Merge branch 'main' of https://git.sr.ht/~avalos/trackermap-mobile

1 files changed, 40 insertions, 0 deletions

diff --git a/shared/src/iosMain/kotlin/mx/trackermap/TrackerMap/utils/NSDataByteArray.kt b/shared/src/iosMain/kotlin/mx/trackermap/TrackerMap/utils/NSDataByteArray.kt
new file mode 100644
index 0000000..807c63f
--- /dev/null
+++ b/shared/src/iosMain/kotlin/mx/trackermap/TrackerMap/utils/NSDataByteArray.kt
@@ -0,0 +1,40 @@
+/**
+ * TrackerMap
+ * Copyright (C) 2021-2022  Iván Ávalos <avalos@disroot.org>, Henoch Ojeda <imhenoch@protonmail.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+package mx.trackermap.TrackerMap.utils
+
+import kotlinx.cinterop.addressOf
+import kotlinx.cinterop.allocArrayOf
+import kotlinx.cinterop.memScoped
+import kotlinx.cinterop.usePinned
+import platform.Foundation.NSData
+import platform.Foundation.create
+import platform.posix.memcpy
+
+// Source: https://gist.github.com/noahsark769/61cfb7a8b7231e2069a9dab94cf74a62
+
+fun ByteArray.toData(): NSData = memScoped {
+    NSData.create(
+        bytes = allocArrayOf(this@toData),
+        length = this@toData.size.toULong())
+}
+
+fun NSData.toByteArray(): ByteArray = ByteArray(this@toByteArray.length.toInt()).apply {
+    usePinned {
+        memcpy(it.addressOf(0), this@toByteArray.bytes, this@toByteArray.length)
+    }
+}
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