Add missing permission notice in each source file

[babeltrace.git] / lib / trace-handle.c

diff --git a/lib/trace-handle.c b/lib/trace-handle.c
index 6ba3ec208806540e774c784eef151999c12e1c40..0da565b02000e230eb9322dbc34bc3dffe5c0f5e 100644 (file)
--- a/lib/trace-handle.c
+++ b/lib/trace-handle.c
@@ -17,6 +17,14 @@
  *
  * The above copyright notice and this permission notice shall be included in
  * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
  */
 
 #include <stdint.h>
@@ -31,6 +39,9 @@ struct bt_trace_handle *bt_trace_handle_create(struct bt_context *ctx)
 {
        struct bt_trace_handle *th;
 
+       if (!ctx)
+               return NULL;
+
        th = g_new0(struct bt_trace_handle, 1);
        th->id = ctx->last_trace_handle_id++;
        return th;
@@ -38,11 +49,15 @@ struct bt_trace_handle *bt_trace_handle_create(struct bt_context *ctx)
 
 void bt_trace_handle_destroy(struct bt_trace_handle *th)
 {
+       th->format->close_trace(th->td);
        g_free(th);
 }
 
 int bt_trace_handle_get_id(struct bt_trace_handle *th)
 {
+       if (!th)
+               return -1;
+
        return th->id;
 }
 
@@ -50,25 +65,66 @@ const char *bt_trace_handle_get_path(struct bt_context *ctx, int handle_id)
 {
        struct bt_trace_handle *handle;
 
+       if (!ctx)
+               return NULL;
+
        handle = g_hash_table_lookup(ctx->trace_handles,
                        (gpointer) (unsigned long) handle_id);
+       if (!handle)
+               return NULL;
        return handle->path;
 }
 
-uint64_t bt_trace_handle_get_timestamp_begin(struct bt_context *ctx, int handle_id)
+uint64_t bt_trace_handle_get_timestamp_begin(struct bt_context *ctx,
+               int handle_id, enum bt_clock_type type)
 {
        struct bt_trace_handle *handle;
+       uint64_t ret;
+
+       if (!ctx)
+               return -1ULL;
 
        handle = g_hash_table_lookup(ctx->trace_handles,
                        (gpointer) (unsigned long) handle_id);
-       return handle->timestamp_begin;
+       if (!handle) {
+               ret = -1ULL;
+               goto end;
+       }
+       if (type == BT_CLOCK_REAL) {
+               ret = handle->real_timestamp_begin;
+       } else if (type == BT_CLOCK_CYCLES) {
+               ret = handle->cycles_timestamp_begin;
+       } else {
+               ret = -1ULL;
+       }
+
+end:
+       return ret;
 }
 
-uint64_t bt_trace_handle_get_timestamp_end(struct bt_context *ctx, int handle_id)
+uint64_t bt_trace_handle_get_timestamp_end(struct bt_context *ctx,
+               int handle_id, enum bt_clock_type type)
 {
        struct bt_trace_handle *handle;
+       uint64_t ret;
+
+       if (!ctx)
+               return -1ULL;
 
        handle = g_hash_table_lookup(ctx->trace_handles,
                        (gpointer) (unsigned long) handle_id);
-       return handle->timestamp_end;
+       if (!handle) {
+               ret = -1ULL;
+               goto end;
+       }
+       if (type == BT_CLOCK_REAL) {
+               ret = handle->real_timestamp_end;
+       } else if (type == BT_CLOCK_CYCLES) {
+               ret = handle->cycles_timestamp_end;
+       } else {
+               ret = -1ULL;
+       }
+
+end:
+       return ret;
 }