OpenTTD-patches/unix.c

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/* $Id$ */
#include "stdafx.h"
#include "openttd.h"
#include "functions.h"
#include "window.h"
#include "string.h"
#include "table/strings.h"
#include "variables.h"
#include <dirent.h>
#include <unistd.h>
#include <sys/stat.h>
#include <time.h>
#include <signal.h>
#ifdef USE_HOMEDIR
#include <pwd.h>
#endif
#if (defined(_POSIX_VERSION) && _POSIX_VERSION >= 200112L) || defined(__GLIBC__)
#define HAS_STATVFS
#endif
#ifdef HAS_STATVFS
#include <sys/statvfs.h>
#endif
#ifdef __MORPHOS__
#include <exec/types.h>
ULONG __stack = (1024*1024)*2; // maybe not that much is needed actually ;)
// The system supplied definition of SIG_IGN does not match
#undef SIG_IGN
#define SIG_IGN (void (*)(int))1
#endif /* __MORPHOS__ */
#ifdef __AMIGA__
#warning add stack symbol to avoid that user needs to set stack manually (tokai)
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// ULONG __stack =
#endif
#if defined(__APPLE__)
#if defined(WITH_SDL)
//the mac implementation needs this file included in the same file as main()
#include <SDL.h>
#endif
#endif
bool FiosIsRoot(const char *path)
{
#if !defined(__MORPHOS__) && !defined(__AMIGAOS__)
return path[1] == '\0';
#else
/* On MorphOS or AmigaOS paths look like: "Volume:directory/subdirectory" */
const char *s = strchr(path, ':');
return s[1] == '\0';
#endif
}
void FiosGetDrives(void)
{
return;
}
bool FiosGetDiskFreeSpace(const char *path, uint32 *tot)
{
uint32 free = 0;
#ifdef HAS_STATVFS
{
struct statvfs s;
if (statvfs(path, &s) != 0) return false;
free = (uint64)s.f_frsize * s.f_bavail >> 20;
}
#endif
if (tot != NULL) *tot = free;
return true;
}
bool FiosIsValidFile(const char *path, const struct dirent *ent, struct stat *sb)
{
char filename[MAX_PATH];
#if defined(__MORPHOS__) || defined(__AMIGAOS__)
/* On MorphOS or AmigaOS paths look like: "Volume:directory/subdirectory" */
if (FiosIsRoot(path)) {
snprintf(filename, lengthof(filename), "%s:%s", path, ent->d_name);
} else // XXX - only next line!
#endif
snprintf(filename, lengthof(filename), "%s" PATHSEP "%s", path, ent->d_name);
if (stat(filename, sb) != 0) return false;
return (ent->d_name[0] != '.'); // hidden file
}
#if defined(__BEOS__) || defined(__linux__)
static void ChangeWorkingDirectory(char *exe)
{
char *s = strrchr(exe, '/');
if (s != NULL) {
*s = '\0';
chdir(exe);
*s = '/';
}
}
#endif
void ShowInfo(const char *str)
{
puts(str);
}
void ShowOSErrorBox(const char *buf)
{
#if defined(__APPLE__)
// this creates an NSAlertPanel with the contents of 'buf'
// this is the native and nicest way to do this on OSX
ShowMacDialog( buf, "See readme for more info\nMost likely you are missing files from the original TTD", "Quit" );
#else
// all systems, but OSX
fprintf(stderr, "\033[1;31mError: %s\033[0;39m\n", buf);
#endif
}
#ifdef WITH_COCOA
void cocoaSetWorkingDirectory(void);
void cocoaSetupAutoreleasePool(void);
void cocoaReleaseAutoreleasePool(void);
#endif
int CDECL main(int argc, char* argv[])
{
int ret;
#ifdef WITH_COCOA
cocoaSetupAutoreleasePool();
/* This is passed if we are launched by double-clicking */
if (argc >= 2 && strncmp(argv[1], "-psn", 4) == 0) {
argv[1] = NULL;
argc = 1;
