| /* |
| * |
| * Copyright (c) International Business Machines Corp., 2002 |
| * |
| * 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 |
| */ |
| |
| /* Pored from SPIE, section2/iosuite/dup3.c, by Airong Zhang */ |
| |
| /*dup3.c */ |
| /*====================================================================== |
| =================== TESTPLAN SEGMENT =================== |
| >KEYS: < dup() |
| >WHAT: < Is the access mode the same for both file descriptors? |
| < 0: read only? |
| < 1: write only? |
| < 2: read/write? |
| >HOW: < Creat a file with each access mode; dup each file descriptor; |
| < stat each file descriptor and compare mode of each pair |
| >BUGS: < |
| ======================================================================*/ |
| |
| #include <stdio.h> |
| #include <fcntl.h> |
| #include <sys/types.h> |
| #include <sys/stat.h> |
| #include <sys/types.h> |
| #include <sys/stat.h> |
| #include "test.h" |
| #include "usctest.h" |
| |
| char *TCID = "dup07"; |
| int TST_TOTAL = 1; |
| int local_flag; |
| |
| #define PASSED 1 |
| #define FAILED 0 |
| |
| char testfile[40] = ""; |
| |
| /*--------------------------------------------------------------------*/ |
| int main(int ac, char **av) |
| { |
| struct stat retbuf; |
| struct stat dupbuf; |
| int rdoret, wroret, rdwret; |
| int duprdo, dupwro, duprdwr; |
| |
| /*--------------------------------------------------------------------*/ |
| |
| int lc; /* loop counter */ |
| char *msg; /* message returned from parse_opts */ |
| |
| /* |
| * parse standard options |
| */ |
| if ((msg = parse_opts(ac, av, NULL, NULL)) != NULL) { |
| tst_resm(TBROK, "OPTION PARSING ERROR - %s", msg); |
| tst_exit(); |
| } |
| |
| local_flag = PASSED; |
| |
| for (lc = 0; TEST_LOOPING(lc); lc++) { |
| |
| sprintf(testfile, "dup07.%d", getpid()); |
| if ((rdoret = creat(testfile, 0444)) == -1) { |
| tst_resm(TFAIL, "Unable to creat file '%s'", testfile); |
| local_flag = FAILED; |
| } else { |
| if ((duprdo = dup(rdoret)) == -1) { |
| tst_resm(TFAIL, "Unable to dup '%s'", testfile); |
| local_flag = FAILED; |
| } else { |
| fstat(rdoret, &retbuf); |
| fstat(duprdo, &dupbuf); |
| if (retbuf.st_mode != dupbuf.st_mode) { |
| tst_resm(TFAIL, |
| "rdonly and dup do not match"); |
| local_flag = FAILED; |
| } |
| } |
| } |
| if (local_flag == PASSED) { |
| tst_resm(TPASS, "Test passed in read mode."); |
| } else { |
| tst_resm(TFAIL, "Test failed in read mode."); |
| } |
| |
| /*--------------------------------------------------------------------*/ |
| |
| unlink(testfile); |
| if ((wroret = creat(testfile, 0222)) == -1) { |
| tst_resm(TFAIL, "Unable to creat file '%s'", testfile); |
| local_flag = FAILED; |
| } else { |
| if ((dupwro = dup(wroret)) == -1) { |
| tst_resm(TFAIL, "Unable to dup '%s'", testfile); |
| local_flag = FAILED; |
| } else { |
| fstat(wroret, &retbuf); |
| fstat(dupwro, &dupbuf); |
| if (retbuf.st_mode != dupbuf.st_mode) { |
| tst_resm(TFAIL, |
| "wronly and dup do not match"); |
| local_flag = FAILED; |
| } |
| } |
| } |
| |
| if (local_flag == PASSED) { |
| tst_resm(TPASS, "Test passed in write mode."); |
| } else { |
| tst_resm(TFAIL, "Test failed in write mode."); |
| } |
| /*--------------------------------------------------------------------*/ |
| unlink(testfile); |
| if ((rdwret = creat(testfile, 0666)) == -1) { |
| tst_resm(TFAIL, "Unable to creat file '%s'", testfile); |
| local_flag = FAILED; |
| } else { |
| if ((duprdwr = dup(rdwret)) == -1) { |
| tst_resm(TFAIL, "Unable to dup '%s'", testfile); |
| local_flag = FAILED; |
| } else { |
| fstat(rdwret, &retbuf); |
| fstat(duprdwr, &dupbuf); |
| if (retbuf.st_mode != dupbuf.st_mode) { |
| tst_resm(TFAIL, |
| "rdwr and dup do not match"); |
| local_flag = FAILED; |
| } |
| } |
| } |
| if (local_flag == PASSED) { |
| tst_resm(TPASS, "Test passed in read/write mode."); |
| } else { |
| tst_resm(TFAIL, "Test failed in read/write mode."); |
| } |
| /*--------------------------------------------------------------------*/ |
| unlink(testfile); |
| |
| if (local_flag == PASSED) { |
| tst_resm(TPASS, "Test passed"); |
| } else { |
| tst_resm(TFAIL, "Test failed"); |
| } |
| |
| tst_exit(); |
| } /* end for */ |
| tst_exit(); |
| } |