Cleanup: Move `debug-info` in its own sub-directory

[babeltrace.git] / plugins / lttng-utils / debug-info / utils.c

diff --git a/plugins/lttng-utils/debug-info/utils.c b/plugins/lttng-utils/debug-info/utils.c
new file mode 100644 (file)
index 0000000..d9c5fa5
--- /dev/null
+++ b/plugins/lttng-utils/debug-info/utils.c
@@ -0,0 +1,117 @@
+/*
+ * Babeltrace - Debug info utilities
+ *
+ * Copyright (c) 2016 Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * 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 "utils.h"
+
+BT_HIDDEN
+const char *get_filename_from_path(const char *path)
+{
+       size_t i = strlen(path);
+
+       if (i == 0) {
+               goto end;
+       }
+
+       if (path[i - 1] == '/') {
+               /*
+                * Path ends with a trailing slash, no filename to return.
+                * Return the original path.
+                */
+               goto end;
+       }
+
+       while (i-- > 0) {
+               if (path[i] == '/') {
+                       path = &path[i + 1];
+                       goto end;
+               }
+       }
+end:
+       return path;
+}
+
+BT_HIDDEN
+bt_bool is_event_common_ctx_dbg_info_compatible(const bt_field_class *in_field_class,
+               const char *debug_info_field_class_name)
+{
+       const bt_field_class_structure_member *member;
+       const bt_field_class *ip_fc, *vpid_fc;
+       bt_bool match = BT_FALSE;
+
+       /*
+        * If the debug info field is already present in the event common
+        * context. Do not try to add it.
+        */
+       member =
+               bt_field_class_structure_borrow_member_by_name_const(
+                       in_field_class, debug_info_field_class_name);
+       if (member) {
+               goto end;
+       }
+
+       /*
+        * Verify that the ip and vpid field are present and of the right field
+        * class.
+        */
+       member = bt_field_class_structure_borrow_member_by_name_const(
+                       in_field_class, IP_FIELD_NAME);
+       if (!member) {
+               goto end;
+       }
+
+       ip_fc = bt_field_class_structure_member_borrow_field_class_const(
+               member);
+       if (bt_field_class_get_type(ip_fc) !=
+                       BT_FIELD_CLASS_TYPE_UNSIGNED_INTEGER) {
+               match = BT_FALSE;
+               goto end;
+       }
+
+       if (bt_field_class_integer_get_field_value_range(ip_fc) != 64) {
+               goto end;
+       }
+
+       member = bt_field_class_structure_borrow_member_by_name_const(
+                       in_field_class, VPID_FIELD_NAME);
+       if (!member) {
+               goto end;
+       }
+
+       vpid_fc = bt_field_class_structure_member_borrow_field_class_const(
+               member);
+
+       if (bt_field_class_get_type(vpid_fc) !=
+                       BT_FIELD_CLASS_TYPE_SIGNED_INTEGER) {
+               goto end;
+       }
+
+       if (bt_field_class_integer_get_field_value_range(vpid_fc) != 32) {
+               goto end;
+       }
+
+       match = BT_TRUE;
+
+end:
+       return match;
+}