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annotate lphobos/std/system.d @ 883:b52d5de7783f

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author Christian Kamm <kamm incasoftware de>
date Thu, 08 Jan 2009 18:20:02 +0100
parents 373489eeaf90
children
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1 // Written in the D programming language
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2
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3 /**
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4 * Information about the target operating system, environment, and CPU
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5 * Authors: Walter Bright, www.digitalmars.com
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6 * License: Public Domain
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7 * Macros:
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8 * WIKI = Phobos/StdSystem
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9 */
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10
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11 /* NOTE: This file has been patched from the original DMD distribution to
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12 work with the GDC compiler.
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13
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14 Modified by David Friedman, September 2007
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15 */
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16
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17 // Information about the target operating system, environment, and CPU
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18
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19 module std.system;
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20
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21 const
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22 {
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23
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24 // Operating system family
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25 enum Family
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26 {
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27 Win32 = 1, // Microsoft 32 bit Windows systems
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28 linux, // all linux systems
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29 Unix, // Unix-like
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30 NoSystem // No operating system
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31 }
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32
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33 version (Win32)
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34 {
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35 Family family = Family.Win32;
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36 }
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37 else version (linux)
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38 {
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39 Family family = Family.linux;
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40 }
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41 else version (Unix)
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42 {
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43 Family family = Family.Unix;
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44 }
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45 else version (NoSystem)
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46 {
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47 Family family = Family.NoSystem;
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48 }
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49 else
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50 {
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51 static assert(0);
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52 }
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53
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54 // More specific operating system name
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55 enum OS
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56 {
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57 Windows95 = 1,
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58 Windows98,
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59 WindowsME,
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60 WindowsNT,
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61 Windows2000,
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62 WindowsXP,
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63
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64 RedHatLinux,
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65 }
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66
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67 /// Byte order endianness
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68
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69 enum Endian
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70 {
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71 BigEndian, /// big endian byte order
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72 LittleEndian /// little endian byte order
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73 }
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74
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75 version(LittleEndian)
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76 {
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77 /// Native system endianness
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78 Endian endian = Endian.LittleEndian;
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79 }
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80 else
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81 {
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82 Endian endian = Endian.BigEndian;
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83 }
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84 }
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85
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86 // The rest should get filled in dynamically at runtime
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87
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88 OS os = OS.WindowsXP;
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89
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90 // Operating system version as in
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91 // os_major.os_minor
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92 uint os_major = 4;
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93 uint os_minor = 0;
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94
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95