Adding rcutils_norm_path function

Author: ruffsl

include/rcutils/filesystem.h

@@ -126,6 +126,12 @@ rcutils_join_path(
   const char * right_hand_path,
   rcutils_allocator_t allocator);
 
+RCUTILS_PUBLIC
+char *
+rcutils_norm_path(
+  const char * path,
+  rcutils_allocator_t allocator);
+
 #ifdef __cplusplus
 }
 #endif

src/filesystem.c

@@ -29,6 +29,7 @@ extern "C"
 #endif  // _WIN32
 
 #include "rcutils/format_string.h"
+#include "rcutils/repl_str.h"
 
 bool
 rcutils_get_cwd(char * buffer, size_t max_length)
@@ -161,6 +162,24 @@ rcutils_join_path(
   return rcutils_format_string(allocator, "%s%s%s", left_hand_path, delimiter, right_hand_path);
 }
 
+char *
+rcutils_norm_path(
+  const char * path,
+  rcutils_allocator_t allocator)
+{
+  if (NULL == path) {
+    return NULL;
+  }
+
+#ifdef  _WIN32
+  const char * delimiter = "\\";
+#else
+  const char * delimiter = "/";
+#endif  // _WIN32
+
+  return rcutils_repl_str(path, "/", delimiter, &allocator);
+}
+
 #ifdef __cplusplus
 }
 #endif