/*
-Minetest-c55
-Copyright (C) 2010 celeron55, Perttu Ahola <celeron55@gmail.com>
+Minetest
+Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
See comments in porting.h
*/
-#if defined(linux)
- #include <unistd.h>
-#elif defined(__APPLE__)
- #include <unistd.h>
- #include <mach-o/dyld.h>
-#elif defined(__FreeBSD__)
- #include <unistd.h>
+#include "porting.h"
+
+#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__DragonFly__) || defined(__OpenBSD__)
#include <sys/types.h>
#include <sys/sysctl.h>
+ extern char **environ;
+#elif defined(_WIN32)
+ #include <windows.h>
+ #include <wincrypt.h>
+ #include <algorithm>
+ #include <shlwapi.h>
+ #include <shellapi.h>
+ #include <mmsystem.h>
+#endif
+#if !defined(_WIN32)
+ #include <unistd.h>
+ #include <sys/utsname.h>
+ #if !defined(__ANDROID__)
+ #include <spawn.h>
+ #endif
+#endif
+#if defined(__hpux)
+ #define _PSTAT64
+ #include <sys/pstat.h>
+#endif
+#if defined(__ANDROID__)
+ #include "porting_android.h"
+#endif
+#if defined(__APPLE__)
+ // For _NSGetEnviron()
+ // Related: https://gitlab.haskell.org/ghc/ghc/issues/2458
+ #include <crt_externs.h>
+#endif
+
+#if defined(__HAIKU__)
+ #include <FindDirectory.h>
#endif
-#include "porting.h"
#include "config.h"
#include "debug.h"
#include "filesys.h"
#include "log.h"
#include "util/string.h"
#include <list>
-
-#ifdef __APPLE__
- #include "CoreFoundation/CoreFoundation.h"
+#include <cstdarg>
+#include <cstdio>
+
+#if !defined(SERVER) && defined(_WIN32)
+// On Windows export some driver-specific variables to encourage Minetest to be
+// executed on the discrete GPU in case of systems with two. Portability is fun.
+extern "C" {
+ __declspec(dllexport) DWORD NvOptimusEnablement = 1;
+ __declspec(dllexport) DWORD AmdPowerXpressRequestHighPerformance = 1;
+}
#endif
namespace porting
bool g_killed = false;
-bool * signal_handler_killstatus(void)
+bool *signal_handler_killstatus()
{
return &g_killed;
}
#if !defined(_WIN32) // POSIX
#include <signal.h>
-void sigint_handler(int sig)
+void signal_handler(int sig)
{
- if(g_killed == false)
- {
- dstream<<DTIME<<"INFO: sigint_handler(): "
- <<"Ctrl-C pressed, shutting down."<<std::endl;
+ if (!g_killed) {
+ if (sig == SIGINT) {
+ dstream << "INFO: signal_handler(): "
+ << "Ctrl-C pressed, shutting down." << std::endl;
+ } else if (sig == SIGTERM) {
+ dstream << "INFO: signal_handler(): "
+ << "got SIGTERM, shutting down." << std::endl;
+ }
// Comment out for less clutter when testing scripts
- /*dstream<<DTIME<<"INFO: sigint_handler(): "
- <<"Printing debug stacks"<<std::endl;
+ /*dstream << "INFO: sigint_handler(): "
+ << "Printing debug stacks" << std::endl;
debug_stacks_print();*/
g_killed = true;
- }
- else
- {
- (void)signal(SIGINT, SIG_DFL);
+ } else {
+ (void)signal(sig, SIG_DFL);
}
}
void signal_handler_init(void)
{
- (void)signal(SIGINT, sigint_handler);
+ (void)signal(SIGINT, signal_handler);
