uname.c

#include "defs.h"

#include <sys/utsname.h>

int
sys_uname(struct tcb *tcp)
{
	struct utsname uname;

	if (entering(tcp))
		return 0;

	if (syserror(tcp) || !verbose(tcp))
		tprintf("%#lx", tcp->u_arg[0]);
	else if (umove(tcp, tcp->u_arg[0], &uname) < 0)
		tprints("{...}");
	else {
#define PRINT_UTS_MEMBER(prefix, member) \
		tprints(prefix #member "="); \
		print_quoted_string(uname.member, sizeof(uname.member), \
				    QUOTE_0_TERMINATED)

		PRINT_UTS_MEMBER("{", sysname);
		PRINT_UTS_MEMBER(", ", nodename);
		if (abbrev(tcp)) {
			tprints(", ...}");
			return 0;
		}
		PRINT_UTS_MEMBER(", ", release);
		PRINT_UTS_MEMBER(", ", version);
		PRINT_UTS_MEMBER(", ", machine);
#ifdef HAVE_STRUCT_UTSNAME_DOMAINNAME
		PRINT_UTS_MEMBER(", ", domainname);
#endif
		tprints("}");
	}

	return 0;
}