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/iosuite/stream4.c, by Airong Zhang */ |
| 21 | |
| 22 | /*====================================================================== |
| 23 | =================== TESTPLAN SEGMENT =================== |
| 24 | >KEYS: < fwrite() fread() |
| 25 | >WHAT: < 1) Ensure fwrite appends data to stream. |
| 26 | < 2) Ensure fread and fwrite return values are valid. |
| 27 | >HOW: < 1) Open a file, write to it, and then check it. |
| 28 | < 2) Fwrite a know quanity, check return value. |
| 29 | < Fread a know quanity, check return value. |
| 30 | >BUGS: < |
| 31 | ======================================================================*/ |
| 32 | |
| 33 | #include <stdio.h> |
robbiew | a70576c | 2003-03-04 18:33:41 +0000 | [diff] [blame] | 34 | #include <errno.h> |
robbiew | c844563 | 2003-01-06 21:35:55 +0000 | [diff] [blame] | 35 | #include <fcntl.h> |
| 36 | #include <sys/types.h> |
| 37 | #include <sys/stat.h> |
| 38 | #include "test.h" |
| 39 | #include "usctest.h" |
| 40 | |
| 41 | char *TCID = "stream04"; |
| 42 | int TST_TOTAL = 1; |
| 43 | extern int Tst_count; |
| 44 | int local_flag; |
| 45 | |
| 46 | #define PASSED 1 |
| 47 | #define FAILED 0 |
| 48 | |
| 49 | |
robbiew | c844563 | 2003-01-06 21:35:55 +0000 | [diff] [blame] | 50 | char progname[] = "stream04()" ; |
| 51 | char tempfile1[40]=""; |
| 52 | long ftell(); |
| 53 | |
| 54 | /*--------------------------------------------------------------------*/ |
| 55 | int main(int ac, char *av[]) |
| 56 | { |
| 57 | FILE *stream; |
| 58 | char *junk="abcdefghijklmnopqrstuvwxyz"; |
| 59 | char *inbuf; |
| 60 | int ret; |
| 61 | |
| 62 | int lc; /* loop counter */ |
| 63 | char *msg; /* message returned from parse_opts */ |
| 64 | |
| 65 | /* |
| 66 | * parse standard options |
| 67 | */ |
| 68 | if ((msg = parse_opts(ac, av, (option_t *)NULL, NULL)) != (char *)NULL){ |
| 69 | tst_resm(TBROK, "OPTION PARSING ERROR - %s", msg); |
| 70 | tst_exit(); |
| 71 | /*NOTREACHED*/ |
| 72 | } |
| 73 | tst_tmpdir(); |
| 74 | for (lc = 0; TEST_LOOPING(lc); lc++) { |
| 75 | |
| 76 | local_flag = PASSED; |
| 77 | |
| 78 | sprintf(tempfile1, "stream04.%d", getpid()); |
| 79 | /*--------------------------------------------------------------------*/ |
| 80 | //block0: |
| 81 | if(creat(tempfile1,0666) < 0) { |
| 82 | tst_resm(TFAIL,"\tcreat failed\n"); |
| 83 | tst_exit(); |
| 84 | } |
| 85 | if((stream=fopen(tempfile1,"a+")) == NULL) { |
| 86 | tst_resm(TFAIL,"\tfopen a+ failed\n"); |
| 87 | tst_exit(); |
| 88 | } |
| 89 | /* write something and check */ |
| 90 | if((ret=fwrite(junk,sizeof(*junk),strlen(junk),stream)) == 0) { |
| 91 | tst_resm(TFAIL,"\tfwrite failed\n"); |
| 92 | tst_exit(); |
| 93 | } |
| 94 | |
robbiew | 631dd65 | 2003-06-10 15:00:41 +0000 | [diff] [blame^] | 95 | if((size_t)ret != strlen(junk)) { |
robbiew | c844563 | 2003-01-06 21:35:55 +0000 | [diff] [blame] | 96 | tst_resm(TFAIL,"strlen(junk),return value from fwrite"); |
| 97 | local_flag = FAILED; |
| 98 | } |
| 99 | |
| 100 | fclose(stream); |
| 101 | if((stream=fopen(tempfile1,"r+")) == NULL) { |
| 102 | tst_resm(TFAIL,"\tfopen r+ failed\n"); |
| 103 | tst_exit(); |
| 104 | } |
| 105 | if ( (inbuf=(char *)malloc(strlen(junk))) == 0) { |
| 106 | tst_resm(TBROK, "test failed because of malloc\n"); |
| 107 | tst_exit(); |
| 108 | } |
| 109 | if((ret=fread(inbuf,sizeof(*junk),strlen(junk),stream)) == 0) { |
| 110 | tst_resm(TFAIL,"\tfread failed\n"); |
| 111 | tst_exit(); |
| 112 | } |
robbiew | 631dd65 | 2003-06-10 15:00:41 +0000 | [diff] [blame^] | 113 | if((size_t)ret != strlen(junk)) { |
robbiew | c844563 | 2003-01-06 21:35:55 +0000 | [diff] [blame] | 114 | tst_resm(TFAIL,"strlen(junk),return value from fread"); |
| 115 | local_flag = FAILED; |
| 116 | } |
| 117 | fclose(stream); |
| 118 | if (local_flag == PASSED) { |
| 119 | tst_resm(TPASS, "Test passed.\n"); |
| 120 | } else { |
| 121 | tst_resm(TFAIL, "Test failed.\n"); |
| 122 | } |
| 123 | /*--------------------------------------------------------------------*/ |
| 124 | unlink(tempfile1); |
| 125 | } /* end for */ |
| 126 | tst_rmdir(); |
| 127 | tst_exit(); |
| 128 | return(0); |
| 129 | } |