[SYS-5571] Stop constructing string to check isManifest

rockset · Jul 10, 2023 · e52a902 · e52a902
1 parent bded6cd
commit e52a902
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/cloud/filename.h b/cloud/filename.h
@@ -6,6 +6,7 @@
 #include <functional>
 #include <string>
 #include <cstring>
+#include <folly/Range.h>
 
 //
 // These are inlined methods to deal with pathnames and filenames.
@@ -150,10 +151,10 @@ inline bool IsWalFile(const std::string& pathname) {
 
 inline bool IsManifestFile(const std::string& pathname) {
  // extract last component of the path
- std::string fname;
+ folly::StringPiece fname;
  size_t offset = pathname.find_last_of(pathsep);
  if (offset != std::string::npos) {
- fname = pathname.substr(offset + 1, pathname.size());
+ fname = folly::StringPiece(&pathname[offset + 1], pathname.end().base());
  } else {
  fname = pathname;
  }