1 /* $NetBSD: fmt.c,v 1.5 1995/03/21 09:08:00 cgd Exp $ */ 2 3 /*- 4 * Copyright (c) 1992, 1993, 1994 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the University of 18 * California, Berkeley and its contributors. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36 #ifndef lint 37 #if 0 38 static char sccsid[] = "@(#)fmt.c 8.4 (Berkeley) 4/15/94"; 39 #else 40 static char rcsid[] = "$NetBSD: fmt.c,v 1.5 1995/03/21 09:08:00 cgd Exp $"; 41 #endif 42 #endif /* not lint */ 43 44 #include <sys/param.h> 45 #include <sys/time.h> 46 #include <sys/resource.h> 47 #include <ctype.h> 48 #include <stdio.h> 49 #include <stdlib.h> 50 #include <string.h> 51 #include <vis.h> 52 #include "ps.h" 53 54 static char *cmdpart __P((char *)); 55 static char *shquote __P((char **)); 56 57 /* 58 * XXX 59 * This is a stub until marc does the real one. 60 */ 61 static char * 62 shquote(argv) 63 char **argv; 64 { 65 char **p, *dst, *src; 66 static char buf[4096]; /* XXX */ 67 68 if (*argv == 0) { 69 buf[0] = 0; 70 return (buf); 71 } 72 dst = buf; 73 for (p = argv; (src = *p++) != 0; ) { 74 if (*src == 0) 75 continue; 76 strvis(dst, src, VIS_NL | VIS_CSTYLE); 77 dst += strlen(dst); 78 *dst++ = ' '; 79 } 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 ap = ""; 104 else 105 ap = shquote(argv); 106 len = strlen(ap); 107 if ((cp = malloc(len + maxlen + 3)) == NULL) 108 return (NULL); 109 if (ap[0] == '\0' || strncmp(cmdpart(argv[0]), cmd, maxlen) != 0) 110 sprintf(cp, "%s(%.*s)", ap, maxlen, cmd); 111 else { 112 bcopy(ap, cp, len); 113 cp[len - 1] = '\0'; 114 } 115 return (cp); 116 } 117