unix.cpp

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00001 /* $Id: unix.cpp 11828 2008-01-13 01:21:35Z rubidium $ */
00002 
00005 #include "stdafx.h"
00006 #include "openttd.h"
00007 #include "variables.h"
00008 #include "textbuf_gui.h"
00009 #include "functions.h"
00010 #include "core/random_func.hpp"
00011 
00012 #include "table/strings.h"
00013 
00014 #include <dirent.h>
00015 #include <unistd.h>
00016 #include <sys/stat.h>
00017 #include <time.h>
00018 #include <signal.h>
00019 
00020 #if (defined(_POSIX_VERSION) && _POSIX_VERSION >= 200112L) || defined(__GLIBC__)
00021   #define HAS_STATVFS
00022 #endif
00023 
00024 #ifdef HAS_STATVFS
00025 #include <sys/statvfs.h>
00026 #endif
00027 
00028 
00029 #ifdef __MORPHOS__
00030 #include <exec/types.h>
00031 ULONG __stack = (1024*1024)*2; // maybe not that much is needed actually ;)
00032 
00033 /* The system supplied definition of SIG_IGN does not match */
00034 #undef SIG_IGN
00035 #define SIG_IGN (void (*)(int))1
00036 #endif /* __MORPHOS__ */
00037 
00038 #ifdef __AMIGA__
00039 #warning add stack symbol to avoid that user needs to set stack manually (tokai)
00040 // ULONG __stack =
00041 #endif
00042 
00043 #if defined(__APPLE__)
00044   #if defined(WITH_SDL)
00045     /*the mac implementation needs this file included in the same file as main() */
00046     #include <SDL.h>
00047   #endif
00048 #endif
00049 
00050 bool FiosIsRoot(const char *path)
00051 {
00052 #if !defined(__MORPHOS__) && !defined(__AMIGAOS__)
00053   return path[1] == '\0';
00054 #else
00055   /* On MorphOS or AmigaOS paths look like: "Volume:directory/subdirectory" */
00056   const char *s = strchr(path, ':');
00057   return s != NULL && s[1] == '\0';
00058 #endif
00059 }
00060 
00061 void FiosGetDrives()
00062 {
00063   return;
00064 }
00065 
00066 bool FiosGetDiskFreeSpace(const char *path, uint32 *tot)
00067 {
00068   uint32 free = 0;
00069 
00070 #ifdef HAS_STATVFS
00071 # ifdef __APPLE__
00072   /* OSX 10.3 lacks statvfs so don't try to use it even though later versions of OSX has it. */
00073   if (MacOSVersionIsAtLeast(10, 4, 0))
00074 # endif
00075   {
00076     struct statvfs s;
00077 
00078     if (statvfs(path, &s) != 0) return false;
00079     free = (uint64)s.f_frsize * s.f_bavail >> 20;
00080   }
00081 #endif
00082   if (tot != NULL) *tot = free;
00083   return true;
00084 }
00085 
00086 bool FiosIsValidFile(const char *path, const struct dirent *ent, struct stat *sb)
00087 {
00088   char filename[MAX_PATH];
00089 
00090 #if defined(__MORPHOS__) || defined(__AMIGAOS__)
00091   /* On MorphOS or AmigaOS paths look like: "Volume:directory/subdirectory" */
00092   if (FiosIsRoot(path)) {
00093     snprintf(filename, lengthof(filename), "%s:%s", path, ent->d_name);
00094   } else // XXX - only next line!
00095 #else
00096   assert(path[strlen(path) - 1] == PATHSEPCHAR);
00097   if (strlen(path) > 2) assert(path[strlen(path) - 2] != PATHSEPCHAR);
00098 #endif
00099   snprintf(filename, lengthof(filename), "%s%s", path, ent->d_name);
00100 
00101   return stat(filename, sb) == 0;
00102 }
00103 
00104 bool FiosIsHiddenFile(const struct dirent *ent)
00105 {
00106   return ent->d_name[0] == '.';
00107 }
00108 
00109 void ShowInfo(const char *str)
00110 {
00111   fprintf(stderr, "%s\n", str);
00112 }
00113 
00114 void ShowOSErrorBox(const char *buf)
00115 {
00116 #if defined(__APPLE__)
00117   /* this creates an NSAlertPanel with the contents of 'buf'
00118    * this is the native and nicest way to do this on OSX */
00119   ShowMacDialog( buf, "See readme for more info\nMost likely you are missing files from the original TTD", "Quit" );
00120 #else
00121   /* all systems, but OSX */
00122   fprintf(stderr, "\033[1;31mError: %s\033[0;39m\n", buf);
00123 #endif
00124 }
00125 
00126 #ifdef WITH_COCOA
00127 void cocoaSetupAutoreleasePool();
00128 void cocoaReleaseAutoreleasePool();
00129 #endif
00130 
00131 int CDECL main(int argc, char* argv[])
00132 {
00133   int ret;
00134 
00135 #ifdef WITH_COCOA
00136   cocoaSetupAutoreleasePool();
00137   /* This is passed if we are launched by double-clicking */
00138   if (argc >= 2 && strncmp(argv[1], "-psn", 4) == 0) {
00139     argv[1] = NULL;
00140     argc = 1;
00141   }
00142 #endif
00143 
00144   SetRandomSeed(time(NULL));
00145 
00146   signal(SIGPIPE, SIG_IGN);
00147 
