OpenRCT2/src/platform/posix.c

902 lines
24 KiB
C

/*****************************************************************************
* Copyright (c) 2014 Ted John
* OpenRCT2, an open source clone of Roller Coaster Tycoon 2.
*
* This file is part of OpenRCT2.
*
* OpenRCT2 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, either version 3 of the License, or
* (at your option) any later version.
* This program 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. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*****************************************************************************/
#if defined(__unix__) || (defined(__APPLE__) && defined(__MACH__))
#include <dirent.h>
#include <errno.h>
#include <fnmatch.h>
#include <libgen.h>
#include <locale.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <pwd.h>
#include <time.h>
#include <SDL_syswm.h>
#include "../addresses.h"
#include "../config.h"
#include "../localisation/language.h"
#include "../openrct2.h"
#include "../util/util.h"
#include "platform.h"
#include <dirent.h>
#include <fnmatch.h>
#include <locale.h>
#include <sys/time.h>
#include <time.h>
#include <fts.h>
#include <sys/file.h>
// The name of the mutex used to prevent multiple instances of the game from running
#define SINGLE_INSTANCE_MUTEX_NAME "openrct2.lock"
#define FILE_BUFFER_SIZE 4096
utf8 _userDataDirectoryPath[MAX_PATH] = { 0 };
utf8 _openrctDataDirectoryPath[MAX_PATH] = { 0 };
/**
* The function that is called directly from the host application (rct2.exe)'s WinMain. This will be removed when OpenRCT2 can
* be built as a stand alone application.
*/
int main(int argc, const char **argv)
{
int run_game = cmdline_run(argv, argc);
if (run_game == 1)
{
openrct2_launch();
}
exit(gExitCode);
return gExitCode;
}
void platform_get_date(rct2_date *out_date)
{
assert(out_date != NULL);
time_t rawtime;
struct tm * timeinfo;
time(&rawtime);
timeinfo = gmtime(&rawtime);
out_date->day = timeinfo->tm_mday;
out_date->month = timeinfo->tm_mon;
out_date->year = timeinfo->tm_year;
out_date->day_of_week = timeinfo->tm_wday;
}
void platform_get_time(rct2_time *out_time)
{
assert(out_time != NULL);
time_t rawtime;
struct tm * timeinfo;
time(&rawtime);
timeinfo = gmtime(&rawtime);
out_time->second = timeinfo->tm_sec;
out_time->minute = timeinfo->tm_min;
out_time->hour = timeinfo->tm_hour;
}
char platform_get_path_separator()
{
return '/';
}
const char *platform_get_new_line()
{
return "\n";
}
bool platform_file_exists(const utf8 *path)
{
wchar_t *wPath = utf8_to_widechar(path);
int len = min(MAX_PATH - 1, utf8_length(path));
char buffer[MAX_PATH];
wcstombs(buffer, wPath, len);
buffer[len] = '\0';
free(wPath);
bool exists = access(buffer, F_OK) != -1;
log_verbose("file '%s' exists = %i", buffer, exists);
return exists;
}
bool platform_directory_exists(const utf8 *path)
{
wchar_t *wPath = utf8_to_widechar(path);
int len = min(MAX_PATH - 1, utf8_length(path));
char buffer[MAX_PATH];
wcstombs(buffer, wPath, len);
buffer[len] = '\0';
free(wPath);
struct stat dirinfo;
int result = stat(buffer, &dirinfo);
log_verbose("checking dir %s, result = %d, is_dir = %d", buffer, result, S_ISDIR(dirinfo.st_mode));
if ((result != 0) || !S_ISDIR(dirinfo.st_mode))
{
return false;
}
return true;
}
bool platform_original_game_data_exists(const utf8 *path)
{
wchar_t *wPath = utf8_to_widechar(path);
int len = min(MAX_PATH - 1, utf8_length(path));
char buffer[MAX_PATH];
wcstombs(buffer, wPath, len);
buffer[len] = '\0';
free(wPath);
char checkPath[MAX_PATH];
sprintf(checkPath, "%s%c%s%c%s", buffer, platform_get_path_separator(), "Data", platform_get_path_separator(), "g1.dat");