cocoaSetWorkingDirectory();
}
#endif
// change the working directory to enable doubleclicking in UIs
#if defined(__BEOS__) || defined(__linux__)
ChangeWorkingDirectory(argv[0]);
#endif
_random_seeds[0][1] = _random_seeds[0][0] = time(NULL);
SeedMT(_random_seeds[0][1]);
signal(SIGPIPE, SIG_IGN);
ret = ttd_main(argc, argv);
#ifdef WITH_COCOA
cocoaReleaseAutoreleasePool();
#endif
return ret;
}
void DeterminePaths(void)
{
char *s;
_path.game_data_dir = malloc(MAX_PATH);
ttd_strlcpy(_path.game_data_dir, GAME_DATA_DIR, MAX_PATH);
#if defined SECOND_DATA_DIR
_path.second_data_dir = malloc(MAX_PATH);
ttd_strlcpy(_path.second_data_dir, SECOND_DATA_DIR, MAX_PATH);
#endif
#if defined(USE_HOMEDIR)
{
const char *homedir = getenv("HOME");
if (homedir == NULL) {
const struct passwd *pw = getpwuid(getuid());
if (pw != NULL) homedir = pw->pw_dir;
}
_path.personal_dir = str_fmt("%s" PATHSEP "%s", homedir, PERSONAL_DIR);
}
#else /* not defined(USE_HOMEDIR) */
_path.personal_dir = malloc(MAX_PATH);
ttd_strlcpy(_path.personal_dir, PERSONAL_DIR, MAX_PATH);
// check if absolute or relative path
s = strchr(_path.personal_dir, '/');
// add absolute path
if (s == NULL || _path.personal_dir != s) {
getcwd(_path.personal_dir, MAX_PATH);
s = strchr(_path.personal_dir, 0);
*s++ = '/';
ttd_strlcpy(s, PERSONAL_DIR, MAX_PATH);
}
#endif /* defined(USE_HOMEDIR) */
s = strchr(_path.personal_dir, 0);
// append a / ?
if (s[-1] != '/') strcpy(s, "/");
_path.save_dir = str_fmt("%ssave", _path.personal_dir);
_path.autosave_dir = str_fmt("%s/autosave", _path.save_dir);
_path.scenario_dir = str_fmt("%sscenario", _path.personal_dir);
_path.gm_dir = str_fmt("%sgm/", _path.game_data_dir);
_path.data_dir = str_fmt("%sdata/", _path.game_data_dir);
if (_config_file == NULL)
_config_file = str_fmt("%sopenttd.cfg", _path.personal_dir);
_highscore_file = str_fmt("%shs.dat", _path.personal_dir);
_log_file = str_fmt("%sopenttd.log", _path.personal_dir);
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#if defined CUSTOM_LANG_DIR
// sets the search path for lng files to the custom one
_path.lang_dir = malloc( MAX_PATH );
ttd_strlcpy( _path.lang_dir, CUSTOM_LANG_DIR, MAX_PATH);
#else
_path.lang_dir = str_fmt("%slang/", _path.game_data_dir);
#endif
// create necessary folders
mkdir(_path.personal_dir, 0755);
mkdir(_path.save_dir, 0755);
mkdir(_path.autosave_dir, 0755);
mkdir(_path.scenario_dir, 0755);
}
bool InsertTextBufferClipboard(Textbuf *tb)
{
return false;
}
// multi os compatible sleep function
#ifdef __AMIGA__
// usleep() implementation
# include <devices/timer.h>
# include <dos/dos.h>
extern struct Device *TimerBase = NULL;
extern struct MsgPort *TimerPort = NULL;
extern struct timerequest *TimerRequest = NULL;
#endif // __AMIGA__
void CSleep(int milliseconds)
{
#if !defined(__BEOS__) && !defined(__AMIGA__)
usleep(milliseconds * 1000);
#endif
#ifdef __BEOS__
snooze(milliseconds * 1000);
#endif
#if defined(__AMIGA__)
{
ULONG signals;
ULONG TimerSigBit = 1 << TimerPort->mp_SigBit;
// send IORequest
TimerRequest->tr_node.io_Command = TR_ADDREQUEST;
TimerRequest->tr_time.tv_secs = (milliseconds * 1000) / 1000000;
TimerRequest->tr_time.tv_micro = (milliseconds * 1000) % 1000000;
SendIO((struct IORequest *)TimerRequest);
