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/*
Copyright (C) 2001-2006, William Joseph.
All Rights Reserved.
This file is part of GtkRadiant.
GtkRadiant is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
GtkRadiant is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GtkRadiant; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "environment.h"
#include "stream/textstream.h"
#include "string/string.h"
#include "stream/stringstream.h"
#include "debugging/debugging.h"
#include "os/path.h"
#include "cmdlib.h"
int g_argc;
char** g_argv;
void args_init(int argc, char* argv[])
{
int i, j, k;
for (i = 1; i < argc; i++)
{
for (k = i; k < argc; k++)
if (argv[k] != 0)
break;
if (k > i)
{
k -= i;
for (j = i + k; j < argc; j++)
argv[j-k] = argv[j];
argc -= k;
}
}
g_argc = argc;
g_argv = argv;
}
namespace
{
CopiedString home_path;
CopiedString app_path;
}
const char* environment_get_home_path()
{
return home_path.c_str();
}
const char* environment_get_app_path()
{
return app_path.c_str();
}
#if defined (__linux__) || defined (__APPLE__)
#include <stdlib.h>
#include <pwd.h>
#include <unistd.h>
#include <glib/gutils.h>
const char* LINK_NAME =
#if defined (__linux__)
"/proc/self/exe"
#else
"/proc/curproc/file"
#endif
;
/// brief Returns the filename of the executable belonging to the current process, or 0 if not found.
char* getexename(char *buf)
{
/* Now read the symbolic link */
int ret = readlink(LINK_NAME, buf, PATH_MAX);
if(ret == -1)
{
globalOutputStream() << "getexename: falling back to argv[0]: " << makeQuoted(g_argv[0]);
const char* path = realpath(g_argv[0], buf);
if(path == 0)
{
/* In case of an error, leave the handling up to the caller */
return "";
}
}
/* Ensure proper NUL termination */
buf[ret] = 0;
/* delete the program name */
*(strrchr(buf, '/')) = '\0';
// NOTE: we build app path with a trailing '/'
// it's a general convention in Radiant to have the slash at the end of directories
if (buf[strlen(buf)-1] != '/')
{
strcat(buf, "/");
}
return buf;
}
void environment_init(int argc, char* argv[])
{
// Give away unnecessary root privileges.
// Important: must be done before calling gtk_init().
char *loginname;
struct passwd *pw;
seteuid(getuid());
if (geteuid() == 0 && (loginname = getlogin()) != 0 &&
(pw = getpwnam(loginname)) != 0)
setuid(pw->pw_uid);
args_init(argc, argv);
{
StringOutputStream home(256);
home << DirectoryCleaned(g_get_home_dir()) << ".radiant/";
Q_mkdir(home.c_str());
home_path = home.c_str();
}
{
char real[PATH_MAX];
app_path = getexename(real);
ASSERT_MESSAGE(!string_empty(app_path.c_str()), "failed to deduce app path");
}
}
#endif
#ifdef WIN32
#include <windows.h>
#include <shfolder.h>
void environment_init(int argc, char* argv[])
{
args_init(argc, argv);
{
char appdata[MAX_PATH+1];
SHGetFolderPath(0, CSIDL_APPDATA, 0, 0, appdata);
StringOutputStream home(256);
if(string_empty(appdata))
{
ERROR_MESSAGE("Application Data folder not available.\n"
"Please install shfolder redistributable package.\n"
"Radiant will use C:\\ for user preferences.\n");
home << "C:";
}
else
{
home << PathCleaned(appdata);
}
home << "/RadiantSettings/";
Q_mkdir(home.c_str());
home_path = home.c_str();
}
{
// get path to the editor
char filename[MAX_PATH+1];
GetModuleFileName(0, filename, MAX_PATH);
char* last_separator = strrchr(filename, '\\');
if(last_separator != 0)
{
*(last_separator+1) = '\0';
}
else
{
filename[0] = '\0';
}
StringOutputStream app(256);
app << PathCleaned(filename);
app_path = app.c_str();
}
}
#endif
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