implement LOG_EVENT_STRING
Implement LOG_EVENT_STRING, so that native code can create new
event log entries. This is needed to support logging SELinux denials
to the event log.
Change-Id: I6a269a832bc2f5e5da6c9dbd169ed2f901b49166
diff --git a/liblog/logd_write_kern.c b/liblog/logd_write_kern.c
index 1d10748..1ed5ecf 100644
--- a/liblog/logd_write_kern.c
+++ b/liblog/logd_write_kern.c
@@ -317,3 +317,25 @@
return write_to_log(LOG_ID_EVENTS, vec, 3);
}
+
+/*
+ * Like __android_log_bwrite, but used for writing strings to the
+ * event log.
+ */
+int __android_log_bswrite(int32_t tag, const char *payload)
+{
+ struct iovec vec[4];
+ char type = EVENT_TYPE_STRING;
+ uint32_t len = strlen(payload);
+
+ vec[0].iov_base = &tag;
+ vec[0].iov_len = sizeof(tag);
+ vec[1].iov_base = &type;
+ vec[1].iov_len = sizeof(type);
+ vec[2].iov_base = &len;
+ vec[2].iov_len = sizeof(len);
+ vec[3].iov_base = (void*)payload;
+ vec[3].iov_len = len;
+
+ return write_to_log(LOG_ID_EVENTS, vec, 4);
+}