17c478bd9Sstevel@tonic-gate /*
27c478bd9Sstevel@tonic-gate * CDDL HEADER START
37c478bd9Sstevel@tonic-gate *
47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the
57c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only
67c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance
77c478bd9Sstevel@tonic-gate * with the License.
87c478bd9Sstevel@tonic-gate *
97c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
107c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
117c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions
127c478bd9Sstevel@tonic-gate * and limitations under the License.
137c478bd9Sstevel@tonic-gate *
147c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
157c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
167c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
177c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
187c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
197c478bd9Sstevel@tonic-gate *
207c478bd9Sstevel@tonic-gate * CDDL HEADER END
217c478bd9Sstevel@tonic-gate */
22*00208914SGary Mills
23*00208914SGary Mills /*
24*00208914SGary Mills * Copyright 2015 Gary Mills
25*00208914SGary Mills */
26*00208914SGary Mills
277c478bd9Sstevel@tonic-gate /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
287c478bd9Sstevel@tonic-gate /* All Rights Reserved */
297c478bd9Sstevel@tonic-gate
307c478bd9Sstevel@tonic-gate
317c478bd9Sstevel@tonic-gate /* EMACS_MODES: !fill, lnumb, !overwrite, !nodelete, !picture */
327c478bd9Sstevel@tonic-gate
337c478bd9Sstevel@tonic-gate #include "string.h"
347c478bd9Sstevel@tonic-gate #include "errno.h"
357c478bd9Sstevel@tonic-gate #include "stdlib.h"
367c478bd9Sstevel@tonic-gate
377c478bd9Sstevel@tonic-gate #include "lp.h"
387c478bd9Sstevel@tonic-gate
397c478bd9Sstevel@tonic-gate #if defined(__STDC__)
407c478bd9Sstevel@tonic-gate static char *unq_strdup ( char * , char * );
417c478bd9Sstevel@tonic-gate #else
427c478bd9Sstevel@tonic-gate static char *unq_strdup();
437c478bd9Sstevel@tonic-gate #endif
447c478bd9Sstevel@tonic-gate
457c478bd9Sstevel@tonic-gate /**
467c478bd9Sstevel@tonic-gate ** getlist() - CONSTRUCT LIST FROM STRING
477c478bd9Sstevel@tonic-gate **/
487c478bd9Sstevel@tonic-gate
497c478bd9Sstevel@tonic-gate /*
507c478bd9Sstevel@tonic-gate * Any number of characters from "ws", or a single
517c478bd9Sstevel@tonic-gate * character from "hardsep", can separate items in the list.
527c478bd9Sstevel@tonic-gate */
537c478bd9Sstevel@tonic-gate
547c478bd9Sstevel@tonic-gate char **
557c478bd9Sstevel@tonic-gate #if defined(__STDC__)
getlist(char * str,char * ws,char * hardsep)567c478bd9Sstevel@tonic-gate getlist (
577c478bd9Sstevel@tonic-gate char * str,
587c478bd9Sstevel@tonic-gate char * ws,
597c478bd9Sstevel@tonic-gate char * hardsep
607c478bd9Sstevel@tonic-gate )
617c478bd9Sstevel@tonic-gate #else
627c478bd9Sstevel@tonic-gate getlist (str, ws, hardsep)
637c478bd9Sstevel@tonic-gate register char *str,
647c478bd9Sstevel@tonic-gate *ws;
657c478bd9Sstevel@tonic-gate char *hardsep;
667c478bd9Sstevel@tonic-gate #endif
677c478bd9Sstevel@tonic-gate {
687c478bd9Sstevel@tonic-gate register char **list,
697c478bd9Sstevel@tonic-gate *p,
707c478bd9Sstevel@tonic-gate *sep,
717c478bd9Sstevel@tonic-gate c;
727c478bd9Sstevel@tonic-gate
737c478bd9Sstevel@tonic-gate int n,
747c478bd9Sstevel@tonic-gate len;
757c478bd9Sstevel@tonic-gate
767c478bd9Sstevel@tonic-gate char buf[10];
777c478bd9Sstevel@tonic-gate
787c478bd9Sstevel@tonic-gate
79*00208914SGary Mills char *copy,
80*00208914SGary Mills *begin;
81*00208914SGary Mills
827c478bd9Sstevel@tonic-gate if (!str || !*str)
837c478bd9Sstevel@tonic-gate return (0);
847c478bd9Sstevel@tonic-gate
857c478bd9Sstevel@tonic-gate /*
867c478bd9Sstevel@tonic-gate * Construct in "sep" the full list of characters that
877c478bd9Sstevel@tonic-gate * can separate items in the list. Avoid a "malloc()"
887c478bd9Sstevel@tonic-gate * if possible.
