Fixes: #317
[ Edit by Mathieu Desnoyers: put successful return at end of function,
and error return with the test for error. ]
Signed-off-by: Julien Desfossez <jdesfossez@efficios.com>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
struct bt_ctf_event;
/*
- * bt_trace_handle_get_path : returns the path of a trace_handle.
+ * bt_trace_handle_get_path : returns the path of a trace_handle or NULL
+ * on error.
*/
const char *bt_trace_handle_get_path(struct bt_context *ctx, int handle_id);
/*
* bt_trace_handle_get_timestamp_begin : returns the creation time of the buffers
- * of a trace.
+ * of a trace or -1ULL on error.
*/
uint64_t bt_trace_handle_get_timestamp_begin(struct bt_context *ctx, int handle_id);
/*
* bt_trace_handle_get_timestamp_end : returns the destruction timestamp of the
- * buffers of a trace.
+ * buffers of a trace or -1ULL on error.
*/
uint64_t bt_trace_handle_get_timestamp_end(struct bt_context *ctx, int handle_id);
handle = g_hash_table_lookup(ctx->trace_handles,
(gpointer) (unsigned long) handle_id);
+ if (!handle)
+ return NULL;
return handle->path;
}
handle = g_hash_table_lookup(ctx->trace_handles,
(gpointer) (unsigned long) handle_id);
+ if (!handle)
+ return -1ULL;
return handle->timestamp_begin;
}
handle = g_hash_table_lookup(ctx->trace_handles,
(gpointer) (unsigned long) handle_id);
+ if (!handle)
+ return -1ULL;
return handle->timestamp_end;
}