118 lines
3.4 KiB
C
118 lines
3.4 KiB
C
/*
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* Copyright (c) 1987, 1993, 1994
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#if 0
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#ifndef lint
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static char sccsid[] = "@(#)print.c 8.3 (Berkeley) 4/2/94";
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#endif
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#endif
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <limits.h>
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#include <stdio.h>
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#include <unistd.h>
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#include "ctags.h"
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/*
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* getline --
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* get the line the token of interest occurred on,
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* prepare it for printing.
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*/
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void
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getline(void)
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{
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long saveftell;
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int c;
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int cnt;
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char *cp;
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saveftell = ftell(inf);
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(void)fseek(inf, lineftell, L_SET);
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if (xflag)
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for (cp = lbuf; GETC(!=, EOF) && c != '\n'; *cp++ = c)
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continue;
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/*
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* do all processing here, so we don't step through the
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* line more than once; means you don't call this routine
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* unless you're sure you've got a keeper.
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*/
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else for (cnt = 0, cp = lbuf; GETC(!=, EOF) && cnt < ENDLINE; ++cnt) {
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if (c == '\\') { /* backslashes */
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if (cnt > ENDLINE - 2)
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break;
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*cp++ = '\\'; *cp++ = '\\';
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++cnt;
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}
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else if (c == (int)searchar) { /* search character */
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if (cnt > ENDLINE - 2)
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break;
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*cp++ = '\\'; *cp++ = c;
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++cnt;
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}
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else if (c == '\n') { /* end of keep */
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*cp++ = '$'; /* can find whole line */
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break;
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}
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else
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*cp++ = c;
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}
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*cp = EOS;
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(void)fseek(inf, saveftell, L_SET);
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}
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/*
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* put_entries --
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* write out the tags
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*/
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void
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put_entries(NODE *node)
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{
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if (node->left)
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put_entries(node->left);
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if (vflag)
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printf("%s %s %d\n",
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node->entry, node->file, (node->lno + 63) / 64);
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else if (xflag)
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printf("%-16s %4d %-16s %s\n",
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node->entry, node->lno, node->file, node->pat);
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else
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fprintf(outf, "%s\t%s\t%c^%s%c\n",
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node->entry, node->file, searchar, node->pat, searchar);
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if (node->right)
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put_entries(node->right);
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}
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