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 1.4 1994/11/10 23:25:12 ats 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 <ctype.h> 45 #include <stdio.h> 46 #include <stdlib.h> 47 #include <string.h> 48 #include <vis.h> 49 #include "ps.h" 50 51 static char *cmdpart __P((char *)); 52 static char *shquote __P((char **)); 53 54 /* 55 * XXX 56 * This is a stub until marc does the real one. 57 */ 58 static char * 59 shquote(argv) 60 char **argv; 61 { 62 char **p, *dst, *src; 63 static char buf[ARG_MAX]; /* XXX */ 64 65 if (*argv == 0) { 66 buf[0] = 0; 67 return (buf); 68 } 69 dst = buf; 70 for (p = argv; (src = *p++) != 0; ) { 71 if (*src == 0) 72 continue; 73 strvis(dst, src, VIS_NL | VIS_CSTYLE); 74 while (*dst) 75 dst++; 76 *dst++ = ' '; 77 } 78 /* Chop off trailing space */ 79 if (dst != buf) 80 dst--; 81 *dst = '\0'; 82 return (buf); 83 } 84 85 static char * 86 cmdpart(arg0) 87 char *arg0; 88 { 89 char *cp; 90 91 return ((cp = strrchr(arg0, '/')) != NULL ? cp + 1 : arg0); 92 } 93 94 char * 95 fmt_argv(argv, cmd, maxlen) 96 char **argv; 97 char *cmd; 98 int maxlen; 99 { 100 int len; 101 char *ap, *cp; 102 103 if (argv == 0 || argv[0] == 0) { 104 if (cmd == NULL) 105 return (""); 106 ap = NULL; 107 len = maxlen + 3; 108 } else { 109 ap = shquote(argv); 110 len = strlen(ap) + maxlen + 4; 111 } 112 if ((cp = malloc(len)) == NULL) 113 return (NULL); 114 if (ap == NULL) 115 sprintf(cp, " (%.*s)", maxlen, cmd); 116 else if (strncmp(cmdpart(argv[0]), cmd, maxlen) != 0) 117 sprintf(cp, "%s (%.*s)", ap, maxlen, cmd); 118 else 119 (void) strcpy(cp, ap); 120 return (cp); 121 } 122