mirror of https://github.com/qpdf/qpdf.git
43 lines
1.0 KiB
C++
43 lines
1.0 KiB
C++
#include <qpdf/QPDFSystemError.hh>
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#include <cstring>
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QPDFSystemError::QPDFSystemError(std::string const& description, int system_errno) :
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std::runtime_error(createWhat(description, system_errno)),
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description(description),
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system_errno(system_errno)
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{
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}
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std::string
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QPDFSystemError::createWhat(std::string const& description, int system_errno)
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{
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std::string message;
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#ifdef _MSC_VER
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// "94" is mentioned in the MSVC docs, but it's still safe if the
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// message is longer. strerror_s is a templated function that
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// knows the size of buf and truncates.
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char buf[94];
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if (strerror_s(buf, system_errno) != 0) {
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message = description + ": failed with an unknown error";
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} else {
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message = description + ": " + buf;
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}
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#else
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message = description + ": " + strerror(system_errno);
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#endif
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return message;
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}
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std::string const&
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QPDFSystemError::getDescription() const
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{
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return this->description;
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}
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int
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QPDFSystemError::getErrno() const
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{
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return this->system_errno;
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}
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