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/* uname replacement.
Copyright (C) 2009-2021 Free Software Foundation, Inc.
This file is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation; either version 2.1 of the
License, or (at your option) any later version.
This file is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
#include <config.h>
/* Specification. */
#include <sys/utsname.h>
/* This file provides an implementation only for the native Windows API. */
#if defined _WIN32 && ! defined __CYGWIN__
# include <stdio.h>
# include <stdlib.h>
# include <string.h>
# include <unistd.h>
# include <windows.h>
/* Mingw headers don't have all the platform codes. */
# ifndef VER_PLATFORM_WIN32_CE
# define VER_PLATFORM_WIN32_CE 3
# endif
/* Some headers don't have all the processor architecture codes. */
# ifndef PROCESSOR_ARCHITECTURE_AMD64
# define PROCESSOR_ARCHITECTURE_AMD64 9
# endif
# ifndef PROCESSOR_ARCHITECTURE_IA32_ON_WIN64
# define PROCESSOR_ARCHITECTURE_IA32_ON_WIN64 10
# endif
/* Mingw headers don't have the latest processor codes. */
# ifndef PROCESSOR_AMD_X8664
# define PROCESSOR_AMD_X8664 8664
# endif
/* Don't assume that UNICODE is not defined. */
# undef OSVERSIONINFO
# define OSVERSIONINFO OSVERSIONINFOA
# undef GetVersionEx
# define GetVersionEx GetVersionExA
int
uname (struct utsname *buf)
{
OSVERSIONINFO version;
OSVERSIONINFOEX versionex;
BOOL have_versionex; /* indicates whether versionex is filled */
const char *super_version;
/* Preparation: Fill version and, if possible, also versionex.
But try to call GetVersionEx only once in the common case. */
versionex.dwOSVersionInfoSize = sizeof (OSVERSIONINFOEX);
have_versionex = GetVersionEx ((OSVERSIONINFO *) &versionex);
if (have_versionex)
{
/* We know that OSVERSIONINFO is a subset of OSVERSIONINFOEX. */
memcpy (&version, &versionex, sizeof (OSVERSIONINFO));
}
else
{
version.dwOSVersionInfoSize = sizeof (OSVERSIONINFO);
if (!GetVersionEx (&version))
abort ();
}
/* Fill in nodename. */
if (gethostname (buf->nodename, sizeof (buf->nodename)) < 0)
strcpy (buf->nodename, "localhost");
/* Determine major-major Windows version. */
if (version.dwPlatformId == VER_PLATFORM_WIN32_NT)
{
/* Windows NT or newer. */
super_version = "NT";
}
else if (version.dwPlatformId == VER_PLATFORM_WIN32_CE)
{
/* Windows CE or Embedded CE. */
super_version = "CE";
}
else if (version.dwPlatformId == VER_PLATFORM_WIN32_WINDOWS)
{
/* Windows 95/98/ME. */
switch (version.dwMinorVersion)
{
case 0:
super_version = "95";
break;
case 10:
super_version = "98";
break;
case 90:
super_version = "ME";
break;
default:
super_version = "";
break;
}
}
else
super_version = "";
/* Fill in sysname. */
# ifdef __MINGW32__
/* Returns a string compatible with the MSYS uname.exe program,
so that no further changes are needed to GNU config.guess.