return platform_file_exists(checkPath);
}
mode_t getumask()
{
mode_t mask = umask(0);
umask(mask);
return 0777 & ~mask; // Keep in mind 0777 is octal
}
bool platform_ensure_directory_exists(const utf8 *path)
{
mode_t mask = getumask();
wchar_t *wPath = utf8_to_widechar(path);
int len = min(MAX_PATH - 1, utf8_length(path));
char buffer[MAX_PATH];
wcstombs(buffer, wPath, len);
buffer[len] = '\0';
free(wPath);
log_verbose("%s", buffer);
const int result = mkdir(buffer, mask);
if (result == 0 || (result == -1 && errno == EEXIST))
return true;
return false;
}
bool platform_directory_delete(const utf8 *path)
{
log_verbose("Recursively deleting directory %s", path);
FTS *ftsp;
FTSENT *p, *chp;
// fts_open only accepts non const paths, so we have to take a copy
char* ourPath = (char*)malloc(strlen(path) + 1);
strcpy(ourPath, path);
utf8* const patharray[2] = {ourPath, NULL};
if ((ftsp = fts_open(patharray, FTS_COMFOLLOW | FTS_LOGICAL | FTS_NOCHDIR, NULL)) == NULL) {
log_error("fts_open returned NULL");
free(ourPath);
return false;
}
chp = fts_children(ftsp, 0);
if (chp == NULL) {
log_verbose("No files to traverse, deleting directory %s", path);
if (remove(path) != 0)
{
log_error("Failed to remove %s, errno = %d", path, errno);
}
free(ourPath);
return true; // No files to traverse
}
while ((p = fts_read(ftsp)) != NULL) {
switch (p->fts_info) {
case FTS_DP: // Directory postorder, which means
// the directory is empty
case FTS_F: // File
if(remove(p->fts_path)) {
log_error("Could not remove %s", p->fts_path);
fts_close(ftsp);
free(ourPath);
return false;
}
break;
case FTS_ERR:
log_error("Error traversing %s", path);
fts_close(ftsp);
free(ourPath);
return false;
}
}
free(ourPath);
fts_close(ftsp);
return true;
}
bool platform_lock_single_instance()
{
char pidFilePath[MAX_PATH];
safe_strcpy(pidFilePath, _userDataDirectoryPath, sizeof(pidFilePath));
safe_strcat_path(pidFilePath, SINGLE_INSTANCE_MUTEX_NAME, sizeof(pidFilePath));
// We will never close this file manually. The operating system will
// take care of that, because flock keeps the lock as long as the
// file is open and closes it automatically on file close.
// This is intentional.
int pidFile = open(pidFilePath, O_CREAT | O_RDWR, 0666);
if (pidFile == -1) {
log_warning("Cannot open lock file for writing.");
return false;
}
if (flock(pidFile, LOCK_EX | LOCK_NB) == -1) {
if (errno == EWOULDBLOCK) {
log_warning("Another OpenRCT2 session has been found running.");
return false;
}
log_error("flock returned an uncatched errno: %d", errno);
return false;
}
return true;
}
typedef struct {
char active;
char pattern[MAX_PATH];
struct dirent **fileListTemp;
char **paths;
int cnt;
int handle;
void* data;
} enumerate_file_info;
static enumerate_file_info _enumerateFileInfoList[8] = { 0 };
char *g_file_pattern;
static int winfilter(const struct dirent *d)
{
int entry_length = strnlen(d->d_name, MAX_PATH);
char *name_upper = malloc(entry_length + 1);
if (name_upper == NULL)
{
log_error("out of memory");
return 0;
}
for (int i = 0; i < entry_length; i++)
{
name_upper[i] = (char)toupper(d->d_name[i]);
}
name_upper[entry_length] = '\0';
bool match = fnmatch(g_file_pattern, name_upper, FNM_PATHNAME) == 0;
//log_verbose("trying matching filename %s, result = %d", name_upper, match);
free(name_upper);
return match;
}
int platform_enumerate_files_begin(const utf8 *pattern)
{
enumerate_file_info *enumFileInfo;
wchar_t *wpattern = utf8_to_widechar(pattern);
int length = min(utf8_length(pattern), MAX_PATH);
char *npattern = malloc(length+1);
int converted;
converted = wcstombs(npattern, wpattern, length);
npattern[length] = '\0';
if (converted == MAX_PATH) {
