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author | Henning Baldersheim <balder@yahoo-inc.com> | 2022-05-06 10:24:10 +0200 |
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committer | GitHub <noreply@github.com> | 2022-05-06 10:24:10 +0200 |
commit | 514df84d9fbd0e6d4661b4fa4a172db472f5c240 (patch) | |
tree | 47e14bafe7abb809305c1325f713ad3e6d0dca24 /vespalib | |
parent | b4838b56acf46816461a5affca82aac55f532070 (diff) | |
parent | 9672b125531f4d3eda3d8483cf1d63d71ebc9875 (diff) |
Merge pull request #22468 from vespa-engine/vekterli/avoid-nullptr-ref-from-empty-file-read
Early return from asciistream file read if file is empty
Diffstat (limited to 'vespalib')
-rw-r--r-- | vespalib/src/vespa/vespalib/stllike/asciistream.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/vespalib/src/vespa/vespalib/stllike/asciistream.cpp b/vespalib/src/vespa/vespalib/stllike/asciistream.cpp index eb127c7051a..6b673363d2d 100644 --- a/vespalib/src/vespa/vespalib/stllike/asciistream.cpp +++ b/vespalib/src/vespa/vespalib/stllike/asciistream.cpp @@ -628,6 +628,9 @@ asciistream::createFromFile(stringref fileName) if (sz < 0) { throw IoException("Failed getting size of file " + fileName + " : Error=" + file.getLastErrorString(), IoException::UNSPECIFIED, VESPA_STRLOC); } + if (sz == 0) { + return is; + } alloc::Alloc buf = alloc::Alloc::alloc(sz); ssize_t actual = file.Read(buf.get(), sz); if (actual != sz) { |