File: HexHelpers.h

package info (click to toggle)
audacity 3.2.4%2Bdfsg-1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 106,704 kB
  • sloc: cpp: 277,038; ansic: 73,623; lisp: 7,761; python: 3,305; sh: 2,715; perl: 821; xml: 275; makefile: 119
file content (34 lines) | stat: -rw-r--r-- 659 bytes parent folder | download | duplicates (3)
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
#pragma once

/*!********************************************************************

 Audacity: A Digital Audio Editor

 @file HexHelpers.h
 @brief Define helper functions for hex-to-num conversion.

 Dmitry Vedenko
 **********************************************************************/

#include <cstdint>
#include <cassert>
#include <cctype>

namespace audacity
{

inline uint8_t HexCharToNum (char c) noexcept
{
    assert (std::isxdigit (c) != 0);

    if ('0' <= c && c <= '9')
        return c - '0';
    else if ('A' <= c && c <= 'F')
        return c - 'A' + 10;
    else if ('a' <= c && c <= 'f')
        return c - 'a' + 10;

    return 0;
}

}