add new list type simple_oid_string_list to fe-utils/simple_list

This type contains both an oid and a string.

This will be used in forthcoming changes to pg_restore.

Author: Andrew Dunstan <andrew@dunslane.net>

src/fe_utils/simple_list.c

@@ -192,3 +192,44 @@ simple_ptr_list_destroy(SimplePtrList *list)
 		cell = next;
 	}
 }
+
+/*
+ * Add to an oid_string list
+ */
+void
+simple_oid_string_list_append(SimpleOidStringList *list, Oid oid, const char *str)
+{
+	SimpleOidStringListCell *cell;
+
+	cell = (SimpleOidStringListCell *)
+		pg_malloc(offsetof(SimpleOidStringListCell, str) + strlen(str) + 1);
+
+	cell->next = NULL;
+	cell->oid = oid;
+	strcpy(cell->str, str);
+
+	if (list->tail)
+		list->tail->next = cell;
+	else
+		list->head = cell;
+	list->tail = cell;
+}
+
+/*
+ * Destroy an oid_string list
+ */
+void
+simple_oid_string_list_destroy(SimpleOidStringList *list)
+{
+	SimpleOidStringListCell *cell;
+
+	cell = list->head;
+	while (cell != NULL)
+	{
+		SimpleOidStringListCell *next;
+
+		next = cell->next;
+		pg_free(cell);
+		cell = next;
+	}
+}

src/include/fe_utils/simple_list.h

@@ -55,6 +55,19 @@ typedef struct SimplePtrList
 	SimplePtrListCell *tail;
 } SimplePtrList;
 
+typedef struct SimpleOidStringListCell
+{
+	struct SimpleOidStringListCell *next;
+	Oid			oid;
+	char		str[FLEXIBLE_ARRAY_MEMBER]; /* null-terminated string here */
+}			SimpleOidStringListCell;
+
+typedef struct SimpleOidStringList
+{
+	SimpleOidStringListCell *head;
+	SimpleOidStringListCell *tail;
+} SimpleOidStringList;
+
 extern void simple_oid_list_append(SimpleOidList *list, Oid val);
 extern bool simple_oid_list_member(SimpleOidList *list, Oid val);
 extern void simple_oid_list_destroy(SimpleOidList *list);
@@ -68,4 +81,7 @@ extern const char *simple_string_list_not_touched(SimpleStringList *list);
 extern void simple_ptr_list_append(SimplePtrList *list, void *ptr);
 extern void simple_ptr_list_destroy(SimplePtrList *list);
 
+extern void simple_oid_string_list_append(SimpleOidStringList *list, Oid oid, const char *str);
+extern void simple_oid_string_list_destroy(SimpleOidStringList *list);
+
 #endif							/* SIMPLE_LIST_H */

src/tools/pgindent/typedefs.list

@@ -2747,6 +2747,8 @@ SimpleActionListCell
 SimpleEcontextStackEntry
 SimpleOidList
 SimpleOidListCell
+SimpleOidStringList
+SimpleOidListStringCell
 SimplePtrList
 SimplePtrListCell
 SimpleStats