+ (void)signal(SIGTERM, signal_handler);
}
#else // _WIN32
#include <signal.h>
- BOOL WINAPI event_handler(DWORD sig)
- {
- switch(sig)
- {
- case CTRL_C_EVENT:
- case CTRL_CLOSE_EVENT:
- case CTRL_LOGOFF_EVENT:
- case CTRL_SHUTDOWN_EVENT:
-
- if(g_killed == false)
- {
- dstream<<DTIME<<"INFO: event_handler(): "
- <<"Ctrl+C, Close Event, Logoff Event or Shutdown Event, shutting down."<<std::endl;
- // Comment out for less clutter when testing scripts
- /*dstream<<DTIME<<"INFO: event_handler(): "
- <<"Printing debug stacks"<<std::endl;
- debug_stacks_print();*/
-
- g_killed = true;
- }
- else
- {
- (void)signal(SIGINT, SIG_DFL);
- }
-
- break;
- case CTRL_BREAK_EVENT:
- break;
+BOOL WINAPI event_handler(DWORD sig)
+{
+ switch (sig) {
+ case CTRL_C_EVENT:
+ case CTRL_CLOSE_EVENT:
+ case CTRL_LOGOFF_EVENT:
+ case CTRL_SHUTDOWN_EVENT:
+ if (!g_killed) {
+ dstream << "INFO: event_handler(): "
+ << "Ctrl+C, Close Event, Logoff Event or Shutdown Event,"
+ " shutting down." << std::endl;
+ g_killed = true;
+ } else {
+ (void)signal(SIGINT, SIG_DFL);
}
-
- return TRUE;
+ break;
+ case CTRL_BREAK_EVENT:
+ break;
}
+ return TRUE;
+}
+
void signal_handler_init(void)
{
- SetConsoleCtrlHandler( (PHANDLER_ROUTINE)event_handler,TRUE);
+ SetConsoleCtrlHandler((PHANDLER_ROUTINE)event_handler, TRUE);
}
#endif
+
/*
Path mangler
*/
// Default to RUN_IN_PLACE style relative paths
std::string path_share = "..";
std::string path_user = "..";
+std::string path_locale = path_share + DIR_DELIM + "locale";
+std::string path_cache = path_user + DIR_DELIM + "cache";
+
std::string getDataPath(const char *subpath)
{
path[i] = 0;
}
-bool detectMSVCBuildDir(char *c_path)
+bool detectMSVCBuildDir(const std::string &path)
{
- std::string path(c_path);
- const char *ends[] = {"bin\\Release", "bin\\Build", NULL};
- return (removeStringEnd(path, ends) != "");
+ const char *ends[] = {
+ "bin\\Release",
+ "bin\\MinSizeRel",
+ "bin\\RelWithDebInfo",
+ "bin\\Debug",
+ "bin\\Build",
+ NULL
+ };
+ return (!removeStringEnd(path, ends).empty());
}
-void initializePaths()
+std::string get_sysinfo()
{
-#if RUN_IN_PLACE
- /*
- Use relative paths if RUN_IN_PLACE
- */
+#ifdef _WIN32
- infostream<<"Using relative paths (RUN_IN_PLACE)"<<std::endl;
+ std::ostringstream oss;
+ LPSTR filePath = new char[MAX_PATH];
+ UINT blockSize;
+ VS_FIXEDFILEINFO *fixedFileInfo;
- /*
- Windows
- */
- #if defined(_WIN32)
+ GetSystemDirectoryA(filePath, MAX_PATH);
+ PathAppendA(filePath, "kernel32.dll");
- const DWORD buflen = 1000;
- char buf[buflen];
- DWORD len;
+ DWORD dwVersionSize = GetFileVersionInfoSizeA(filePath, NULL);
+ LPBYTE lpVersionInfo = new BYTE[dwVersionSize];
- // Find path of executable and set path_share relative to it
- len = GetModuleFileName(GetModuleHandle(NULL), buf, buflen);
- assert(len < buflen);
- pathRemoveFile(buf, '\\');
+ GetFileVersionInfoA(filePath, 0, dwVersionSize, lpVersionInfo);
