minix/lib/posix/_uname.c

59 lines
1.5 KiB
C
Executable file

/* 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);
}