582 lines
13 KiB
C
582 lines
13 KiB
C
/*
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* Empire - A multi-player, client/server Internet based war game.
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* Copyright (C) 1986-2000, Dave Pare, Jeff Bailey, Thomas Ruschak,
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* Ken Stevens, Steve McClure
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* ---
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*
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* See the "LEGAL", "LICENSE", "CREDITS" and "README" files for all the
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* related information and legal notices. It is expected that any future
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* projects/authors will amend these files as needed.
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*
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* ---
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*
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* info.c: display an info page
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*
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* Known contributors to this file:
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* Dave Pare, 1986
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* Mike Wise, 1997 - added apropos and case insensitivity
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* Doug Hay, 1998
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* Steve McClure, 1998-2000
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*/
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#include "misc.h"
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#include "player.h"
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#include <errno.h>
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#ifdef Rel4
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#include <string.h>
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#endif /* Rel4 */
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#include <stdio.h>
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#include <sys/stat.h>
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#if !defined(_WIN32)
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#include <dirent.h>
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#else
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#include <windows.h>
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#endif
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#ifdef solaris
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#include <unistd.h>
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#endif
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#include "commands.h"
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#if 0
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static int fileselect(struct dirent *dp);
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static int printdir(void);
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#endif
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static
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s_char *
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lowerit(s_char *buf, int n, s_char *orig)
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{ /* converts a string to lower case */
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/* lower case output buffer */
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/* size of output buffer */
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/* input strig */
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int i;
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s_char *tmp;
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tmp = buf;
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memset(buf, 0, n);
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for (i = 0; i < n && *orig; i++) {
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*tmp++ = tolower(*orig++);
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}
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return buf;
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}
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static
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int
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strnccmp(s_char *s1, s_char *s2, int n)
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{
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int i;
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char c1, c2;
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for (i = 0; i < n && *s1 && s2; i++) {
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c1 = tolower(*s1++);
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c2 = tolower(*s2++);
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if (c1 > c2)
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return 1;
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else if (c1 < c2)
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return -1;
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}
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return 0;
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}
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#if !defined(_WIN32)
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int
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info(void)
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{
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extern s_char *infodir;
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#if (!defined linux) && (!defined FBSD) && (!defined __linux__) && (!defined __ppc__)
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extern s_char *sys_errlist[];
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#endif
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s_char buf[255];
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FILE *fp;
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s_char *bp;
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struct stat statb;
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struct dirent *dp;
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s_char filename[1024];
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DIR *info_dp;
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if (player->argp[1] == 0 || !*player->argp[1])
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bp = "TOP";
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#if 0
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/* Note that we generate an "all" file now, which contains
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* this list, so we don't do printdir. */
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else if (!strcmp(player->argp[1], "all"))
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return printdir();
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#endif
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/*
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* don't let sneaky people go outside the info directory
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*/
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else if (NULL != (bp = rindex(player->argp[1], '/')))
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bp++;
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else
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bp = player->argp[1];
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sprintf(filename, "%s/%s", infodir, bp);
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fp = fopen(filename, "r");
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if (fp == NULL) {
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int len = strlen(bp);
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/* may be a "partial" request. */
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info_dp = opendir(infodir);
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if (info_dp == 0) {
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pr("Can't open info dir \"%s\"\n", infodir);
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return RET_SYS;
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}
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rewinddir(info_dp);
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while ((dp = readdir(info_dp)) != 0 && fp == 0) {
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if (strnccmp(bp, dp->d_name, len) != 0)
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continue;
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sprintf(filename, "%s/%s", infodir, dp->d_name);
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fp = fopen(filename, "r");
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}
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closedir(info_dp);
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if (fp == NULL) {
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pr("Sorry, there is no info on %s\n", bp);
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return RET_FAIL;
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}
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}
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if (fstat(fileno(fp), &statb) < 0) {
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pr("Cannot read info page for \"%s\" (%s)\n",
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dp->d_name, sys_errlist[errno]);
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fclose(fp);
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return RET_SYS;
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}
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if ((statb.st_mode & S_IFREG) == 0) {
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pr("There is no available information on \"%s\"\n", dp->d_name);
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fclose(fp);
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return RET_FAIL;
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}
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pr("Information on: %s Last modification date: %s",
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bp, ctime(&statb.st_mtime));
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while (fgets(buf, sizeof(buf), fp) != 0)
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pr("%s", buf);
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(void)fclose(fp);
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return RET_OK;
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}
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#if 0
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static int biggest;
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static
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int
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fileselect(struct dirent *dp)
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{
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int l;
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if (*dp->d_name == '.')