+ VerQueryValueA(lpVersionInfo, "\\", (LPVOID *)&fixedFileInfo, &blockSize);
- if(detectMSVCBuildDir(buf)){
- infostream<<"MSVC build directory detected"<<std::endl;
- path_share = std::string(buf) + "\\..\\..";
- path_user = std::string(buf) + "\\..\\..";
- }
- else{
- path_share = std::string(buf) + "\\..";
- path_user = std::string(buf) + "\\..";
- }
+ oss << "Windows/"
+ << HIWORD(fixedFileInfo->dwProductVersionMS) << '.' // Major
+ << LOWORD(fixedFileInfo->dwProductVersionMS) << '.' // Minor
+ << HIWORD(fixedFileInfo->dwProductVersionLS) << ' '; // Build
- /*
- Linux
- */
- #elif defined(linux)
+ #ifdef _WIN64
+ oss << "x86_64";
+ #else
+ BOOL is64 = FALSE;
+ if (IsWow64Process(GetCurrentProcess(), &is64) && is64)
+ oss << "x86_64"; // 32-bit app on 64-bit OS
+ else
+ oss << "x86";
+ #endif
- char buf[BUFSIZ];
- memset(buf, 0, BUFSIZ);
- // Get path to executable
- assert(readlink("/proc/self/exe", buf, BUFSIZ-1) != -1);
+ delete[] lpVersionInfo;
+ delete[] filePath;
- pathRemoveFile(buf, '/');
+ return oss.str();
+#else
+ struct utsname osinfo;
+ uname(&osinfo);
+ return std::string(osinfo.sysname) + "/"
+ + osinfo.release + " " + osinfo.machine;
+#endif
+}
- path_share = std::string(buf) + "/..";
- path_user = std::string(buf) + "/..";
- /*
- OS X
- */
- #elif defined(__APPLE__)
+bool getCurrentWorkingDir(char *buf, size_t len)
+{
+#ifdef _WIN32
+ DWORD ret = GetCurrentDirectory(len, buf);
+ return (ret != 0) && (ret <= len);
+#else
+ return getcwd(buf, len);
+#endif
+}
- //https://developer.apple.com/library/mac/#documentation/Darwin/Reference/ManPages/man3/dyld.3.html
- //TODO: Test this code
- char buf[BUFSIZ];
- uint32_t len = sizeof(buf);
- assert(_NSGetExecutablePath(buf, &len) != -1);
- pathRemoveFile(buf, '/');
+bool getExecPathFromProcfs(char *buf, size_t buflen)
+{
+#ifndef _WIN32
+ buflen--;
+
+ ssize_t len;
+ if ((len = readlink("/proc/self/exe", buf, buflen)) == -1 &&
+ (len = readlink("/proc/curproc/file", buf, buflen)) == -1 &&
+ (len = readlink("/proc/curproc/exe", buf, buflen)) == -1)
+ return false;
+
+ buf[len] = '\0';
+ return true;
+#else
+ return false;
+#endif
+}
- path_share = std::string(buf) + "/..";
- path_user = std::string(buf) + "/..";
+//// Windows
+#if defined(_WIN32)
- /*
- FreeBSD
- */
- #elif defined(__FreeBSD__)
+bool getCurrentExecPath(char *buf, size_t len)
+{
+ DWORD written = GetModuleFileNameA(NULL, buf, len);
+ if (written == 0 || written == len)
+ return false;
+
+ return true;
+}
+
+
+//// Linux
+#elif defined(__linux__)
+
+bool getCurrentExecPath(char *buf, size_t len)
+{
+ if (!getExecPathFromProcfs(buf, len))
+ return false;
+
+ return true;
+}
+
+
+//// Mac OS X, Darwin
+#elif defined(__APPLE__)
+
+bool getCurrentExecPath(char *buf, size_t len)
+{
+ uint32_t lenb = (uint32_t)len;
+ if (_NSGetExecutablePath(buf, &lenb) == -1)
+ return false;
+
+ return true;
+}
+
+
