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https://github.com/rehlds/metamod-r.git
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131 lines
3.8 KiB
C++
131 lines
3.8 KiB
C++
// vi: set ts=4 sw=4 :
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// vim: set tw=75 :
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// autodetect.cpp - GameDLL search and autodetection.
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/*
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* Copyright (c) 2004-2006 Jussi Kivilinna
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*
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* This file is part of "Metamod All-Mod-Support"-patch for Metamod.
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*
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* Metamod is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at
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* your option) any later version.
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*
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* Metamod is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* 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 Metamod; if not, write to the Free Software Foundation,
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* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* In addition, as a special exception, the author gives permission to
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* link the code of this program with the Half-Life Game Engine ("HL
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* Engine") and Modified Game Libraries ("MODs") developed by Valve,
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* L.L.C ("Valve"). You must obey the GNU General Public License in all
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* respects for all of the code used other than the HL Engine and MODs
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* from Valve. If you modify this file, you may extend this exception
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* to your version of the file, but you are not obligated to do so. If
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* you do not wish to do so, delete this exception statement from your
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* version.
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*
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*/
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#include <extdll.h> // always
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#include "osdep_p.h" // is_gamedll, ...
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#include "game_autodetect.h" // me
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#include "support_meta.h" // full_gamedir_path,
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// Search gamedir/dlls/*.dll for gamedlls
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//TODO: add META_DEBUG
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const char * DLLINTERNAL autodetect_gamedll(const gamedll_t *gamedll, const char *knownfn)
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{
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static char buf[256];
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char dllpath[256];
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char fnpath[256];
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DIR *dir;
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struct dirent *ent;
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unsigned int fn_len;
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// Generate dllpath
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safevoid_snprintf(buf, sizeof(buf), "%s/dlls", gamedll->gamedir);
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if(!full_gamedir_path(buf, dllpath)) {
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//whine & return
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META_WARNING("GameDLL-Autodetection: Directory '%s' doesn't exist.", buf);
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return(0);
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}
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// Generate knownfn path
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safevoid_snprintf(fnpath, sizeof(fnpath), "%s/%s", dllpath, knownfn);
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// Check if knownfn exists and is valid gamedll
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if(is_gamedll(fnpath)) {
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// knownfn exists and is loadable gamedll, return 0.
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return(0);
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}
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// Open directory
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if(!(dir = opendir(dllpath))) {
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//whine & return
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META_WARNING("GameDLL-Autodetection: Couldn't open directory '%s'.", dllpath);
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return(0);
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}
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while((ent = readdir(dir)) != 0) {
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fn_len = strlen(ent->d_name);
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if(fn_len <= strlen(PLATFORM_DLEXT)) {
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// Filename is too short
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continue;
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}
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// Compare end of filename with PLATFORM_DLEXT
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if(!strcasematch(&ent->d_name[fn_len - strlen(PLATFORM_DLEXT)], PLATFORM_DLEXT)) {
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// File isn't dll
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continue;
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}
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// Exclude all metamods
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if(strncasematch(ent->d_name, "metamod", strlen("metamod"))) {
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continue;
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}
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// Exclude all bots
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STRNCPY(buf, ent->d_name, sizeof(buf));
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strlwr(buf);
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if(strstr(buf, "bot.")) {
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continue;
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}
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#ifdef linux
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//bot_iX86.so, bot_amd64.so, bot_x86_64.so
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if(strstr(buf, "bot_i") || strstr(buf, "bot_amd64.so") || strstr(buf, "bot_x86")) {
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continue;
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}
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#endif
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// Generate full path
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safevoid_snprintf(fnpath, sizeof(fnpath), "%s/%s", dllpath, ent->d_name);
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// Check if dll is gamedll
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if(is_gamedll(fnpath)) {
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META_DEBUG(8, ("is_gamedll(%s): ok.", fnpath));
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//gamedll detected
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STRNCPY(buf, ent->d_name, sizeof(buf));
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closedir(dir);
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return(buf);
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}
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META_DEBUG(8, ("is_gamedll(%s): failed.", fnpath));
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}
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//not found
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META_WARNING("GameDLL-Autodetection: Couldn't find gamedll in '%s'.", dllpath);
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closedir(dir);
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return(0);
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}
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