142 lines
2.4 KiB
C
Executable File
142 lines
2.4 KiB
C
Executable File
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
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/* All Rights Reserved */
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/* THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF AT&T */
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/* The copyright notice above does not evidence any */
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/* actual or intended publication of such source code. */
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#ident "@(#)getform.c 1.3 90/03/01 SMI" /* SVr4.0 1.14 */
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/* EMACS_MODES: !fill, lnumb, !overwrite, !nodelete, !picture */
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#include "stdio.h"
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#include "string.h"
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#include "errno.h"
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#include "sys/types.h"
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#include "stdlib.h"
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#include "lp.h"
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#include "form.h"
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/**
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** getform() - EXTRACT FORM STRUCTURE FROM DISK FILE
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**/
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int
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#if defined(__STDC__)
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getform (
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char * name,
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FORM * formp,
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FALERT * alertp,
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FILE ** align_fp
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)
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#else
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getform (name, formp, alertp, align_fp)
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char * name;
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FORM * formp;
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FALERT * alertp;
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FILE ** align_fp;
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#endif
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{
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static long lastdir = -1;
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FILE * fp;
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register char * path;
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if (!name || !*name) {
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errno = EINVAL;
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return (-1);
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}
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/*
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* Getting ``all''? If so, jump into the directory
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* wherever we left off.
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*/
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if (STREQU(NAME_ALL, name)) {
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if (!(name = next_dir(Lp_A_Forms, &lastdir)))
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return (-1);
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} else
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lastdir = -1;
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/*
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* Get the form configuration information (?)
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*/
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if (formp) {
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path = getformfile(name, DESCRIBE);
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if (!path)
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return (-1);
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if (!(fp = open_lpfile(path, "r", 0))) {
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Free (path);
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return (-1);
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}
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Free (path);
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if (rdform(name, formp, fp, 0, (int *)0) == -1) {
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close_lpfile (fp);
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return (-1);
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}
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close_lpfile (fp);
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}
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/*
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* Get the alert information (?)
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*/
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if (alertp) {
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FALERT * pa = getalert(Lp_A_Forms, name);
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/*
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* Don't fail if we can't read it because of access
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* permission UNLESS we're "root" or "lp"
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*/
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if (!pa) {
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if (errno == ENOENT) {
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alertp->shcmd = 0;
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alertp->Q = alertp->W = -1;
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} else if (errno == ENOTDIR) {
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freeform (formp);
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errno = ENOENT; /* form doesn't exist */
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return (-1);
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} else if (
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errno != EACCES
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|| !getpid() /* we be root */
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|| STREQU(getname(), LPUSER) /* we be lp */
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) {
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freeform (formp);
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return (-1);
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}
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} else
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*alertp = *pa;
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}
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/*
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* Get the alignment pattern (?)
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*/
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if (align_fp) {
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path = getformfile(name, ALIGN_PTRN);
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if (!path) {
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freeform (formp);
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errno = ENOMEM;
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return (-1);
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}
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if (
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!(*align_fp = open_lpfile(path, "r", 0))
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&& errno != ENOENT
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) {
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Free (path);
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freeform (formp);
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return (-1);
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}
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Free (path);
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}
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return (0);
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}
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