gcc/d/dmd/root/port.d

   1 /**
   2  * Portable routines for functions that have different implementations on different platforms.
   3  *
   4  * Copyright: Copyright (C) 1999-2023 by The D Language Foundation, All Rights Reserved
   5  * Authors:   Walter Bright, https://www.digitalmars.com
   6  * License:   $(LINK2 https://www.boost.org/LICENSE_1_0.txt, Boost License 1.0)
   7  * Source:    $(LINK2 https://github.com/dlang/dmd/blob/master/src/dmd/root/port.d, root/_port.d)
   8  * Documentation:  https://dlang.org/phobos/dmd_root_port.html
   9  * Coverage:    https://codecov.io/gh/dlang/dmd/src/master/src/dmd/root/port.d
  10  */
  11
  12 module dmd.root.port;
  13
  14 import core.stdc.stdint;
  15
  16 nothrow @nogc:
  17
  18 extern (C++) struct Port
  19 {
  20     nothrow @nogc:
  21
  22     static int memicmp(scope const char* s1, scope const char* s2, size_t n) pure;
  23
  24     static char* strupr(char* s) pure;
  25
  26     static bool isFloat32LiteralOutOfRange(scope const(char)* s);
  27
  28     static bool isFloat64LiteralOutOfRange(scope const(char)* s);
  29
  30     // Little endian
  31     static void writelongLE(uint value, scope void* buffer) pure;
  32
  33     // Little endian
  34     static uint readlongLE(scope const void* buffer) pure;
  35
  36     // Big endian
  37     static void writelongBE(uint value, scope void* buffer) pure;
  38
  39     // Big endian
  40     static uint readlongBE(scope const void* buffer) pure;
  41
  42     // Little endian
  43     static uint readwordLE(scope const void* buffer) pure;
  44
  45     // Big endian
  46     static uint readwordBE(scope const void* buffer) pure;
  47
  48     static void valcpy(scope void *dst, uint64_t val, size_t size) pure;
  49 }