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return 0;
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if ((l = strlen(dp->d_name)) > biggest)
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biggest = l;
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return 1;
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}
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#ifdef solaris
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static
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int
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alphasort(struct dirent *d1, struct dirent *d2)
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{
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return strcmp(d1->d_name, d2->d_name);
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}
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static int
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scandir(char *dir, struct dirent ***dpp, int (*select) (), int (*sort) ())
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/* directory to read */
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/* directory entry pointer pointer */
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{
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DIR *dirp;
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int nsize;
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int nents;
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struct dirent *d, *tmp;
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d = (struct dirent *)malloc(sizeof(struct dirent) +
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pathconf(".", _PC_NAME_MAX) + 1);
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if ((dirp = opendir(dir)) == NULL)
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return -1;
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nsize = 100;
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*dpp = (struct dirent **)malloc(nsize * sizeof(struct dirent *));
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if ((*dpp) == NULL) {
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closedir(dirp);
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return -1;
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}
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nents = 0;
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while ((d = readdir_r(dirp, d)) != NULL) {
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if (select != NULL && !(*select) (d))
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continue;
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tmp =
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(struct dirent *)malloc(sizeof(struct dirent) +
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strlen(d->d_name) + 1);
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if (tmp == NULL)
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return -1;
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tmp->d_ino = d->d_ino;
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tmp->d_reclen = d->d_reclen;
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strcpy(tmp->d_name, d->d_name);
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if (nents > nsize) {
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*dpp =
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(struct dirent **)realloc((char *)*dpp,
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nsize * sizeof(struct dirent *));
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if (*dpp == NULL)
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return -1;
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}
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(*dpp)[nents++] = tmp;
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}
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closedir(dirp);
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if (nents > 0 && sort != NULL)
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qsort(*dpp, nents, sizeof(struct dirent *), sort);
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return nents;
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}
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#endif
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static int
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printdir(void)
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{
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#if !defined(solaris) && !defined(ALPHA) && !defined(__linux__)
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extern int alphasort(const struct dirent *const *,
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const struct dirent *const *);
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#endif
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extern s_char *infodir;
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static time_t lastmodtime;
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static int number;
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static struct dirent **dp;
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struct stat st;
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int count;
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int i;
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int npl;
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if (stat(infodir, &st) == -1)
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return RET_FAIL;
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pr("Available topics are:\n");
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if (lastmodtime < st.st_mtime) {
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if (dp)
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free((s_char *)dp);
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biggest = 0;
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number = scandir(infodir, &dp, fileselect, alphasort);
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lastmodtime = st.st_mtime;
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}
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count = 79 / (biggest + 1) - 1;
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for (i = 0, npl = 0; i < number; i++) {
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pr("%-*.*s%c", biggest, strlen(dp[i]->d_name),
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dp[i]->d_name, npl == count ? '\n' : ' ');
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if (npl == count)
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npl = 0;
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else
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npl++;
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}
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if (npl != 0)
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pr("\n");
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return 0;
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}
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#endif
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int
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apro(void)
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{
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extern s_char *infodir;
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FILE *fp;
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s_char *bp, *lbp;
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s_char *fbuf;
