Bitcoin ABC
0.26.3
P2P Digital Currency
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src
util
syserror.cpp
Go to the documentation of this file.
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// Copyright (c) 2020-2022 The Bitcoin Core developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#if defined(HAVE_CONFIG_H)
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#include <config/bitcoin-config.h>
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#endif
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#include <
tinyformat.h
>
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#include <
util/syserror.h
>
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#include <cstring>
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std::string
SysErrorString
(
int
err
) {
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char
buf[1024];
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const
char
*s =
nullptr
;
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#ifdef WIN32
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if
(
strerror_s
(buf,
sizeof
(buf),
err
) == 0) {
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s = buf;
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}
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#else
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#ifdef STRERROR_R_CHAR_P
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/* GNU variant can return a pointer outside the passed buffer */
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s =
strerror_r
(
err
, buf,
sizeof
(buf));
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#else
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/* POSIX variant always returns message in buffer */
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if
(
strerror_r
(
err
, buf,
sizeof
(buf)) == 0) {
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s = buf;
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}
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#endif
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#endif
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if
(s !=
nullptr
) {
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return
strprintf
(
"%s (%d)"
, s,
err
);
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}
else
{
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return
strprintf
(
"Unknown error (%d)"
,
err
);
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}
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}
GetRand
T GetRand(T nMax=std::numeric_limits< T >::max()) noexcept
Generate a uniform random integer of type T in the range [0..nMax) nMax defaults to std::numeric_limi...
Definition
random.h:85
SysErrorString
std::string SysErrorString(int err)
Return system error string from errno value.
Definition
syserror.cpp:14
syserror.h
tinyformat.h
strprintf
#define strprintf
Format arguments and return the string or write to given std::ostream (see tinyformat::format doc for...
Definition
tinyformat.h:1202
Generated on Sun Oct 13 2024 02:39:38 for Bitcoin ABC by
1.9.8