Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 26 insertions, 0 deletions

diff --git a/xpcom/io/crc32c.h b/xpcom/io/crc32c.h
new file mode 100644
index 0000000000..2830c28659
--- /dev/null
+++ b/xpcom/io/crc32c.h
@@ -0,0 +1,26 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef crc32c_h
+#define crc32c_h
+
+#include <stdint.h>
+#include <stddef.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+// Compute a CRC32c as defined in RFC3720.  This is a different polynomial than
+// what is used in the crc for zlib, etc.  Typical usage to calculate a new CRC:
+//
+//    ComputeCrc32c(~0, buffer, bufferLength);
+//
+uint32_t ComputeCrc32c(uint32_t aCrc, const void* aBuf, size_t aSize);
+
+#ifdef __cplusplus
+}  // extern "C"
+#endif
+
+#endif  // crc32c_h