST_TOTAL = 1; |
| 41 | extern int Tst_count; |
| 42 | int local_flag; |
| 43 | |
| 44 | #define PASSED 1 |
| 45 | #define FAILED 0 |
| 46 | |
robbiew | c844563 | 2003-01-06 21:35:55 +0000 | [diff] [blame] | 47 | char progname[] = "stream03()" ; |
| 48 | char tempfile1[40]=""; |
| 49 | long ftell(); |
| 50 | |
| 51 | /*--------------------------------------------------------------------*/ |
| 52 | int main(int ac, char *av[]) |
| 53 | { |
| 54 | FILE *stream; |
| 55 | char buf[30]; |
| 56 | char *junk="abcdefghijklmnopqrstuvwxyz"; |
| 57 | long pos; |
| 58 | off_t opos; |
| 59 | int lc; /* loop counter */ |
| 60 | char *msg; /* message returned from parse_opts */ |
| 61 | |
| 62 | /* |
| 63 | * parse standard options |
| 64 | */ |
| 65 | if ((msg = parse_opts(ac, av, (option_t *)NULL, NULL)) != (char *)NULL){ |
| 66 | tst_resm(TBROK, "OPTION PARSING ERROR - %s", msg); |
| 67 | tst_exit(); |
| 68 | /*NOTREACHED*/ |
| 69 | } |
| 70 | |
| 71 | local_flag = PASSED; |
| 72 | tst_tmpdir(); |
| 73 | |
| 74 | for (lc = 0; TEST_LOOPING(lc); lc++) { |
| 75 | |
| 76 | sprintf(tempfile1, "stream03.%d", getpid()); |
| 77 | /*--------------------------------------------------------------------*/ |
| 78 | //block0: |
| 79 | if(creat(tempfile1,0666) < 0) { |
| 80 | tst_resm(TBROK,"\tcreat failed\n"); |
| 81 | tst_exit(); |
| 82 | } |
| 83 | if((stream=fopen(tempfile1,"a+")) == NULL) { |
| 84 | tst_resm(TBROK,"\tfopen a+ failed\n"); |
| 85 | tst_exit(); |
| 86 | } |
| 87 | /* make sure offset of zero at start */ |
| 88 | pos=ftell(stream); |
| 89 | if ( pos != 0 ) { |
| 90 | tst_resm(TFAIL,"file pointer descrepancy 1"); |
| 91 | local_flag = FAILED; |
| 92 | } |
| 93 | /* write something and check */ |
| 94 | if(fwrite(junk,sizeof(*junk),strlen(junk),stream) == 0) { |
| 95 | tst_resm(TFAIL,"\tfwrite failed\n"); |
| 96 | tst_exit(); |
| 97 | } |
| 98 | pos=ftell(stream); |
robbiew | 631dd65 | 2003-06-10 15:00:41 +0000 | [diff] [blame^] | 99 | if ((size_t)pos != strlen(junk) ) { |
robbiew | c844563 | 2003-01-06 21:35:55 +0000 | [diff] [blame] | 100 | tst_resm(TFAIL, "strlen(junk):file pointer descrepancy 2"); |
| 101 | local_flag = FAILED; |
| 102 | } |
| 103 | /* rewind and check */ |
| 104 | rewind(stream); |
| 105 | pos=ftell(stream); |
| 106 | if ( pos != 0 ) { |
| 107 | tst_resm(TFAIL,0,"file pointer descrepancy 3"); |
| 108 | local_flag = FAILED; |
| 109 | } |
| 110 | /* seek from current position and then check */ |
| 111 | if (fseek(stream,strlen(junk),1) != 0) { |
| 112 | tst_resm(TFAIL,"\tfseek failed\n"); |
| 113 | tst_exit(); |
| 114 | } |
| 115 | pos=ftell(stream); |
robbiew | 631dd65 | 2003-06-10 15:00:41 +0000 | [diff] [blame^] | 116 | if ((size_t)pos != strlen(junk) ) { |
