From: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Date: Tue, 24 Apr 2012 15:50:43 +0000 (-0400)
Subject: Fix: return an error if no trace can be opened
X-Git-Tag: v1.0.0-rc2~1
X-Git-Url: http://git.efficios.com/?p=babeltrace.git;a=commitdiff_plain;h=27cd3890b5ad7975669cf3ec3f7d575aa1e55c67

Fix: return an error if no trace can be opened

Fixes #222

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
---

diff --git a/converter/babeltrace.c b/converter/babeltrace.c
index 11c10cf8..c377935e 100644
--- a/converter/babeltrace.c
+++ b/converter/babeltrace.c
@@ -400,10 +400,15 @@ int bt_context_add_traces_recursive(struct bt_context *ctx, const char *path,
 		}
 	}
 
-	g_array_free(trace_ids, TRUE);
-	return ret;
-
 error:
+	/*
+	 * Return an error if no trace can be opened.
+	 */
+	if (ret == 0 && trace_ids->len == 0) {
+		fprintf(stderr, "[error] Cannot open any trace for reading.\n\n");
+		ret = -ENOENT;
+	}
+	g_array_free(trace_ids, TRUE);
 	return ret;
 }