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| author | Konrad Kleine <kkleine@redhat.com> | 2019-10-08 15:43:29 +0000 |
|---|---|---|
| committer | Konrad Kleine <kkleine@redhat.com> | 2019-10-08 15:43:29 +0000 |
| commit | c084c7ab3328e069e7f68369233c41269a9bb161 (patch) | |
| tree | 9cd7cf0d3c461e3ee8940046f9d2f8bbd17c7ff1 /source | |
| parent | 95c93692fcbf323e8861efd9ba7f37a0601ee1c4 (diff) | |
| download | lldb-c084c7ab3328e069e7f68369233c41269a9bb161.tar.gz | |
Simplify LZMA decoding by using ArrayRef::take_back
Summary: Follow-up for D66791#inline-616303
Reviewers: labath
Subscribers: lldb-commits
Tags: #lldb
Differential Revision: https://reviews.llvm.org/D68647
git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@374069 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'source')
| -rw-r--r-- | source/Host/common/LZMA.cpp | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/source/Host/common/LZMA.cpp b/source/Host/common/LZMA.cpp index 47a15708c..02be8a09d 100644 --- a/source/Host/common/LZMA.cpp +++ b/source/Host/common/LZMA.cpp @@ -76,7 +76,7 @@ getUncompressedSize(llvm::ArrayRef<uint8_t> InputBuffer) { // Decode xz footer. lzma_ret xzerr = lzma_stream_footer_decode( - &opts, InputBuffer.data() + InputBuffer.size() - LZMA_STREAM_HEADER_SIZE); + &opts, InputBuffer.take_back(LZMA_STREAM_HEADER_SIZE).data()); if (xzerr != LZMA_OK) { return llvm::createStringError(llvm::inconvertibleErrorCode(), "lzma_stream_footer_decode()=%s", @@ -94,11 +94,11 @@ getUncompressedSize(llvm::ArrayRef<uint8_t> InputBuffer) { lzma_index *xzindex; uint64_t memlimit(UINT64_MAX); size_t inpos = 0; - xzerr = - lzma_index_buffer_decode(&xzindex, &memlimit, nullptr, - InputBuffer.data() + InputBuffer.size() - - LZMA_STREAM_HEADER_SIZE - opts.backward_size, - &inpos, InputBuffer.size()); + xzerr = lzma_index_buffer_decode( + &xzindex, &memlimit, nullptr, + InputBuffer.take_back(LZMA_STREAM_HEADER_SIZE + opts.backward_size) + .data(), + &inpos, InputBuffer.size()); if (xzerr != LZMA_OK) { return llvm::createStringError(llvm::inconvertibleErrorCode(), "lzma_index_buffer_decode()=%s", |