log_warning("truncated string %s", npattern);
}
log_verbose("begin file search, pattern: %s", npattern);
char *file_name = strrchr(npattern, platform_get_path_separator());
char *dir_name;
if (file_name != NULL)
{
dir_name = strndup(npattern, file_name - npattern);
file_name = &file_name[1];
} else {
file_name = npattern;
dir_name = strdup(".");
}
int pattern_length = strlen(file_name);
g_file_pattern = strndup(file_name, pattern_length);
for (int j = 0; j < pattern_length; j++)
{
g_file_pattern[j] = (char)toupper(g_file_pattern[j]);
}
log_verbose("looking for file matching %s", g_file_pattern);
int cnt;
for (int i = 0; i < countof(_enumerateFileInfoList); i++) {
enumFileInfo = &_enumerateFileInfoList[i];
if (!enumFileInfo->active) {
safe_strcpy(enumFileInfo->pattern, npattern, sizeof(enumFileInfo->pattern));
cnt = scandir(dir_name, &enumFileInfo->fileListTemp, winfilter, alphasort);
if (cnt < 0)
{
break;
}
log_verbose("found %d files matching in dir '%s'", cnt, dir_name);
enumFileInfo->cnt = cnt;
enumFileInfo->paths = malloc(cnt * sizeof(char *));
char **paths = enumFileInfo->paths;
// 256 is size of dirent.d_name
const int buf_len = min(MAX_PATH, 256);
const int dir_name_len = strnlen(dir_name, MAX_PATH);
char separator[] = {platform_get_path_separator(), 0};
for (int idx = 0; idx < cnt; idx++)
{
struct dirent *d = enumFileInfo->fileListTemp[idx];
const int entry_len = strnlen(d->d_name, MAX_PATH);
// 1 for separator, 1 for trailing null
size_t path_len = sizeof(char) * min(MAX_PATH, entry_len + dir_name_len + 2);
paths[idx] = malloc(path_len);
paths[idx][0] = '\0';
log_verbose("dir_name: %s", dir_name);
strncat(paths[idx], dir_name, path_len - 2);
strncat(paths[idx], separator, path_len - strnlen(paths[idx], path_len) - 1);
strncat(paths[idx], d->d_name, path_len - strnlen(paths[idx], path_len) - 1);
log_verbose("paths[%d] = %s", idx, paths[idx]);
}
enumFileInfo->handle = 0;
enumFileInfo->active = 1;
free(dir_name);
free(g_file_pattern);
g_file_pattern = NULL;
free(wpattern);
free(npattern);
return i;
}
}
free(dir_name);
free(g_file_pattern);
g_file_pattern = NULL;
free(wpattern);
free(npattern);
return -1;
}
bool platform_enumerate_files_next(int handle, file_info *outFileInfo)
{
if (handle < 0)
{
return false;
}
enumerate_file_info *enumFileInfo = &_enumerateFileInfoList[handle];
bool result;
if (enumFileInfo->handle < enumFileInfo->cnt) {
result = true;
} else {
result = false;
}
if (result) {
int entryIdx = enumFileInfo->handle++;
struct stat fileInfo;
log_verbose("trying handle %d", entryIdx);
char *fileName = enumFileInfo->paths[entryIdx];
int statRes;
statRes = stat(fileName, &fileInfo);
if (statRes == -1) {
log_error("failed to stat file '%s'! errno = %i", fileName, errno);
return false;
}
outFileInfo->path = basename(fileName);
outFileInfo->size = fileInfo.st_size;
outFileInfo->last_modified = fileInfo.st_mtime;
return true;
} else {
return false;
}
}
void platform_enumerate_files_end(int handle)
{
if (handle < 0)
{
return;
}
enumerate_file_info *enumFileInfo = &_enumerateFileInfoList[handle];
int cnt = enumFileInfo->cnt;
for (int i = 0; i < cnt; i++) {
free(enumFileInfo->fileListTemp[i]);
free(enumFileInfo->paths[i]);
}
free(enumFileInfo->fileListTemp);
free(enumFileInfo->paths);
// FIXME: this here could have a bug
enumFileInfo->fileListTemp = NULL;
enumFileInfo->handle = 0;
enumFileInfo->active = 0;
}
static int dirfilter(const struct dirent *d)
{
if (d->d_name[0] == '.') {
return 0;
}
#if defined(_DIRENT_HAVE_D_TYPE) || defined(DT_UNKNOWN)
if (d->d_type == DT_DIR || d->d_type == DT_LNK)
{
return 1;
} else {
return 0;
}
#else
#error implement dirfilter!
