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Merge remote-tracking branch 'lenormf/fix-mmap-size-check'

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This commit is contained in:
Maxime Coste 2019-11-28 20:35:52 +11:00
commit b765fb4971
1 changed files with 2 additions and 3 deletions
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5
src/file.cc
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@ -217,13 +217,12 @@ MappedFile::MappedFile(StringView filename)
if (st.st_size == 0)
return;
else if (st.st_size > std::numeric_limits<int>::max())
throw runtime_error("file is too big");
data = (const char*)mmap(nullptr, st.st_size, PROT_READ, MAP_PRIVATE, fd, 0);
if (data == MAP_FAILED)
throw file_access_error{filename, strerror(errno)};
if (st.st_size > std::numeric_limits<int>::max())
throw runtime_error("file is too big");
}
MappedFile::~MappedFile()