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s_char *lbuf;
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struct dirent *dp;
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s_char filename[1024];
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DIR *info_dp;
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long nf, nhf, nl, nlhl, nhl, nll;
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int alreadyhit;
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int lhitlim;
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if (player->argp[1] == 0 || !*player->argp[1]) {
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pr("Apropos what?\n");
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return RET_FAIL;
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}
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lhitlim = 100;
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if (player->argp[2]) {
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lhitlim = atoi(player->argp[2]);
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if (lhitlim <= 0)
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lhitlim = 100;
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}
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info_dp = opendir(infodir);
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if (info_dp == 0) {
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pr("Can't open info dir \"%s\"\n", infodir);
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return RET_SYS;
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}
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fbuf = (s_char *)malloc(256);
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lbuf = (s_char *)malloc(256);
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lbp = (s_char *)malloc(256);
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/*
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* lower case search string into lbp
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*/
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bp = player->argp[1];
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lowerit(lbp, 256, bp);
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/*
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* search
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*/
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nf = nhf = nl = nhl = 0;
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rewinddir(info_dp);
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while ((dp = readdir(info_dp)) != 0) {
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sprintf(filename, "%s/%s", infodir, dp->d_name);
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fp = fopen(filename, "r");
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alreadyhit = 0;
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nll = nlhl = 0;
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if (fp != NULL) {
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while (fgets(fbuf, 256, fp)) {
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lowerit(lbuf, 256, fbuf);
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if (strstr(lbuf, lbp)) {
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if (!alreadyhit) {
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pr("*** %s ***\n", dp->d_name);
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alreadyhit = 1;
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nhf++;
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}
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fbuf[74] = '\n';
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fbuf[75] = 0;
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pr(" %s", fbuf);
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nlhl++;
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/*
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* break if too many lines
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*/
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if ((nhl + nlhl) > lhitlim)
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break;
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}
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nll++;
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}
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fclose(fp);
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}
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nhl += nlhl;
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nl += nll;
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nf++;
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if (nhl > lhitlim)
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break;
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}
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closedir(info_dp);
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free(fbuf);
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free(lbuf);
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free(lbp);
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if ((nhl) > lhitlim) {
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pr("Limit of %ld lines exceeded\n", lhitlim);
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}
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pr("Found %s in %ld of %ld files and in %ld of %ld lines\n",
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bp, nhf, nf, nhl, nl);
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return RET_OK;
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}
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#else
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int
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info(void)
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{
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extern s_char *infodir;
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s_char buf[255];
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FILE *fp;
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s_char *bp;
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s_char *bp2;
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s_char filename[1024];
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if (player->argp[1] == 0 || !*player->argp[1])
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bp = "TOP";
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#if 0
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/* Note that we generate an "all" file now, which contains
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* this list, so we don't do printdir. */
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else if (!strcmp(player->argp[1], "all"))
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return printdir();
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#endif
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else {
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/*
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* don't let sneaky people go outside the info directory
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*/
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bp = player->argp[1];
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if (NULL != (bp2 = rindex(bp, '/')))
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bp = ++bp2;
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if (NULL != (bp2 = rindex(bp, '\\')))
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bp = ++bp2;
