newlib-cygwin/winsup/cygwin/uname.cc

94 lines
2.6 KiB
C++

/* uname.cc
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"
#include <sys/utsname.h>
#include "cygwin_version.h"
#include "cygtls.h"
extern "C" int cygwin_gethostname (char *__name, size_t __len);
/* uname: POSIX 4.4.1.1 */
extern "C" int
uname (struct utsname *name)
{
__try
{
char *snp = strstr (cygwin_version.dll_build_date, "SNP");
memset (name, 0, sizeof (*name));
__small_sprintf (name->sysname, "CYGWIN_%s", wincap.osname ());
/* Add a hint to the sysname, that we're running under WOW64. This might
give an early clue if somebody encounters problems. */
if (wincap.is_wow64 ())
strncat (name->sysname, "-WOW",
sizeof name->sysname - strlen (name->sysname) - 1);
/* Computer name */
cygwin_gethostname (name->nodename, sizeof (name->nodename) - 1);
/* Cygwin dll release */
__small_sprintf (name->release, "%d.%d.%d%s(%d.%d/%d/%d)",
cygwin_version.dll_major / 1000,
cygwin_version.dll_major % 1000,
cygwin_version.dll_minor,
snp ? "s" : "",
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';
/* CPU type */
switch (wincap.cpu_arch ())
{
case PROCESSOR_ARCHITECTURE_INTEL:
unsigned int ptype;
if (wincap.cpu_level () < 3) /* Shouldn't happen. */
ptype = 3;
else if (wincap.cpu_level () > 9) /* P4 */
ptype = 6;
else
ptype = wincap.cpu_level ();
__small_sprintf (name->machine, "i%d86", ptype);
break;
case PROCESSOR_ARCHITECTURE_IA64:
strcpy (name->machine, "ia64");
break;
case PROCESSOR_ARCHITECTURE_AMD64:
strcpy (name->machine, "x86_64");
break;
case PROCESSOR_ARCHITECTURE_IA32_ON_WIN64:
strcpy (name->machine, "ia32-win64");
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;
}
}
__except (EFAULT)
{
return -1;
}
__endtry
return 0;
}