From 7b3e0e0cf3eddd3537455a3605b04a48ee663f47 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?louiz=E2=80=99?= <louiz@louiz.org>
Date: Sun, 30 Apr 2017 15:04:40 +0200
Subject: =?UTF-8?q?Make=20botan=E2=80=99s=20policy=20configurable=20from?=
 =?UTF-8?q?=20a=20file?=
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fix #3244
---
 src/utils/dirname.cpp | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100644 src/utils/dirname.cpp

(limited to 'src/utils/dirname.cpp')

diff --git a/src/utils/dirname.cpp b/src/utils/dirname.cpp
new file mode 100644
index 0000000..71c9c38
--- /dev/null
+++ b/src/utils/dirname.cpp
@@ -0,0 +1,16 @@
+#include <utils/dirname.hpp>
+
+namespace utils
+{
+    std::string dirname(const std::string filename)
+    {
+      if (filename.empty())
+        return "./";
+      if (filename == ".." || filename == ".")
+        return filename;
+      auto pos = filename.rfind('/');
+      if (pos == std::string::npos)
+        return "./";
+      return filename.substr(0, pos + 1);
+    }
+}
-- 
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