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-rw-r--r--inet/netgroup.h29
1 files changed, 29 insertions, 0 deletions
diff --git a/inet/netgroup.h b/inet/netgroup.h
index 746cd9eaad..d773d8a7ce 100644
--- a/inet/netgroup.h
+++ b/inet/netgroup.h
@@ -20,6 +20,16 @@ Boston, MA 02111-1307, USA. */
#ifndef _NETGROUP_H
#define _NETGROUP_H 1
+/* A netgroup can consist of names of other netgroups. We have to
+ track which netgroups were read and which still have to be read. */
+struct name_list
+{
+ const char *name;
+ struct name_list *next;
+};
+
+
+/* Dataset for iterating netgroups. */
struct __netgrent
{
enum { triple_val, group_val } type;
@@ -36,6 +46,25 @@ struct __netgrent
const char *group;
} val;
+
+ /* Room for the data kept between the calls to the netgroup
+ functions. We must avoid global variables. */
+ char *data;
+ size_t data_size;
+ char *cursor;
+ int first;
+
+ struct name_list *known_groups;
+ struct name_list *needed_groups;
};
+
+/* The internal netgroup handling functions might be called from outside. */
+extern int __internal_setnetgrent (const char *group,
+ struct __netgrent *datap);
+extern void __internal_endnetgrent (struct __netgrent *datap);
+extern int __internal_getnetgrent_r (char **hostp, char **userp,
+ char **domainp, struct __netgrent *datap,
+ char *buffer, size_t buflen);
+
#endif /* netgroup.h */