break fs.hpp up into separate files

src/fs_realpathize.cpp

@@ -0,0 +1,42 @@
+/*
+  ISC License
+
+  Copyright (c) 2020, Antonio SJ Musumeci <trapexit@spawn.link>
+
+  Permission to use, copy, modify, and/or distribute this software for any
+  purpose with or without fee is hereby granted, provided that the above
+  copyright notice and this permission notice appear in all copies.
+
+  THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+  WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+  MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+  ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+*/
+
+#include "fs_base_realpath.hpp"
+
+#include <string>
+#include <vector>
+
+namespace fs
+{
+  void
+  realpathize(std::vector<std::string> *strs_)
+  {
+    char *rv;
+
+    for(size_t i = 0; i < strs_->size(); i++)
+      {
+        rv = fs::realpath((*strs_)[i]);
+        if(rv == NULL)
+          continue;
+
+        (*strs_)[i] = rv;
+
+        ::free(rv);
+      }
+  }
+}