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annotate src/unix.cpp @ 6632:366317684a80 draft

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(svn r9861) -Fix: null pointer derefence under MorphOS and AmigaOS.
author rubidium <rubidium@openttd.org>
date Thu, 17 May 2007 12:06:47 +0000
parents 72ac8bfaa32f
children 28c91ad7e697
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rev   line source
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1 /* $Id$ */
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3 /** @file unix.cpp */
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5 #include "stdafx.h"
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6 #include "openttd.h"
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7 #include "functions.h"
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8 #include "window.h"
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9 #include "string.h"
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10 #include "table/strings.h"
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11 #include "variables.h"
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12
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13 #include <dirent.h>
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14 #include <unistd.h>
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15 #include <sys/stat.h>
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16 #include <time.h>
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17 #include <signal.h>
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19 #if (defined(_POSIX_VERSION) && _POSIX_VERSION >= 200112L) || defined(__GLIBC__)
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20 #define HAS_STATVFS
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21 #endif
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23 #ifdef HAS_STATVFS
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24 #include <sys/statvfs.h>
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25 #endif
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28 #ifdef __MORPHOS__
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29 #include <exec/types.h>
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30 ULONG __stack = (1024*1024)*2; // maybe not that much is needed actually ;)
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32 /* The system supplied definition of SIG_IGN does not match */
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33 #undef SIG_IGN
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34 #define SIG_IGN (void (*)(int))1
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35 #endif /* __MORPHOS__ */
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36
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37 #ifdef __AMIGA__
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38 #warning add stack symbol to avoid that user needs to set stack manually (tokai)
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39 // ULONG __stack =
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40 #endif
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42 #if defined(__APPLE__)
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43 #if defined(WITH_SDL)
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44 /*the mac implementation needs this file included in the same file as main() */
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45 #include <SDL.h>
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46 #endif
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47 #endif
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49 bool FiosIsRoot(const char *path)
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50 {
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51 #if !defined(__MORPHOS__) && !defined(__AMIGAOS__)
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52 return path[1] == '\0';
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53 #else
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54 /* On MorphOS or AmigaOS paths look like: "Volume:directory/subdirectory" */
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55 const char *s = strchr(path, ':');
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56 return s != NULL && s[1] == '\0';
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57 #endif
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58 }
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59
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60 void FiosGetDrives()
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61 {
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62 return;
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63 }
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65 bool FiosGetDiskFreeSpace(const char *path, uint32 *tot)
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66 {
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67 uint32 free = 0;
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68
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69 #ifdef HAS_STATVFS
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70 {
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71 struct statvfs s;
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72
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73 if (statvfs(path, &s) != 0) return false;
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74 free = (uint64)s.f_frsize * s.f_bavail >> 20;
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75 }
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76 #endif
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77 if (tot != NULL) *tot = free;
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78 return true;
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79 }
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80
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81 bool FiosIsValidFile(const char *path, const struct dirent *ent, struct stat *sb)
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82 {
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83 char filename[MAX_PATH];
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85 #if defined(__MORPHOS__) || defined(__AMIGAOS__)
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86 /* On MorphOS or AmigaOS paths look like: "Volume:directory/subdirectory" */
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87 if (FiosIsRoot(path)) {
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88 snprintf(filename, lengthof(filename), "%s:%s", path, ent->d_name);
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89 } else // XXX - only next line!
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90 #endif
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91 snprintf(filename, lengthof(filename), "%s" PATHSEP "%s", path, ent->d_name);
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92
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93 return stat(filename, sb) == 0;
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94 }
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96 bool FiosIsHiddenFile(const struct dirent *ent)
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97 {
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98 return ent->d_name[0] == '.';
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99 }
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101 void ShowInfo(const char *str)
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102 {
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103 fprintf(stderr, "%s\n", str);
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104 }
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106 void ShowOSErrorBox(const char *buf)
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107 {
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108 #if defined(__APPLE__)
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109 /* this creates an NSAlertPanel with the contents of 'buf'
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110 * this is the native and nicest way to do this on OSX */
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111 ShowMacDialog( buf, "See readme for more info\nMost likely you are missing files from the original TTD", "Quit" );
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112 #else
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113 /* all systems, but OSX */
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114 fprintf(stderr, "\033[1;31mError: %s\033[0;39m\n", buf);
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115 #endif
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116 }
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117
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118 #ifdef WITH_COCOA
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119 void cocoaSetupAutoreleasePool();
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120 void cocoaReleaseAutoreleasePool();
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121 #endif
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122
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123 int CDECL main(int argc, char* argv[])
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124 {
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125 int ret;
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126
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127 #ifdef WITH_COCOA
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128 cocoaSetupAutoreleasePool();
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129 /* This is passed if we are launched by double-clicking */
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130 if (argc >= 2 && strncmp(argv[1], "-psn", 4) == 0) {
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131 argv[1] = NULL;
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132 argc = 1;
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133 }
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134 #endif
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135
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136 _random_seeds[1][1] = _random_seeds[1][0] = _random_seeds[0][1] = _random_seeds[0][0] = time(NULL);
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137 SeedMT(_random_seeds[0][1]);
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138
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139 signal(SIGPIPE, SIG_IGN);
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140
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141 ret = ttd_main(argc, argv);
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142
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143 #ifdef WITH_COCOA
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144 cocoaReleaseAutoreleasePool();
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145 #endif
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146
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147 return ret;
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148 }
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149
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150 bool InsertTextBufferClipboard(Textbuf *tb)
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151 {
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152 return false;
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153 }
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154
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155
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156 /* multi os compatible sleep function */
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157
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158 #ifdef __AMIGA__
