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-rw-r--r--contrib/pg_upgrade/option.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/contrib/pg_upgrade/option.c b/contrib/pg_upgrade/option.c
index 960fcdace72..94bce505cb6 100644
--- a/contrib/pg_upgrade/option.c
+++ b/contrib/pg_upgrade/option.c
@@ -276,6 +276,7 @@ or\n"), old_cluster.port, new_cluster.port, os_info.user);
*
* Checks a directory option.
* dirpath - the directory name supplied on the command line
+ * configpath - optional configuration directory
* envVarName - the name of an environment variable to get if dirpath is NULL
* cmdLineOption - the command line option corresponds to this directory (-o, -O, -n, -N)
* description - a description of this directory option
@@ -305,7 +306,8 @@ check_required_directory(char **dirpath, char **configpath,
}
/*
- * Trim off any trailing path separators
+ * Trim off any trailing path separators because we construct paths
+ * by appending to this path.
*/
#ifndef WIN32
if ((*dirpath)[strlen(*dirpath) - 1] == '/')