#endif // defined(_DIRENT_HAVE_D_TYPE) || defined(DT_UNKNOWN)
}
int platform_enumerate_directories_begin(const utf8 *directory)
{
enumerate_file_info *enumFileInfo;
wchar_t *wpattern = utf8_to_widechar(directory);
int length = min(utf8_length(directory), MAX_PATH);
char *npattern = malloc(length+1);
int converted;
converted = wcstombs(npattern, wpattern, length);
npattern[length - 1] = '\0';
if (converted == MAX_PATH) {
log_warning("truncated string %s", npattern);
}
log_verbose("begin directory listing, path: %s", npattern);
// TODO: add some checking for stringness and directoryness
int cnt;
for (int i = 0; i < countof(_enumerateFileInfoList); i++) {
enumFileInfo = &_enumerateFileInfoList[i];
if (!enumFileInfo->active) {
safe_strcpy(enumFileInfo->pattern, npattern, length);
cnt = scandir(npattern, &enumFileInfo->fileListTemp, dirfilter, alphasort);
if (cnt < 0)
{
break;
}
log_verbose("found %d files in dir '%s'", cnt, npattern);
enumFileInfo->cnt = cnt;
enumFileInfo->paths = malloc(cnt * sizeof(char *));
char **paths = enumFileInfo->paths;
// 256 is size of dirent.d_name
const int buf_len = min(MAX_PATH, 256);
const int dir_name_len = strnlen(npattern, MAX_PATH);
char separator[] = {platform_get_path_separator(), 0};
for (int idx = 0; idx < cnt; idx++)
{
struct dirent *d = enumFileInfo->fileListTemp[idx];
const int entry_len = strnlen(d->d_name, MAX_PATH);
// 1 for separator, 1 for trailing null
size_t path_len = sizeof(char) * min(MAX_PATH, entry_len + dir_name_len + 2);
paths[idx] = malloc(path_len);
paths[idx][0] = '\0';
log_verbose("dir_name: %s", npattern);
strncat(paths[idx], npattern, path_len - 2);
strncat(paths[idx], separator, path_len - strnlen(paths[idx], path_len) - 1);
strncat(paths[idx], d->d_name, path_len - strnlen(paths[idx], path_len) - 1);
log_verbose("paths[%d] = %s", idx, paths[idx]);
}
enumFileInfo->handle = 0;
enumFileInfo->active = 1;
free(wpattern);
free(npattern);
return i;
}
}
free(wpattern);
free(npattern);
return -1;
}
bool platform_enumerate_directories_next(int handle, utf8 *path)
{
if (handle < 0)
{
return false;
}
bool result;
enumerate_file_info *enumFileInfo = &_enumerateFileInfoList[handle];
log_verbose("handle = %d", handle);
if (enumFileInfo->handle < enumFileInfo->cnt) {
result = true;
} else {
result = false;
}
if (result) {
int entryIdx = enumFileInfo->handle++;
struct stat fileInfo;
char *fileName = enumFileInfo->paths[entryIdx];
int statRes;
statRes = stat(fileName, &fileInfo);
if (statRes == -1) {
log_error("failed to stat file '%s'! errno = %i", fileName, errno);
return false;
}
// so very, very wrong
safe_strcpy(path, basename(fileName), MAX_PATH);
strncat(path, "/", MAX_PATH - strlen(path) - 1);
return true;
} else {
return false;
}
}
void platform_enumerate_directories_end(int handle)
{
if (handle < 0)
{
return;
}
enumerate_file_info *enumFileInfo = &_enumerateFileInfoList[handle];
int cnt = enumFileInfo->cnt;
for (int i = 0; i < cnt; i++) {
free(enumFileInfo->fileListTemp[i]);
free(enumFileInfo->paths[i]);
}
free(enumFileInfo->fileListTemp);
free(enumFileInfo->paths);
// FIXME: this here could have a bug
enumFileInfo->fileListTemp = NULL;
enumFileInfo->handle = 0;
enumFileInfo->active = 0;
}
int platform_get_drives(){
// POSIX systems do not know drives. Return 0.
