To support files that do not have a simple unique key implement
commonio_append to allow new entries to be added.
Signed-off-by: "Eric W. Biederman" <ebiederm@xxxxxxxxxxxx>
---
lib/commonio.c | 30 ++++++++++++++++++++++++++++++
lib/commonio.h | 1 +
2 files changed, 31 insertions(+), 0 deletions(-)
diff --git a/lib/commonio.c b/lib/commonio.c
index 6b6ce7b..7a76975 100644
--- a/lib/commonio.c
+++ b/lib/commonio.c
@@ -1113,6 +1113,36 @@ int commonio_update (struct commonio_db *db, const void *eptr)
return 1;
}
+int commonio_append (struct commonio_db *db, const void *eptr)
+{
+ struct commonio_entry *p;
+ void *nentry;
+
+ if (!db->isopen || db->readonly) {
+ errno = EINVAL;
+ return 0;
+ }
+ nentry = db->ops->dup (eptr);
+ if (NULL == nentry) {
+ errno = ENOMEM;
+ return 0;
+ }
+ /* new entry */
+ p = (struct commonio_entry *) malloc (sizeof *p);
+ if (NULL == p) {
+ db->ops->free (nentry);
+ errno = ENOMEM;
+ return 0;
+ }
+
+ p->eptr = nentry;
+ p->line = NULL;
+ p->changed = true;
+ add_one_entry (db, p);
+
+ db->changed = true;
+ return 1;
+}
void commonio_del_entry (struct commonio_db *db, const struct commonio_entry *p)
{
diff --git a/lib/commonio.h b/lib/commonio.h
index a1117a8..1866b89 100644
--- a/lib/commonio.h
+++ b/lib/commonio.h
@@ -146,6 +146,7 @@ extern int commonio_lock_nowait (struct commonio_db *, bool log);
extern int commonio_open (struct commonio_db *, int);
extern /*@observer@*/ /*@null@*/const void *commonio_locate (struct commonio_db *, const char *);
extern int commonio_update (struct commonio_db *, const void *);
+extern int commonio_append (struct commonio_db *, const void *);
extern int commonio_remove (struct commonio_db *, const char *);
extern int commonio_rewind (struct commonio_db *);
extern /*@observer@*/ /*@null@*/const void *commonio_next (struct commonio_db *);
--
1.7.5.4
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