Implement try_mkdir_p()

2 files changed, 20 insertions, 0 deletions

diff --git a/butl/filesystem b/butl/filesystem
index 4d0b7ef..63b19ff 100644
--- a/butl/filesystem
+++ b/butl/filesystem
@@ -56,6 +56,12 @@ namespace butl
   mkdir_status
   try_mkdir (const path&, mode_t = 0777);
 
+  // The '-p' version of the above (i.e., it creates the parent
+  // directories if necessary).
+  //
+  mkdir_status
+  try_mkdir_p (const path&, mode_t = 0777);
+
   // Try to remove the directory returning not_exist if it does not
   // exist and not_empty if it is not empty. All other errors are
   // reported by throwing std::system_error.
diff --git a/butl/filesystem.cxx b/butl/filesystem.cxx
index 4cf60b2..c65d591 100644
--- a/butl/filesystem.cxx
+++ b/butl/filesystem.cxx
@@ -108,6 +108,20 @@ namespace butl
     return r;
   }
 
+  mkdir_status
+  try_mkdir_p (const path& p, mode_t m)
+  {
+    if (!p.root ())
+    {
+      path d (p.directory ());
+
+      if (!dir_exists (d))
+        try_mkdir_p (d, m);
+    }
+
+    return try_mkdir (p, m);
+  }
+
   rmdir_status
   try_rmdir (const path& p)
   {