- if (pathname_.c_str() == nullptr) {
- pathname_ = "";
- return;
- }
- const char* src = pathname_.c_str();
- char* const dest = new char[pathname_.length() + 1];
- char* dest_ptr = dest;
- memset(dest_ptr, 0, pathname_.length() + 1);
-
- while (*src != '\0') {
- *dest_ptr = *src;
- if (!IsPathSeparator(*src)) {
- src++;
+ auto out = pathname_.begin();
+
+ for (const char character : pathname_) {
+ if (!IsPathSeparator(character)) {
+ *(out++) = character;
+ } else if (out == pathname_.begin() || *std::prev(out) != kPathSeparator) {
+ *(out++) = kPathSeparator;