jehanne/sys/src/libc/9sys/sysname.c

31 lines
650 B
C

/*
* This file is part of the UCB release of Plan 9. It is subject to the license
* terms in the LICENSE file found in the top-level directory of this
* distribution and at http://akaros.cs.berkeley.edu/files/Plan9License. No
* part of the UCB release of Plan 9, including this file, may be copied,
* modified, propagated, or distributed except according to the terms contained
* in the LICENSE file.
*/
#include <u.h>
#include <libc.h>
char*
sysname(void)
{
int f, n;
static char b[128];
if(b[0])
return b;
f = open("#c/sysname", 0);
if(f >= 0) {
n = read(f, b, sizeof(b)-1);
if(n > 0)
b[n] = 0;
close(f);
}
return b;
}