From bda598b93a531da9d38123297b4619a7e09012f2 Mon Sep 17 00:00:00 2001
From: Denis Kenzior <denkenz@gmail.com>
Date: Tue, 14 Jul 2009 13:47:22 -0500
Subject: [PATCH] Refactor EONS to have lac / non-lac versions

PNN/OPL database has fields which provide global operator naming,
or specific to a cell range.  The cell range can only be obtained
if the operator is the current one.
---
 src/simutil.c | 25 ++++++++++++++++++++++---
 src/simutil.h |  6 +++++-
 2 files changed, 27 insertions(+), 4 deletions(-)

diff --git a/src/simutil.c b/src/simutil.c
index 2b22c329..3f00b1b4 100644
--- a/src/simutil.c
+++ b/src/simutil.c
@@ -328,9 +328,10 @@ static gint opl_operator_compare(gconstpointer a, gconstpointer b)
 {
 }
 
-struct sim_eons_operator_info *sim_eons_lookup(struct sim_eons *eons,
-						const char *mcc,
-						const char *mnc, guint16 lac)
+static struct sim_eons_operator_info *
+	sim_eons_lookup_common(struct sim_eons *eons,
+				const char *mcc, const char *mnc,
+				gboolean have_lac, guint16 lac)
 {
 	GSList *l;
 	const struct opl_operator *opl;
@@ -352,6 +353,9 @@ struct sim_eons_operator_info *sim_eons_lookup(struct sim_eons *eons,
 		if (opl->lac_tac_low == 0 && opl->lac_tac_high == 0xfffe)
 			break;
 
+		if (have_lac == FALSE)
+			continue;
+
 		if ((lac >= opl->lac_tac_low) && (lac <= opl->lac_tac_high))
 			break;
 	}
@@ -367,3 +371,18 @@ struct sim_eons_operator_info *sim_eons_lookup(struct sim_eons *eons,
 
 	return &eons->pnn_list[opl->id - 1];
 }
+
+struct sim_eons_operator_info *sim_eons_lookup(struct sim_eons *eons,
+						const char *mcc,
+						const char *mnc)
+{
+	return sim_eons_lookup_common(eons, mcc, mnc, FALSE, 0);
+}
+
+struct sim_eons_operator_info *sim_eons_lookup_with_lac(struct sim_eons *eons,
+							const char *mcc,
+							const char *mnc,
+							guint16 lac)
+{
+	return sim_eons_lookup_common(eons, mcc, mnc, TRUE, lac);
+}
diff --git a/src/simutil.h b/src/simutil.h
index dcabc37f..fb0a1b8e 100644
--- a/src/simutil.h
+++ b/src/simutil.h
@@ -56,9 +56,13 @@ gboolean sim_eons_pnn_is_empty(struct sim_eons *eons);
 void sim_eons_add_opl_record(struct sim_eons *eons,
 				const guint8 *tlv, int length);
 void sim_eons_optimize(struct sim_eons *eons);
+struct sim_eons_operator_info *sim_eons_lookup_with_lac(struct sim_eons *eons,
+							const char *mcc,
+							const char *mnc,
+							guint16 lac);
 struct sim_eons_operator_info *sim_eons_lookup(struct sim_eons *eons,
 						const char *mcc,
-						const char *mnc, guint16 lac);
+						const char *mnc);
 void sim_eons_free(struct sim_eons *eons);
 
 struct sim_spdi *sim_spdi_new(const guint8 *tlv, int length);