if (!((signals = Wait(TimerSigBit | SIGBREAKF_CTRL_C)) & TimerSigBit) ) {
AbortIO((struct IORequest *)TimerRequest);
}
WaitIO((struct IORequest *)TimerRequest);
}
#endif // __AMIGA__
}
#ifdef WITH_ICONV
#include <iconv.h>
#include <errno.h>
#include "debug.h"
#define INTERNALCODE "ISO-8859-15"
/** Try and try to decipher the current locale from environmental
* variables. MacOSX is hardcoded, other OS's are dynamic. If no suitable
* locale can be found, don't do any conversion "" */
static const char *GetLocalCode(void)
{
#if defined(__APPLE__)
return "UTF-8-MAC";
#else
/* Strip locale (eg en_US.UTF-8) to only have UTF-8 */
const char *locale = GetCurrentLocale("LC_CTYPE");
if (locale != NULL) locale = strchr(locale, '.');
return (locale == NULL) ? "" : locale + 1;
#endif
}
/** FYI: This is not thread-safe.
* convert between locales, which from and which to is set in the calling
* functions OTTD2FS() and FS2OTTD(). You should NOT use this function directly
* NOTE: iconv was added in OSX 10.3. 10.2.x will still have the invalid char
* issues. There aren't any easy fix for this */
static const char *convert_tofrom_fs(iconv_t convd, const char *name)
{
static char buf[1024];
/* Work around buggy iconv implementation where inbuf is wrongly typed as
* non-const. Correct implementation is at
* http://www.opengroup.org/onlinepubs/007908799/xsh/iconv.html */
#if defined (__GLIBC__) || defined (__GNU_LIBRARY__)
char *inbuf = (char*)name;
#else
const char *inbuf = name;
#endif
char *outbuf = buf;
size_t outlen = sizeof(buf) - 1;
size_t inlen = strlen(name);
ttd_strlcpy(outbuf, name, sizeof(buf));
iconv(convd, NULL, NULL, NULL, NULL);
if (iconv(convd, &inbuf, &inlen, &outbuf, &outlen) == (size_t)(-1)) {
DEBUG(misc, 0) ("[Iconv] Error converting '%s'. Errno %d", name, errno);
}
*outbuf = '\0';
// FIX: invalid characters will abort conversion, but they shouldn't occur?
return buf;
}
/** Convert from OpenTTD's encoding to that of the local environment
* @param name pointer to a valid string that will be converted
* @return pointer to a new stringbuffer that contains the converted string */
const char *OTTD2FS(const char *name)
{
static iconv_t convd = (iconv_t)(-1);
if (convd == (iconv_t)(-1)) {
const char *env = GetLocalCode();
convd = iconv_open(env, INTERNALCODE);
if (convd == (iconv_t)(-1)) {
DEBUG(misc, 0) ("[iconv] Conversion from codeset '%s' to '%s' unsupported", INTERNALCODE, env);
return name;
}
}
return convert_tofrom_fs(convd, name);
}
/** Convert to OpenTTD's encoding from that of the local environment
* @param name pointer to a valid string that will be converted
* @return pointer to a new stringbuffer that contains the converted string */
const char *FS2OTTD(const char *name)
{
static iconv_t convd = (iconv_t)(-1);
if (convd == (iconv_t)(-1)) {
const char *env = GetLocalCode();
convd = iconv_open(INTERNALCODE, env);
if (convd == (iconv_t)(-1)) {
DEBUG(misc, 0) ("[iconv] Conversion from codeset '%s' to '%s' unsupported", env, INTERNALCODE);
return name;
}
}
return convert_tofrom_fs(convd, name);
}
#else
const char *FS2OTTD(const char *name) {return name;}
const char *OTTD2FS(const char *name) {return name;}
#endif /* WITH_ICONV */