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authorDan Sinclair <dsinclair@chromium.org>2017-09-06 09:37:59 -0400
committerChromium commit bot <commit-bot@chromium.org>2017-09-06 13:47:18 +0000
commit3ef61c73a97b31000a21e323e04ad5397e517c4c (patch)
tree516534f41936adbf4eb2f1ba447508847ef98dac /core/fxcrt/fx_random.cpp
parent555b31faa192c7a85c84979bea28d4914e93c784 (diff)
downloadpdfium-3ef61c73a97b31000a21e323e04ad5397e517c4c.tar.xz
GUID cleanup
This CL removes fx_guid and inlines into CXFA_FM2JSContext as needed. Change-Id: I08a1f03fd4be46730eee24ab73b8b5c0daf9cd7d Reviewed-on: https://pdfium-review.googlesource.com/13094 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: Tom Sepez <tsepez@chromium.org>
Diffstat (limited to 'core/fxcrt/fx_random.cpp')
-rw-r--r--core/fxcrt/fx_random.cpp52
1 files changed, 26 insertions, 26 deletions
diff --git a/core/fxcrt/fx_random.cpp b/core/fxcrt/fx_random.cpp
index 4d8fc0efcf..866a7a97ef 100644
--- a/core/fxcrt/fx_random.cpp
+++ b/core/fxcrt/fx_random.cpp
@@ -49,6 +49,30 @@ bool GenerateCryptoRandom(uint32_t* pBuffer, int32_t iCount) {
}
#endif
+void Random_GenerateBase(uint32_t* pBuffer, int32_t iCount) {
+#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
+ SYSTEMTIME st1, st2;
+ ::GetSystemTime(&st1);
+ do {
+ ::GetSystemTime(&st2);
+ } while (memcmp(&st1, &st2, sizeof(SYSTEMTIME)) == 0);
+ uint32_t dwHash1 =
+ FX_HashCode_GetA(CFX_ByteStringC((uint8_t*)&st1, sizeof(st1)), true);
+ uint32_t dwHash2 =
+ FX_HashCode_GetA(CFX_ByteStringC((uint8_t*)&st2, sizeof(st2)), true);
+ ::srand((dwHash1 << 16) | (uint32_t)dwHash2);
+#else
+ time_t tmLast = time(nullptr);
+ time_t tmCur;
+ while ((tmCur = time(nullptr)) == tmLast)
+ continue;
+
+ ::srand((tmCur << 16) | (tmLast & 0xFFFF));
+#endif
+ while (iCount-- > 0)
+ *pBuffer++ = static_cast<uint32_t>((::rand() << 16) | (::rand() & 0xFFFF));
+}
+
} // namespace
void* FX_Random_MT_Start(uint32_t dwSeed) {
@@ -105,9 +129,9 @@ void FX_Random_GenerateMT(uint32_t* pBuffer, int32_t iCount) {
uint32_t dwSeed;
#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
if (!GenerateCryptoRandom(&dwSeed, 1))
- FX_Random_GenerateBase(&dwSeed, 1);
+ Random_GenerateBase(&dwSeed, 1);
#else
- FX_Random_GenerateBase(&dwSeed, 1);
+ Random_GenerateBase(&dwSeed, 1);
#endif
void* pContext = FX_Random_MT_Start(dwSeed);
while (iCount-- > 0)
@@ -115,27 +139,3 @@ void FX_Random_GenerateMT(uint32_t* pBuffer, int32_t iCount) {
FX_Random_MT_Close(pContext);
}
-
-void FX_Random_GenerateBase(uint32_t* pBuffer, int32_t iCount) {
-#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
- SYSTEMTIME st1, st2;
- ::GetSystemTime(&st1);
- do {
- ::GetSystemTime(&st2);
- } while (memcmp(&st1, &st2, sizeof(SYSTEMTIME)) == 0);
- uint32_t dwHash1 =
- FX_HashCode_GetA(CFX_ByteStringC((uint8_t*)&st1, sizeof(st1)), true);
- uint32_t dwHash2 =
- FX_HashCode_GetA(CFX_ByteStringC((uint8_t*)&st2, sizeof(st2)), true);
- ::srand((dwHash1 << 16) | (uint32_t)dwHash2);
-#else
- time_t tmLast = time(nullptr);
- time_t tmCur;
- while ((tmCur = time(nullptr)) == tmLast)
- continue;
-
- ::srand((tmCur << 16) | (tmLast & 0xFFFF));
-#endif
- while (iCount-- > 0)
- *pBuffer++ = static_cast<uint32_t>((::rand() << 16) | (::rand() & 0xFFFF));
-}