merge file_exists_in_directory and _fileExistsInDirectory functions and move into common file dumputils.c

Mahendra Singh Thalor <mahi6run@gmail.com>

From: Mahendra Singh Thalor <mahi6run@gmail.com>
To: PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>
Cc: Andrew Dunstan <andrew@dunslane.net>
Date: 2025-04-10T17:11:33Z
Lists: pgsql-hackers

Attachments

Hi,
We have file_exists_in_directory function in pg_restore.c and same
code we are using in _fileExistsInDirectory function in pg_backup_archiver.c
also.
Here, I am attaching a patch to move these duplicate functions into
dumputils.c file

-- 
Thanks and Regards
Mahendra Singh Thalor
EnterpriseDB: http://www.enterprisedb.com