Rename getline with get_line to avoid collision with getline(3).
[dragonfly.git] / usr.bin / ctags / print.c
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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.
dc71b7ab 13 * 3. Neither the name of the University nor the names of its contributors
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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.
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28 *
29 * @(#)print.c 8.3 (Berkeley) 4/2/94
cae2835b 30 * $FreeBSD: head/usr.bin/ctags/print.c 299355 2016-05-10 11:11:23Z bapt $
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31 */
32
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33#include <limits.h>
34#include <stdio.h>
35#include <unistd.h>
36
37#include "ctags.h"
38
39/*
cae2835b 40 * get_line --
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41 * get the line the token of interest occurred on,
42 * prepare it for printing.
43 */
44void
cae2835b 45get_line(void)
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46{
47 long saveftell;
48 int c;
49 int cnt;
50 char *cp;
51
52 saveftell = ftell(inf);
b5ea52d7 53 fseek(inf, lineftell, L_SET);
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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;
b5ea52d7 83 fseek(inf, saveftell, L_SET);
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84}
85
86/*
87 * put_entries --
88 * write out the tags
89 */
90void
91put_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}