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-rw-r--r--nix/libutil/util.hh6
1 files changed, 4 insertions, 2 deletions
diff --git a/nix/libutil/util.hh b/nix/libutil/util.hh
index 6a6e07c478..9e3c14bdd4 100644
--- a/nix/libutil/util.hh
+++ b/nix/libutil/util.hh
@@ -94,10 +94,12 @@ void writeLine(int fd, string s);
/* Delete a path; i.e., in the case of a directory, it is deleted
recursively. Don't use this at home, kids. The second variant
- returns the number of bytes and blocks freed. */
+ returns the number of bytes and blocks freed, and 'linkThreshold' denotes
+ the number of links under which a file is accounted for in 'bytesFreed'. */
void deletePath(const Path & path);
-void deletePath(const Path & path, unsigned long long & bytesFreed);
+void deletePath(const Path & path, unsigned long long & bytesFreed,
+ size_t linkThreshold = 1);
/* Create a temporary directory. */
Path createTempDir(const Path & tmpRoot = "", const Path & prefix = "nix",