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Breaks infinite loop where signature[0] == 0x1f but some of the rest doesn't match.

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This commit is contained in:
Thomas Harte 2019-03-02 14:47:52 -05:00
parent 84d7157dfb
commit 9c8a2265b5
1 changed files with 3 additions and 1 deletions
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4
Storage/Tape/Formats/CAS.cpp
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@ -75,8 +75,10 @@ CAS::CAS(const std::string &file_name) {
const auto signature = file.read(8);
if(signature.size() != 8) break;
if(std::memcmp(signature.data(), header_signature, 8)) {
if(!chunks_.empty()) chunks_.back().data.push_back(signature[0]);
// Check for other 1fs in this stream, and repeat from there if any.
for(size_t c = 0; c < 8; ++c) {
for(size_t c = 1; c < 8; ++c) {
if(signature[c] == 0x1f) {
file.seek(header_position + long(c), SEEK_SET);
break;