From 2319d01e262b705716e19474865f555f3ca81a7d Mon Sep 17 00:00:00 2001
From: Karen Arutyunov <karen@codesynthesis.com>
Date: Mon, 1 May 2017 13:50:13 +0300
Subject: Add hxx extension for headers and lib prefix for library dirs

---
 bpkg/checksum.hxx | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)
 create mode 100644 bpkg/checksum.hxx

(limited to 'bpkg/checksum.hxx')

diff --git a/bpkg/checksum.hxx b/bpkg/checksum.hxx
new file mode 100644
index 0000000..ec5a82e
--- /dev/null
+++ b/bpkg/checksum.hxx
@@ -0,0 +1,32 @@
+// file      : bpkg/checksum.hxx -*- C++ -*-
+// copyright : Copyright (c) 2014-2017 Code Synthesis Ltd
+// license   : MIT; see accompanying LICENSE file
+
+#ifndef BPKG_CHECKSUM_HXX
+#define BPKG_CHECKSUM_HXX
+
+#include <bpkg/types.hxx>
+#include <bpkg/utility.hxx>
+
+#include <bpkg/common-options.hxx>
+
+namespace bpkg
+{
+  // Calculate SHA256 sum of the specified memory buffer in binary mode. Issue
+  // diagnostics and throw failed if anything goes wrong.
+  //
+  string
+  sha256 (const common_options&, const char* buf, size_t n);
+
+  // The same but for a stream (if ifdstream, open in binary mode).
+  //
+  string
+  sha256 (const common_options&, istream&);
+
+  // The same but for a file.
+  //
+  string
+  sha256 (const common_options&, const path& file);
+}
+
+#endif // BPKG_CHECKSUM_HXX
-- 
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