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159 /* usleep() implementation */
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160 # include <devices/timer.h>
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161 # include <dos/dos.h>
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162
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163 extern struct Device *TimerBase = NULL;
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164 extern struct MsgPort *TimerPort = NULL;
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165 extern struct timerequest *TimerRequest = NULL;
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166 #endif // __AMIGA__
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167
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168 void CSleep(int milliseconds)
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169 {
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170 #if defined(PSP)
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171 sceKernelDelayThread(milliseconds * 1000);
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172 #elif defined(__BEOS__)
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173 snooze(milliseconds * 1000);
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174 #elif defined(__AMIGA__)
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175 {
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176 ULONG signals;
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177 ULONG TimerSigBit = 1 << TimerPort->mp_SigBit;
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178
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179 /* send IORequest */
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180 TimerRequest->tr_node.io_Command = TR_ADDREQUEST;
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181 TimerRequest->tr_time.tv_secs = (milliseconds * 1000) / 1000000;
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182 TimerRequest->tr_time.tv_micro = (milliseconds * 1000) % 1000000;
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183 SendIO((struct IORequest *)TimerRequest);
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184
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185 if (!((signals = Wait(TimerSigBit | SIGBREAKF_CTRL_C)) & TimerSigBit) ) {
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186 AbortIO((struct IORequest *)TimerRequest);
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187 }
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188 WaitIO((struct IORequest *)TimerRequest);
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189 }
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190 #else
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191 usleep(milliseconds * 1000);
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192 #endif
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193 }
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194
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195 #ifdef WITH_ICONV
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196
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197 #include <iconv.h>
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198 #include <errno.h>
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199 #include "debug.h"
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200
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201 #define INTERNALCODE "UTF-8"
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202
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203 /** Try and try to decipher the current locale from environmental
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204 * variables. MacOSX is hardcoded, other OS's are dynamic. If no suitable
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205 * locale can be found, don't do any conversion "" */
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206 static const char *GetLocalCode()
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207 {
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208 #if defined(__APPLE__)
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209 return "UTF-8-MAC";
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210 #else
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211 /* Strip locale (eg en_US.UTF-8) to only have UTF-8 */
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212 const char *locale = GetCurrentLocale("LC_CTYPE");
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213 if (locale != NULL) locale = strchr(locale, '.');
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214
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215 return (locale == NULL) ? "" : locale + 1;
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216 #endif
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217 }
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218
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219 /** FYI: This is not thread-safe.
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220 * convert between locales, which from and which to is set in the calling
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221 * functions OTTD2FS() and FS2OTTD(). You should NOT use this function directly
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222 * NOTE: iconv was added in OSX 10.3. 10.2.x will still have the invalid char
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223 * issues. There aren't any easy fix for this */
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224 static const char *convert_tofrom_fs(iconv_t convd, const char *name)
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225 {
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226 static char buf[1024];
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227 /* Work around buggy iconv implementation where inbuf is wrongly typed as
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228 * non-const. Correct implementation is at
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229 * http://www.opengroup.org/onlinepubs/007908799/xsh/iconv.html */
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230 #if defined (__GLIBC__) || defined (__GNU_LIBRARY__)
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231 char *inbuf = (char*)name;
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232 #else
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233 const char *inbuf = name;
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234 #endif
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235
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236 char *outbuf = buf;
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237 size_t outlen = sizeof(buf) - 1;
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238 size_t inlen = strlen(name);
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239
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240 ttd_strlcpy(outbuf, name, sizeof(buf));
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241
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242 iconv(convd, NULL, NULL, NULL, NULL);
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243 if (iconv(convd, &inbuf, &inlen, &outbuf, &outlen) == (size_t)(-1)) {
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244 DEBUG(misc, 0, "[iconv] error converting '%s'. Errno %d", name, errno);
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245 }
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246
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247 *outbuf = '\0';
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72ac8bfaa32f (svn r9559) -Documentation: doxygen and comment changes: 'U' and 'V' now. Almost done. Yeah. I know, I've already said that...
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248 /* FIX: invalid characters will abort conversion, but they shouldn't occur? */
5584
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249 return buf;
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250 }
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251
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252 /** Convert from OpenTTD's encoding to that of the local environment
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253 * @param name pointer to a valid string that will be converted
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254 * @return pointer to a new stringbuffer that contains the converted string */
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255 const char *OTTD2FS(const char *name)
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256 {
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257 static iconv_t convd = (iconv_t)(-1);
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258
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259 if (convd == (iconv_t)(-1)) {
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260 const char *env = GetLocalCode();
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261 convd = iconv_open(env, INTERNALCODE);
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262 if (convd == (iconv_t)(-1)) {
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263 DEBUG(misc, 0, "[iconv] conversion from codeset '%s' to '%s' unsupported", INTERNALCODE, env);
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264 return name;
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265 }
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266 }
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267
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268 return convert_tofrom_fs(convd, name);
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269 }
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270
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271 /** Convert to OpenTTD's encoding from that of the local environment
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272 * @param name pointer to a valid string that will be converted
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273 * @return pointer to a new stringbuffer that contains the converted string */
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274 const char *FS2OTTD(const char *name)
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275 {
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276 static iconv_t convd = (iconv_t)(-1);
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277
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278 if (convd == (iconv_t)(-1)) {
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279 const char *env = GetLocalCode();
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280 convd = iconv_open(INTERNALCODE, env);
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281 if (convd == (iconv_t)(-1)) {
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282 DEBUG(misc, 0, "[iconv] conversion from codeset '%s' to '%s' unsupported", env, INTERNALCODE);
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283 return name;
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284 }
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285 }
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286
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287 return convert_tofrom_fs(convd, name);
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288 }
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289
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290 #else
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291 const char *FS2OTTD(const char *name) {return name;}
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292 const char *OTTD2FS(const char *name) {return name;}
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293 #endif /* WITH_ICONV */