newlib-cygwin/winsup/cygwin/uname.cc

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/* uname.cc
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Copyright 1996, 1997, 1998, 1999, 2000, 2001 Red Hat, Inc.
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Written by Steve Chamberlain of Cygnus Support, sac@cygnus.com
Rewritten by Geoffrey Noer of Cygnus Solutions, noer@cygnus.com
This file is part of Cygwin.
This software is a copyrighted work licensed under the terms of the
Cygwin license. Please consult the file "CYGWIN_LICENSE" for
details. */
#include "winsup.h"
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#include <stdio.h>
#include <sys/utsname.h>
#include "cygwin_version.h"
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/* uname: POSIX 4.4.1.1 */
extern "C" int
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uname (struct utsname *name)
{
DWORD len;
SYSTEM_INFO sysinfo;
if (check_null_invalid_struct_errno (name))
return -1;
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char *snp = strstr (cygwin_version.dll_build_date, "SNP");
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memset (name, 0, sizeof (*name));
__small_sprintf (name->sysname, "CYGWIN_%s", wincap.osname ());
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GetSystemInfo (&sysinfo);
/* Computer name */
len = sizeof (name->nodename) - 1;
GetComputerNameA (name->nodename, &len);
/* Cygwin dll release */
__small_sprintf (name->release, "%d.%d.%d%s(%d.%d/%d/%d)",
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cygwin_version.dll_major / 1000,
cygwin_version.dll_major % 1000,
cygwin_version.dll_minor,
snp ? "s" : "",
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cygwin_version.api_major,
cygwin_version.api_minor,
cygwin_version.shared_data,
cygwin_version.mount_registry);
/* Cygwin "version" aka build date */
strcpy (name->version, cygwin_version.dll_build_date);
if (snp)
name->version[snp - cygwin_version.dll_build_date] = '\0';
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/* CPU type */
switch (sysinfo.wProcessorArchitecture)
{
case PROCESSOR_ARCHITECTURE_INTEL:
unsigned int ptype;
if (wincap.has_valid_processorlevel ())
{
if (sysinfo.wProcessorLevel < 3) /* Shouldn't happen. */
ptype = 3;
else if (sysinfo.wProcessorLevel > 9) /* P4 */
ptype = 6;
else
ptype = sysinfo.wProcessorLevel;
}
else
{
if (sysinfo.dwProcessorType == PROCESSOR_INTEL_386 ||
sysinfo.dwProcessorType == PROCESSOR_INTEL_486)
ptype = sysinfo.dwProcessorType / 100;
else
ptype = PROCESSOR_INTEL_PENTIUM / 100;
}
__small_sprintf (name->machine, "i%d86", ptype);
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break;
case PROCESSOR_ARCHITECTURE_ALPHA:
strcpy (name->machine, "alpha");
break;
case PROCESSOR_ARCHITECTURE_MIPS:
strcpy (name->machine, "mips");
break;
default:
strcpy (name->machine, "unknown");
break;
}
return 0;
}