diff options
| -rw-r--r-- | src/index/txindex.cpp | 4 | ||||
| -rw-r--r-- | src/logging.cpp | 6 | ||||
| -rw-r--r-- | src/util.cpp | 4 |
3 files changed, 11 insertions, 3 deletions
diff --git a/src/index/txindex.cpp b/src/index/txindex.cpp index 0bb553ee6a..5b6e0f9980 100644 --- a/src/index/txindex.cpp +++ b/src/index/txindex.cpp @@ -268,7 +268,9 @@ bool TxIndex::FindTx(const uint256& tx_hash, uint256& block_hash, CTransactionRe CBlockHeader header; try { file >> header; - fseek(file.Get(), postx.nTxOffset, SEEK_CUR); + if (fseek(file.Get(), postx.nTxOffset, SEEK_CUR)) { + return error("%s: fseek(...) failed", __func__); + } file >> tx; } catch (const std::exception& e) { return error("%s: Deserialize or I/O error - %s", __func__, e.what()); diff --git a/src/logging.cpp b/src/logging.cpp index 60d418fdb5..e8e22cbf97 100644 --- a/src/logging.cpp +++ b/src/logging.cpp @@ -253,7 +253,11 @@ void BCLog::Logger::ShrinkDebugFile() { // Restart the file with some of the end std::vector<char> vch(RECENT_DEBUG_HISTORY_SIZE, 0); - fseek(file, -((long)vch.size()), SEEK_END); + if (fseek(file, -((long)vch.size()), SEEK_END)) { + LogPrintf("Failed to shrink debug log file: fseek(...) failed\n"); + fclose(file); + return; + } int nBytes = fread(vch.data(), 1, vch.size(), file); fclose(file); diff --git a/src/util.cpp b/src/util.cpp index 9a3067259f..b4d0a61ab2 100644 --- a/src/util.cpp +++ b/src/util.cpp @@ -887,7 +887,9 @@ void AllocateFileRange(FILE *file, unsigned int offset, unsigned int length) { // Fallback version // TODO: just write one byte per block static const char buf[65536] = {}; - fseek(file, offset, SEEK_SET); + if (fseek(file, offset, SEEK_SET)) { + return; + } while (length > 0) { unsigned int now = 65536; if (length < now) |