1 /* $NetBSD: print.c,v 1.6 2002/01/31 19:26:35 tv Exp $ */ 2 3 /* 4 * Copyright (c) 1987, 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 #include <sys/cdefs.h> 37 #if defined(__RCSID) && !defined(lint) 38 #if 0 39 static char sccsid[] = "@(#)print.c 8.3 (Berkeley) 4/2/94"; 40 #else 41 __RCSID("$NetBSD: print.c,v 1.6 2002/01/31 19:26:35 tv Exp $"); 42 #endif 43 #endif /* not lint */ 44 45 #include <limits.h> 46 #include <stdio.h> 47 #include <stdlib.h> 48 #include <string.h> 49 #include <unistd.h> 50 51 #include "ctags.h" 52 53 /* 54 * getline -- 55 * get the line the token of interest occurred on, 56 * prepare it for printing. 57 */ 58 void 59 getline() 60 { 61 long saveftell; 62 int c; 63 int cnt; 64 char *cp; 65 66 saveftell = ftell(inf); 67 (void)fseek(inf, lineftell, SEEK_SET); 68 if (xflag) 69 for (cp = lbuf; GETC(!=, '\n'); *cp++ = c) 70 continue; 71 /* 72 * do all processing here, so we don't step through the 73 * line more than once; means you don't call this routine 74 * unless you're sure you've got a keeper. 75 */ 76 else for (cnt = 0, cp = lbuf; GETC(!=, EOF) && cnt < ENDLINE; ++cnt) { 77 if (c == '\\') { /* backslashes */ 78 if (cnt > ENDLINE - 2) 79 break; 80 *cp++ = '\\'; *cp++ = '\\'; 81 ++cnt; 82 } 83 else if (c == (int)searchar) { /* search character */ 84 if (cnt > ENDLINE - 2) 85 break; 86 *cp++ = '\\'; *cp++ = c; 87 ++cnt; 88 } 89 else if (c == '\n') { /* end of keep */ 90 *cp++ = '$'; /* can find whole line */ 91 break; 92 } 93 else 94 *cp++ = c; 95 } 96 *cp = EOS; 97 (void)fseek(inf, saveftell, SEEK_SET); 98 } 99 100 /* 101 * put_entries -- 102 * write out the tags 103 */ 104 void 105 put_entries(node) 106 NODE *node; 107 { 108 109 if (node->left) 110 put_entries(node->left); 111 if (vflag) 112 printf("%s %s %d\n", 113 node->entry, node->file, (node->lno + 63) / 64); 114 else if (xflag) 115 printf("%-16s%4d %-16s %s\n", 116 node->entry, node->lno, node->file, node->pat); 117 else 118 fprintf(outf, "%s\t%s\t%c^%s%c\n", 119 node->entry, node->file, searchar, node->pat, searchar); 120 if (node->right) 121 put_entries(node->right); 122 } 123