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Location: cpp/openttd-patchpack/source/src/os/unix/unix.cpp
r20538:8bef30d1ed50
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(svn r25564) -Add: a simple clipping rule to decide whether a string without linebreaks is visible before computing the layouting. This skips around 2/3 of layout computations in usual-sized list-like windows.
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/*
* This file is part of OpenTTD.
* OpenTTD 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, version 2.
* OpenTTD 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 OpenTTD. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file unix.cpp Implementation of Unix specific file handling. */
#include "../../stdafx.h"
#include "../../textbuf_gui.h"
#include "../../openttd.h"
#include "../../crashlog.h"
#include "../../core/random_func.hpp"
#include "../../debug.h"
#include <dirent.h>
#include <unistd.h>
#include <sys/stat.h>
#include <time.h>
#include <signal.h>
#ifdef __APPLE__
#include <sys/mount.h>
#elif (defined(_POSIX_VERSION) && _POSIX_VERSION >= 200112L) || defined(__GLIBC__)
#define HAS_STATVFS
#endif
#if defined(OPENBSD) || defined(__NetBSD__) || defined(__FreeBSD__)
#define HAS_SYSCTL
#endif
#ifdef HAS_STATVFS
#include <sys/statvfs.h>
#endif
#ifdef HAS_SYSCTL
#include <sys/sysctl.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)
// 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 != NULL && s[1] == '\0';
#endif
}
void FiosGetDrives()
{
return;
}
bool FiosGetDiskFreeSpace(const char *path, uint64 *tot)
{
uint64 free = 0;
#ifdef __APPLE__
struct statfs s;
if (statfs(path, &s) != 0) return false;
free = (uint64)s.f_bsize * s.f_bavail;
#elif defined(HAS_STATVFS)
struct statvfs s;
if (statvfs(path, &s) != 0) return false;
free = (uint64)s.f_frsize * s.f_bavail;
#endif
if (tot != NULL) *tot = free;
return true;
}
bool FiosIsValidFile(const char *path, const struct dirent *ent, struct stat *sb)
{
char filename[MAX_PATH];
int res;
#if defined(__MORPHOS__) || defined(__AMIGAOS__)
/* On MorphOS or AmigaOS paths look like: "Volume:directory/subdirectory" */
if (FiosIsRoot(path)) {
res = snprintf(filename, lengthof(filename), "%s:%s", path, ent->d_name);
} else // XXX - only next line!
#else
assert(path[strlen(path) - 1] == PATHSEPCHAR);
if (strlen(path) > 2) assert(path[strlen(path) - 2] != PATHSEPCHAR);
#endif
res = snprintf(filename, lengthof(filename), "%s%s", path, ent->d_name);
/* Could we fully concatenate the path and filename? */
if (res >= (int)lengthof(filename) || res < 0) return false;
return stat(filename, sb) == 0;
}
bool FiosIsHiddenFile(const struct dirent *ent)
{
return ent->d_name[0] == '.';
}
#ifdef WITH_ICONV
#include <iconv.h>
#include <errno.h>
#include "../../debug.h"
#include "../../string_func.h"
const char *GetCurrentLocale(const char *param);
#define INTERNALCODE "UTF-8"
/**
* 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()
{
#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
}
/**
* Convert between locales, which from and which to is set in the calling
* functions OTTD2FS() and FS2OTTD().
*/
static const char *convert_tofrom_fs(iconv_t convd, const char *name)
{
static char buf[1024];
/* There are different implementations of iconv. The older ones,
* e.g. SUSv2, pass a const pointer, whereas the newer ones, e.g.
* IEEE 1003.1 (2004), pass a non-const pointer. */
#ifdef HAVE_NON_CONST_ICONV
char *inbuf = const_cast<char*>(name);
#else
const char *inbuf = name;
#endif
char *outbuf = buf;
size_t outlen = sizeof(buf) - 1;
size_t inlen = strlen(name);
strecpy(outbuf, name, outbuf + outlen);
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 */
void ShowInfo(const char *str)
{
fprintf(stderr, "%s\n", str);
}
#if !defined(__APPLE__)
void ShowOSErrorBox(const char *buf, bool system)
{
/* All unix systems, except OSX. Only use escape codes on a TTY. */
if (isatty(fileno(stderr))) {
fprintf(stderr, "\033[1;31mError: %s\033[0;39m\n", buf);
} else {
fprintf(stderr, "Error: %s\n", buf);
}
}
#endif
#ifdef WITH_COCOA
void cocoaSetupAutoreleasePool();
void cocoaReleaseAutoreleasePool();
#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;
}
#endif
CrashLog::InitialiseCrashLog();
SetRandomSeed(time(NULL));
signal(SIGPIPE, SIG_IGN);
ret = openttd_main(argc, argv);
#ifdef WITH_COCOA
cocoaReleaseAutoreleasePool();
#endif
return ret;
}
#ifndef WITH_COCOA
bool GetClipboardContents(char *buffer, size_t buff_len)
{
return false;
}
#endif
/* 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(PSP)
sceKernelDelayThread(milliseconds * 1000);
#elif defined(__BEOS__)
snooze(milliseconds * 1000);
#elif 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);
}
#else
usleep(milliseconds * 1000);
#endif
}
#ifndef __APPLE__
uint GetCPUCoreCount()
{
uint count = 1;
#ifdef HAS_SYSCTL
int ncpu = 0;
size_t len = sizeof(ncpu);
if (sysctlbyname("hw.availcpu", &ncpu, &len, NULL, 0) < 0) {
sysctlbyname("hw.ncpu", &ncpu, &len, NULL, 0);
}
if (ncpu > 0) count = ncpu;
#elif defined(_SC_NPROCESSORS_ONLN)
long res = sysconf(_SC_NPROCESSORS_ONLN);
if (res > 0) count = res;
#endif
return count;
}
void OSOpenBrowser(const char *url)
{
pid_t child_pid = fork();
if (child_pid != 0) return;
const char *args[3];
args[0] = "/usr/bin/xdg-open";
args[1] = url;
args[2] = NULL;
execv(args[0], const_cast<char * const *>(args));
DEBUG(misc, 0, "Failed to open url: %s", url);
exit(0);
}
#endif
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