return 0;
}
bool platform_file_copy(const utf8 *srcPath, const utf8 *dstPath, bool overwrite)
{
log_verbose("Copying %s to %s", srcPath, dstPath);
FILE *dstFile;
if (overwrite) {
dstFile = fopen(dstPath, "wb");
} else {
// Portability note: check your libc's support for "wbx"
dstFile = fopen(dstPath, "wbx");
}
if (dstFile == NULL) {
if (errno == EEXIST) {
log_warning("platform_file_copy: Not overwriting %s, because overwrite flag == false", dstPath);
return 0;
}
log_error("Could not open destination file %s for copying", dstPath);
return 0;
}
// Open both files and check whether they are opened correctly
FILE *srcFile = fopen(srcPath, "rb");
if (srcFile == NULL) {
fclose(dstFile);
log_error("Could not open source file %s for copying", srcPath);
return 0;
}
size_t amount_read = 0;
char* buffer = (char*) malloc(FILE_BUFFER_SIZE);
while ((amount_read = fread(buffer, FILE_BUFFER_SIZE, 1, srcFile))) {
fwrite(buffer, amount_read, 1, dstFile);
}
fclose(srcFile);
fclose(dstFile);
free(buffer);
return 0;
}
bool platform_file_move(const utf8 *srcPath, const utf8 *dstPath)
{
return rename(srcPath, dstPath) == 0;
}
bool platform_file_delete(const utf8 *path)
{
int ret = unlink(path);
return ret == 0;
}
wchar_t *regular_to_wchar(const char* src)
{
int len = strnlen(src, MAX_PATH);
wchar_t *w_buffer = malloc((len + 1) * sizeof(wchar_t));
mbtowc (NULL, NULL, 0); /* reset mbtowc */
int max = len;
int i = 0;
while (max > 0)
{
int length;
length = mbtowc(&w_buffer[i], &src[i], max);
if (length < 1)
{
w_buffer[i + 1] = '\0';
break;
}
i += length;
max -= length;
}
return w_buffer;
}
void platform_posix_sub_user_data_path(char *buffer, const char *homedir, const char *separator);
/**
* Default directory fallback is:
* - (command line argument)
* - <platform dependent>
*/
void platform_resolve_user_data_path()
{
const char separator[2] = { platform_get_path_separator(), 0 };
if (gCustomUserDataPath[0] != 0) {
if (realpath(gCustomUserDataPath, _userDataDirectoryPath) == NULL) {
log_error("Could not resolve path \"%s\"", gCustomUserDataPath);
return;
}
// Ensure path ends with separator
int len = strlen(_userDataDirectoryPath);
if (_userDataDirectoryPath[len - 1] != separator[0]) {
strncat(_userDataDirectoryPath, separator, MAX_PATH - 1);
}
return;
}
char buffer[MAX_PATH];
buffer[0] = '\0';
log_verbose("buffer = '%s'", buffer);
const char *homedir = getpwuid(getuid())->pw_dir;
platform_posix_sub_user_data_path(buffer, homedir, separator);
log_verbose("OpenRCT2 user data directory = '%s'", buffer);
int len = strnlen(buffer, MAX_PATH);
wchar_t *w_buffer = regular_to_wchar(buffer);
w_buffer[len] = '\0';
utf8 *path = widechar_to_utf8(w_buffer);
free(w_buffer);
safe_strcpy(_userDataDirectoryPath, path, MAX_PATH);
free(path);
}
void platform_get_openrct_data_path(utf8 *outPath)
{
safe_strcpy(outPath, _openrctDataDirectoryPath, sizeof(_openrctDataDirectoryPath));