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if (NULL != (bp2 = rindex(bp, ':')))
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bp = ++bp2;
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if (!*bp)
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bp = "TOP";
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}
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strncpy(filename, infodir, sizeof(filename) - 2);
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strcat(filename, "//");
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strncat(filename, bp, sizeof(filename) - 1 - strlen(filename));
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fp = fopen(filename, "r");
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if (fp == NULL) {
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/* may be a "partial" request. */
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HANDLE hDir;
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WIN32_FIND_DATA fData;
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int len = strlen(bp);
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strncat(filename, "*", sizeof(filename) - 1 - strlen(filename));
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hDir = FindFirstFile(filename, &fData);
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if (hDir == INVALID_HANDLE_VALUE) {
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pr("Can't open info dir \"%s\"\n", infodir);
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return RET_SYS;
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}
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do {
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if ((fData.dwFileAttributes == FILE_ATTRIBUTE_NORMAL) &&
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(strnccmp(bp, fData.cFileName, len) == 0)) {
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strncpy(filename, infodir, sizeof(filename) - 2);
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strcat(filename, "//");
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strncat(filename, fData.cFileName,
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sizeof(filename) - 1 - strlen(filename));
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fp = fopen(filename, "r");
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}
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} while (!fp && FindNextFile(hDir, &fData));
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FindClose(hDir);
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if (fp == NULL) {
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pr("Sorry, there is no info on %s\n", bp);
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return RET_FAIL;
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}
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}
|
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pr("Information on: %s", bp);
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while (fgets(buf, sizeof(buf), fp) != 0)
|
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pr("%s", buf);
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(void)fclose(fp);
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return RET_OK;
|
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}
|
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|
|
#if 0
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static int
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printdir(void)
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{
|
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extern s_char *infodir;
|
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HANDLE hDir;
|
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WIN32_FIND_DATA fData;
|
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int count;
|
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int i;
|
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int npl;
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s_char filename[1024];
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|
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strncpy(filename, infodir, sizeof(filename) - 3);
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strcat(filename, "//*");
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hDir = FindFirstFile(filename, &fData);
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if (hDir == INVALID_HANDLE_VALUE) {
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return RET_FAIL;
|
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}
|
|
|
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pr("Available topics are:\n");
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do {
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if (fData.dwFileAttributes == FILE_ATTRIBUTE_NORMAL) {
|
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/* Yes, we could do multi-column work here. */
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pr("%s\n", fData.cFileName);
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}
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} while (FindNextFile(hDir, &fData));
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FindClose(hDir);
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return 0;
|
|
}
|
|
#endif
|
|
|
|
int
|
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apro(void)
|
|
{
|
|
extern s_char *infodir;
|
|
HANDLE hDir;
|
|
WIN32_FIND_DATA fData;
|
|
FILE *fp;
|
|
s_char *bp, *lbp;
|
|
s_char *fbuf;
|
|
s_char *lbuf;
|
|
s_char filename[1024];
|
|
long nf, nhf, nl, nlhl, nhl, nll;
|
|
int alreadyhit;
|
|
int lhitlim;
|
|
|
|
if (player->argp[1] == 0 || !*player->argp[1]) {
|
|
pr("Apropos what?\n");
|
|
return RET_FAIL;
|
|
}
|
|
|
|
lhitlim = 100;
|
|
if (player->argp[2]) {
|
|
lhitlim = atoi(player->argp[2]);
|
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if (lhitlim <= 0)
|
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lhitlim = 100;
|
|
}
|
|
|
|
strncpy(filename, infodir, sizeof(filename) - 3);
|
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strcat(filename, "//*");
|
|
hDir = FindFirstFile(filename, &fData);
|
|
if (hDir == INVALID_HANDLE_VALUE) {
|
|
return RET_FAIL;
|
|
}
|
|
|
|
fbuf = (s_char *)malloc(256);
|
|
lbuf = (s_char *)malloc(256);
|
|
lbp = (s_char *)malloc(256);
|
|
|
|
/*
|
|
* lower case search string into lbp
|
|
*/
|
|
bp = player->argp[1];
|
|
lowerit(lbp, 256, bp);
|
|
|
|
/*
|
|
* search
|
|
*/
|
|
nf = nhf = nl = nhl = 0;
|
|
do {
|
|
strncpy(filename, infodir, sizeof(filename) - 3);
|
|
strcat(filename, "//");
|
|
strncat(filename, fData.cFileName,
|
|
sizeof(filename) - 1 - strlen(filename));
|
|
fp = fopen(filename, "r");
|
|
alreadyhit = 0;
|
|
nll = nlhl = 0;
|
|
if (fp != NULL) {
|
|
while (fgets(fbuf, 256, fp)) {
|
|
lowerit(lbuf, 256, fbuf);
|
|
if (strstr(lbuf, lbp)) {
|
|
if (!alreadyhit) {
|
|
pr("*** %s ***\n", fData.cFileName);
|
|
alreadyhit = 1;
|
|
nhf++;
|
|
}
|
|
fbuf[74] = '\n';
|
|
fbuf[75] = 0;
|
|
pr(" %s", fbuf);
|
|
nlhl++;
|
|
/*
|
|
* break if too many lines
|
|
*/
|
|
if ((nhl + nlhl) > lhitlim)
|
|
break;
|
|
}
|
|
nll++;
|
|
}
|
|
fclose(fp);
|
|
}
|
|
nhl += nlhl;
|
|
nl += nll;
|
|
nf++;
|
|
if (nhl > lhitlim)
|
|
break;
|
|
} while (FindNextFile(hDir, &fData));
|
|
FindClose(hDir);
|
|
|
|
free(fbuf);
|
|
free(lbuf);
|
|
free(lbp);
|
|
|
|
if ((nhl) > lhitlim) {
|
|
pr("Limit of %ld lines exceeded\n", lhitlim);
|
|
}
|
|
pr("Found %s in %ld of %ld files and in %ld of %ld lines\n",
|
|
bp, nhf, nf, nhl, nl);
|
|
return RET_OK;
|
|
}
|
|
|
|
#endif
|