robbiew | c844563 | 2003-01-06 21:35:55 +0000 | [diff] [blame] | 117 | tst_resm(TFAIL,"strlen(junk),file pointer descrepancy 4"); |
| 118 | local_flag = FAILED; |
| 119 | } |
| 120 | /* seek from end of file and then check */ |
| 121 | if (fseek(stream,0,2) != 0) { |
| 122 | tst_resm(TFAIL,"\tfseek failed\n"); |
| 123 | tst_exit(); |
| 124 | } |
| 125 | pos=ftell(stream); |
robbiew | 631dd65 | 2003-06-10 15:00:41 +0000 | [diff] [blame^] | 126 | if ((size_t)pos != strlen(junk) ) { |
robbiew | c844563 | 2003-01-06 21:35:55 +0000 | [diff] [blame] | 127 | tst_resm(TFAIL,"strlen(junk),file pointer descrepancy 5"); |
| 128 | local_flag = FAILED; |
| 129 | } |
| 130 | /* rewind with seek and then check */ |
| 131 | if (fseek(stream,0,0) != 0) { |
| 132 | tst_resm(TFAIL,"\tfseek failed\n"); |
| 133 | tst_exit(); |
| 134 | } |
| 135 | pos=ftell(stream); |
| 136 | if (pos != 0 ) { |
| 137 | tst_resm(TFAIL,"file pointer descrepancy 6"); |
| 138 | local_flag = FAILED; |
| 139 | } |
| 140 | |
| 141 | /* read till EOF, do getc and then check ftell */ |
robbiew | 631dd65 | 2003-06-10 15:00:41 +0000 | [diff] [blame^] | 142 | while (fgets (buf, sizeof(buf), stream)); |
robbiew | c844563 | 2003-01-06 21:35:55 +0000 | [diff] [blame] | 143 | pos=ftell(stream); |
| 144 | (void) getc(stream); |
| 145 | pos=ftell(stream); |
robbiew | 631dd65 | 2003-06-10 15:00:41 +0000 | [diff] [blame^] | 146 | if ((size_t)pos != strlen(junk) ) { |
robbiew | c844563 | 2003-01-06 21:35:55 +0000 | [diff] [blame] | 147 | tst_resm(TFAIL,"strlen(junk),file pointer descrepancy 7"); |
| 148 | local_flag = FAILED; |
| 149 | } |
| 150 | fclose(stream); |
| 151 | if (local_flag == PASSED) { |
| 152 | tst_resm(TPASS, "Test passed in block0.\n"); |
| 153 | } else { |
| 154 | tst_resm(TFAIL, "Test failed in block0.\n"); |
| 155 | } |
| 156 | |
| 157 | local_flag = PASSED; |
| 158 | |
| 159 | unlink(tempfile1); |
| 160 | /*--------------------------------------------------------------------*/ |
| 161 | //block1: |
| 162 | if(creat(tempfile1,0666) < 0) { |
| 163 | tst_resm(TFAIL,"\tcreat failed\n"); |
| 164 | tst_exit(); |
| 165 | } |
| 166 | if((stream=fopen(tempfile1,"a+")) == NULL) { |
| 167 | tst_resm(TFAIL,"\tfopen a+ failed\n"); |
| 168 | tst_exit(); |
| 169 | } |
| 170 | /* make sure offset of zero at start */ |
| 171 | opos=ftello(stream); |
| 172 | if ( opos != 0 ) { |
| 173 | tst_resm(TFAIL,"file pointer descrepancy 1"); |
| 174 | local_flag = FAILED; |
| 175 | } |
| 176 | /* write something and check */ |
| 177 | if(fwrite(junk,sizeof(*junk),strlen(junk),stream) == 0) { |
| 178 | tst_resm(TFAIL,"\tfwrite failed\n"); |
| 179 | tst_exit(); |
| 180 | } |
| 181 | opos=ftello(stream); |
robbiew | 631dd65 | 2003-06-10 15:00:41 +0000 | [diff] [blame^] | 182 | if ((size_t)opos != strlen(junk) ) { |
