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pcie: use scanff instead of istringstream

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Signed-off-by: Steffen Vogel <steffen.vogel@opal-rt.com>
This commit is contained in:
Steffen Vogel 2023-01-12 18:17:55 +01:00 • committed by Steffen Vogel
parent 6646308d14
commit 4ff1b159dd
1 changed files with 2 additions and 1 deletions
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3
common/lib/kernel/pci.cpp
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@ -378,7 +378,8 @@ uint32_t Device::readHostBar(unsigned barNum) const
throw RuntimeError("Failed to read resource file");
unsigned long long start, end, flags;
std::istringstream(line) >> std::hex >> start >> end >> flags;
if (std::sscanf(line.c_str(), "%llx %llx %llx", &start, &end, &flags) != 3)
throw SystemError("Failed to parse BAR line");
if (end > start)
throw SystemError("Invalid BAR: start={}, end={}", start, end);