Don't die in case of messages lacking priority in first byte

[framework/system/dlog.git] / logprint.c

diff --git a/logprint.c b/logprint.c
index 64a1f9a..dfae037 100755 (executable)
--- a/logprint.c
+++ b/logprint.c
@@ -336,13 +336,27 @@ int log_process_log_buffer(struct logger_entry *buf,log_entry *entry)
 
     entry->tv_sec = buf->sec;
     entry->tv_nsec = buf->nsec;
-    entry->priority = buf->msg[0];
     entry->pid = buf->pid;
     entry->tid = buf->tid;
-    entry->tag = buf->msg + 1;
-    tag_len = strlen(entry->tag);
-    entry->messageLen = buf->len - tag_len - 3;
-    entry->message = entry->tag + tag_len + 1;
+
+    if (buf->msg[0] < 0 || buf->msg[0] > DLOG_SILENT) { /* char can be signed too */
+
+        /* There is no tag in this message - which is an error, but it might
+         * happen when sombody redirects stdout/err to /dev/log_*.
+         *
+         * Pick ERROR priority as this shouldn't happen.
+         */
+        entry->priority = DLOG_ERROR;
+        entry->tag = "[NO TAG]";
+        entry->messageLen = buf->len;
+        entry->message = buf->msg;
+    } else {
+        entry->priority = buf->msg[0];
+        entry->tag = buf->msg + 1;
+        tag_len = strlen(entry->tag);
+        entry->messageLen = buf->len - tag_len - 3;
+        entry->message = entry->tag + tag_len + 1;
+    }
 
     return 0;
 }