+//// FreeBSD, NetBSD, DragonFlyBSD
+#elif defined(__FreeBSD__) || defined(__NetBSD__) || defined(__DragonFly__)
+
+bool getCurrentExecPath(char *buf, size_t len)
+{
+ // Try getting path from procfs first, since valgrind
+ // doesn't work with the latter
+ if (getExecPathFromProcfs(buf, len))
+ return true;
int mib[4];
- char buf[BUFSIZ];
- size_t len = sizeof(buf);
mib[0] = CTL_KERN;
mib[1] = KERN_PROC;
mib[2] = KERN_PROC_PATHNAME;
mib[3] = -1;
- assert(sysctl(mib, 4, buf, &len, NULL, 0) != -1);
- pathRemoveFile(buf, '/');
+ if (sysctl(mib, 4, buf, &len, NULL, 0) == -1)
+ return false;
- path_share = std::string(buf) + "/..";
- path_user = std::string(buf) + "/..";
+ return true;
+}
- #else
+#elif defined(__HAIKU__)
- //TODO: Get path of executable. This assumes working directory is bin/
- dstream<<"WARNING: Relative path not properly supported on this platform"
- <<std::endl;
- path_share = std::string("..");
- path_user = std::string("..");
+bool getCurrentExecPath(char *buf, size_t len)
+{
+ return find_path(B_APP_IMAGE_SYMBOL, B_FIND_PATH_IMAGE_PATH, NULL, buf, len) == B_OK;
+}
- #endif
+//// Solaris
+#elif defined(__sun) || defined(sun)
-#else // RUN_IN_PLACE
+bool getCurrentExecPath(char *buf, size_t len)
+{
+ const char *exec = getexecname();
+ if (exec == NULL)
+ return false;
+
+ if (strlcpy(buf, exec, len) >= len)
+ return false;
+
+ return true;
+}
+
+
+// HP-UX
+#elif defined(__hpux)
+
+bool getCurrentExecPath(char *buf, size_t len)
+{
+ struct pst_status psts;
+
+ if (pstat_getproc(&psts, sizeof(psts), 0, getpid()) == -1)
+ return false;
- /*
- Use platform-specific paths otherwise
- */
+ if (pstat_getpathname(buf, len, &psts.pst_fid_text) == -1)
+ return false;
+
+ return true;
+}
- infostream<<"Using system-wide paths (NOT RUN_IN_PLACE)"<<std::endl;
- /*
- Windows
- */
- #if defined(_WIN32)
+#else
+
+bool getCurrentExecPath(char *buf, size_t len)
+{
+ return false;
+}
- const DWORD buflen = 1000;
- char buf[buflen];
- DWORD len;
+#endif
+
+
+//// Non-Windows
+#if !defined(_WIN32)
+
+const char *getHomeOrFail()
+{
+ const char *home = getenv("HOME");
+ // In rare cases the HOME environment variable may be unset
+ FATAL_ERROR_IF(!home,
+ "Required environment variable HOME is not set");
+ return home;
+}
+
+#endif
+
+
+//// Windows
+#if defined(_WIN32)
+
+bool setSystemPaths()
+{
+ char buf[BUFSIZ];
// Find path of executable and set path_share relative to it
- len = GetModuleFileName(GetModuleHandle(NULL), buf, buflen);
- assert(len < buflen);
+ FATAL_ERROR_IF(!getCurrentExecPath(buf, sizeof(buf)),
+ "Failed to get current executable path");
pathRemoveFile(buf, '\\');
+ std::string exepath(buf);
+
// Use ".\bin\.."
- path_share = std::string(buf) + "\\..";
+ path_share = exepath + "\\..";
+ if (detectMSVCBuildDir(exepath)) {
+ // The msvc build dir schould normaly not be present if properly installed,
+ // but its usefull for debugging.
