168 lines
4.6 KiB
C++
168 lines
4.6 KiB
C++
/* uname.cc
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Written by Steve Chamberlain of Cygnus Support, sac@cygnus.com
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Rewritten by Geoffrey Noer of Cygnus Solutions, noer@cygnus.com
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This file is part of Cygwin.
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This software is a copyrighted work licensed under the terms of the
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Cygwin license. Please consult the file "CYGWIN_LICENSE" for
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details. */
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#include "winsup.h"
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#include <sys/utsname.h>
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#include <netdb.h>
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#include "cygwin_version.h"
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#include "cygtls.h"
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extern "C" int cygwin_gethostname (char *__name, size_t __len);
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extern "C" int getdomainname (char *__name, size_t __len);
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#if __GNUC__ >= 8
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#define ATTRIBUTE_NONSTRING __attribute__ ((nonstring))
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#else
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#define ATTRIBUTE_NONSTRING
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#endif
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/* uname: POSIX 4.4.1.1 */
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/* New entrypoint for applications since API 335 */
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extern "C" int
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uname_x (struct utsname *name)
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{
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__try
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{
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char buf[NI_MAXHOST + 1] ATTRIBUTE_NONSTRING;
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char *snp = strstr (cygwin_version.dll_build_date, "SNP");
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memset (name, 0, sizeof (*name));
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/* sysname */
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__small_sprintf (name->sysname, "CYGWIN_%s-%u%s",
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wincap.osname (), wincap.build_number (),
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wincap.is_wow64 () ? "-WOW64" : "");
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/* nodename */
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memset (buf, 0, sizeof buf);
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cygwin_gethostname (buf, sizeof buf - 1);
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strncat (name->nodename, buf, sizeof (name->nodename) - 1);
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/* release */
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__small_sprintf (name->release, "%d.%d.%d-%d.",
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cygwin_version.dll_major / 1000,
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cygwin_version.dll_major % 1000,
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cygwin_version.dll_minor,
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cygwin_version.api_minor);
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/* version */
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stpcpy (name->version, cygwin_version.dll_build_date);
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if (snp)
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name->version[snp - cygwin_version.dll_build_date] = '\0';
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strcat (name->version, " UTC");
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/* machine */
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switch (wincap.cpu_arch ())
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{
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case PROCESSOR_ARCHITECTURE_INTEL:
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strcat (name->release, strcpy (name->machine, "i686"));
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break;
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case PROCESSOR_ARCHITECTURE_AMD64:
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strcat (name->release, strcpy (name->machine, "x86_64"));
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break;
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default:
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strcpy (name->machine, "unknown");
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break;
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}
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if (snp)
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strcat (name->release, ".snap");
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/* domainame */
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memset (buf, 0, sizeof buf);
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getdomainname (buf, sizeof buf - 1);
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strncat (name->domainname, buf, sizeof (name->domainname) - 1);
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}
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__except (EFAULT) { return -1; }
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__endtry
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return 0;
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}
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/* Old entrypoint for applications up to API 334 */
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struct old_utsname
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{
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char sysname[20];
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char nodename[20];
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char release[20];
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char version[20];
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char machine[20];
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};
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extern "C" int
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uname (struct utsname *in_name)
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{
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struct old_utsname *name = (struct old_utsname *) in_name;
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__try
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{
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char *snp = strstr (cygwin_version.dll_build_date, "SNP");
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memset (name, 0, sizeof (*name));
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__small_sprintf (name->sysname, "CYGWIN_%s", wincap.osname ());
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/* Add a hint to the sysname, that we're running under WOW64. This might
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give an early clue if somebody encounters problems. */
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if (wincap.is_wow64 ())
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strncat (name->sysname, "-WOW",
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sizeof name->sysname - strlen (name->sysname) - 1);
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/* Computer name */
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cygwin_gethostname (name->nodename, sizeof (name->nodename) - 1);
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/* Cygwin dll release */
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__small_sprintf (name->release, "%d.%d.%d%s(%d.%d/%d/%d)",
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cygwin_version.dll_major / 1000,
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cygwin_version.dll_major % 1000,
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cygwin_version.dll_minor,
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snp ? "s" : "",
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cygwin_version.api_major,
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cygwin_version.api_minor,
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cygwin_version.shared_data,
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cygwin_version.mount_registry);
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/* Cygwin "version" aka build date */
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strcpy (name->version, cygwin_version.dll_build_date);
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if (snp)
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name->version[snp - cygwin_version.dll_build_date] = '\0';
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/* CPU type */
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switch (wincap.cpu_arch ())
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{
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case PROCESSOR_ARCHITECTURE_INTEL:
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unsigned int ptype;
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if (wincap.cpu_level () < 3) /* Shouldn't happen. */
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ptype = 3;
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else if (wincap.cpu_level () > 9) /* P4 */
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ptype = 6;
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else
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ptype = wincap.cpu_level ();
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__small_sprintf (name->machine, "i%d86", ptype);
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break;
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case PROCESSOR_ARCHITECTURE_IA64:
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strcpy (name->machine, "ia64");
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break;
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case PROCESSOR_ARCHITECTURE_AMD64:
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strcpy (name->machine, "x86_64");
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break;
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case PROCESSOR_ARCHITECTURE_IA32_ON_WIN64:
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strcpy (name->machine, "ia32-win64");
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break;
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case PROCESSOR_ARCHITECTURE_ALPHA:
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strcpy (name->machine, "alpha");
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break;
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case PROCESSOR_ARCHITECTURE_MIPS:
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strcpy (name->machine, "mips");
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break;
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default:
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strcpy (name->machine, "unknown");
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break;
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}
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}
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__except (EFAULT)
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{
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return -1;
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}
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__endtry
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return 0;
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}
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