Fix casting away const-ness in pg_restore.c

This was intoduced in commit 763aaa06f03

per gripe from Peter Eistentrut.

Author: Mahendra Singh Thalor <mahi6run@gmail.com>

Slightly tweaked by me.

Discussion: https://postgr.es/m/016819c0-666e-42a8-bfc8-2b93fd8d0176@eisentraut.org

diff --git a/src/bin/pg_dump/pg_restore.c b/src/bin/pg_dump/pg_restore.c
index 14d886fc86e8f6ea70afd50eda40fe4c332ae67f..f85cab4dc8e76a20667149d9a23cd9487bb9209e 100644 (file)
--- a/src/bin/pg_dump/pg_restore.c
+++ b/src/bin/pg_dump/pg_restore.c
@@ -68,7 +68,7 @@ static int    restore_all_databases(const char *inputFileSpec,
 static int get_dbnames_list_to_restore(PGconn *conn,
                                        SimplePtrList *dbname_oid_list,
                                        SimpleStringList db_exclude_patterns);
-static int get_dbname_oid_list_from_mfile(char *dumpdirpath,
+static int get_dbname_oid_list_from_mfile(const char *dumpdirpatharg,
                                           SimplePtrList *dbname_oid_list);
 
 /*
@@ -1082,18 +1082,18 @@ get_dbnames_list_to_restore(PGconn *conn,
  * Returns, total number of database names in map.dat file.
  */
 static int
-get_dbname_oid_list_from_mfile(char *dumpdirpath, SimplePtrList *dbname_oid_list)
+get_dbname_oid_list_from_mfile(const char *dumpdirpatharg, SimplePtrList *dbname_oid_list)
 {
    StringInfoData linebuf;
    FILE       *pfile;
    char        map_file_path[MAXPGPATH];
    int         count = 0;
    int         len;
-
+   char       *dumpdirpath = pstrdup(dumpdirpatharg);
 
    /*
-    * If there is no map.dat file in dump, then return from here as there is
-    * no database to restore.
+    * If there is no map.dat file in the dump, then return from here as there
+    * is no database to restore.
     */
    if (!file_exists_in_directory(dumpdirpath, "map.dat"))
    {
@@ -1206,7 +1206,7 @@ restore_all_databases(const char *inputFileSpec,
    if (opts->cparams.dbname)
        connected_db = opts->cparams.dbname;
 
-   num_total_db = get_dbname_oid_list_from_mfile((char *) inputFileSpec, &dbname_oid_list);
+   num_total_db = get_dbname_oid_list_from_mfile(inputFileSpec, &dbname_oid_list);
 
    pg_log_info(ngettext("found %d database name in \"%s\"",
                         "found %d database names in \"%s\"",