shithub: plan9front

ref: 2db3642b8d3b871c6f9d1f4e3204b2f44fc4b79f
dir: /sys/src/libc/port/getuser.c/

View raw version 
#include <u.h>
#include <libc.h>

char *
getuser(void)
{
	static char user[64];
	int fd;
	int n;

	fd = open("/dev/user", OREAD|OCEXEC);
	if(fd < 0)
		return "none";
	n = read(fd, user, (sizeof user)-1);
	close(fd);
	if(n <= 0)
		strcpy(user, "none");
	else
		user[n] = 0;
	return user;
}