# unix.cpp

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    00001 /* $Id: unix.cpp 18809 2010-01-15 16:41:15Z rubidium $ */
    00002
    00003 /*
    00004  * This file is part of OpenTTD.
    00005  * 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.
    00006  * 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.
    00007  * 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/>.
    00008  */
    00009
    00012 #include "../../stdafx.h"
    00013 #include "../../textbuf_gui.h"
    00014 #include "../../functions.h"
    00015 #include "../../crashlog.h"
    00016 #include "../../core/random_func.hpp"
    00017
    00018
    00019 #include <dirent.h>
    00020 #include <unistd.h>
    00021 #include <sys/stat.h>
    00022 #include <time.h>
    00023 #include <signal.h>
    00024
    00025 #ifdef __APPLE__
    00026   #include <sys/mount.h>
    00027 #elif (defined(_POSIX_VERSION) && _POSIX_VERSION >= 200112L) || defined(__GLIBC__)
    00028   #define HAS_STATVFS
    00029 #endif
    00030
    00031 #ifdef HAS_STATVFS
    00032 #include <sys/statvfs.h>
    00033 #endif
    00034
    00035
    00036 #ifdef __MORPHOS__
    00037 #include <exec/types.h>
    00038 ULONG __stack = (1024*1024)*2; // maybe not that much is needed actually ;)
    00039
    00040 /* The system supplied definition of SIG_IGN does not match */
    00041 #undef SIG_IGN
    00042 #define SIG_IGN (void (*)(int))1
    00043 #endif /* __MORPHOS__ */
    00044
    00045 #ifdef __AMIGA__
    00046 #warning add stack symbol to avoid that user needs to set stack manually (tokai)
    00047 // ULONG __stack =
    00048 #endif
    00049
    00050 #if defined(__APPLE__)
    00051   #if defined(WITH_SDL)
    00052     /* the mac implementation needs this file included in the same file as main() */
    00053     #include <SDL.h>
    00054   #endif
    00055 #endif
    00056
    00057 bool FiosIsRoot(const char *path)
    00058 {
    00059 #if !defined(__MORPHOS__) && !defined(__AMIGAOS__)
    00060   return path[1] == '\0';
    00061 #else
    00062   /* On MorphOS or AmigaOS paths look like: "Volume:directory/subdirectory" */
    00063   const char *s = strchr(path, ':');
    00064   return s != NULL && s[1] == '\0';
    00065 #endif
    00066 }
    00067
    00068 void FiosGetDrives()
    00069 {
    00070   return;
    00071 }
    00072
    00073 bool FiosGetDiskFreeSpace(const char *path, uint64 *tot)
    00074 {
    00075   uint64 free = 0;
    00076
    00077 #ifdef __APPLE__
    00078   struct statfs s;
    00079
    00080   if (statfs(path, &s) != 0) return false;
    00081   free = (uint64)s.f_bsize * s.f_bavail;
    00082 #elif defined(HAS_STATVFS)
    00083   struct statvfs s;
    00084
    00085   if (statvfs(path, &s) != 0) return false;
    00086   free = (uint64)s.f_frsize * s.f_bavail;
    00087 #endif
    00088   if (tot != NULL) *tot = free;
    00089   return true;
    00090 }
    00091
    00092 bool FiosIsValidFile(const char *path, const struct dirent *ent, struct stat *sb)
    00093 {
    00094   char filename[MAX_PATH];
    00095
    00096 #if defined(__MORPHOS__) || defined(__AMIGAOS__)
    00097   /* On MorphOS or AmigaOS paths look like: "Volume:directory/subdirectory" */
    00098   if (FiosIsRoot(path)) {
    00099     snprintf(filename, lengthof(filename), "%s:%s", path, ent->d_name);
    00100   } else // XXX - only next line!
