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Differences From Artifact [1dbbe7eb69]:

To Artifact [3fc178ff9d]:

  • File src/OFSystemInfo.m — part of check-in [4e926dc017] at 2017-12-23 20:35:28 on branch trunk — Implement fallback to NS*SearchPathEnumeration

    This is used when sysdir_*_search_path_enumeration is unavailable.

    Unfortunately, iOS 9 does not support sysdir_*_search_path_enumeration.
    When compiled with a newer SDK, the symbol is available during linking,
    but not at runtime, resulting in a crash. However, newer SDKs also
    dropped NS*SearchPathEnumeration, so that it is not easy to provide a
    fallback. This means that we need to declare all enums, types and
    functions rather than just including them. (user: js, size: 10427) [annotate] [blame] [check-ins using]

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#import "OFApplication.h"

#import "OFNotImplementedException.h"

#if defined(OF_MACOS) || defined(OF_IOS)
# ifdef HAVE_SYSDIR_H
#  include <sysdir.h>
# else
#  include <NSSystemDirectories.h>
# endif
#endif
#ifdef OF_WINDOWS
# include <windows.h>
#endif
#ifdef OF_HAIKU
# include <FindDirectory.h>
#endif
#ifdef OF_QNX
# include <sys/syspage.h>
#endif

#if defined(OF_MACOS) || defined(OF_IOS)
/*
 * These have been dropped from newer iOS SDKs, however, their replacements are
 * not available on iOS < 10. This means it's impossible to search for the
 * paths when using a new SDK while targeting iOS 9 or earlier. To work around
 * this, we define those manually, only to be used when the replacements are
 * not available at runtime.
 */

typedef enum {
	NSLibraryDirectory = 5,
	NSApplicationSupportDirectory = 14
} NSSearchPathDirectory;

typedef enum {
	NSUserDomainMask = 1
} NSSearchPathDomainMask;

typedef unsigned int NSSearchPathEnumerationState;

extern NSSearchPathEnumerationState NSStartSearchPathEnumeration(
    NSSearchPathDirectory, NSSearchPathDomainMask);
extern NSSearchPathEnumerationState NSGetNextSearchPathEnumeration(
    NSSearchPathEnumerationState, char *);
#endif

#if defined(OF_X86_64) || defined(OF_X86)
struct x86_regs {
	uint32_t eax, ebx, ecx, edx;
};
#endif
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+ (OFString *)userDataPath
{
#if defined(OF_MACOS) || defined(OF_IOS)
	char pathC[PATH_MAX];
	OFMutableString *path;

# ifdef HAVE_SYSDIR_START_SEARCH_PATH_ENUMERATION
	/* (1) to disable dead code warning when it is not a weak symbol */
	if ((1) && &sysdir_start_search_path_enumeration != NULL) {
	sysdir_search_path_enumeration_state state;
		sysdir_search_path_enumeration_state state;

	state = sysdir_start_search_path_enumeration(
	    SYSDIR_DIRECTORY_APPLICATION_SUPPORT, SYSDIR_DOMAIN_MASK_USER);
	if (sysdir_get_next_search_path_enumeration(state, pathC) == 0)
		@throw [OFNotImplementedException exceptionWithSelector: _cmd
								 object: self];
# else
	NSSearchPathEnumerationState state;
		state = sysdir_start_search_path_enumeration(
		    SYSDIR_DIRECTORY_APPLICATION_SUPPORT,
		    SYSDIR_DOMAIN_MASK_USER);
		if (sysdir_get_next_search_path_enumeration(state, pathC) == 0)
			@throw [OFNotImplementedException
			    exceptionWithSelector: _cmd
					   object: self];
	} else {
# endif
		NSSearchPathEnumerationState state;

	state = NSStartSearchPathEnumeration(NSApplicationSupportDirectory,
	    NSUserDomainMask);
	if (NSGetNextSearchPathEnumeration(state, pathC) == 0)
		@throw [OFNotImplementedException exceptionWithSelector: _cmd
								 object: self];
		state = NSStartSearchPathEnumeration(
		    NSApplicationSupportDirectory, NSUserDomainMask);
		if (NSGetNextSearchPathEnumeration(state, pathC) == 0)
			@throw [OFNotImplementedException
			    exceptionWithSelector: _cmd
					   object: self];
# ifdef HAVE_SYSDIR_START_SEARCH_PATH_ENUMERATION
	}
# endif

	path = [OFMutableString stringWithUTF8String: pathC];
	if ([path hasPrefix: @"~"]) {
		OFDictionary *env = [OFApplication environment];
		OFString *home;
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+ (OFString *)userConfigPath
{
#if defined(OF_MACOS) || defined(OF_IOS)
	char pathC[PATH_MAX];
	OFMutableString *path;

# ifdef HAVE_SYSDIR_START_SEARCH_PATH_ENUMERATION
	/* (1) to disable dead code warning when it is not a weak symbol */
	if ((1) && &sysdir_start_search_path_enumeration != NULL) {
	sysdir_search_path_enumeration_state state;
		sysdir_search_path_enumeration_state state;

	state = sysdir_start_search_path_enumeration(
	    SYSDIR_DIRECTORY_LIBRARY, SYSDIR_DOMAIN_MASK_USER);
	if (sysdir_get_next_search_path_enumeration(state, pathC) == 0)
		@throw [OFNotImplementedException exceptionWithSelector: _cmd
								 object: self];
# else
	NSSearchPathEnumerationState state;
		state = sysdir_start_search_path_enumeration(
		    SYSDIR_DIRECTORY_LIBRARY, SYSDIR_DOMAIN_MASK_USER);
		if (sysdir_get_next_search_path_enumeration(state, pathC) == 0)
			@throw [OFNotImplementedException
			    exceptionWithSelector: _cmd
					   object: self];
	} else {
# endif
		NSSearchPathEnumerationState state;

	state = NSStartSearchPathEnumeration(NSLibraryDirectory,
	    NSUserDomainMask);
	if (NSGetNextSearchPathEnumeration(state, pathC) == 0)
		@throw [OFNotImplementedException exceptionWithSelector: _cmd
								 object: self];
		state = NSStartSearchPathEnumeration(NSLibraryDirectory,
		    NSUserDomainMask);
		if (NSGetNextSearchPathEnumeration(state, pathC) == 0)
			@throw [OFNotImplementedException
			    exceptionWithSelector: _cmd
					   object: self];
# ifdef HAVE_SYSDIR_START_SEARCH_PATH_ENUMERATION
	}
# endif

	path = [OFMutableString stringWithUTF8String: pathC];
	if ([path hasPrefix: @"~"]) {
		OFDictionary *env = [OFApplication environment];
		OFString *home;
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