/usr/include/jellyfish/err.hpp is in libjellyfish-2.0-dev 2.1.4-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 | /* This file is part of Jellyfish.
Jellyfish is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Jellyfish is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Jellyfish. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __JELLYFISH_ERR_HPP__
#define __JELLYFISH_ERR_HPP__
#include <iostream>
#include <iomanip>
#include <sstream>
#include <exception>
#include <stdexcept>
#include <cstdlib>
#include <cstring>
#include <cerrno>
namespace jellyfish {
namespace err {
struct msg {
std::ostringstream msg_;
msg() { }
explicit msg(const std::exception& e) { *this << e; }
template<typename T>
explicit msg(const T& x) { *this << x; }
operator std::string() const { return msg_.str(); }
template<typename T>
msg& operator<<(const T& x) {
msg_ << x;
return *this;
}
msg& operator<<(const std::exception& e) {
msg_ << e.what();
// try {
// std::rethrow_if_nested(e);
// } catch (const std::exception& nested) {
// msg_ << '\n';
// return *this << nested;
// }
return *this;
}
msg& operator<<(msg& (*pf)(msg&)) { return pf(*this); }
};
// Select the correct version (GNU or XSI) version of
// ::strerror_r. err::strerror_ behaves like the GNU version of strerror_r,
// regardless of which version is provided by the system.
inline const char* strerror__(char* buf, int res) {
return res != -1 ? buf : "error";
}
inline const char* strerror__(char* buf, char* res) {
return res;
}
inline const char* strerror_r(int err, char* buf, size_t buflen) {
return strerror__(buf, ::strerror_r(err, buf, buflen));
}
inline std::ostream& no(std::ostream& os) {
char buf[128];
return os << strerror_r(errno, buf, sizeof(buf));
}
inline msg& no(msg& m) {
char buf[128];
return m << strerror_r(errno, buf, sizeof(buf));
}
inline void die(int code, std::string msg) {
std::cerr << msg << '\n';
exit(code);
}
inline void die(std::string msg) { die(1, msg); }
} // namespace err
} // namespace jellyfish
#define define_error_class(name) \
class name : public std::runtime_error { \
public: explicit name(const std::string &txt) : std::runtime_error(txt) {} \
}
#endif // __JELLYFISH_ERR_HPP__
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