+ path_share += DIR_DELIM "..";
+ }
- // Use "C:\Documents and Settings\user\Application Data\<PROJECT_NAME>"
- len = GetEnvironmentVariable("APPDATA", buf, buflen);
- assert(len < buflen);
- path_user = std::string(buf) + DIR_DELIM + PROJECT_NAME;
+ // Use "C:\Users\<user>\AppData\Roaming\<PROJECT_NAME_C>"
+ DWORD len = GetEnvironmentVariable("APPDATA", buf, sizeof(buf));
+ FATAL_ERROR_IF(len == 0 || len > sizeof(buf), "Failed to get APPDATA");
- /*
- Linux
- */
- #elif defined(linux)
+ path_user = std::string(buf) + DIR_DELIM + PROJECT_NAME_C;
+ return true;
+}
- // Get path to executable
- std::string bindir = "";
- {
- char buf[BUFSIZ];
- memset(buf, 0, BUFSIZ);
- assert(readlink("/proc/self/exe", buf, BUFSIZ-1) != -1);
- pathRemoveFile(buf, '/');
- bindir = buf;
+
+//// Linux
+#elif defined(__linux__) || defined(__FreeBSD__) || defined(__NetBSD__) || defined(__DragonFly__)
+
+bool setSystemPaths()
+{
+ char buf[BUFSIZ];
+
+ if (!getCurrentExecPath(buf, sizeof(buf))) {
+#ifdef __ANDROID__
+ errorstream << "Unable to read bindir "<< std::endl;
+#else
+ FATAL_ERROR("Unable to read bindir");
+#endif
+ return false;
}
+ pathRemoveFile(buf, '/');
+ std::string bindir(buf);
+
// Find share directory from these.
// It is identified by containing the subdirectory "builtin".
std::list<std::string> trylist;
std::string static_sharedir = STATIC_SHAREDIR;
- if(static_sharedir != "" && static_sharedir != ".")
+ if (!static_sharedir.empty() && static_sharedir != ".")
trylist.push_back(static_sharedir);
- trylist.push_back(bindir + "/../share/" + PROJECT_NAME);
- trylist.push_back(bindir + "/..");
- for(std::list<std::string>::const_iterator i = trylist.begin();
- i != trylist.end(); i++)
- {
+ trylist.push_back(bindir + DIR_DELIM ".." DIR_DELIM "share"
+ DIR_DELIM + PROJECT_NAME);
+ trylist.push_back(bindir + DIR_DELIM "..");
+
+#ifdef __ANDROID__
+ trylist.push_back(path_user);
+#endif
+
+ for (std::list<std::string>::const_iterator
+ i = trylist.begin(); i != trylist.end(); ++i) {
const std::string &trypath = *i;
- if(!fs::PathExists(trypath) || !fs::PathExists(trypath + "/builtin")){
- dstream<<"WARNING: system-wide share not found at \""
- <<trypath<<"\""<<std::endl;
+ if (!fs::PathExists(trypath) ||
+ !fs::PathExists(trypath + DIR_DELIM + "builtin")) {
+ warningstream << "system-wide share not found at \""
+ << trypath << "\""<< std::endl;
continue;
}
+
// Warn if was not the first alternative
- if(i != trylist.begin()){
- dstream<<"WARNING: system-wide share found at \""
- <<trypath<<"\""<<std::endl;
+ if (i != trylist.begin()) {
+ warningstream << "system-wide share found at \""
+ << trypath << "\"" << std::endl;
}
+
path_share = trypath;
break;
}
- path_user = std::string(getenv("HOME")) + "/." + PROJECT_NAME;
+#ifndef __ANDROID__
+ path_user = std::string(getHomeOrFail()) + DIR_DELIM "."
