96 lines
2.5 KiB
Objective-C
96 lines
2.5 KiB
Objective-C
/*
|
|
* Copyright (c) 2013-2014 Ruwen Hahn <palana@stunned.de>
|
|
* Hugh "Jim" Bailey <obs.jim@gmail.com>
|
|
*
|
|
* Permission to use, copy, modify, and distribute this software for any
|
|
* purpose with or without fee is hereby granted, provided that the above
|
|
* copyright notice and this permission notice appear in all copies.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
|
|
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
|
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
|
|
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
|
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
|
|
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
|
|
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
|
*/
|
|
|
|
#include "base.h"
|
|
#include "platform.h"
|
|
#include "dstr.h"
|
|
|
|
#include <dlfcn.h>
|
|
#include <time.h>
|
|
#include <unistd.h>
|
|
|
|
#include <CoreServices/CoreServices.h>
|
|
#include <mach/mach.h>
|
|
#include <mach/mach_time.h>
|
|
|
|
#import <Cocoa/Cocoa.h>
|
|
|
|
/* clock function selection taken from libc++ */
|
|
static uint64_t ns_time_simple()
|
|
{
|
|
return mach_absolute_time();
|
|
}
|
|
|
|
static double ns_time_compute_factor()
|
|
{
|
|
mach_timebase_info_data_t info = {1, 1};
|
|
mach_timebase_info(&info);
|
|
return ((double)info.numer) / info.denom;
|
|
}
|
|
|
|
static uint64_t ns_time_full()
|
|
{
|
|
static double factor = 0.;
|
|
if (factor == 0.) factor = ns_time_compute_factor();
|
|
return (uint64_t)(mach_absolute_time() * factor);
|
|
}
|
|
|
|
typedef uint64_t (*time_func)();
|
|
|
|
static time_func ns_time_select_func()
|
|
{
|
|
mach_timebase_info_data_t info = {1, 1};
|
|
mach_timebase_info(&info);
|
|
if (info.denom == info.numer)
|
|
return ns_time_simple;
|
|
return ns_time_full;
|
|
}
|
|
|
|
uint64_t os_gettime_ns(void)
|
|
{
|
|
static time_func f = NULL;
|
|
if (!f) f = ns_time_select_func();
|
|
return f();
|
|
}
|
|
|
|
/* gets the location ~/Library/Application Support/[name] */
|
|
char *os_get_config_path(const char *name)
|
|
{
|
|
NSArray *paths = NSSearchPathForDirectoriesInDomains(
|
|
NSApplicationSupportDirectory, NSUserDomainMask, YES);
|
|
|
|
if([paths count] == 0)
|
|
bcrash("Could not get home directory (platform-cocoa)");
|
|
|
|
NSString *application_support = paths[0];
|
|
|
|
NSUInteger len = [application_support
|
|
lengthOfBytesUsingEncoding:NSUTF8StringEncoding];
|
|
|
|
char *path_ptr = bmalloc(len+1);
|
|
|
|
path_ptr[len] = 0;
|
|
|
|
memcpy(path_ptr, [application_support UTF8String], len);
|
|
|
|
struct dstr path;
|
|
dstr_init_move_array(&path, path_ptr);
|
|
dstr_cat(&path, "/");
|
|
dstr_cat(&path, name);
|
|
return path.array;
|
|
}
|