ObjFW  Diff

#import "OFOutOfRangeException.h"
#import "OFReadFailedException.h"
#import "OFWriteFailedException.h"

#include <windows.h>

@interface OFSubprocess ()
- (of_char16_t *)of_wideEnvironmentForDictionary: (OFDictionary *)dictionary;
- (OFChar16 *)of_wideEnvironmentForDictionary: (OFDictionary *)dictionary;
- (char *)of_environmentForDictionary: (OFDictionary *)environment;
@end

@implementation OFSubprocess
+ (instancetype)subprocessWithProgram: (OFString *)program
{
	return [[[self alloc] initWithProgram: program] autorelease];

			if (containsSpaces)
				[argumentsString appendString: @"\""];
		}

		if ([OFSystemInfo isWindowsNT]) {
			size_t length;
			of_char16_t *argumentsCopy;
			OFChar16 *argumentsCopy;
			STARTUPINFOW si;

			memset(&si, 0, sizeof(si));
			si.cb = sizeof(si);
			si.hStdInput = _writePipe[0];
			si.hStdOutput = _readPipe[1];
			si.hStdError = GetStdHandle(STD_ERROR_HANDLE);
			si.dwFlags |= STARTF_USESTDHANDLES;

			length = argumentsString.UTF16StringLength;
			argumentsCopy = of_alloc(length + 1,
			    sizeof(of_char16_t));
			argumentsCopy = OFAllocMemory(length + 1,
			    sizeof(OFChar16));
			memcpy(argumentsCopy, argumentsString.UTF16String,
			    (length + 1) * 2);
			@try {
				if (!CreateProcessW(program.UTF16String,
				    argumentsCopy, NULL, NULL, TRUE,
				    CREATE_UNICODE_ENVIRONMENT,
				    [self of_wideEnvironmentForDictionary:
				    environment], NULL, &si, &pi))
					@throw [OFInitializationFailedException
					    exceptionWithClass: self.class];
			} @finally {
				free(argumentsCopy);
				OFFreeMemory(argumentsCopy);
			}
		} else {
			of_string_encoding_t encoding = [OFLocale encoding];
			OFStringEncoding encoding = [OFLocale encoding];
			STARTUPINFO si;

			memset(&si, 0, sizeof(si));
			si.cb = sizeof(si);
			si.hStdInput = _writePipe[0];
			si.hStdOutput = _readPipe[1];
			si.hStdError = GetStdHandle(STD_ERROR_HANDLE);

{
	if (_readPipe[0] != NULL)
		[self close];

	[super dealloc];
}

- (of_char16_t *)of_wideEnvironmentForDictionary: (OFDictionary *)environment
- (OFChar16 *)of_wideEnvironmentForDictionary: (OFDictionary *)environment
{
	OFMutableData *env;
	OFEnumerator *keyEnumerator, *objectEnumerator;
	OFString *key, *object;
	const of_char16_t equal = '=';
	const of_char16_t zero[2] = { 0, 0 };
	const OFChar16 equal = '=';
	const OFChar16 zero[2] = { 0, 0 };

	if (environment == nil)
		return NULL;

	env = [OFMutableData dataWithItemSize: sizeof(of_char16_t)];
	env = [OFMutableData dataWithItemSize: sizeof(OFChar16)];

	keyEnumerator = [environment keyEnumerator];
	objectEnumerator = [environment objectEnumerator];
	while ((key = [keyEnumerator nextObject]) != nil &&
	    (object = [objectEnumerator nextObject]) != nil) {
		[env addItems: key.UTF16String count: key.UTF16StringLength];
		[env addItems: &equal count: 1];
		[env addItems: object.UTF16String
			count: object.UTF16StringLength];
		[env addItems: &zero count: 1];
	}
	[env addItems: zero count: 2];

	return env.mutableItems;
}

- (char *)of_environmentForDictionary: (OFDictionary *)environment
{
	of_string_encoding_t encoding = [OFLocale encoding];
	OFStringEncoding encoding = [OFLocale encoding];
	OFMutableData *env;
	OFEnumerator *keyEnumerator, *objectEnumerator;
	OFString *key, *object;

	if (environment == nil)
		return NULL;