Rename FL/fl_string.h to FL/fl_string_functions.h

This is part 1 of the final fix for a previous name clash on case
insensitive file systems (fl_string.h vs. Fl_String.H).

1 files changed, 34 insertions, 0 deletions

diff --git a/src/fl_string_functions.cxx b/src/fl_string_functions.cxx
new file mode 100644
index 000000000..6b7fcead7
--- /dev/null
+++ b/src/fl_string_functions.cxx
@@ -0,0 +1,34 @@
+/*
+ * Platform agnostic string portability functions for the Fast Light Tool Kit (FLTK).
+ *
+ * Copyright 2020 by Bill Spitzak and others.
+ *
+ * This library is free software. Distribution and use rights are outlined in
+ * the file "COPYING" which should have been included with this file.  If this
+ * file is missing or damaged, see the license at:
+ *
+ *     https://www.fltk.org/COPYING.php
+ *
+ * Please see the following page on how to report bugs and issues:
+ *
+ *     https://www.fltk.org/bugs.php
+ */
+
+#include <FL/fl_string_functions.h>
+#include <string.h>  // strdup/_strdup
+#include "Fl_System_Driver.H"
+
+/**
+  Cross platform interface to POSIX function strdup().
+
+  The fl_strdup() function returns a pointer to a new string which is
+  a duplicate of the string 's'. Memory for the new string is obtained
+  with malloc(3), and can be freed with free(3).
+
+  Implementation:
+    - POSIX: strdup()
+    - WinAPI: _strdup()
+ */
+char *fl_strdup(const char *s) {
+  return Fl::system_driver()->strdup(s);
+}