TEST(libc_logging, buffer_overrun) { #if defined(__BIONIC__) char buf[BUFSIZ]; ASSERT_EQ(11, __libc_format_buffer(buf, sizeof(buf), "hello %s", "world")); EXPECT_STREQ("hello world", buf); ASSERT_EQ(11, __libc_format_buffer(buf, 8, "hello %s", "world")); EXPECT_STREQ("hello w", buf); #else // __BIONIC__ GTEST_LOG_(INFO) << "This test does nothing.\n"; #endif // __BIONIC__ }
TEST(libc_logging, d_INT_MIN) { #if defined(__BIONIC__) char buf[BUFSIZ]; __libc_format_buffer(buf, sizeof(buf), "%d", INT_MIN); EXPECT_STREQ("-2147483648", buf); #else // __BIONIC__ GTEST_LOG_(INFO) << "This test does nothing.\n"; #endif // __BIONIC__ }
TEST(libc_logging, lld_LLONG_MIN) { #if defined(__BIONIC__) char buf[BUFSIZ]; __libc_format_buffer(buf, sizeof(buf), "%lld", LLONG_MIN); EXPECT_STREQ("-9223372036854775808", buf); #else // __BIONIC__ GTEST_LOG_(INFO) << "This test does nothing.\n"; #endif // __BIONIC__ }
TEST(libc_logging, ld_LONG_MIN) { char buf[BUFSIZ]; __libc_format_buffer(buf, sizeof(buf), "%ld", LONG_MIN); #if __LP64__ EXPECT_STREQ("-9223372036854775808", buf); #else EXPECT_STREQ("-2147483648", buf); #endif }
TEST(libc_logging, ld_LONG_MAX) { #if defined(__BIONIC__) char buf[BUFSIZ]; __libc_format_buffer(buf, sizeof(buf), "%ld", LONG_MAX); #if defined(__LP64__) EXPECT_STREQ("9223372036854775807", buf); #else EXPECT_STREQ("2147483647", buf); #endif #else // __BIONIC__ GTEST_LOG_(INFO) << "This test does nothing.\n"; #endif // __BIONIC__ }
int strerror_r(int error_number, char* buf, size_t buf_len) { ErrnoRestorer errno_restorer; size_t length; const char* error_name = __strerror_lookup(error_number); if (error_name != NULL) { length = strlcpy(buf, error_name, buf_len); } else { length = __libc_format_buffer(buf, buf_len, "Unknown error %d", error_number); } if (length >= buf_len) { errno_restorer.override(ERANGE); return -1; }
TEST(libc_logging, smoke) { #if defined(__BIONIC__) char buf[BUFSIZ]; __libc_format_buffer(buf, sizeof(buf), "a"); EXPECT_STREQ("a", buf); __libc_format_buffer(buf, sizeof(buf), "%%"); EXPECT_STREQ("%", buf); __libc_format_buffer(buf, sizeof(buf), "01234"); EXPECT_STREQ("01234", buf); __libc_format_buffer(buf, sizeof(buf), "a%sb", "01234"); EXPECT_STREQ("a01234b", buf); char* s = NULL; __libc_format_buffer(buf, sizeof(buf), "a%sb", s); EXPECT_STREQ("a(null)b", buf); __libc_format_buffer(buf, sizeof(buf), "aa%scc", "bb"); EXPECT_STREQ("aabbcc", buf); __libc_format_buffer(buf, sizeof(buf), "a%cc", 'b'); EXPECT_STREQ("abc", buf); __libc_format_buffer(buf, sizeof(buf), "a%db", 1234); EXPECT_STREQ("a1234b", buf); __libc_format_buffer(buf, sizeof(buf), "a%db", -8123); EXPECT_STREQ("a-8123b", buf); __libc_format_buffer(buf, sizeof(buf), "a%hdb", static_cast<short>(0x7fff0010)); EXPECT_STREQ("a16b", buf); __libc_format_buffer(buf, sizeof(buf), "a%hhdb", static_cast<char>(0x7fffff10)); EXPECT_STREQ("a16b", buf); __libc_format_buffer(buf, sizeof(buf), "a%lldb", 0x1000000000LL); EXPECT_STREQ("a68719476736b", buf); __libc_format_buffer(buf, sizeof(buf), "a%ldb", 70000L); EXPECT_STREQ("a70000b", buf); __libc_format_buffer(buf, sizeof(buf), "a%pb", reinterpret_cast<void*>(0xb0001234)); EXPECT_STREQ("a0xb0001234b", buf); __libc_format_buffer(buf, sizeof(buf), "a%xz", 0x12ab); EXPECT_STREQ("a12abz", buf); __libc_format_buffer(buf, sizeof(buf), "a%Xz", 0x12ab); EXPECT_STREQ("a12ABz", buf); __libc_format_buffer(buf, sizeof(buf), "a%08xz", 0x123456); EXPECT_STREQ("a00123456z", buf); __libc_format_buffer(buf, sizeof(buf), "a%5dz", 1234); EXPECT_STREQ("a 1234z", buf); __libc_format_buffer(buf, sizeof(buf), "a%05dz", 1234); EXPECT_STREQ("a01234z", buf); __libc_format_buffer(buf, sizeof(buf), "a%8dz", 1234); EXPECT_STREQ("a 1234z", buf); __libc_format_buffer(buf, sizeof(buf), "a%-8dz", 1234); EXPECT_STREQ("a1234 z", buf); __libc_format_buffer(buf, sizeof(buf), "A%-11sZ", "abcdef"); EXPECT_STREQ("Aabcdef Z", buf); __libc_format_buffer(buf, sizeof(buf), "A%s:%dZ", "hello", 1234); EXPECT_STREQ("Ahello:1234Z", buf); __libc_format_buffer(buf, sizeof(buf), "a%03d:%d:%02dz", 5, 5, 5); EXPECT_STREQ("a005:5:05z", buf); void* p = NULL; __libc_format_buffer(buf, sizeof(buf), "a%d,%pz", 5, p); EXPECT_STREQ("a5,0x0z", buf); __libc_format_buffer(buf, sizeof(buf), "a%lld,%d,%d,%dz", 0x1000000000LL, 6, 7, 8); EXPECT_STREQ("a68719476736,6,7,8z", buf); #else // __BIONIC__ GTEST_LOG_(INFO) << "This test does nothing.\n"; #endif // __BIONIC__ }
TEST(libc_logging, lld_LLONG_MIN) { char buf[BUFSIZ]; __libc_format_buffer(buf, sizeof(buf), "%lld", LLONG_MIN); EXPECT_STREQ("-9223372036854775808", buf); }
TEST(libc_logging, d_INT_MIN) { char buf[BUFSIZ]; __libc_format_buffer(buf, sizeof(buf), "%d", INT_MIN); EXPECT_STREQ("-2147483648", buf); }