+\f/*
+** PUTPFENT -- output a p-file entry to a file
+**
+** Parameters:
+** pf -- the p-file entry
+** f -- the file to put it on.
+**
+** Returns:
+** none.
+**
+** Side Effects:
+** pf is written onto file f.
+*/
+
+putpfent(pf, f)
+ register struct pfile *pf;
+ register FILE *f;
+{
+ fprintf(f, "%s %s %s %s %s", pf->p_osid, pf->p_nsid,
+ pf->p_user, pf->p_date, pf->p_time);
+ if (pf->p_aux != NULL)
+ fprintf(f, " %s", pf->p_aux);
+ else
+ fprintf(f, "\n");
+}
+\f
+/*
+** USRERR -- issue user-level error
+**
+** Parameters:
+** f -- format string.
+** p1-p3 -- parameters to a printf.
+**
+** Returns:
+** -1
+**
+** Side Effects:
+** none.
+*/
+
+/*VARARGS1*/
+usrerr(f, p1, p2, p3)
+ char *f;
+{
+ fprintf(stderr, "\n%s: ", MyName);
+ fprintf(stderr, f, p1, p2, p3);
+ fprintf(stderr, "\n");
+
+ return (-1);
+}
+\f
+/*
+** SYSERR -- print system-generated error.
+**
+** Parameters:
+** f -- format string to a printf.
+** p1, p2, p3 -- parameters to f.
+**
+** Returns:
+** never.
+**
+** Side Effects:
+** none.
+*/
+
+/*VARARGS1*/
+syserr(f, p1, p2, p3)
+ char *f;
+{
+ extern int errno;
+
+ fprintf(stderr, "\n%s SYSERR: ", MyName);
+ fprintf(stderr, f, p1, p2, p3);
+ fprintf(stderr, "\n");
+ if (errno == 0)
+ exit(EX_SOFTWARE);
+ else
+ {
+ perror(NULL);
+ exit(EX_OSERR);
+ }
+}
+\f/*
+** USERNAME -- return name of the current user
+**
+** Parameters:
+** none
+**
+** Returns:
+** name of current user
+**
+** Side Effects:
+** none
+*/
+
+char *
+username()
+{
+# ifdef UIDUSER
+ extern struct passwd *getpwuid();
+ register struct passwd *pw;
+
+ pw = getpwuid(getuid());
+ if (pw == NULL)
+ {
+ syserr("who are you? (uid=%d)", getuid());
+ exit(EX_OSERR);
+ }
+ return (pw->pw_name);
+# else
+ extern char *getlogin();
+ extern char *getenv();
+ register char *p;
+
+ p = getenv("USER");
+ if (p == NULL || p[0] == '\0')
+ p = getlogin();
+ return (p);
+# endif UIDUSER
+}
+\f
+/*
+** Guarded string manipulation routines; the last argument
+** is the length of the buffer into which the strcpy or strcat
+** is to be done.
+*/
+char *gstrcat(to, from, length)
+ char *to, *from;
+ int length;
+{
+ if (strlen(from) + strlen(to) >= length) {
+ gstrbotch(to, from);
+ }
+ return(strcat(to, from));
+}
+
+char *gstrncat(to, from, n, length)
+ char *to, *from;
+ int n;
+ int length;
+{
+ if (n + strlen(to) >= length) {
+ gstrbotch(to, from);
+ }
+ return(strncat(to, from, n));
+}
+
+char *gstrcpy(to, from, length)
+ char *to, *from;
+ int length;
+{
+ if (strlen(from) >= length) {
+ gstrbotch(from, (char *)0);
+ }
+ return(strcpy(to, from));
+}
+gstrbotch(str1, str2)
+ char *str1, *str2;
+{
+ usrerr("Filename(s) too long: %s %s", str1, str2);
+}