121 lines
2.6 KiB
C
121 lines
2.6 KiB
C
/*
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* |-----------------------------------------------------------|
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* | Copyright (c) 1991, 1990 MIPS Computer Systems, Inc. |
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* | All Rights Reserved |
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* |-----------------------------------------------------------|
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* | Restricted Rights Legend |
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* | Use, duplication, or disclosure by the Government is |
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* | subject to restrictions as set forth in |
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* | subparagraph (c)(1)(ii) of the Rights in Technical |
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* | Data and Computer Software Clause of DFARS 252.227-7013. |
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* | MIPS Computer Systems, Inc. |
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* | 950 DeGuigne Avenue |
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* | Sunnyvale, California 94088-3650, USA |
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* |-----------------------------------------------------------|
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*/
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#ident "$Header: /proj/irix6.5.7m/isms/eoe/cmd/lp_svr4/lib/class/RCS/getclass.c,v 1.1 1992/12/14 13:25:25 suresh Exp $"
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/* 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/* THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF AT&T */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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/* 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 "lp.h"
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#include "class.h"
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/**
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** getclass() - READ CLASS FROM TO DISK
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**/
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CLASS *
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#if defined(__STDC__)
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getclass (
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char * name
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)
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#else
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getclass (name)
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char *name;
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#endif
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{
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static long lastdir = -1;
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static CLASS clsbuf;
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char *file,
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buf[BUFSIZ];
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FILE *fp;
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if (!name || !*name) {
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errno = EINVAL;
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return (0);
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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 (!Lp_A_Classes) {
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getadminpaths (LPUSER);
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if (!Lp_A_Classes)
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return (0);
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}
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if (!(name = next_file(Lp_A_Classes, &lastdir)))
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return (0);
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} else
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lastdir = -1;
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/*
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* Get the class list.
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*/
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if (!(file = getclassfile(name)))
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return (0);
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if (!(fp = open_lpfile(file, "r", 0))) {
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Free (file);
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return (0);
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}
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Free (file);
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if (!(clsbuf.name = Strdup(name))) {
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close_lpfile (fp);
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errno = ENOMEM;
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return (0);
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}
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clsbuf.members = 0;
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while (fgets(buf, BUFSIZ, fp)) {
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buf[strlen(buf) - 1] = 0;
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addlist (&clsbuf.members, buf);
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}
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if (ferror(fp)) {
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int save_errno = errno;
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freelist (clsbuf.members);
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Free (clsbuf.name);
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close_lpfile (fp);
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errno = save_errno;
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return (0);
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}
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close_lpfile (fp);
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if (!clsbuf.members) {
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Free (clsbuf.name);
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errno = EBADF;
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return (0);
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}
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return (&clsbuf);
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}
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