From: Timo Sirainen <timo.sirainen@dovecot.fi>
Date: Wed, 15 Aug 2018 13:33:49 +0000 (+0300)
Subject: lib: Add event_inc_int()
X-Git-Tag: 2.3.9~1556
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=12927b843387b2a93fcf1d2e05df7c79af06e567;p=thirdparty%2Fdovecot%2Fcore.git

lib: Add event_inc_int()

This can be useful when updating counter fields.
---

diff --git a/src/lib/lib-event.c b/src/lib/lib-event.c
index 416e6b56dd..dd331e9040 100644
--- a/src/lib/lib-event.c
+++ b/src/lib/lib-event.c
@@ -419,6 +419,19 @@ event_add_int(struct event *event, const char *key, intmax_t num)
 	return event;
 }
 
+struct event *
+event_inc_int(struct event *event, const char *key, intmax_t num)
+{
+	struct event_field *field;
+
+	field = event_find_field_int(event, key);
+	if (field == NULL || field->value_type != EVENT_FIELD_VALUE_TYPE_INTMAX)
+		return event_add_int(event, key, num);
+
+	field->value.intmax += num;
+	return event;
+}
+
 struct event *
 event_add_timeval(struct event *event, const char *key,
 		  const struct timeval *tv)
diff --git a/src/lib/lib-event.h b/src/lib/lib-event.h
index cd4a84abdb..aeb56ac686 100644
--- a/src/lib/lib-event.h
+++ b/src/lib/lib-event.h
@@ -167,6 +167,10 @@ struct event *
 event_add_str(struct event *event, const char *key, const char *value);
 struct event *
 event_add_int(struct event *event, const char *key, intmax_t num);
+/* Increase the key's value. If it's not set or isn't an integer type,
+   initialize the value to num. */
+struct event *
+event_inc_int(struct event *event, const char *key, intmax_t num);
 struct event *
 event_add_timeval(struct event *event, const char *key,
 		  const struct timeval *tv);