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/**
* Navit, a modular navigation system.
* Copyright (C) 2005-2008 Navit Team
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* version 2 as published by the Free Software Foundation.
*
* This program 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 this program; if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include <locale.h>
#include <stdlib.h>
#include <stdio.h>
#include <getopt.h>
#include <string.h>
#include <signal.h>
#include <glib.h>
#include <sys/types.h>
#ifndef _WIN32
#include <sys/wait.h>
#include <signal.h>
#endif
#include <unistd.h>
#include "config.h"
#include "file.h"
#include "debug.h"
#include "main.h"
#include "navit.h"
#include "gui.h"
#include "xmlconfig.h"
#include "item.h"
#include "coord.h"
#include "route.h"
#include "navigation.h"
#include "event.h"
#include "navit_nls.h"
#if HAVE_API_WIN32_BASE
#include <windows.h>
#include <winbase.h>
#endif
struct map_data *map_data_default;
static void sigchld(int sig)
{
#if !defined(_WIN32) && !defined(__CEGCC__)
int status;
while (waitpid(-1, &status, WNOHANG) > 0);
#endif
}
static gchar *get_home_directory(void)
{
static gchar *homedir = NULL;
if (homedir) return homedir;
homedir = getenv("HOME");
if (!homedir)
{
dbg(0,"Could not find home directory. Using current directory as home directory.\n");
homedir =g_strdup(".");
} else {
homedir=g_strdup(homedir);
}
return homedir;
}
static GList *navit;
struct iter {
GList *list;
};
struct iter *
main_iter_new(void)
{
struct iter *ret=g_new0(struct iter, 1);
ret->list=navit;
return ret;
}
void
main_iter_destroy(struct iter *iter)
{
g_free(iter);
}
struct navit *
main_get_navit(struct iter *iter)
{
GList *list;
struct navit *ret=NULL;
if (iter)
list=iter->list;
else
list=navit;
if (list) {
ret=(struct navit *)(list->data);
if (iter)
iter->list=g_list_next(iter->list);
}
return ret;
}
void
main_add_navit(struct navit *nav)
{
navit=g_list_prepend(navit, nav);
}
void
main_remove_navit(struct navit *nav)
{
navit=g_list_remove(navit, nav);
if (! navit)
event_main_loop_quit();
}
#ifdef HAVE_API_WIN32
void
setenv(char *var, char *val, int overwrite)
{
char *str=g_strdup_printf("%s=%s",var,val);
if (overwrite || !getenv(var))
putenv(str);
g_free(str);
}
#endif
static char *environment_vars[][4]={
{"NAVIT_LIBDIR", ":", ":/lib/navit", ":/lib"},
{"NAVIT_SHAREDIR", ":", ":/share/navit", ":"},
{"NAVIT_LOCALEDIR", ":/../locale", ":/share/locale", ":/locale"},
{"NAVIT_USER_DATADIR", ":", "~/.navit", ":/data"},
{"NAVIT_LOGFILE", NULL, NULL, ":/navit.log"},
{"NAVIT_LIBPREFIX", "*/.libs/", NULL, NULL},
{NULL, NULL, NULL, NULL},
};
static void
main_setup_environment(int mode)
{
int i=0;
char *var,*val;
while ((var=environment_vars[i][0])) {
val=environment_vars[i][mode+1];
if (val) {
switch (val[0]) {
case ':':
val=g_strdup_printf("%s%s", getenv("NAVIT_PREFIX"), val+1);
break;
case '~':
val=g_strdup_printf("%s%s", getenv("HOME"), val+1);
break;
default:
val=g_strdup(val);
break;
}
setenv(var, val, 0);
g_free(val);
}
i++;
}
}
void
main_init(char *program)
{
char *s;
int l;
#ifndef _WIN32
signal(SIGCHLD, sigchld);
#endif
setenv("LC_NUMERIC","C",1);
setlocale(LC_ALL,"");
setlocale(LC_NUMERIC,"C");
if (file_exists("navit.c") || file_exists("navit.o") || file_exists("navit.lo")) {
char buffer[PATH_MAX];
printf(_("Running from source directory\n"));
getcwd(buffer, PATH_MAX);
setenv("NAVIT_PREFIX", buffer, 0);
main_setup_environment(0);
} else {
if (!getenv("NAVIT_PREFIX")) {
int progpath_len;
#ifdef HAVE_API_WIN32_BASE
wchar_t filename[MAX_PATH + 1];
char program[MAX_PATH + 1];
char *cp;
int sz;
#ifdef HAVE_API_WIN32
char *progpath="\\bin\\navit.exe";
sz = GetModuleFileNameW(NULL, filename, MAX_PATH);
#else
char *progpath="\\navit.exe";
sz = GetModuleFileName(NULL, filename, MAX_PATH);
#endif
if (sz > 0)
wcstombs(program, filename, sz + 1);
else
strcpy(program, PREFIX);
#else
char *progpath="/bin/navit";
#endif
l=strlen(program);
progpath_len=strlen(progpath);
if (l > progpath_len && !strcmp(program+l-progpath_len,progpath)) {
s=g_strdup(program);
s[l-progpath_len]='\0';
if (strcmp(s, PREFIX))
printf(_("setting '%s' to '%s'\n"), "NAVIT_PREFIX", s);
setenv("NAVIT_PREFIX", s, 0);
g_free(s);
} else
setenv("NAVIT_PREFIX", PREFIX, 0);
}
#ifdef HAVE_API_WIN32_BASE
setenv("HOME", getenv("NAVIT_PREFIX"), 0);
#endif
#ifdef HAVE_API_WIN32_CE
main_setup_environment(2);
#else
main_setup_environment(1);
#endif
}
if (getenv("LC_ALL"))
dbg(0,"Warning: LC_ALL is set, this might lead to problems\n");
s = getenv("NAVIT_WID");
if (s) {
setenv("SDL_WINDOWID", s, 0);
}
}
void
main_init_nls(void)
{
#ifdef ENABLE_NLS
bindtextdomain(PACKAGE, getenv("NAVIT_LOCALEDIR"));
bind_textdomain_codeset (PACKAGE, "UTF-8");
textdomain(PACKAGE);
#endif
}
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