Print "binary+offset" when function name can't be resolved

[babeltrace.git] / lib / utils.c

diff --git a/lib/utils.c b/lib/utils.c
new file mode 100644 (file)
index 0000000..259b160
--- /dev/null
+++ b/lib/utils.c
@@ -0,0 +1,52 @@
+/*
+ * 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 <babeltrace/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;
+}