    00101 #else
    00102   assert(path[strlen(path) - 1] == PATHSEPCHAR);
    00103   if (strlen(path) > 2) assert(path[strlen(path) - 2] != PATHSEPCHAR);
    00104 #endif
    00105   snprintf(filename, lengthof(filename), "%s%s", path, ent->d_name);
    00106
    00107   return stat(filename, sb) == 0;
    00108 }
    00109
    00110 bool FiosIsHiddenFile(const struct dirent *ent)
    00111 {
    00112   return ent->d_name[0] == '.';
    00113 }
    00114
    00115 #ifdef WITH_ICONV
    00116
    00117 #include <iconv.h>
    00118 #include <errno.h>
    00119 #include "../../debug.h"
    00120 #include "../../string_func.h"
    00121
    00122 const char *GetCurrentLocale(const char *param);
    00123
    00124 #define INTERNALCODE "UTF-8"
    00125
    00129 static const char *GetLocalCode()
    00130 {
    00131 #if defined(__APPLE__)
    00132   return "UTF-8-MAC";
    00133 #else
    00134   /* Strip locale (eg en_US.UTF-8) to only have UTF-8 */
    00135   const char *locale = GetCurrentLocale("LC_CTYPE");
    00136   if (locale != NULL) locale = strchr(locale, '.');
    00137
    00138   return (locale == NULL) ? "" : locale + 1;
    00139 #endif
    00140 }
    00141
    00146 static const char *convert_tofrom_fs(iconv_t convd, const char *name)
    00147 {
    00148   static char buf[1024];
    00149   /* Work around buggy iconv implementation where inbuf is wrongly typed as
    00150    * non-const. Correct implementation is at
    00151    * http://www.opengroup.org/onlinepubs/007908799/xsh/iconv.html */
    00152 #ifdef HAVE_BROKEN_ICONV
    00153   char *inbuf = const_cast<char*>(name);
    00154 #else
    00155   const char *inbuf = name;
    00156 #endif
    00157
    00158   char *outbuf  = buf;
    00159   size_t outlen = sizeof(buf) - 1;
    00160   size_t inlen  = strlen(name);
    00161
    00162   strecpy(outbuf, name, outbuf + outlen);
    00163
    00164   iconv(convd, NULL, NULL, NULL, NULL);
    00165   if (iconv(convd, &inbuf, &inlen, &outbuf, &outlen) == (size_t)(-1)) {
    00166     DEBUG(misc, 0, "[iconv] error converting '%s'. Errno %d", name, errno);
    00167   }
    00168
    00169   *outbuf = '\0';
    00170   /* FIX: invalid characters will abort conversion, but they shouldn't occur? */
    00171   return buf;
    00172 }
    00173
    00177 const char *OTTD2FS(const char *name)
    00178 {
    00179   static iconv_t convd = (iconv_t)(-1);
    00180
    00181   if (convd == (iconv_t)(-1)) {
    00182     const char *env = GetLocalCode();
    00183     convd = iconv_open(env, INTERNALCODE);
    00184     if (convd == (iconv_t)(-1)) {
    00185       DEBUG(misc, 0, "[iconv] conversion from codeset '%s' to '%s' unsupported", INTERNALCODE, env);
    00186       return name;
    00187     }
    00188   }
    00189
    00190   return convert_tofrom_fs(convd, name);
    00191 }
    00192
    00196 const char *FS2OTTD(const char *name)
    00197 {
    00198   static iconv_t convd = (iconv_t)(-1);
    00199
    00200   if (convd == (iconv_t)(-1)) {
    00201     const char *env = GetLocalCode();
    00202     convd = iconv_open(INTERNALCODE, env);
    00203     if (convd == (iconv_t)(-1)) {
    00204       DEBUG(misc, 0, "[iconv] conversion from codeset '%s' to '%s' unsupported", env, INTERNALCODE);
    00205       return name;
    00206     }