}
void platform_posix_sub_resolve_openrct_data_path(utf8 *out);
/**
* Default directory fallback is:
* - (command line argument)
* - <exePath>/data
* - <platform dependent>
*/
void platform_resolve_openrct_data_path()
{
const char separator[2] = { platform_get_path_separator(), 0 };
if (gCustomOpenrctDataPath[0] != 0) {
if (realpath(gCustomOpenrctDataPath, _openrctDataDirectoryPath)) {
log_error("Could not resolve path \"%s\"", gCustomUserDataPath);
return;
}
// Ensure path ends with separator
int len = strlen(_openrctDataDirectoryPath);
if (_openrctDataDirectoryPath[len - 1] != separator[0]) {
strncat(_openrctDataDirectoryPath, separator, MAX_PATH - 1);
}
return;
}
char buffer[MAX_PATH] = { 0 };
platform_get_exe_path(buffer);
strncat(buffer, separator, MAX_PATH - strnlen(buffer, MAX_PATH) - 1);
strncat(buffer, "data", MAX_PATH - strnlen(buffer, MAX_PATH) - 1);
log_verbose("Looking for OpenRCT2 data in %s", buffer);
if (platform_directory_exists(buffer))
{
_openrctDataDirectoryPath[0] = '\0';
safe_strcpy(_openrctDataDirectoryPath, buffer, MAX_PATH);
log_verbose("Found OpenRCT2 data in %s", _openrctDataDirectoryPath);
return;
}
platform_posix_sub_resolve_openrct_data_path(_openrctDataDirectoryPath);
log_verbose("Trying to use OpenRCT2 data in %s", _openrctDataDirectoryPath);
}
void platform_get_user_directory(utf8 *outPath, const utf8 *subDirectory)
{
const char separator[2] = { platform_get_path_separator(), 0 };
char buffer[MAX_PATH];
safe_strcpy(buffer, _userDataDirectoryPath, sizeof(buffer));
if (subDirectory != NULL && subDirectory[0] != 0) {
log_verbose("adding subDirectory '%s'", subDirectory);
strncat(buffer, subDirectory, MAX_PATH - strnlen(buffer, MAX_PATH) - 1);
strncat(buffer, separator, MAX_PATH - strnlen(buffer, MAX_PATH) - 1);
}
int len = strnlen(buffer, MAX_PATH);
wchar_t *w_buffer = regular_to_wchar(buffer);
w_buffer[len] = '\0';
utf8 *path = widechar_to_utf8(w_buffer);
free(w_buffer);
safe_strcpy(outPath, path, MAX_PATH);
free(path);
log_verbose("outPath + subDirectory = '%s'", buffer);
}
uint16 platform_get_locale_language(){
const char *langString = setlocale(LC_MESSAGES, "");
if(langString != NULL){
// The locale has the following form:
// language[_territory[.codeset]][@modifier] (see https://www.gnu.org/software/libc/manual/html_node/Locale-Names.html)
char pattern[32]; // longest on my system is 29 with codeset and modifier, so 32 for the pattern should be more than enough
//strip the codeset and modifier part
int length = strlen(langString);
{
for(int i = 0; i < length; ++i){
if(langString[i] == '.' || langString[i] == '@'){
length = i;
break;
}
}
} //end strip
strncpy(pattern,langString, length); //copy all until first '.' or '@'
pattern[length] = '\0';
//find _ if present
const char *strip = strchr(pattern, '_');
if(strip != NULL){
