Fix: accept empty metadata on append

[babeltrace.git] / formats / ctf / ctf.c

diff --git a/formats/ctf/ctf.c b/formats/ctf/ctf.c
index 19ecfdc2ba87cd6143af0c5685a68c297ea67acf..4c64c930da1a4e1e60ccc32642d26286e32d3e97 100644 (file)
--- a/formats/ctf/ctf.c
+++ b/formats/ctf/ctf.c
@@ -1238,8 +1238,6 @@ int ctf_trace_metadata_read(struct ctf_trace *td, FILE *metadata_fp,
        if (packet_metadata(td, fp)) {
                ret = ctf_trace_metadata_stream_read(td, &fp, &buf);
                if (ret) {
-                       /* Warn about empty metadata */
-                       fprintf(stderr, "[warning] Empty metadata.\n");
                        goto end;
                }
                td->metadata_string = buf;
@@ -2096,6 +2094,9 @@ int ctf_open_trace_read(struct ctf_trace *td,
        ret = ctf_trace_metadata_read(td, metadata_fp, scanner, 0);
        ctf_scanner_free(scanner);
        if (ret) {
+               if (ret == -ENOENT) {
+                       fprintf(stderr, "[warning] Empty metadata.\n");
+               }
                fprintf(stderr, "[warning] Unable to open trace metadata for path \"%s\".\n", path);
                goto error_metadata;
        }
@@ -2313,6 +2314,9 @@ int ctf_open_mmap_trace_read(struct ctf_trace *td,
        }
        ret = ctf_trace_metadata_read(td, metadata_fp, td->scanner, 0);
        if (ret) {
+               if (ret == -ENOENT) {
+                       fprintf(stderr, "[warning] Empty metadata.\n");
+               }
                goto error;
        }