1*19c3b8c2SApple OSS Distributions /* 2*19c3b8c2SApple OSS Distributions * Copyright (c) 2022 Apple Inc. All rights reserved. 3*19c3b8c2SApple OSS Distributions * 4*19c3b8c2SApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5*19c3b8c2SApple OSS Distributions * 6*19c3b8c2SApple OSS Distributions * This file contains Original Code and/or Modifications of Original Code 7*19c3b8c2SApple OSS Distributions * as defined in and that are subject to the Apple Public Source License 8*19c3b8c2SApple OSS Distributions * Version 2.0 (the 'License'). You may not use this file except in 9*19c3b8c2SApple OSS Distributions * compliance with the License. The rights granted to you under the License 10*19c3b8c2SApple OSS Distributions * may not be used to create, or enable the creation or redistribution of, 11*19c3b8c2SApple OSS Distributions * unlawful or unlicensed copies of an Apple operating system, or to 12*19c3b8c2SApple OSS Distributions * circumvent, violate, or enable the circumvention or violation of, any 13*19c3b8c2SApple OSS Distributions * terms of an Apple operating system software license agreement. 14*19c3b8c2SApple OSS Distributions * 15*19c3b8c2SApple OSS Distributions * Please obtain a copy of the License at 16*19c3b8c2SApple OSS Distributions * http://www.opensource.apple.com/apsl/ and read it before using this file. 17*19c3b8c2SApple OSS Distributions * 18*19c3b8c2SApple OSS Distributions * The Original Code and all software distributed under the License are 19*19c3b8c2SApple OSS Distributions * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20*19c3b8c2SApple OSS Distributions * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21*19c3b8c2SApple OSS Distributions * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22*19c3b8c2SApple OSS Distributions * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23*19c3b8c2SApple OSS Distributions * Please see the License for the specific language governing rights and 24*19c3b8c2SApple OSS Distributions * limitations under the License. 25*19c3b8c2SApple OSS Distributions * 26*19c3b8c2SApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27*19c3b8c2SApple OSS Distributions */ 28*19c3b8c2SApple OSS Distributions 29*19c3b8c2SApple OSS Distributions #include <errno.h> 30*19c3b8c2SApple OSS Distributions #include <fcntl.h> 31*19c3b8c2SApple OSS Distributions #include <unistd.h> 32*19c3b8c2SApple OSS Distributions 33*19c3b8c2SApple OSS Distributions #include <darwintest.h> 34*19c3b8c2SApple OSS Distributions #include <darwintest_utils.h> 35*19c3b8c2SApple OSS Distributions 36*19c3b8c2SApple OSS Distributions T_GLOBAL_META( 37*19c3b8c2SApple OSS Distributions T_META_RUN_CONCURRENTLY(true), 38*19c3b8c2SApple OSS Distributions T_META_NAMESPACE("xnu.vfs"), 39*19c3b8c2SApple OSS Distributions T_META_OWNER("chrisjd") 40*19c3b8c2SApple OSS Distributions ); 41*19c3b8c2SApple OSS Distributions 42*19c3b8c2SApple OSS Distributions T_DECL(read_nullbuf, "read into a NULL buffer should fail") 43*19c3b8c2SApple OSS Distributions { 44*19c3b8c2SApple OSS Distributions int fd; 45*19c3b8c2SApple OSS Distributions ssize_t result; 46*19c3b8c2SApple OSS Distributions 47*19c3b8c2SApple OSS Distributions fd = open("/etc/passwd", O_RDONLY); 48*19c3b8c2SApple OSS Distributions T_ASSERT_NE(fd, -1, "open /etc/passwd for reading"); 49*19c3b8c2SApple OSS Distributions 50*19c3b8c2SApple OSS Distributions result = read(fd, NULL, 8); 51*19c3b8c2SApple OSS Distributions T_ASSERT_EQ(result, -1, "expected to fail"); 52*19c3b8c2SApple OSS Distributions T_ASSERT_EQ(errno, EFAULT, "should have errno == EFAULT"); 53*19c3b8c2SApple OSS Distributions } 54