robbiew | c844563 | 2003-01-06 21:35:55 +0000 | [diff] [blame] | 183 | tst_resm(TFAIL,"strlen(junk),file pointer descrepancy 2"); |
| 184 | local_flag = FAILED; |
| 185 | } |
| 186 | /* rewind and check */ |
| 187 | rewind(stream); |
| 188 | opos=ftello(stream); |
| 189 | if ( opos != 0 ) { |
| 190 | tst_resm(TFAIL,"file pointer descrepancy 3"); |
| 191 | local_flag = FAILED; |
| 192 | } |
| 193 | /* seek from current position and then check */ |
| 194 | if (fseeko(stream, (off_t)strlen(junk), 1) != 0) { |
| 195 | tst_resm(TFAIL,"\tfseeko failed\n"); |
| 196 | tst_exit(); |
| 197 | } |
| 198 | opos=ftello(stream); |
robbiew | 631dd65 | 2003-06-10 15:00:41 +0000 | [diff] [blame^] | 199 | if ((size_t)opos != strlen(junk) ) { |
robbiew | c844563 | 2003-01-06 21:35:55 +0000 | [diff] [blame] | 200 | tst_resm(TFAIL,"strlen(junk),file pointer descrepancy 4"); |
| 201 | local_flag = FAILED; |
| 202 | } |
| 203 | /* seek from end of file and then check */ |
| 204 | if (fseeko(stream, (off_t)0, 2) != 0) { |
| 205 | tst_resm(TFAIL,"\tfseeko failed\n"); |
| 206 | tst_exit(); |
| 207 | } |
| 208 | opos=ftello(stream); |
robbiew | 631dd65 | 2003-06-10 15:00:41 +0000 | [diff] [blame^] | 209 | if ((size_t)opos != strlen(junk) ) { |
robbiew | c844563 | 2003-01-06 21:35:55 +0000 | [diff] [blame] | 210 | tst_resm(TFAIL,"strlen(junk),file pointer descrepancy 5"); |
| 211 | local_flag = FAILED; |
| 212 | } |
| 213 | /* rewind with seek and then check */ |
| 214 | if (fseeko(stream, (off_t)0, 0) != 0) { |
| 215 | tst_resm(TFAIL,"\tfseeko failed\n"); |
| 216 | tst_exit(); |
| 217 | } |
| 218 | opos=ftello(stream); |
| 219 | if (opos != 0 ) { |
| 220 | tst_resm(TFAIL,"file pointer descrepancy 6"); |
| 221 | local_flag = FAILED; |
| 222 | } |
| 223 | |
| 224 | /* read till EOF, do getc and then check ftello */ |
robbiew | 631dd65 | 2003-06-10 15:00:41 +0000 | [diff] [blame^] | 225 | while (fgets (buf, sizeof(buf), stream)); |
robbiew | c844563 | 2003-01-06 21:35:55 +0000 | [diff] [blame] | 226 | opos=ftello(stream); |
| 227 | (void) getc(stream); |
| 228 | opos=ftello(stream); |
robbiew | 631dd65 | 2003-06-10 15:00:41 +0000 | [diff] [blame^] | 229 | if ((size_t)opos != strlen(junk) ) { |
robbiew | c844563 | 2003-01-06 21:35:55 +0000 | [diff] [blame] | 230 | tst_resm(TFAIL,"strlen(junk),file pointer descrepancy 7"); |
| 231 | local_flag = FAILED; |
| 232 | } |
| 233 | fclose(stream); |
| 234 | if (local_flag == PASSED) { |
| 235 | tst_resm(TPASS, "Test passed in block1.\n"); |
| 236 | } else { |
| 237 | tst_resm(TFAIL, "Test failed in block1.\n"); |
| 238 | } |
| 239 | /*--------------------------------------------------------------------*/ |
| 240 | unlink(tempfile1); |
| 241 | } /* end for */ |
| 242 | tst_rmdir(); |
| 243 | tst_exit(); |
| 244 | return(0); |
| 245 | } |