liblog: convert to C++
Bug: 119867234
Test: liblog, logcat, logd unit tests
Change-Id: I2a33b6fc37f9860c0041e3573bfb59ea389f623c
diff --git a/liblog/uio.cpp b/liblog/uio.cpp
new file mode 100644
index 0000000..05145d7
--- /dev/null
+++ b/liblog/uio.cpp
@@ -0,0 +1,73 @@
+/*
+ * Copyright (C) 2007-2014 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#if defined(_WIN32)
+
+#include <unistd.h>
+
+#include <log/uio.h>
+
+#include "log_portability.h"
+
+LIBLOG_ABI_PUBLIC int readv(int fd, struct iovec* vecs, int count) {
+ int total = 0;
+
+ for (; count > 0; count--, vecs++) {
+ char* buf = static_cast<char*>(vecs->iov_base);
+ int len = vecs->iov_len;
+
+ while (len > 0) {
+ int ret = read(fd, buf, len);
+ if (ret < 0) {
+ if (total == 0) total = -1;
+ goto Exit;
+ }
+ if (ret == 0) goto Exit;
+
+ total += ret;
+ buf += ret;
+ len -= ret;
+ }
+ }
+Exit:
+ return total;
+}
+
+LIBLOG_ABI_PUBLIC int writev(int fd, const struct iovec* vecs, int count) {
+ int total = 0;
+
+ for (; count > 0; count--, vecs++) {
+ const char* buf = static_cast<const char*>(vecs->iov_base);
+ int len = vecs->iov_len;
+
+ while (len > 0) {
+ int ret = write(fd, buf, len);
+ if (ret < 0) {
+ if (total == 0) total = -1;
+ goto Exit;
+ }
+ if (ret == 0) goto Exit;
+
+ total += ret;
+ buf += ret;
+ len -= ret;
+ }
+ }
+Exit:
+ return total;
+}
+
+#endif