+ + PROJECT_NAME;
+#endif
- /*
- OS X
- */
- #elif defined(__APPLE__)
+ return true;
+}
- // Code based on
- // http://stackoverflow.com/questions/516200/relative-paths-not-working-in-xcode-c
- CFBundleRef main_bundle = CFBundleGetMainBundle();
- CFURLRef resources_url = CFBundleCopyResourcesDirectoryURL(main_bundle);
- char path[PATH_MAX];
- if(CFURLGetFileSystemRepresentation(resources_url, TRUE, (UInt8 *)path, PATH_MAX))
- {
- dstream<<"Bundle resource path: "<<path<<std::endl;
- //chdir(path);
- path_share = std::string(path) + "/share";
+
+//// Mac OS X
+#elif defined(__APPLE__)
+
+bool setSystemPaths()
+{
+ CFBundleRef main_bundle = CFBundleGetMainBundle();
+ CFURLRef resources_url = CFBundleCopyResourcesDirectoryURL(main_bundle);
+ char path[PATH_MAX];
+ if (CFURLGetFileSystemRepresentation(resources_url,
+ TRUE, (UInt8 *)path, PATH_MAX)) {
+ path_share = std::string(path);
+ } else {
+ warningstream << "Could not determine bundle resource path" << std::endl;
}
- else
- {
- // error!
- dstream<<"WARNING: Could not determine bundle resource path"<<std::endl;
- }
- CFRelease(resources_url);
+ CFRelease(resources_url);
+
+ path_user = std::string(getHomeOrFail())
+ + "/Library/Application Support/"
+ + PROJECT_NAME;
+ return true;
+}
- path_user = std::string(getenv("HOME")) + "/Library/Application Support/" + PROJECT_NAME;
- #elif defined(__FreeBSD__)
+#else
+bool setSystemPaths()
+{
path_share = STATIC_SHAREDIR;
- path_user = std::string(getenv("HOME")) + "/." + PROJECT_NAME;
+ path_user = std::string(getHomeOrFail()) + DIR_DELIM "."
+ + lowercase(PROJECT_NAME);
+ return true;
+}
- #endif
+#endif
+
+void migrateCachePath()
+{
+ const std::string local_cache_path = path_user + DIR_DELIM + "cache";
+
+ // Delete tmp folder if it exists (it only ever contained
+ // a temporary ogg file, which is no longer used).
+ if (fs::PathExists(local_cache_path + DIR_DELIM + "tmp"))
+ fs::RecursiveDelete(local_cache_path + DIR_DELIM + "tmp");
+
+ // Bail if migration impossible
+ if (path_cache == local_cache_path || !fs::PathExists(local_cache_path)
+ || fs::PathExists(path_cache)) {
+ return;
+ }
+ if (!fs::Rename(local_cache_path, path_cache)) {
+ errorstream << "Failed to migrate local cache path "
+ "to system path!" << std::endl;
+ }
+}
+
+void initializePaths()
+{
+#if RUN_IN_PLACE
+ char buf[BUFSIZ];
+
+ infostream << "Using relative paths (RUN_IN_PLACE)" << std::endl;
+
+ bool success =
+ getCurrentExecPath(buf, sizeof(buf)) ||
+ getExecPathFromProcfs(buf, sizeof(buf));
+
+ if (success) {
+ pathRemoveFile(buf, DIR_DELIM_CHAR);
+ std::string execpath(buf);
+
+ path_share = execpath + DIR_DELIM "..";
+ path_user = execpath + DIR_DELIM "..";
+
+ if (detectMSVCBuildDir(execpath)) {
+ path_share += DIR_DELIM "..";
+ path_user += DIR_DELIM "..";
+ }
+ } else {
+ errorstream << "Failed to get paths by executable location, "
+ "trying cwd" << std::endl;
+
+ if (!getCurrentWorkingDir(buf, sizeof(buf)))
+ FATAL_ERROR("Ran out of methods to get paths");
+
+ size_t cwdlen = strlen(buf);
+ if (cwdlen >= 1 && buf[cwdlen - 1] == DIR_DELIM_CHAR) {
+ cwdlen--;
