IoManip.cc
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1/*
2 * Copyright (C) 1996-2022 The Squid Software Foundation and contributors
3 *
4 * Squid software is distributed under GPLv2+ license and includes
5 * contributions from numerous individuals and organizations.
6 * Please see the COPYING and CONTRIBUTORS files for details.
7 */
8
9#include "squid.h"
10#include "base/IoManip.h"
11#include "debug/Stream.h"
12
13#include <algorithm>
14
15void
16PrintHex(std::ostream &os, const char * const data, const size_t n)
17{
18 if (!n)
19 return;
20 assert(data);
21
22 const auto savedFill = os.fill('0');
23 const auto savedFlags = os.flags(); // std::ios_base::fmtflags
24 os << std::hex;
25 std::for_each(data, data + n,
26 [&os](const char &c) { os << std::setw(2) << static_cast<uint8_t>(c); });
27 os.flags(savedFlags);
28 os.fill(savedFill);
29}
30
T & for_each(L const &head, T &visitor)
Definition: Generic.h:23
void PrintHex(std::ostream &os, const char *const data, const size_t n)
Prints the first n data bytes using hex notation. Does nothing if n is 0.
Definition: IoManip.cc:16
#define assert(EX)
Definition: assert.h:19

 

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