897c478bd9Sstevel@tonic-gate */
907c478bd9Sstevel@tonic-gate len = strlen(ws) + strlen(hardsep) + 1;
917c478bd9Sstevel@tonic-gate if (len > sizeof(buf)) {
927c478bd9Sstevel@tonic-gate if (!(sep = Malloc(len))) {
937c478bd9Sstevel@tonic-gate errno = ENOMEM;
947c478bd9Sstevel@tonic-gate return (0);
957c478bd9Sstevel@tonic-gate }
967c478bd9Sstevel@tonic-gate } else
977c478bd9Sstevel@tonic-gate sep = buf;
987c478bd9Sstevel@tonic-gate strcpy (sep, hardsep);
997c478bd9Sstevel@tonic-gate strcat (sep, ws);
1007c478bd9Sstevel@tonic-gate
101*00208914SGary Mills /*
102*00208914SGary Mills * Copy the input string because getlist() sometimes writes to it.
103*00208914SGary Mills */
104*00208914SGary Mills if (!(begin = Strdup(str))) {
105*00208914SGary Mills errno = ENOMEM;
106*00208914SGary Mills return (0);
107*00208914SGary Mills }
108*00208914SGary Mills copy = begin;
109*00208914SGary Mills
1107c478bd9Sstevel@tonic-gate /*
1117c478bd9Sstevel@tonic-gate * Skip leading white-space.
1127c478bd9Sstevel@tonic-gate */
113*00208914SGary Mills copy += strspn(copy, ws);
114*00208914SGary Mills if (!*copy) {
115*00208914SGary Mills Free (begin);
1167c478bd9Sstevel@tonic-gate return (0);
117*00208914SGary Mills }
1187c478bd9Sstevel@tonic-gate
1197c478bd9Sstevel@tonic-gate /*
1207c478bd9Sstevel@tonic-gate * Strip trailing white-space.
1217c478bd9Sstevel@tonic-gate */
122*00208914SGary Mills p = strchr(copy, '\0');
123*00208914SGary Mills while (--p != copy && strchr(ws, *p))
1247c478bd9Sstevel@tonic-gate ;
1257c478bd9Sstevel@tonic-gate *++p = 0;
1267c478bd9Sstevel@tonic-gate
1277c478bd9Sstevel@tonic-gate /*
1287c478bd9Sstevel@tonic-gate * Pass 1: Count the number of items in the list.
1297c478bd9Sstevel@tonic-gate */
130*00208914SGary Mills for (n = 0, p = copy; *p; ) {
1317c478bd9Sstevel@tonic-gate if ((c = *p++) == '\\')
1327c478bd9Sstevel@tonic-gate p++;
1337c478bd9Sstevel@tonic-gate else
1347c478bd9Sstevel@tonic-gate if (strchr(sep, c)) {
1357c478bd9Sstevel@tonic-gate n++;
1367c478bd9Sstevel@tonic-gate p += strspn(p, ws);
1377c478bd9Sstevel@tonic-gate if (
1387c478bd9Sstevel@tonic-gate !strchr(hardsep, c)
1397c478bd9Sstevel@tonic-gate && strchr(hardsep, *p)
1407c478bd9Sstevel@tonic-gate ) {
1417c478bd9Sstevel@tonic-gate p++;
1427c478bd9Sstevel@tonic-gate p += strspn(p, ws);
1437c478bd9Sstevel@tonic-gate }
1447c478bd9Sstevel@tonic-gate }
1457c478bd9Sstevel@tonic-gate }
1467c478bd9Sstevel@tonic-gate
1477c478bd9Sstevel@tonic-gate /*
1487c478bd9Sstevel@tonic-gate * Pass 2: Create the list.
1497c478bd9Sstevel@tonic-gate */
1507c478bd9Sstevel@tonic-gate
1517c478bd9Sstevel@tonic-gate /*
1527c478bd9Sstevel@tonic-gate * Pass 1 counted the number of list separaters, so
1537c478bd9Sstevel@tonic-gate * add 2 to the count (includes 1 for terminating null).
1547c478bd9Sstevel@tonic-gate */
1557c478bd9Sstevel@tonic-gate if (!(list = (char **)Malloc((n+2) * sizeof(char *)))) {
1567c478bd9Sstevel@tonic-gate errno = ENOMEM;
1577c478bd9Sstevel@tonic-gate goto Done;
1587c478bd9Sstevel@tonic-gate }
1597c478bd9Sstevel@tonic-gate
1607c478bd9Sstevel@tonic-gate /*
1617c478bd9Sstevel@tonic-gate * This loop will copy all but the last item.