For example,
$ ./uname.exe -s => MINGW32_NT-5.1
*/
sprintf (buf->sysname, "MINGW32_%s-%u.%u", super_version,
(unsigned int) version.dwMajorVersion,
(unsigned int) version.dwMinorVersion);
# else
sprintf (buf->sysname, "Windows%s", super_version);
# endif
/* Fill in release, version. */
/* The MSYS uname.exe programs uses strings from a modified Cygwin runtime:
$ ./uname.exe -r => 1.0.11(0.46/3/2)
$ ./uname.exe -v => 2008-08-25 23:40
There is no point in imitating this behaviour. */
if (version.dwPlatformId == VER_PLATFORM_WIN32_NT)
{
/* Windows NT or newer. */
struct windows_version
{
int major;
int minor;
unsigned int server_offset;
const char *name;
};
/* Storing the workstation and server version names in a single
stream does not waste memory when they are the same. These
macros abstract the representation. VERSION1 is used if
version.wProductType does not matter, VERSION2 if it does. */
#define VERSION1(major, minor, name) \
{ major, minor, 0, name }
#define VERSION2(major, minor, workstation, server) \
{ major, minor, sizeof workstation, workstation "\0" server }
static const struct windows_version versions[] =
{
VERSION2 (3, -1, "Windows NT Workstation", "Windows NT Server"),
VERSION2 (4, -1, "Windows NT Workstation", "Windows NT Server"),
VERSION1 (5, 0, "Windows 2000"),
VERSION1 (5, 1, "Windows XP"),
VERSION1 (5, 2, "Windows Server 2003"),
VERSION2 (6, 0, "Windows Vista", "Windows Server 2008"),
VERSION2 (6, 1, "Windows 7", "Windows Server 2008 R2"),
VERSION2 (-1, -1, "Windows", "Windows Server")
};
const char *base;
const struct windows_version *v = versions;
/* Find a version that matches ours. The last element is a
wildcard that always ends the loop. */
while ((v->major != version.dwMajorVersion && v->major != -1)
|| (v->minor != version.dwMinorVersion && v->minor != -1))
v++;
if (have_versionex && versionex.wProductType != VER_NT_WORKSTATION)
base = v->name + v->server_offset;
else
base = v->name;
if (v->major == -1 || v->minor == -1)
sprintf (buf->release, "%s %u.%u",
base,
(unsigned int) version.dwMajorVersion,
(unsigned int) version.dwMinorVersion);
else
strcpy (buf->release, base);
}
else if (version.dwPlatformId == VER_PLATFORM_WIN32_CE)
{
/* Windows CE or Embedded CE. */
sprintf (buf->release, "Windows CE %u.%u",
(unsigned int) version.dwMajorVersion,
(unsigned int) version.dwMinorVersion);
}
else
{
/* Windows 95/98/ME. */
sprintf (buf->release, "Windows %s", super_version);
}
strcpy (buf->version, version.szCSDVersion);
/* Fill in machine. */
{
SYSTEM_INFO info;
GetSystemInfo (&info);
/* Check for Windows NT or CE, since the info.wProcessorLevel is
garbage on Windows 95. */
if (version.dwPlatformId == VER_PLATFORM_WIN32_NT
|| version.dwPlatformId == VER_PLATFORM_WIN32_CE)
{
/* Windows NT or newer, or Windows CE or Embedded CE. */
switch (info.wProcessorArchitecture)
{
case PROCESSOR_ARCHITECTURE_AMD64:
strcpy (buf->machine, "x86_64");
break;
case PROCESSOR_ARCHITECTURE_IA64:
strcpy (buf->machine, "ia64");
break;
case PROCESSOR_ARCHITECTURE_INTEL:
strcpy (buf->machine, "i386");
if (info.wProcessorLevel >= 3)
buf->machine[1] =
'0' + (info.wProcessorLevel <= 6 ? info.wProcessorLevel : 6);
break;
case PROCESSOR_ARCHITECTURE_IA32_ON_WIN64:
strcpy (buf->machine, "i686");
break;
case PROCESSOR_ARCHITECTURE_MIPS:
strcpy (buf->machine, "mips");
break;
case PROCESSOR_ARCHITECTURE_ALPHA:
case PROCESSOR_ARCHITECTURE_ALPHA64:
strcpy (buf->machine, "alpha");
break;
case PROCESSOR_ARCHITECTURE_PPC:
strcpy (buf->machine, "powerpc");
break;
case PROCESSOR_ARCHITECTURE_SHX:
strcpy (buf->machine, "sh");
break;
case PROCESSOR_ARCHITECTURE_ARM:
strcpy (buf->machine, "arm");
break;
default:
strcpy (buf->machine, "unknown");
break;
}
}
else
{
/* Windows 95/98/ME. */
switch (info.dwProcessorType)
{
case PROCESSOR_AMD_X8664:
strcpy (buf->machine, "x86_64");
break;
case PROCESSOR_INTEL_IA64:
strcpy (buf->machine, "ia64");
break;
default:
if (info.dwProcessorType % 100 == 86)
sprintf (buf->machine, "i%u",
(unsigned int) info.dwProcessorType);
else
strcpy (buf->machine, "unknown");
break;
}
}
}
return 0;
}
#endif
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