Initial import.
diff --git a/src/core/support/log_android.c b/src/core/support/log_android.c
new file mode 100644
index 0000000..9e2b034
--- /dev/null
+++ b/src/core/support/log_android.c
@@ -0,0 +1,86 @@
+/*
+ *
+ * Copyright 2014, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <grpc/support/port_platform.h>
+
+#ifdef GPR_ANDROID
+
+#include <grpc/support/log.h>
+#include <grpc/support/time.h>
+#include <stdio.h>
+#include <stdarg.h>
+#include <string.h>
+#include <android/log.h>
+
+static android_LogPriority severity_to_log_priority(gpr_log_severity severity) {
+ switch (severity) {
+ case GPR_LOG_SEVERITY_DEBUG:
+ return ANDROID_LOG_DEBUG;
+ case GPR_LOG_SEVERITY_INFO:
+ return ANDROID_LOG_INFO;
+ case GPR_LOG_SEVERITY_ERROR:
+ return ANDROID_LOG_ERROR;
+ }
+ return ANDROID_LOG_DEFAULT;
+}
+
+void gpr_log(const char *file, int line, gpr_log_severity severity,
+ const char *format, ...) {
+ char *final_slash;
+ const char *display_file;
+ char *prefix = NULL;
+ char *suffix = NULL;
+ char *output = NULL;
+ va_list args;
+ va_start(args, format);
+
+ final_slash = strrchr(file, '/');
+ if (final_slash == NULL)
+ display_file = file;
+ else
+ display_file = final_slash + 1;
+
+ asprintf(&prefix, "%s:%d] ", display_file, line);
+ vasprintf(&suffix, format, args);
+ asprintf(&output, "%s%s", prefix, suffix);
+ va_end(args);
+
+ __android_log_write(severity_to_log_priority(severity), "GRPC", output);
+
+ /* allocated by asprintf => use free, not gpr_free */
+ free(prefix);
+ free(suffix);
+ free(output);
+}
+
+#endif /* GPR_ANDROID */