conversions. Sort #includes. Spelling. use errx() instead of err() when explicit message is given.
141 lines
3.8 KiB
C
141 lines
3.8 KiB
C
/*
|
|
* Copyright (c) 1987, 1993, 1994
|
|
* The Regents of the University of California. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by the University of
|
|
* California, Berkeley and its contributors.
|
|
* 4. Neither the name of the University nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
#if 0
|
|
#ifndef lint
|
|
static char sccsid[] = "@(#)tree.c 8.3 (Berkeley) 4/2/94";
|
|
#endif
|
|
#endif
|
|
|
|
#include <sys/cdefs.h>
|
|
__FBSDID("$FreeBSD$");
|
|
|
|
#include <err.h>
|
|
#include <limits.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
#include "ctags.h"
|
|
|
|
static void add_node __P((NODE *, NODE *));
|
|
static void free_tree __P((NODE *));
|
|
|
|
/*
|
|
* pfnote --
|
|
* enter a new node in the tree
|
|
*/
|
|
void
|
|
pfnote(name, ln)
|
|
const char *name;
|
|
int ln;
|
|
{
|
|
NODE *np;
|
|
char *fp;
|
|
char nbuf[MAXTOKEN];
|
|
|
|
/*NOSTRICT*/
|
|
if (!(np = (NODE *)malloc(sizeof(NODE)))) {
|
|
warnx("too many entries to sort");
|
|
put_entries(head);
|
|
free_tree(head);
|
|
/*NOSTRICT*/
|
|
if (!(head = np = (NODE *)malloc(sizeof(NODE))))
|
|
errx(1, "out of space");
|
|
}
|
|
if (!xflag && !strcmp(name, "main")) {
|
|
if (!(fp = strrchr(curfile, '/')))
|
|
fp = curfile;
|
|
else
|
|
++fp;
|
|
(void)sprintf(nbuf, "M%s", fp);
|
|
fp = strrchr(nbuf, '.');
|
|
if (fp && !fp[2])
|
|
*fp = EOS;
|
|
name = nbuf;
|
|
}
|
|
if (!(np->entry = strdup(name)))
|
|
err(1, NULL);
|
|
np->file = curfile;
|
|
np->lno = ln;
|
|
np->left = np->right = 0;
|
|
if (!(np->pat = strdup(lbuf)))
|
|
err(1, NULL);
|
|
if (!head)
|
|
head = np;
|
|
else
|
|
add_node(np, head);
|
|
}
|
|
|
|
static void
|
|
add_node(node, cur_node)
|
|
NODE *node,
|
|
*cur_node;
|
|
{
|
|
int dif;
|
|
|
|
dif = strcmp(node->entry, cur_node->entry);
|
|
if (!dif) {
|
|
if (node->file == cur_node->file) {
|
|
if (!wflag)
|
|
fprintf(stderr, "Duplicate entry in file %s, line %d: %s\nSecond entry ignored\n", node->file, lineno, node->entry);
|
|
return;
|
|
}
|
|
if (!cur_node->been_warned)
|
|
if (!wflag)
|
|
fprintf(stderr, "Duplicate entry in files %s and %s: %s (Warning only)\n", node->file, cur_node->file, node->entry);
|
|
cur_node->been_warned = YES;
|
|
}
|
|
else if (dif < 0)
|
|
if (cur_node->left)
|
|
add_node(node, cur_node->left);
|
|
else
|
|
cur_node->left = node;
|
|
else if (cur_node->right)
|
|
add_node(node, cur_node->right);
|
|
else
|
|
cur_node->right = node;
|
|
}
|
|
|
|
static void
|
|
free_tree(node)
|
|
NODE *node;
|
|
{
|
|
while (node) {
|
|
if (node->right)
|
|
free_tree(node->right);
|
|
free(node);
|
|
node = node->left;
|
|
}
|
|
}
|