1627c478bd9Sstevel@tonic-gate */
163*00208914SGary Mills for (n = 0, p = copy; *p; )
1647c478bd9Sstevel@tonic-gate if ((c = *p++) == '\\')
1657c478bd9Sstevel@tonic-gate p++;
1667c478bd9Sstevel@tonic-gate else
1677c478bd9Sstevel@tonic-gate if (strchr(sep, c)) {
1687c478bd9Sstevel@tonic-gate
1697c478bd9Sstevel@tonic-gate p[-1] = 0;
170*00208914SGary Mills list[n++] = unq_strdup(copy, sep);
1717c478bd9Sstevel@tonic-gate p[-1] = c;
1727c478bd9Sstevel@tonic-gate
1737c478bd9Sstevel@tonic-gate p += strspn(p, ws);
1747c478bd9Sstevel@tonic-gate if (
1757c478bd9Sstevel@tonic-gate !strchr(hardsep, c)
1767c478bd9Sstevel@tonic-gate && strchr(hardsep, *p)
1777c478bd9Sstevel@tonic-gate ) {
1787c478bd9Sstevel@tonic-gate p++;
1797c478bd9Sstevel@tonic-gate p += strspn(p, ws);
1807c478bd9Sstevel@tonic-gate }
181*00208914SGary Mills copy = p;
1827c478bd9Sstevel@tonic-gate
1837c478bd9Sstevel@tonic-gate }
1847c478bd9Sstevel@tonic-gate
185*00208914SGary Mills list[n++] = unq_strdup(copy, sep);
1867c478bd9Sstevel@tonic-gate
1877c478bd9Sstevel@tonic-gate list[n] = 0;
1887c478bd9Sstevel@tonic-gate
1897c478bd9Sstevel@tonic-gate Done: if (sep != buf)
1907c478bd9Sstevel@tonic-gate Free (sep);
191*00208914SGary Mills Free (begin);
1927c478bd9Sstevel@tonic-gate return (list);
1937c478bd9Sstevel@tonic-gate }
1947c478bd9Sstevel@tonic-gate
1957c478bd9Sstevel@tonic-gate /**
1967c478bd9Sstevel@tonic-gate ** unq_strdup()
1977c478bd9Sstevel@tonic-gate **/
1987c478bd9Sstevel@tonic-gate
1997c478bd9Sstevel@tonic-gate static char *
2007c478bd9Sstevel@tonic-gate #if defined(__STDC__)
unq_strdup(char * str,char * sep)2017c478bd9Sstevel@tonic-gate unq_strdup (
2027c478bd9Sstevel@tonic-gate char * str,
2037c478bd9Sstevel@tonic-gate char * sep
2047c478bd9Sstevel@tonic-gate )
2057c478bd9Sstevel@tonic-gate #else
2067c478bd9Sstevel@tonic-gate unq_strdup (str, sep)
2077c478bd9Sstevel@tonic-gate char *str,
2087c478bd9Sstevel@tonic-gate *sep;
2097c478bd9Sstevel@tonic-gate #endif
2107c478bd9Sstevel@tonic-gate {
2117c478bd9Sstevel@tonic-gate register int len = 0;
2127c478bd9Sstevel@tonic-gate
2137c478bd9Sstevel@tonic-gate register char *p,
2147c478bd9Sstevel@tonic-gate *q,
2157c478bd9Sstevel@tonic-gate *ret;
2167c478bd9Sstevel@tonic-gate
2177c478bd9Sstevel@tonic-gate
2187c478bd9Sstevel@tonic-gate for (p = str; *p; p++)
2197c478bd9Sstevel@tonic-gate if (*p != '\\' || !p[1] || !strchr(sep, p[1]))
2207c478bd9Sstevel@tonic-gate len++;
2217c478bd9Sstevel@tonic-gate if (!(q = ret = Malloc(len + 1)))
2227c478bd9Sstevel@tonic-gate return (0);
2237c478bd9Sstevel@tonic-gate for (p = str; *p; p++)
2247c478bd9Sstevel@tonic-gate if (*p != '\\' || !p[1] || !strchr(sep, p[1]))
2257c478bd9Sstevel@tonic-gate *q++ = *p;
2267c478bd9Sstevel@tonic-gate *q = 0;
2277c478bd9Sstevel@tonic-gate return (ret);
2287c478bd9Sstevel@tonic-gate }
229