LCOV - code coverage report
Current view: top level - src/util - syserror.cpp (source / functions) Hit Total Coverage
Test: fuzz_coverage.info Lines: 1 8 12.5 %
Date: 2023-09-26 12:08:55 Functions: 1 2 50.0 %

          Line data    Source code
       1             : // Copyright (c) 2020-2022 The Bitcoin Core developers
       2             : // Distributed under the MIT software license, see the accompanying
       3             : // file COPYING or http://www.opensource.org/licenses/mit-license.php.
       4             : 
       5             : #if defined(HAVE_CONFIG_H)
       6             : #include <config/bitcoin-config.h>
       7             : #endif
       8             : 
       9             : #include <tinyformat.h>
      10             : #include <util/syserror.h>
      11             : 
      12             : #include <cstring>
      13             : #include <string>
      14             : 
      15             : #if defined(WIN32)
      16             : #include <windows.h>
      17             : #include <locale>
      18             : #include <codecvt>
      19             : #endif
      20             : 
      21           0 : std::string SysErrorString(int err)
      22             : {
      23             :     char buf[1024];
      24             :     /* Too bad there are three incompatible implementations of the
      25             :      * thread-safe strerror. */
      26           0 :     const char *s = nullptr;
      27             : #ifdef WIN32
      28             :     if (strerror_s(buf, sizeof(buf), err) == 0) s = buf;
      29             : #else
      30             : #ifdef STRERROR_R_CHAR_P /* GNU variant can return a pointer outside the passed buffer */
      31           0 :     s = strerror_r(err, buf, sizeof(buf));
      32             : #else /* POSIX variant always returns message in buffer */
      33             :     if (strerror_r(err, buf, sizeof(buf)) == 0) s = buf;
      34             : #endif
      35             : #endif
      36           0 :     if (s != nullptr) {
      37           0 :         return strprintf("%s (%d)", s, err);
      38             :     } else {
      39           0 :         return strprintf("Unknown error (%d)", err);
      40             :     }
      41           0 : }
      42             : 
      43             : #if defined(WIN32)
      44             : std::string Win32ErrorString(int err)
      45             : {
      46             :     wchar_t buf[256];
      47             :     buf[0] = 0;
      48             :     if(FormatMessageW(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS | FORMAT_MESSAGE_MAX_WIDTH_MASK,
      49             :                        nullptr, err, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
      50             :                        buf, ARRAYSIZE(buf), nullptr))
      51             :     {
      52             :         return strprintf("%s (%d)", std::wstring_convert<std::codecvt_utf8_utf16<wchar_t>,wchar_t>().to_bytes(buf), err);
      53             :     }
      54             :     else
      55             :     {
      56             :         return strprintf("Unknown error (%d)", err);
      57             :     }
      58             : }
      59             : #endif

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