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author | Alexandru Croitor <alexandru.croitor@qt.io> | 2019-08-15 13:09:55 +0200 |
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committer | Alexandru Croitor <alexandru.croitor@qt.io> | 2019-08-15 16:53:19 +0200 |
commit | c7ec7cd2a1ae9bec31113fae1f1e549b2bf98e0b (patch) | |
tree | fc81fba4e7815ea061da277cf3bcf3102866932f /src/corelib/io/qstorageinfo_unix.cpp | |
parent | 7947032e2d1d68b2c0f79874db7adcf560851f29 (diff) | |
parent | 6132260da394a9627947f0fe6a279c20863b6ad2 (diff) |
Merge branch 'wip/qt6' into wip/cmake
Change-Id: I50ac36b8803c296998149e98cc61e38687cdd14b
Diffstat (limited to 'src/corelib/io/qstorageinfo_unix.cpp')
-rw-r--r-- | src/corelib/io/qstorageinfo_unix.cpp | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/src/corelib/io/qstorageinfo_unix.cpp b/src/corelib/io/qstorageinfo_unix.cpp index 4669c20711..1e72241e68 100644 --- a/src/corelib/io/qstorageinfo_unix.cpp +++ b/src/corelib/io/qstorageinfo_unix.cpp @@ -468,8 +468,18 @@ inline bool QStorageIterator::next() size_t len = strlen(buffer.data()); if (len == 0) return false; - if (ptr[len - 1] == '\n') - ptr[len - 1] = '\0'; + while (Q_UNLIKELY(ptr[len - 1] != '\n' && !feof(fp))) { + // buffer wasn't large enough. Enlarge and try again. + // (we're readidng from the kernel, so OOM is unlikely) + buffer.resize((buffer.size() + 4096) & ~4095); + ptr = buffer.data(); + if (fgets(ptr + len, buffer.size() - len, fp) == nullptr) + return false; + + len += strlen(ptr + len); + Q_ASSERT(len < size_t(buffer.size())); + } + ptr[len - 1] = '\0'; // parse the line bool ok; |