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-rw-r--r--webclients/novnc/vendor/pako/lib/utils/common.js45
1 files changed, 45 insertions, 0 deletions
diff --git a/webclients/novnc/vendor/pako/lib/utils/common.js b/webclients/novnc/vendor/pako/lib/utils/common.js
new file mode 100644
index 0000000..576fd59
--- /dev/null
+++ b/webclients/novnc/vendor/pako/lib/utils/common.js
@@ -0,0 +1,45 @@
+// reduce buffer size, avoiding mem copy
+export function shrinkBuf (buf, size) {
+ if (buf.length === size) { return buf; }
+ if (buf.subarray) { return buf.subarray(0, size); }
+ buf.length = size;
+ return buf;
+};
+
+
+export function arraySet (dest, src, src_offs, len, dest_offs) {
+ if (src.subarray && dest.subarray) {
+ dest.set(src.subarray(src_offs, src_offs + len), dest_offs);
+ return;
+ }
+ // Fallback to ordinary array
+ for (var i = 0; i < len; i++) {
+ dest[dest_offs + i] = src[src_offs + i];
+ }
+}
+
+// Join array of chunks to single array.
+export function flattenChunks (chunks) {
+ var i, l, len, pos, chunk, result;
+
+ // calculate data length
+ len = 0;
+ for (i = 0, l = chunks.length; i < l; i++) {
+ len += chunks[i].length;
+ }
+
+ // join chunks
+ result = new Uint8Array(len);
+ pos = 0;
+ for (i = 0, l = chunks.length; i < l; i++) {
+ chunk = chunks[i];
+ result.set(chunk, pos);
+ pos += chunk.length;
+ }
+
+ return result;
+}
+
+export var Buf8 = Uint8Array;
+export var Buf16 = Uint16Array;
+export var Buf32 = Int32Array;