BSD 4_1c_2 release

[unix-history] / usr / src / usr.lib / undoc / libpriv / putudata.c

/*      @(#)putudata.c  4.2     (Melbourne)     82/02/20        */

#include <sys/types.h>
#include <udata.h>

putudata(uid, up)
register uid;
register struct udata *up;
{
       register fd;
       register res;

       if ((fd = open(UPRIVFILE, 1)) < 0) {
               perror(UPRIVFILE);
               return(-1);
       }

       lseek(fd, (long)uid * (long)sizeof(struct udata), 0);
       switch (write(fd, up, sizeof(struct udata))) {
       default:
               res = -1;
               break;
       case sizeof(struct udata):
               res = 0;
               break;
       }
       close(fd);
       return(res);
}