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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 01:47:29 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 01:47:29 +0000 |
commit | 0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d (patch) | |
tree | a31f07c9bcca9d56ce61e9a1ffd30ef350d513aa /other-licenses/7zstub/src/CPP/7zip/Common/StreamUtils.cpp | |
parent | Initial commit. (diff) | |
download | firefox-esr-0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d.tar.xz firefox-esr-0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d.zip |
Adding upstream version 115.8.0esr.upstream/115.8.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'other-licenses/7zstub/src/CPP/7zip/Common/StreamUtils.cpp')
-rw-r--r-- | other-licenses/7zstub/src/CPP/7zip/Common/StreamUtils.cpp | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/other-licenses/7zstub/src/CPP/7zip/Common/StreamUtils.cpp b/other-licenses/7zstub/src/CPP/7zip/Common/StreamUtils.cpp new file mode 100644 index 0000000000..a79de23525 --- /dev/null +++ b/other-licenses/7zstub/src/CPP/7zip/Common/StreamUtils.cpp @@ -0,0 +1,56 @@ +// StreamUtils.cpp
+
+#include "StdAfx.h"
+
+#include "StreamUtils.h"
+
+static const UInt32 kBlockSize = ((UInt32)1 << 31);
+
+HRESULT ReadStream(ISequentialInStream *stream, void *data, size_t *processedSize) throw()
+{
+ size_t size = *processedSize;
+ *processedSize = 0;
+ while (size != 0)
+ {
+ UInt32 curSize = (size < kBlockSize) ? (UInt32)size : kBlockSize;
+ UInt32 processedSizeLoc;
+ HRESULT res = stream->Read(data, curSize, &processedSizeLoc);
+ *processedSize += processedSizeLoc;
+ data = (void *)((Byte *)data + processedSizeLoc);
+ size -= processedSizeLoc;
+ RINOK(res);
+ if (processedSizeLoc == 0)
+ return S_OK;
+ }
+ return S_OK;
+}
+
+HRESULT ReadStream_FALSE(ISequentialInStream *stream, void *data, size_t size) throw()
+{
+ size_t processedSize = size;
+ RINOK(ReadStream(stream, data, &processedSize));
+ return (size == processedSize) ? S_OK : S_FALSE;
+}
+
+HRESULT ReadStream_FAIL(ISequentialInStream *stream, void *data, size_t size) throw()
+{
+ size_t processedSize = size;
+ RINOK(ReadStream(stream, data, &processedSize));
+ return (size == processedSize) ? S_OK : E_FAIL;
+}
+
+HRESULT WriteStream(ISequentialOutStream *stream, const void *data, size_t size) throw()
+{
+ while (size != 0)
+ {
+ UInt32 curSize = (size < kBlockSize) ? (UInt32)size : kBlockSize;
+ UInt32 processedSizeLoc;
+ HRESULT res = stream->Write(data, curSize, &processedSizeLoc);
+ data = (const void *)((const Byte *)data + processedSizeLoc);
+ size -= processedSizeLoc;
+ RINOK(res);
+ if (processedSizeLoc == 0)
+ return E_FAIL;
+ }
+ return S_OK;
+}
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