newlib-cygwin/winsup/cygwin/uname.cc

130 lines
3.3 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 <netdb.h>
#include "cygwin_version.h"
#include "cygtls.h"
extern "C" int cygwin_gethostname (char *__name, size_t __len);
extern "C" int getdomainname (char *__name, size_t __len);
#if __GNUC__ >= 8
#define ATTRIBUTE_NONSTRING __attribute__ ((nonstring))
#else
#define ATTRIBUTE_NONSTRING
#endif
/* uname: POSIX 4.4.1.1 */
/* New entrypoint for applications since API 335 */
extern "C" int
uname_x (struct utsname *name)
{
__try
{
char buf[NI_MAXHOST + 1] ATTRIBUTE_NONSTRING;
memset (name, 0, sizeof (*name));
/* sysname */
__small_sprintf (name->sysname, "CYGWIN_%s-%u",
wincap.osname (), wincap.build_number ());
/* nodename */
memset (buf, 0, sizeof buf);
cygwin_gethostname (buf, sizeof buf - 1);
strncat (name->nodename, buf, sizeof (name->nodename) - 1);
/* release */
#ifdef CYGPORT_RELEASE_INFO
stpcpy (name->release, __XSTRING (CYGPORT_RELEASE_INFO));
#else
__small_sprintf (name->release, "%d.%d.%d-0.%d.local.",
cygwin_version.dll_major / 1000,
cygwin_version.dll_major % 1000,
cygwin_version.dll_minor,
cygwin_version.api_minor);
#endif
/* version */
stpcpy (name->version, cygwin_version.dll_build_date);
strcat (name->version, " UTC");
/* machine */
switch (wincap.cpu_arch ())
{
case PROCESSOR_ARCHITECTURE_AMD64:
strcat (name->release, strcpy (name->machine, "x86_64"));
break;
default:
strcpy (name->machine, "unknown");
break;
}
/* domainame */
memset (buf, 0, sizeof buf);
getdomainname (buf, sizeof buf - 1);
strncat (name->domainname, buf, sizeof (name->domainname) - 1);
}
__except (EFAULT) { return -1; }
__endtry
return 0;
}
/* Old entrypoint for applications up to API 334 */
struct old_utsname
{
char sysname[20];
char nodename[20];
char release[20];
char version[20];
char machine[20];
};
extern "C" int
uname (struct utsname *in_name)
{
struct old_utsname *name = (struct old_utsname *) in_name;
__try
{
memset (name, 0, sizeof (*name));
__small_sprintf (name->sysname, "CYGWIN_%s", wincap.osname ());
/* Computer name */
cygwin_gethostname (name->nodename, sizeof (name->nodename) - 1);
/* Cygwin dll release */
__small_sprintf (name->release, "%d.%d.%d(%d.%d/%d/%d)",
cygwin_version.dll_major / 1000,
cygwin_version.dll_major % 1000,
cygwin_version.dll_minor,
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);
/* CPU type */
switch (wincap.cpu_arch ())
{
case PROCESSOR_ARCHITECTURE_AMD64:
strcpy (name->machine, "x86_64");
break;
default:
strcpy (name->machine, "unknown");
break;
}
}
__except (EFAULT)
{
return -1;
}
__endtry
return 0;
}