+ buf[cwdlen] = '\0';
+ }
+
+ if (cwdlen >= 4 && !strcmp(buf + cwdlen - 4, DIR_DELIM "bin"))
+ pathRemoveFile(buf, DIR_DELIM_CHAR);
+
+ std::string execpath(buf);
+
+ path_share = execpath;
+ path_user = execpath;
+ }
+ path_cache = path_user + DIR_DELIM + "cache";
+#else
+ infostream << "Using system-wide paths (NOT RUN_IN_PLACE)" << std::endl;
+
+ if (!setSystemPaths())
+ errorstream << "Failed to get one or more system-wide path" << std::endl;
+
+
+# ifdef _WIN32
+ path_cache = path_user + DIR_DELIM + "cache";
+# else
+ // Initialize path_cache
+ // First try $XDG_CACHE_HOME/PROJECT_NAME
+ const char *cache_dir = getenv("XDG_CACHE_HOME");
+ const char *home_dir = getenv("HOME");
+ if (cache_dir && cache_dir[0] != '\0') {
+ path_cache = std::string(cache_dir) + DIR_DELIM + PROJECT_NAME;
+ } else if (home_dir) {
+ // Then try $HOME/.cache/PROJECT_NAME
+ path_cache = std::string(home_dir) + DIR_DELIM + ".cache"
+ + DIR_DELIM + PROJECT_NAME;
+ } else {
+ // If neither works, use $PATH_USER/cache
+ path_cache = path_user + DIR_DELIM + "cache";
+ }
+ // Migrate cache folder to new location if possible
+ migrateCachePath();
+# endif // _WIN32
#endif // RUN_IN_PLACE
+
+ infostream << "Detected share path: " << path_share << std::endl;
+ infostream << "Detected user path: " << path_user << std::endl;
+ infostream << "Detected cache path: " << path_cache << std::endl;
+
+#if USE_GETTEXT
+ bool found_localedir = false;
+# ifdef STATIC_LOCALEDIR
+ /* STATIC_LOCALEDIR may be a generalized path such as /usr/share/locale that
+ * doesn't necessarily contain our locale files, so check data path first. */
+ path_locale = getDataPath("locale");
+ if (fs::PathExists(path_locale)) {
+ found_localedir = true;
+ infostream << "Using in-place locale directory " << path_locale
+ << " even though a static one was provided." << std::endl;
+ } else if (STATIC_LOCALEDIR[0] && fs::PathExists(STATIC_LOCALEDIR)) {
+ found_localedir = true;
+ path_locale = STATIC_LOCALEDIR;
+ infostream << "Using static locale directory " << STATIC_LOCALEDIR
+ << std::endl;
+ }
+# else
+ path_locale = getDataPath("locale");
+ if (fs::PathExists(path_locale)) {
+ found_localedir = true;
+ }
+# endif
+ if (!found_localedir) {
+ warningstream << "Couldn't find a locale directory!" << std::endl;
+ }
+#endif // USE_GETTEXT
}
-} //namespace porting
+////
+//// OS-specific Secure Random
+////
+
+#ifdef WIN32
+
+bool secure_rand_fill_buf(void *buf, size_t len)
+{
+ HCRYPTPROV wctx;
+
+ if (!CryptAcquireContext(&wctx, NULL, NULL, PROV_RSA_FULL, CRYPT_VERIFYCONTEXT))
+ return false;
+
+ CryptGenRandom(wctx, len, (BYTE *)buf);
+ CryptReleaseContext(wctx, 0);
+ return true;
+}
+
+#else
+
+bool secure_rand_fill_buf(void *buf, size_t len)
+{
+ // N.B. This function checks *only* for /dev/urandom, because on most
+ // common OSes it is non-blocking, whereas /dev/random is blocking, and it
+ // is exceptionally uncommon for there to be a situation where /dev/random
+ // exists but /dev/urandom does not. This guesswork is necessary since
+ // random devices are not covered by any POSIX standard...
