From 3377cd7e180959f3265d0b91f630bbb73436bb09 Mon Sep 17 00:00:00 2001
From: Thomas Haller <thaller@redhat.com>
Date: Tue, 12 May 2015 11:29:29 +0200
Subject: [PATCH] libnm: add _nm_utils_ptrarray_find_first() utility function

---
 libnm-core/nm-core-internal.h |  2 ++
 libnm-core/nm-utils.c         | 26 ++++++++++++++++++++++++++
 2 files changed, 28 insertions(+)

diff --git a/libnm-core/nm-core-internal.h b/libnm-core/nm-core-internal.h
index 76dc9355ca..27288df022 100644
--- a/libnm-core/nm-core-internal.h
+++ b/libnm-core/nm-core-internal.h
@@ -112,6 +112,8 @@ GPtrArray *_nm_utils_copy_array (const GPtrArray *array,
                                  GDestroyNotify free_func);
 GPtrArray *_nm_utils_copy_object_array (const GPtrArray *array);
 
+gssize _nm_utils_ptrarray_find_first (gpointer *list, gssize len, gconstpointer needle);
+
 gboolean    _nm_utils_string_in_list   (const char *str,
                                         const char **valid_strings);
 
diff --git a/libnm-core/nm-utils.c b/libnm-core/nm-utils.c
index 4a02c98c6e..8ce59b0eeb 100644
--- a/libnm-core/nm-utils.c
+++ b/libnm-core/nm-utils.c
@@ -631,6 +631,32 @@ _nm_utils_copy_object_array (const GPtrArray *array)
 	return _nm_utils_copy_array (array, g_object_ref, g_object_unref);
 }
 
+/* have @list of type 'gpointer *' instead of 'gconstpointer *' to
+ * reduce the necessity for annoying const-casts. */
+gssize
+_nm_utils_ptrarray_find_first (gpointer *list, gssize len, gconstpointer needle)
+{
+	gssize i;
+
+	if (len == 0)
+		return -1;
+
+	if (len > 0) {
+		g_return_val_if_fail (list, -1);
+		for (i = 0; i < len; i++) {
+			if (list[i] == needle)
+				return i;
+		}
+	} else {
+		g_return_val_if_fail (needle, -1);
+		for (i = 0; list && list[i]; i++) {
+			if (list[i] == needle)
+				return i;
+		}
+	}
+	return -1;
+}
+
 GVariant *
 _nm_utils_bytes_to_dbus (const GValue *prop_value)
 {