source: trunk/minix/lib/posix/_uname.c@ 11

/*      uname() - get system info                       Author: Kees J. Bot
 *                                                              7 Nov 1994
 * Returns information about the Minix system.  Alas most
 * of it is gathered at compile time, so machine is wrong, and
 * release and version become wrong if not recompiled.
 * More chip types and Minix versions need to be added.
 */
#define uname   _uname
#define open    _open
#define read    _read
#define close   _close
#include <sys/types.h>
#include <sys/utsname.h>
#include <unistd.h>
#include <fcntl.h>
#include <string.h>
#include <errno.h>
#include <minix/config.h>
#include <minix/com.h>
#include <minix/minlib.h>

int uname(name) struct utsname *name;
{
  int hf, n, err;
  struct kinfo kinfo;
  char *nl;

  /* Read the node name from /etc/hostname.file. */
  if ((hf = open("/etc/hostname.file", O_RDONLY)) < 0) {
        if (errno != ENOENT) return(-1);
        strcpy(name->nodename, "noname");
  } else {
        n = read(hf, name->nodename, sizeof(name->nodename) - 1);
        err = errno;
        close(hf);
        errno = err;
        if (n < 0) return(-1);
        name->nodename[n] = 0;
        if ((nl = strchr(name->nodename, '\n')) != NULL) {
                memset(nl, 0, (name->nodename + sizeof(name->nodename)) - nl);
        }
  }
 
  getsysinfo(PM_PROC_NR, SI_KINFO, &kinfo);

  strcpy(name->sysname, "Minix");
  strcpy(name->release, kinfo.release);
  strcpy(name->version, kinfo.version);
#if (CHIP == INTEL)
  name->machine[0] = 'i';
  strcpy(name->machine + 1, itoa(getprocessor()));
#if _WORD_SIZE == 4
  strcpy(name->arch, "i386");
#else
  strcpy(name->arch, "i86");
#endif
#endif
  return(0);
}