    00207   }
    00208
    00209   return convert_tofrom_fs(convd, name);
    00210 }
    00211
    00212 #else
    00213 const char *FS2OTTD(const char *name) {return name;}
    00214 const char *OTTD2FS(const char *name) {return name;}
    00215 #endif /* WITH_ICONV */
    00216
    00217 void ShowInfo(const char *str)
    00218 {
    00219   fprintf(stderr, "%s\n", str);
    00220 }
    00221
    00222 #if !defined(__APPLE__)
    00223 void ShowOSErrorBox(const char *buf, bool system)
    00224 {
    00225   /* All unix systems, except OSX. Only use escape codes on a TTY. */
    00226   if (isatty(fileno(stderr))) {
    00227     fprintf(stderr, "\033[1;31mError: %s\033[0;39m\n", buf);
    00228   } else {
    00229     fprintf(stderr, "Error: %s\n", buf);
    00230   }
    00231 }
    00232 #endif
    00233
    00234 #ifdef WITH_COCOA
    00235 void cocoaSetupAutoreleasePool();
    00236 void cocoaReleaseAutoreleasePool();
    00237 #endif
    00238
    00239 int CDECL main(int argc, char *argv[])
    00240 {
    00241   int ret;
    00242
    00243 #ifdef WITH_COCOA
    00244   cocoaSetupAutoreleasePool();
    00245   /* This is passed if we are launched by double-clicking */
    00246   if (argc >= 2 && strncmp(argv[1], "-psn", 4) == 0) {
    00247     argv[1] = NULL;
    00248     argc = 1;
    00249   }
    00250 #endif
    00251   CrashLog::InitialiseCrashLog();
    00252
    00253   SetRandomSeed(time(NULL));
    00254
    00255   signal(SIGPIPE, SIG_IGN);
    00256
    00257   ret = ttd_main(argc, argv);
    00258
    00259 #ifdef WITH_COCOA
    00260   cocoaReleaseAutoreleasePool();
    00261 #endif
    00262
    00263   return ret;
    00264 }
    00265
    00266 #ifndef WITH_COCOA
    00267 bool GetClipboardContents(char *buffer, size_t buff_len)
    00268 {
    00269   return false;
    00270 }
    00271 #endif
    00272
    00273
    00274 /* multi os compatible sleep function */
    00275
    00276 #ifdef __AMIGA__
    00277 /* usleep() implementation */
    00278 # include <devices/timer.h>
    00279 # include <dos/dos.h>
    00280
    00281   extern struct Device      *TimerBase    = NULL;
    00282   extern struct MsgPort     *TimerPort    = NULL;
    00283   extern struct timerequest *TimerRequest = NULL;
    00284 #endif /* __AMIGA__ */
    00285
    00286 void CSleep(int milliseconds)
    00287 {
    00288   #if defined(PSP)
    00289     sceKernelDelayThread(milliseconds * 1000);
    00290   #elif defined(__BEOS__)
    00291     snooze(milliseconds * 1000);
    00292   #elif defined(__AMIGA__)
    00293   {
    00294     ULONG signals;
    00295     ULONG TimerSigBit = 1 << TimerPort->mp_SigBit;
    00296
    00297     /* send IORequest */
    00298     TimerRequest->tr_node.io_Command = TR_ADDREQUEST;
    00299     TimerRequest->tr_time.tv_secs    = (milliseconds * 1000) / 1000000;
    00300     TimerRequest->tr_time.tv_micro   = (milliseconds * 1000) % 1000000;
    00301     SendIO((struct IORequest *)TimerRequest);
    00302
    00303     if (!((signals = Wait(TimerSigBit | SIGBREAKF_CTRL_C)) & TimerSigBit) ) {
    00304       AbortIO((struct IORequest *)TimerRequest);
    00305     }
    00306     WaitIO((struct IORequest *)TimerRequest);
    00307   }
    00308   #else
    00309     usleep(milliseconds * 1000);
    00310   #endif
    00311 }