1*bbb1b6f9SApple OSS Distributions #ifdef T_NAMESPACE 2*bbb1b6f9SApple OSS Distributions #undef T_NAMESPACE 3*bbb1b6f9SApple OSS Distributions #endif 4*bbb1b6f9SApple OSS Distributions 5*bbb1b6f9SApple OSS Distributions #include <darwintest.h> 6*bbb1b6f9SApple OSS Distributions #include <darwintest_multiprocess.h> 7*bbb1b6f9SApple OSS Distributions 8*bbb1b6f9SApple OSS Distributions #define PRIVATE 1 9*bbb1b6f9SApple OSS Distributions #include "../bsd/sys/dirent.h" 10*bbb1b6f9SApple OSS Distributions 11*bbb1b6f9SApple OSS Distributions T_GLOBAL_META(T_META_RUN_CONCURRENTLY(true)); 12*bbb1b6f9SApple OSS Distributions 13*bbb1b6f9SApple OSS Distributions ssize_t __getdirentries64(int fd, void *buf, size_t bufsize, off_t *basep); 14*bbb1b6f9SApple OSS Distributions 15*bbb1b6f9SApple OSS Distributions T_DECL(getdirentries64_extended, "check for GETDIRENTRIES64_EOF", T_META_TAG_VM_PREFERRED) 16*bbb1b6f9SApple OSS Distributions { 17*bbb1b6f9SApple OSS Distributions char buf[GETDIRENTRIES64_EXTENDED_BUFSIZE]; 18*bbb1b6f9SApple OSS Distributions getdirentries64_flags_t *flags; 19*bbb1b6f9SApple OSS Distributions ssize_t result; 20*bbb1b6f9SApple OSS Distributions off_t offset; 21*bbb1b6f9SApple OSS Distributions int fd; 22*bbb1b6f9SApple OSS Distributions bool eof = false; 23*bbb1b6f9SApple OSS Distributions 24*bbb1b6f9SApple OSS Distributions flags = (getdirentries64_flags_t *)(uintptr_t)(buf + sizeof(buf) - 25*bbb1b6f9SApple OSS Distributions sizeof(getdirentries64_flags_t)); 26*bbb1b6f9SApple OSS Distributions fd = open("/", O_DIRECTORY | O_RDONLY); 27*bbb1b6f9SApple OSS Distributions T_ASSERT_POSIX_SUCCESS(fd, "open(/)"); 28*bbb1b6f9SApple OSS Distributions 29*bbb1b6f9SApple OSS Distributions for (;;) { 30*bbb1b6f9SApple OSS Distributions *flags = (getdirentries64_flags_t)~0; 31*bbb1b6f9SApple OSS Distributions result = __getdirentries64(fd, buf, sizeof(buf), &offset); 32*bbb1b6f9SApple OSS Distributions T_ASSERT_POSIX_SUCCESS(result, "__getdirentries64()"); 33*bbb1b6f9SApple OSS Distributions T_ASSERT_LE((size_t)result, sizeof(buf) - sizeof(getdirentries64_flags_t), 34*bbb1b6f9SApple OSS Distributions "The kernel should have left space for the flags"); 35*bbb1b6f9SApple OSS Distributions T_ASSERT_NE(*flags, (getdirentries64_flags_t)~0, 36*bbb1b6f9SApple OSS Distributions "The kernel should have returned status"); 37*bbb1b6f9SApple OSS Distributions if (eof) { 38*bbb1b6f9SApple OSS Distributions T_ASSERT_EQ(result, 0l, "At EOF, we really should be done"); 39*bbb1b6f9SApple OSS Distributions T_ASSERT_TRUE(*flags & GETDIRENTRIES64_EOF, "And EOF should still be set"); 40*bbb1b6f9SApple OSS Distributions T_END; 41*bbb1b6f9SApple OSS Distributions } 42*bbb1b6f9SApple OSS Distributions T_ASSERT_NE(result, 0l, "We're not at EOF, we should have an entry"); 43*bbb1b6f9SApple OSS Distributions eof = (*flags & GETDIRENTRIES64_EOF); 44*bbb1b6f9SApple OSS Distributions } 45*bbb1b6f9SApple OSS Distributions } 46