added os_get_home_path and os_mkdir to osx cocoa platform

libobs/util/platform-cocoa.m

@@ -0,0 +1,140 @@
+/******************************************************************************
+  Copyright (c) 2013 by Ruwen Hahn <palana@stunned.de>
+
+  This software is provided 'as-is', without any express or implied
+  warranty. In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+     1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+
+     2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+
+     3. This notice may not be removed or altered from any source
+     distribution.
+******************************************************************************/
+
+#include "base.h"
+#include "platform.h"
+#include "dstr.h"
+
+#include <dlfcn.h>
+#include <time.h>
+#include <unistd.h>
+
+#include <sys/stat.h>
+
+#include <CoreServices/CoreServices.h>
+#include <mach/mach.h>
+#include <mach/mach_time.h>
+
+#import <Cocoa/Cocoa.h>
+
+void *os_dlopen(const char *path)
+{
+	struct dstr dylib_name;
+	dstr_init_copy(&dylib_name, path);
+	if(!dstr_find(&dylib_name, ".so"))
+		dstr_cat(&dylib_name, ".so");
+
+	void *res = dlopen(dylib_name.array, RTLD_LAZY);
+	if(!res)
+		blog(LOG_ERROR, "os_dlopen(%s->%s): %s\n",
+				path, dylib_name.array, dlerror());
+
+	dstr_free(&dylib_name);
+	return res;
+}
+
+void *os_dlsym(void *module, const char *func)
+{
+	return dlsym(module, func);
+}
+
+void os_dlclose(void *module)
+{
+	dlclose(module);
+}
+
+void os_sleepto_ns(uint64_t time_target)
+{
+	uint64_t current = os_gettime_ns();
+	if(time_target < current)
+		return;
+	time_target -= current;
+	struct timespec req,
+			remain;
+	memset(&req, 0, sizeof(req));
+	memset(&remain, 0, sizeof(remain));
+	req.tv_sec = time_target/1000000000;
+	req.tv_nsec = time_target%1000000000;
+	while(nanosleep(&req, &remain))
+	{
+		req = remain;
+		memset(&remain, 0, sizeof(remain));
+	}
+}
+
+void os_sleep_ms(uint32_t duration)
+{
+	usleep(duration*1000);
+}
+
+uint64_t os_gettime_ns(void)
+{
+	uint64_t t = mach_absolute_time();
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wdeprecated-declarations"	
+	Nanoseconds nano = AbsoluteToNanoseconds(*(AbsoluteTime*) &t);
+#pragma clang diagnostic pop
+	return *(uint64_t*) &nano;
+}
+
+uint64_t os_gettime_ms(void)
+{
+	return  os_gettime_ns()/1000000;
+}
+
+char *os_get_home_path(void)
+{
+	NSArray *paths = NSSearchPathForDirectoriesInDomains(
+			NSApplicationSupportDirectory, NSUserDomainMask, YES);
+
+	if([paths count] == 0)
+		bcrash("Could not get home directory (platform-cocoa)");
+
+	NSString *application_support = paths[0];// objectAtIndex:0];
+
+	NSUInteger len = [application_support
+		lengthOfBytesUsingEncoding:NSUTF8StringEncoding];
+
+	char *path = bmalloc(len+1);
+
+	path[len] = 0;
+
+	memcpy(path, [application_support UTF8String], len);
+
+	[application_support release];
+
+	[paths release];
+
+	return path;
+}
+
+int os_mkdir(const char *path)
+{
+	if(!mkdir(path, 0777))
+		return MKDIR_SUCCESS;
+
+	if(errno == EEXIST)
+		return MKDIR_EXISTS;
+
+	return MKDIR_ERROR;
+}