diff options
Diffstat (limited to 'llvm/lib/Support/Compression.cpp')
| -rw-r--r-- | llvm/lib/Support/Compression.cpp | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/llvm/lib/Support/Compression.cpp b/llvm/lib/Support/Compression.cpp index ccf6ef4..983a6348 100644 --- a/llvm/lib/Support/Compression.cpp +++ b/llvm/lib/Support/Compression.cpp @@ -46,18 +46,20 @@ static StringRef convertZlibCodeToString(int Code) { bool zlib::isAvailable() { return true; } -Error zlib::compress(StringRef InputBuffer, - SmallVectorImpl<char> &CompressedBuffer, int Level) { +void zlib::compress(StringRef InputBuffer, + SmallVectorImpl<char> &CompressedBuffer, int Level) { unsigned long CompressedSize = ::compressBound(InputBuffer.size()); CompressedBuffer.resize_for_overwrite(CompressedSize); int Res = ::compress2((Bytef *)CompressedBuffer.data(), &CompressedSize, (const Bytef *)InputBuffer.data(), InputBuffer.size(), Level); + if (Res == Z_MEM_ERROR) + report_bad_alloc_error("Allocation failed"); + assert(Res == Z_OK); // Tell MemorySanitizer that zlib output buffer is fully initialized. // This avoids a false report when running LLVM with uninstrumented ZLib. __msan_unpoison(CompressedBuffer.data(), CompressedSize); CompressedBuffer.truncate(CompressedSize); - return Res ? createError(convertZlibCodeToString(Res)) : Error::success(); } Error zlib::uncompress(StringRef InputBuffer, char *UncompressedBuffer, @@ -87,8 +89,8 @@ uint32_t zlib::crc32(StringRef Buffer) { #else bool zlib::isAvailable() { return false; } -Error zlib::compress(StringRef InputBuffer, - SmallVectorImpl<char> &CompressedBuffer, int Level) { +void zlib::compress(StringRef InputBuffer, + SmallVectorImpl<char> &CompressedBuffer, int Level) { llvm_unreachable("zlib::compress is unavailable"); } Error zlib::uncompress(StringRef InputBuffer, char *UncompressedBuffer, |