fmt.c revision 23610
11556Srgrimes/*- 21556Srgrimes * Copyright (c) 1992, 1993, 1994 31556Srgrimes * The Regents of the University of California. All rights reserved. 41556Srgrimes * 51556Srgrimes * Redistribution and use in source and binary forms, with or without 61556Srgrimes * modification, are permitted provided that the following conditions 71556Srgrimes * are met: 81556Srgrimes * 1. Redistributions of source code must retain the above copyright 91556Srgrimes * notice, this list of conditions and the following disclaimer. 101556Srgrimes * 2. Redistributions in binary form must reproduce the above copyright 111556Srgrimes * notice, this list of conditions and the following disclaimer in the 121556Srgrimes * documentation and/or other materials provided with the distribution. 131556Srgrimes * 3. All advertising materials mentioning features or use of this software 141556Srgrimes * must display the following acknowledgement: 151556Srgrimes * This product includes software developed by the University of 161556Srgrimes * California, Berkeley and its contributors. 171556Srgrimes * 4. Neither the name of the University nor the names of its contributors 181556Srgrimes * may be used to endorse or promote products derived from this software 191556Srgrimes * without specific prior written permission. 201556Srgrimes * 211556Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 221556Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 231556Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 241556Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 251556Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 261556Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 271556Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 281556Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 291556Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 301556Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 311556Srgrimes * SUCH DAMAGE. 323044Sdg * 3323610Sguido * $Id: fmt.c,v 1.9 1997/02/22 14:05:00 peter Exp $ 341556Srgrimes */ 351556Srgrimes 361556Srgrimes#ifndef lint 3720420Sstevestatic char const sccsid[] = "@(#)fmt.c 8.4 (Berkeley) 4/15/94"; 381556Srgrimes#endif /* not lint */ 391556Srgrimes 401556Srgrimes#include <sys/param.h> 414347Sats#include <sys/syslimits.h> 421556Srgrimes#include <sys/time.h> 431556Srgrimes#include <sys/resource.h> 441556Srgrimes#include <stdio.h> 451556Srgrimes#include <stdlib.h> 461556Srgrimes#include <string.h> 471556Srgrimes#include <vis.h> 481556Srgrimes#include "ps.h" 491556Srgrimes 501556Srgrimesstatic char *cmdpart __P((char *)); 511556Srgrimesstatic char *shquote __P((char **)); 521556Srgrimes 531556Srgrimes/* 541556Srgrimes * XXX 551556Srgrimes * This is a stub until marc does the real one. 561556Srgrimes */ 571556Srgrimesstatic char * 581556Srgrimesshquote(argv) 591556Srgrimes char **argv; 601556Srgrimes{ 611556Srgrimes char **p, *dst, *src; 6223610Sguido static char buf[4*ARG_MAX]; /* XXX */ 631556Srgrimes 641556Srgrimes if (*argv == 0) { 651556Srgrimes buf[0] = 0; 661556Srgrimes return (buf); 671556Srgrimes } 681556Srgrimes dst = buf; 691556Srgrimes for (p = argv; (src = *p++) != 0; ) { 701556Srgrimes if (*src == 0) 711556Srgrimes continue; 721556Srgrimes strvis(dst, src, VIS_NL | VIS_CSTYLE); 731556Srgrimes while (*dst) 741556Srgrimes dst++; 751556Srgrimes *dst++ = ' '; 761556Srgrimes } 776971Sdg /* Chop off trailing space */ 786971Sdg if (dst != buf) 796971Sdg dst--; 801556Srgrimes *dst = '\0'; 811556Srgrimes return (buf); 821556Srgrimes} 831556Srgrimes 841556Srgrimesstatic char * 851556Srgrimescmdpart(arg0) 861556Srgrimes char *arg0; 871556Srgrimes{ 881556Srgrimes char *cp; 891556Srgrimes 901556Srgrimes return ((cp = strrchr(arg0, '/')) != NULL ? cp + 1 : arg0); 911556Srgrimes} 921556Srgrimes 931556Srgrimeschar * 941556Srgrimesfmt_argv(argv, cmd, maxlen) 951556Srgrimes char **argv; 961556Srgrimes char *cmd; 971556Srgrimes int maxlen; 981556Srgrimes{ 991556Srgrimes int len; 1001556Srgrimes char *ap, *cp; 1011556Srgrimes 1021556Srgrimes if (argv == 0 || argv[0] == 0) { 1031556Srgrimes if (cmd == NULL) 1041556Srgrimes return (""); 1051556Srgrimes ap = NULL; 1061556Srgrimes len = maxlen + 3; 1071556Srgrimes } else { 1081556Srgrimes ap = shquote(argv); 1091556Srgrimes len = strlen(ap) + maxlen + 4; 1101556Srgrimes } 1111556Srgrimes if ((cp = malloc(len)) == NULL) 1121556Srgrimes return (NULL); 1131556Srgrimes if (ap == NULL) 1146971Sdg sprintf(cp, " (%.*s)", maxlen, cmd); 1151556Srgrimes else if (strncmp(cmdpart(argv[0]), cmd, maxlen) != 0) 1166971Sdg sprintf(cp, "%s (%.*s)", ap, maxlen, cmd); 1171556Srgrimes else 1181556Srgrimes (void) strcpy(cp, ap); 1191556Srgrimes return (cp); 1201556Srgrimes} 121