1 /* 2 * Copyright (c) 1987, 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. Neither the name of the University nor the names of its contributors 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * @(#)print.c 8.3 (Berkeley) 4/2/94 30 * $FreeBSD: head/usr.bin/ctags/print.c 299355 2016-05-10 11:11:23Z bapt $ 31 */ 32 33 #include <limits.h> 34 #include <stdio.h> 35 #include <unistd.h> 36 37 #include "ctags.h" 38 39 /* 40 * get_line -- 41 * get the line the token of interest occurred on, 42 * prepare it for printing. 43 */ 44 void 45 get_line(void) 46 { 47 long saveftell; 48 int c; 49 int cnt; 50 char *cp; 51 52 saveftell = ftell(inf); 53 fseek(inf, lineftell, L_SET); 54 if (xflag) 55 for (cp = lbuf; GETC(!=, EOF) && c != '\n'; *cp++ = c) 56 continue; 57 /* 58 * do all processing here, so we don't step through the 59 * line more than once; means you don't call this routine 60 * unless you're sure you've got a keeper. 61 */ 62 else for (cnt = 0, cp = lbuf; GETC(!=, EOF) && cnt < ENDLINE; ++cnt) { 63 if (c == '\\') { /* backslashes */ 64 if (cnt > ENDLINE - 2) 65 break; 66 *cp++ = '\\'; *cp++ = '\\'; 67 ++cnt; 68 } 69 else if (c == (int)searchar) { /* search character */ 70 if (cnt > ENDLINE - 2) 71 break; 72 *cp++ = '\\'; *cp++ = c; 73 ++cnt; 74 } 75 else if (c == '\n') { /* end of keep */ 76 *cp++ = '$'; /* can find whole line */ 77 break; 78 } 79 else 80 *cp++ = c; 81 } 82 *cp = EOS; 83 fseek(inf, saveftell, L_SET); 84 } 85 86 /* 87 * put_entries -- 88 * write out the tags 89 */ 90 void 91 put_entries(NODE *node) 92 { 93 94 if (node->left) 95 put_entries(node->left); 96 if (vflag) 97 printf("%s %s %d\n", 98 node->entry, node->file, (node->lno + 63) / 64); 99 else if (xflag) 100 printf("%-16s %4d %-16s %s\n", 101 node->entry, node->lno, node->file, node->pat); 102 else 103 fprintf(outf, "%s\t%s\t%c^%s%c\n", 104 node->entry, node->file, searchar, node->pat, searchar); 105 if (node->right) 106 put_entries(node->right); 107 } 108