00148   ret = ttd_main(argc, argv);
00149 
00150 #ifdef WITH_COCOA
00151   cocoaReleaseAutoreleasePool();
00152 #endif
00153 
00154   return ret;
00155 }
00156 
00157 bool InsertTextBufferClipboard(Textbuf *tb)
00158 {
00159   return false;
00160 }
00161 
00162 
00163 /* multi os compatible sleep function */
00164 
00165 #ifdef __AMIGA__
00166 /* usleep() implementation */
00167 # include <devices/timer.h>
00168 # include <dos/dos.h>
00169 
00170   extern struct Device      *TimerBase    = NULL;
00171   extern struct MsgPort     *TimerPort    = NULL;
00172   extern struct timerequest *TimerRequest = NULL;
00173 #endif // __AMIGA__
00174 
00175 void CSleep(int milliseconds)
00176 {
00177   #if defined(PSP)
00178     sceKernelDelayThread(milliseconds * 1000);
00179   #elif defined(__BEOS__)
00180     snooze(milliseconds * 1000);
00181   #elif defined(__AMIGA__)
00182   {
00183     ULONG signals;
00184     ULONG TimerSigBit = 1 << TimerPort->mp_SigBit;
00185 
00186     /* send IORequest */
00187     TimerRequest->tr_node.io_Command = TR_ADDREQUEST;
00188     TimerRequest->tr_time.tv_secs    = (milliseconds * 1000) / 1000000;
00189     TimerRequest->tr_time.tv_micro   = (milliseconds * 1000) % 1000000;
00190     SendIO((struct IORequest *)TimerRequest);
00191 
00192     if (!((signals = Wait(TimerSigBit | SIGBREAKF_CTRL_C)) & TimerSigBit) ) {
00193       AbortIO((struct IORequest *)TimerRequest);
00194     }
00195     WaitIO((struct IORequest *)TimerRequest);
00196   }
00197   #else
00198     usleep(milliseconds * 1000);
00199   #endif
00200 }
00201 
00202 #ifdef WITH_ICONV
00203 
00204 #include <iconv.h>
00205 #include <errno.h>
00206 #include "debug.h"
00207 #include "string_func.h"
00208 
00209 #define INTERNALCODE "UTF-8"
00210 
00214 static const char *GetLocalCode()
00215 {
00216 #if defined(__APPLE__)
00217   return "UTF-8-MAC";
00218 #else
00219   /* Strip locale (eg en_US.UTF-8) to only have UTF-8 */
00220   const char *locale = GetCurrentLocale("LC_CTYPE");
00221   if (locale != NULL) locale = strchr(locale, '.');
00222 
00223   return (locale == NULL) ? "" : locale + 1;
00224 #endif
00225 }
00226 
00232 static const char *convert_tofrom_fs(iconv_t convd, const char *name)
00233 {
00234   static char buf[1024];
00235   /* Work around buggy iconv implementation where inbuf is wrongly typed as
00236    * non-const. Correct implementation is at
00237    * http://www.opengroup.org/onlinepubs/007908799/xsh/iconv.html */
00238 #ifdef HAVE_BROKEN_ICONV
00239   char *inbuf = (char*)name;
00240 #else
00241   const char *inbuf = name;
00242 #endif
00243 
00244   char *outbuf  = buf;
00245   size_t outlen = sizeof(buf) - 1;
00246   size_t inlen  = strlen(name);
00247 
00248   ttd_strlcpy(outbuf, name, sizeof(buf));
00249 
00250   iconv(convd, NULL, NULL, NULL, NULL);
00251   if (iconv(convd, &inbuf, &inlen, &outbuf, &outlen) == (size_t)(-1)) {
00252     DEBUG(misc, 0, "[iconv] error converting '%s'. Errno %d", name, errno);
00253   }
00254 
00255   *outbuf = '\0';
00256   /* FIX: invalid characters will abort conversion, but they shouldn't occur? */
00257   return buf;
00258 }
00259 
00263 const char *OTTD2FS(const char *name)
00264 {
00265   static iconv_t convd = (iconv_t)(-1);
00266 
00267   if (convd == (iconv_t)(-1)) {
00268     const char *env = GetLocalCode();
00269     convd = iconv_open(env, INTERNALCODE);
00270     if (convd == (iconv_t)(-1)) {
00271       DEBUG(misc, 0, "[iconv] conversion from codeset '%s' to '%s' unsupported", INTERNALCODE, env);
00272       return name;
00273     }
00274   }
00275 
00276   return convert_tofrom_fs(convd, name);
00277 }
00278 
00282 const char *FS2OTTD(const char *name)
00283 {
00284   static iconv_t convd = (iconv_t)(-1);
00285 
00286   if (convd == (iconv_t)(-1)) {
00287     const char *env = GetLocalCode();
00288     convd = iconv_open(INTERNALCODE, env);
00289     if (convd == (iconv_t)(-1)) {
00290       DEBUG(misc, 0, "[iconv] conversion from codeset '%s' to '%s' unsupported", env, INTERNALCODE);
00291       return name;
00292     }
00293   }
00294 
00295   return convert_tofrom_fs(convd, name);
00296 }
00297 
00298 #else
00299 const char *FS2OTTD(const char *name) {return name;}
00300 const char *OTTD2FS(const char *name) {return name;}
00301 #endif /* WITH_ICONV */

Generated on Mon Sep 22 20:34:20 2008 for openttd by  doxygen 1.5.6