ObjFW  Check-in [8fe08864f8]

	@try {
		void *pool;
		OFMutableDictionary *environment;
#if defined(__MACH__) && !defined(OF_IOS)
		char **env = *_NSGetEnviron();
#elif defined(__WIN32)
		of_char16_t *env;
#elif !defined(OF_IOS)
		char **env = environ;
#else
		char *env;
#endif

		environment = [[OFMutableDictionary alloc] init];

#ifndef __STDC_CONSTANT_MACROS
# define __STDC_CONSTANT_MACROS
#endif

#include <sys/types.h>

#import "OFStream.h"
#import "OFString.h"

#ifdef _WIN32
# include <windows.h>
#endif


@class OFArray;
@class OFDictionary;

/*!
 * @brief A class for stream-like communication with a newly created process.
 */
@interface OFProcess: OFStream

      programName: (OFString*)programName
	arguments: (OFArray*)arguments
      environment: (OFDictionary*)environment;

#ifndef _WIN32
- (char**)OF_environmentForDictionary: (OFDictionary*)dictionary;
#else
- (of_char16_t*)OF_environmentForDictionary: (OFDictionary*)dictionary;
#endif

/*!
 * @brief Closes the write direction of the process.
 *
 * This method needs to be called for some programs before data can be read,
 * since some programs don't start processing before the write direction is
 * closed.
 */
- (void)closeForWriting;
@end

		SECURITY_ATTRIBUTES sa;
		PROCESS_INFORMATION pi;
		STARTUPINFOW si;
		void *pool;
		OFMutableString *argumentsString;
		OFEnumerator *enumerator;
		OFString *argument;
		of_char16_t *argumentsCopy;
		size_t length;

		sa.nLength = sizeof(sa);
		sa.bInheritHandle = TRUE;
		sa.lpSecurityDescriptor = NULL;

		if (!CreatePipe(&_readPipe[0], &_readPipe[1], &sa, 0))

			[argumentsString appendString: tmp];

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

		length = [argumentsString UTF16StringLength];
		argumentsCopy = [self allocMemoryWithSize: sizeof(of_char16_t)
						    count: length + 1];
		memcpy(argumentsCopy, [argumentsString UTF16String],
		    ([argumentsString UTF16StringLength] + 1) * 2);
		@try {
			if (!CreateProcessW([program UTF16String],
			    argumentsCopy, NULL, NULL, TRUE,
			    CREATE_UNICODE_ENVIRONMENT,

	}

	envp[i] = NULL;

	return envp;
}
#else
- (of_char16_t*)OF_environmentForDictionary: (OFDictionary*)environment
{
	OFDataArray *env = [OFDataArray dataArrayWithItemSize: 2];
	OFEnumerator *keyEnumerator, *objectEnumerator;
	OFString *key, *object;
	const of_char16_t equal = '=';
	const of_char16_t zero = 0;

	keyEnumerator = [environment keyEnumerator];
	objectEnumerator = [environment objectEnumerator];

	while ((key = [keyEnumerator nextObject]) != nil &&
	    (object = [objectEnumerator nextObject]) != nil) {
		[env addItems: [key UTF16String]

		old = *pointer;

		skipWhitespaces(pointer, stop, line);
		skipComment(pointer, stop, line);
	}
}

static inline of_char16_t
parseUnicodeEscape(const char *pointer, const char *stop)
{
	of_char16_t ret = 0;
	char i;

	if (pointer + 5 >= stop)
		return 0xFFFF;

	if (pointer[0] != '\\' || pointer[1] != 'u')
		return 0xFFFF;

				break;
			case 't':
				buffer[i++] = '\t';
				(*pointer)++;
				break;
			/* Parse unicode escape sequence */
			case 'u':;
				of_char16_t c1, c2;
				of_unichar_t c;
				size_t l;

				c1 = parseUnicodeEscape(*pointer - 1, stop);
				if (c1 == 0xFFFF) {
					free(buffer);
					return nil;

		    (**pointer >= 'A' && **pointer <= 'Z') ||
		    (**pointer >= '0' && **pointer <= '9') ||
		    **pointer == '_' || **pointer == '$' ||
		    (**pointer & 0x80)) {
			buffer[i++] = **pointer;
			(*pointer)++;
		} else if (**pointer == '\\') {
			of_char16_t c1, c2;
			of_unichar_t c;
			size_t l;

			if (++(*pointer) >= stop || **pointer != 'u') {
				free(buffer);
				return nil;
			}