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authorDan Sinclair <dsinclair@chromium.org>2017-09-05 11:19:50 -0400
committerChromium commit bot <commit-bot@chromium.org>2017-09-05 16:13:38 +0000
commit1c9ad7ec7353cccabb6881fd22b116daa3dcbb84 (patch)
treed1f1a13c0e64b249a0f2e0dc5f3856c0d3d9a4fa /core/fxcrt/fx_guid.cpp
parent13ea3ff1e33313c7775013acaff4ec218bc632ff (diff)
downloadpdfium-1c9ad7ec7353cccabb6881fd22b116daa3dcbb84.tar.xz
Split fx_guid from fx_extension
This CL splits the GUID code out of fx_extension into an fx_guid.h file. Change-Id: I915538ff98601efb07595264eff6435729193177 Reviewed-on: https://pdfium-review.googlesource.com/13090 Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
Diffstat (limited to 'core/fxcrt/fx_guid.cpp')
-rw-r--r--core/fxcrt/fx_guid.cpp30
1 files changed, 30 insertions, 0 deletions
diff --git a/core/fxcrt/fx_guid.cpp b/core/fxcrt/fx_guid.cpp
new file mode 100644
index 0000000000..6f130f9d46
--- /dev/null
+++ b/core/fxcrt/fx_guid.cpp
@@ -0,0 +1,30 @@
+// Copyright 2017 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "core/fxcrt/fx_guid.h"
+
+#include "core/fxcrt/fx_extension.h"
+#include "core/fxcrt/fx_rand.h"
+
+void FX_GUID_CreateV4(FX_GUID* pGUID) {
+ FX_Random_GenerateMT((uint32_t*)pGUID, 4);
+ uint8_t& b = ((uint8_t*)pGUID)[6];
+ b = (b & 0x0F) | 0x40;
+}
+
+CFX_ByteString FX_GUID_ToString(const FX_GUID* pGUID, bool bSeparator) {
+ CFX_ByteString bsStr;
+ char* pBuf = bsStr.GetBuffer(40);
+ for (int32_t i = 0; i < 16; i++) {
+ uint8_t b = reinterpret_cast<const uint8_t*>(pGUID)[i];
+ FXSYS_IntToTwoHexChars(b, pBuf);
+ pBuf += 2;
+ if (bSeparator && (i == 3 || i == 5 || i == 7 || i == 9))
+ *pBuf++ = L'-';
+ }
+ bsStr.ReleaseBuffer(bSeparator ? 36 : 32);
+ return bsStr;
+}