1 /*- 2 * Copyright (c) 1992, 1993, 1994 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * $Id: fmt.c,v 1.5 1995/03/09 20:40:17 davidg Exp $ 34 */ 35 36 #ifndef lint 37 static char sccsid[] = "@(#)fmt.c 8.4 (Berkeley) 4/15/94"; 38 #endif /* not lint */ 39 40 #include <sys/param.h> 41 #include <sys/syslimits.h> 42 #include <sys/time.h> 43 #include <sys/resource.h> 44 #include <stdio.h> 45 #include <stdlib.h> 46 #include <string.h> 47 #include <vis.h> 48 #include "ps.h" 49 50 static char *cmdpart __P((char *)); 51 static char *shquote __P((char **)); 52 53 /* 54 * XXX 55 * This is a stub until marc does the real one. 56 */ 57 static char * 58 shquote(argv) 59 char **argv; 60 { 61 char **p, *dst, *src; 62 static char buf[ARG_MAX]; /* XXX */ 63 64 if (*argv == 0) { 65 buf[0] = 0; 66 return (buf); 67 } 68 dst = buf; 69 for (p = argv; (src = *p++) != 0; ) { 70 if (*src == 0) 71 continue; 72 strvis(dst, src, VIS_NL | VIS_CSTYLE); 73 while (*dst) 74 dst++; 75 *dst++ = ' '; 76 } 77 /* Chop off trailing space */ 78 if (dst != buf) 79 dst--; 80 *dst = '\0'; 81 return (buf); 82 } 83 84 static char * 85 cmdpart(arg0) 86 char *arg0; 87 { 88 char *cp; 89 90 return ((cp = strrchr(arg0, '/')) != NULL ? cp + 1 : arg0); 91 } 92 93 char * 94 fmt_argv(argv, cmd, maxlen) 95 char **argv; 96 char *cmd; 97 int maxlen; 98 { 99 int len; 100 char *ap, *cp; 101 102 if (argv == 0 || argv[0] == 0) { 103 if (cmd == NULL) 104 return (""); 105 ap = NULL; 106 len = maxlen + 3; 107 } else { 108 ap = shquote(argv); 109 len = strlen(ap) + maxlen + 4; 110 } 111 if ((cp = malloc(len)) == NULL) 112 return (NULL); 113 if (ap == NULL) 114 sprintf(cp, " (%.*s)", maxlen, cmd); 115 else if (strncmp(cmdpart(argv[0]), cmd, maxlen) != 0) 116 sprintf(cp, "%s (%.*s)", ap, maxlen, cmd); 117 else 118 (void) strcpy(cp, ap); 119 return (cp); 120 } 121