pattern[strip - pattern] = '?'; // could also use '-', but '?' is more flexible. Maybe LanguagesDescriptors will change. pattern is now "language?territory"
}
// Iterate through all available languages
for(int i = 1; i < LANGUAGE_COUNT; ++i){
if(!fnmatch(pattern, LanguagesDescriptors[i].locale, 0)){
return i;
}
}
//special cases :(
if(!fnmatch(pattern, "en_CA", 0)){
return LANGUAGE_ENGLISH_US;
}
else if (!fnmatch(pattern, "zh_CN", 0)){
return LANGUAGE_CHINESE_SIMPLIFIED;
}
else if (!fnmatch(pattern, "zh_TW", 0)){
return LANGUAGE_CHINESE_TRADITIONAL;
}
//no exact match found trying only language part
if(strip != NULL){
pattern[strip - pattern] = '*';
pattern[strip - pattern +1] = '\0'; // pattern is now "language*"
for(int i = 1; i < LANGUAGE_COUNT; ++i){
if(!fnmatch(pattern, LanguagesDescriptors[i].locale, 0)){
return i;
}
}
}
}
return LANGUAGE_ENGLISH_UK;
}
time_t platform_file_get_modified_time(const utf8* path){
struct stat buf;
if (stat(path, &buf) == 0) {
return buf.st_mtime;
}
return 100;
}
uint8 platform_get_locale_currency(){
char *langstring = setlocale(LC_MONETARY, "");
if (langstring == NULL) {
return platform_get_currency_value(NULL);
}
struct lconv *lc = localeconv();
return platform_get_currency_value(lc->int_curr_symbol);
}
uint8 platform_get_locale_measurement_format(){
// LC_MEASUREMENT is GNU specific.
#ifdef LC_MEASUREMENT
const char *langstring = setlocale(LC_MEASUREMENT, "");
#else
const char *langstring = setlocale(LC_ALL, "");
#endif
if(langstring != NULL){
//using https://en.wikipedia.org/wiki/Metrication#Chronology_and_status_of_conversion_by_country as reference
if(!fnmatch("*_US*", langstring, 0) || !fnmatch("*_MM*", langstring, 0) || !fnmatch("*_LR*", langstring, 0)){
return MEASUREMENT_FORMAT_IMPERIAL;
}
}
return MEASUREMENT_FORMAT_METRIC;
}
uint8 platform_get_locale_temperature_format(){
// LC_MEASUREMENT is GNU specific.
#ifdef LC_MEASUREMENT
const char *langstring = setlocale(LC_MEASUREMENT, "");
#else
const char *langstring = setlocale(LC_ALL, "");
#endif
if(langstring != NULL){
if(!fnmatch("*_US*", langstring, 0) || !fnmatch("*_BS*", langstring, 0) || !fnmatch("*_BZ*", langstring, 0) || !fnmatch("*_PW*", langstring, 0)){
return TEMPERATURE_FORMAT_F;
}
}
return TEMPERATURE_FORMAT_C;
}
datetime64 platform_get_datetime_now_utc()
{
const datetime64 epochAsTicks = 621355968000000000;
struct timeval tv;
gettimeofday(&tv, NULL);
uint64 utcEpoch = tv.tv_sec;
// Epoch starts from: 1970-01-01T00:00:00Z
// Convert to ticks from 0001-01-01T00:00:00Z
uint64 utcEpochTicks = (uint64)tv.tv_sec * 10000000ULL + tv.tv_usec * 10;
datetime64 utcNow = epochAsTicks + utcEpochTicks;
return utcNow;
}
utf8* platform_get_username() {
struct passwd* pw = getpwuid(getuid());
if (pw) {
return pw->pw_name;
} else {
return NULL;
}
}
void platform_init_window_icon()
{
// TODO Create a surface with the window icon
// SDL_SetWindowIcon(gWindow, iconSurface)
}
#endif