3 Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU Lesser General Public License as published by
7 the Free Software Foundation; either version 2.1 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public License along
16 with this program; if not, write to the Free Software Foundation, Inc.,
17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
21 Random portability stuff
30 #define _WIN32_WINNT 0x0501 // We need to do this before any other headers
31 // because those might include sdkddkver.h which defines _WIN32_WINNT if not already set
37 #include "irrlichttypes.h" // u32
38 #include "irrlichttypes_extrabloated.h"
40 #include "constants.h"
44 #define SWPRINTF_CHARSTRING L"%S"
46 #define SWPRINTF_CHARSTRING L"%s"
49 // currently not needed
50 // template<typename T> struct alignment_trick { char c; T member; };
51 //#define ALIGNOF(type) offsetof (alignment_trick<type>, member)
56 #define sleep_ms(x) Sleep(x)
59 #include <cstdint> //for uintptr_t
61 // Use standard Posix macro for Linux
62 #if (defined(linux) || defined(__linux)) && !defined(__linux__)
65 #if (defined(__linux__) || defined(__GNU__)) && !defined(_GNU_SOURCE)
69 #define sleep_ms(x) usleep(x * 1000)
73 #define ALIGNOF(x) __alignof(x)
74 #define strtok_r(x, y, z) strtok_s(x, y, z)
75 #define strtof(x, y) (float)strtod(x, y)
76 #define strtoll(x, y, z) _strtoi64(x, y, z)
77 #define strtoull(x, y, z) _strtoui64(x, y, z)
78 #define strcasecmp(x, y) stricmp(x, y)
79 #define strncasecmp(x, y, n) strnicmp(x, y, n)
81 #define ALIGNOF(x) __alignof__(x)
85 #define strtok_r(x, y, z) mystrtok_r(x, y, z)
88 // strlcpy is missing from glibc. thanks a lot, drepper.
89 // strlcpy is also missing from AIX and HP-UX because they aim to be weird.
90 // We can't simply alias strlcpy to MSVC's strcpy_s, since strcpy_s by
91 // default raises an assertion error and aborts the program if the buffer is
93 #if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || \
94 defined(__DragonFly__) || defined(__APPLE__) || defined(__sun) || \
95 defined(sun) || defined(__QNX__) || defined(__QNXNTO__)
99 // So we need to define our own.
101 #define strlcpy(d, s, n) mystrlcpy(d, s, n)
104 #define PADDING(x, y) \
105 ((ALIGNOF(y) - ((uintptr_t)(x) & (ALIGNOF(y) - 1))) & (ALIGNOF(y) - 1))
107 #if defined(__APPLE__)
108 #include <mach-o/dyld.h>
109 #include <CoreFoundation/CoreFoundation.h>
112 #ifndef _WIN32 // Posix
113 #include <sys/time.h>
116 #if defined(__MACH__) && defined(__APPLE__)
117 #include <mach/clock.h>
118 #include <mach/mach.h>
126 Signal handler (grabs Ctrl-C on POSIX systems)
129 void signal_handler_init();
130 // Returns a pointer to a bool.
131 // When the bool is true, program should quit.
132 bool *signal_handler_killstatus();
135 Path of static data directory.
137 extern std::string path_share;
140 Directory for storing user data. Examples:
141 Windows: "C:\Documents and Settings\user\Application Data\<PROJECT_NAME>"
142 Linux: "~/.<PROJECT_NAME>"
143 Mac: "~/Library/Application Support/<PROJECT_NAME>"
145 extern std::string path_user;
148 Path to gettext locale files
150 extern std::string path_locale;
153 Path to directory for storing caches.
155 extern std::string path_cache;
158 Get full path of stuff in data directory.
159 Example: "stone.png" -> "../data/stone.png"
161 std::string getDataPath(const char *subpath);
164 Move cache folder from path_user to the
165 system cache location if possible.
167 void migrateCachePath();
172 void initializePaths();
175 Return system information
176 e.g. "Linux/3.12.7 x86_64"
178 std::string get_sysinfo();
180 // Monotonic counter getters.
182 #ifdef _WIN32 // Windows
184 extern double perf_freq;
186 inline u64 os_get_time(double mult)
189 QueryPerformanceCounter(&t);
190 return static_cast<double>(t.QuadPart) / (perf_freq / mult);
193 // Resolution is <1us.
194 inline u64 getTimeS()
196 return os_get_time(1);
198 inline u64 getTimeMs()
200 return os_get_time(1000);
202 inline u64 getTimeUs()
204 return os_get_time(1000 * 1000);
206 inline u64 getTimeNs()
208 return os_get_time(1000 * 1000 * 1000);
213 inline void os_get_clock(struct timespec *ts)
215 #if defined(__MACH__) && defined(__APPLE__)
217 // http://stackoverflow.com/questions/5167269/clock-gettime-alternative-in-mac-os-x
218 // OS X does not have clock_gettime, use clock_get_time
221 host_get_clock_service(mach_host_self(), CALENDAR_CLOCK, &cclock);
222 clock_get_time(cclock, &mts);
223 mach_port_deallocate(mach_task_self(), cclock);
224 ts->tv_sec = mts.tv_sec;
225 ts->tv_nsec = mts.tv_nsec;
226 #elif defined(CLOCK_MONOTONIC_RAW)
227 clock_gettime(CLOCK_MONOTONIC_RAW, ts);
228 #elif defined(_POSIX_MONOTONIC_CLOCK)
229 clock_gettime(CLOCK_MONOTONIC, ts);
232 gettimeofday(&tv, NULL);
233 TIMEVAL_TO_TIMESPEC(&tv, ts);
237 inline u64 getTimeS()
244 inline u64 getTimeMs()
248 return ts.tv_sec * 1000 + ts.tv_nsec / 1000000;
251 inline u64 getTimeUs()
255 return ts.tv_sec * 1000000 + ts.tv_nsec / 1000;
258 inline u64 getTimeNs()
262 return ts.tv_sec * 1000000000 + ts.tv_nsec;
267 inline u64 getTime(TimePrecision prec)
270 case PRECISION_SECONDS:
272 case PRECISION_MILLI:
274 case PRECISION_MICRO:
279 FATAL_ERROR("Called getTime with invalid time precision");
283 * Delta calculation function arguments.
284 * @param old_time_ms old time for delta calculation
285 * @param new_time_ms new time for delta calculation
286 * @return positive delta value
288 inline u64 getDeltaMs(u64 old_time_ms, u64 new_time_ms)
290 if (new_time_ms >= old_time_ms) {
291 return (new_time_ms - old_time_ms);
294 return (old_time_ms - new_time_ms);
297 inline const char *getPlatformName()
302 #elif defined(__linux__)
304 #elif defined(_WIN32) || defined(_WIN64)
306 #elif defined(__DragonFly__) || defined(__FreeBSD__) || defined(__NetBSD__) || \
309 #elif defined(__APPLE__) && defined(__MACH__)
312 #elif TARGET_OS_IPHONE
319 #elif defined(__hpux)
321 #elif defined(__sun) || defined(sun)
327 #elif defined(__CYGWIN__)
329 #elif defined(__unix__) || defined(__unix)
330 #if defined(_POSIX_VERSION)
341 bool secure_rand_fill_buf(void *buf, size_t len);
343 // This attaches to the parents process console, or creates a new one if it doesnt exist.
344 void attachOrCreateConsole();
346 int mt_snprintf(char *buf, const size_t buf_size, const char *fmt, ...);
348 bool openURL(const std::string &url);
350 } // namespace porting
353 #include "porting_android.h"