+ FILE *fp = fopen("/dev/urandom", "rb");
+ if (!fp)
+ return false;
+
+ bool success = fread(buf, len, 1, fp) == 1;
+
+ fclose(fp);
+ return success;
+}
+
+#endif
+
+void attachOrCreateConsole()
+{
+#ifdef _WIN32
+ static bool consoleAllocated = false;
+ const bool redirected = (_fileno(stdout) == -2 || _fileno(stdout) == -1); // If output is redirected to e.g a file
+ if (!consoleAllocated && redirected && (AttachConsole(ATTACH_PARENT_PROCESS) || AllocConsole())) {
+ freopen("CONOUT$", "w", stdout);
+ freopen("CONOUT$", "w", stderr);
+ consoleAllocated = true;
+ }
+#endif
+}
+
+int mt_snprintf(char *buf, const size_t buf_size, const char *fmt, ...)
+{
+ // https://msdn.microsoft.com/en-us/library/bt7tawza.aspx
+ // Many of the MSVC / Windows printf-style functions do not support positional
+ // arguments (eg. "%1$s"). We just forward the call to vsnprintf for sane
+ // platforms, but defer to _vsprintf_p on MSVC / Windows.
+ // https://github.com/FFmpeg/FFmpeg/blob/5ae9fa13f5ac640bec113120d540f70971aa635d/compat/msvcrt/snprintf.c#L46
+ // _vsprintf_p has to be shimmed with _vscprintf_p on -1 (for an example see
+ // above FFmpeg link).
+ va_list args;
+ va_start(args, fmt);
+#ifndef _MSC_VER
+ int c = vsnprintf(buf, buf_size, fmt, args);
+#else // _MSC_VER
+ int c = _vsprintf_p(buf, buf_size, fmt, args);
+ if (c == -1)
+ c = _vscprintf_p(fmt, args);
+#endif // _MSC_VER
+ va_end(args);
+ return c;
+}
+
+static bool open_uri(const std::string &uri)
+{
+ if (uri.find_first_of("\r\n") != std::string::npos) {
+ errorstream << "Unable to open URI as it is invalid, contains new line: " << uri << std::endl;
+ return false;
+ }
+
+#if defined(_WIN32)
+ return (intptr_t)ShellExecuteA(NULL, NULL, uri.c_str(), NULL, NULL, SW_SHOWNORMAL) > 32;
+#elif defined(__ANDROID__)
+ openURIAndroid(uri);
+ return true;
+#elif defined(__APPLE__)
+ const char *argv[] = {"open", uri.c_str(), NULL};
+ return posix_spawnp(NULL, "open", NULL, NULL, (char**)argv,
+ (*_NSGetEnviron())) == 0;
+#else
+ const char *argv[] = {"xdg-open", uri.c_str(), NULL};
+ return posix_spawnp(NULL, "xdg-open", NULL, NULL, (char**)argv, environ) == 0;
+#endif
+}
+
+bool open_url(const std::string &url)
+{
+ if (url.substr(0, 7) != "http://" && url.substr(0, 8) != "https://") {
+ errorstream << "Unable to open browser as URL is missing schema: " << url << std::endl;
+ return false;
+ }
+ return open_uri(url);
+}
+
+bool open_directory(const std::string &path)
+{
+ if (!fs::IsDir(path)) {
+ errorstream << "Unable to open directory as it does not exist: " << path << std::endl;
+ return false;
+ }
+
+ return open_uri(path);
+}
+
+// Load performance counter frequency only once at startup
+#ifdef _WIN32
+
+inline double get_perf_freq()
+{
+ // Also use this opportunity to enable high-res timers
+ timeBeginPeriod(1);
+
+ LARGE_INTEGER freq;
+ QueryPerformanceFrequency(&freq);
+ return freq.QuadPart;
+}
+
+double perf_freq = get_perf_freq();
+
+#endif
+
+} //namespace porting
projects / dragonfireclient.git / blobdiff