1 /* 2 * Copyright (c) 2000 Silicon Graphics, Inc. All Rights Reserved. 3 * Copyright (c) 2017 Cyril Hrubis <chrubis (at) suse.cz> 4 * 5 * This program is free software; you can redistribute it and/or modify it 6 * under the terms of version 2 of the GNU General Public License as 7 * published by the Free Software Foundation. 8 * 9 * This program is distributed in the hope that it would be useful, but 10 * WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 12 * 13 * Further, this software is distributed without any warranty that it is 14 * free of the rightful claim of any third person regarding infringement 15 * or the like. Any license provided herein, whether implied or 16 * otherwise, applies only to this software file. Patent licenses, if 17 * any, provided herein do not apply to combinations of this program with 18 * other software, or any other product whatsoever. 19 * 20 * You should have received a copy of the GNU General Public License along 21 * with this program; if not, write the Free Software Foundation, Inc., 22 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. 23 * 24 * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy, 25 * Mountain View, CA 94043, or: 26 * 27 * http://www.sgi.com 28 * 29 * For further information regarding this notice, see: 30 * 31 * http://oss.sgi.com/projects/GenInfo/NoticeExplan/ 32 * 33 */ 34 /* 35 * Basic test for fcntl(2) using F_DUPFD argument. 36 */ 37 38 #include <sys/types.h> 39 #include <sys/stat.h> 40 #include <fcntl.h> 41 #include <unistd.h> 42 #include <errno.h> 43 #include <stdio.h> 44 45 #include "tst_test.h" 46 47 static int fd; 48 static char fname[256]; 49 50 static const int min_fds[] = {0, 1, 2, 3, 10, 100}; 51 52 static void verify_fcntl(unsigned int n) 53 { 54 int min_fd = min_fds[n]; 55 56 TEST(fcntl(fd, F_DUPFD, min_fd)); 57 58 if (TST_RET == -1) { 59 tst_res(TFAIL | TTERRNO, "fcntl(%s, F_DUPFD, %i) failed", 60 fname, min_fd); 61 return; 62 } 63 64 if (TST_RET < min_fd) { 65 tst_res(TFAIL, "fcntl(%s, F_DUPFD, %i) returned %ld < %i", 66 fname, min_fd, TST_RET, min_fd); 67 } 68 69 tst_res(TPASS, "fcntl(%s, F_DUPFD, %i) returned %ld", 70 fname, min_fd, TST_RET); 71 72 SAFE_CLOSE(TST_RET); 73 } 74 75 static void setup(void) 76 { 77 sprintf(fname, "fcntl02_%d", getpid()); 78 fd = SAFE_OPEN(fname, O_RDWR | O_CREAT, 0700); 79 } 80 81 static void cleanup(void) 82 { 83 if (fd > 0) 84 SAFE_CLOSE(fd); 85 } 86 87 static struct tst_test test = { 88 .needs_tmpdir = 1, 89 .test = verify_fcntl, 90 .tcnt = ARRAY_SIZE(min_fds), 91 .setup = setup, 92 .cleanup = cleanup, 93 }; 94
