lib/Support/Path.cpp

249 static StringRef getDirnameCharSep(StringRef path, const char *Sep) {
250   assert(Sep[0] != '\0' && Sep[1] == '\0' &&
251          "Sep must be a 1-character string literal.");
260   while (pos >= 0 && path[pos] == Sep[0])
264     return path[0] == Sep[0] ? Sep : ".";
269   while (i < pos && path[i] != Sep[0])
276   while (pos >= 0 && path[pos] != Sep[0])
280   while (pos >= 0 && path[pos] == Sep[0])
284     return path[0] == Sep[0] ? Sep : ".";