CoreFoundation.framework

CoreFoundation.framework
Public Framework
Availabile	1.0 – present
Class Prefix	CF
Headers	[headers.cynder.me]

CoreFoundation is a cross-platform C-based API that provides reference-counted data structures, IPC facilities, run loops, etc. A subset of it is open-sourced as "CF-Lite".

This framework also provides some crucial Objective-C classes such as NSObject, NSString, NSArray, etc.

Versions

Firmware	2.0	2.1	2.2	3.0	3.1	3.2
Version	478.23	478.26.1	478.29	478.47.7	478.52	478.56

Parameters for CoreFoundation applications

CoreFoundation recognizes the following special command-line arguments:

Flag	Purpose
-AppleLanguages "(lang1, lang2, ...)"	Set the list of languages for localization.

Environment variables

Application built with CoreFoundation will recognize the following environment variables

Name	Purpose
NSZombieEnabled NSDeallocateZombies CFZombieLevel	Use "zombies" for easier detection on misusing deallocated objects.
__CF_DEBUG_EXPANDED_SET CFCharacterSetCheckForExpandedSet	Enable check for expanded character sets. When an expanded set is detected, a message "An expanded CFMutableCharacter has been detected. Recommend to compact with CFCharacterSetCreateCopy" will be printed.
CFBundleUseDYLD	Use low-level dyld(3) functions instead of dlopen(3)/etc. to check if a bundle is loaded or not.
CFProcessPath	Manually set the process path.
OAKeepAllocationStatistics	?
CFBundleDisableStringsSharing	Do not share .strings files. (?)
CFPropertyListAllowImmutableCollections	Force collections (array, dictionary) parsed from property lists to be immutable.
USER HOME PATH DYLD_IMAGE_SUFFIX	Various CF functions depend on these info.
CFFIXED_USER_HOME	Manually set the home directory.
CFUUIDVersionNumber	UUID version to use. Only supports 1 or 4.
CFLOG_FORCE_STDERR	Stream error from CFLog to stderr too.
TZFILE TZ	Timezone info.
CFNETWORK_LIBRARY_PATH	Manually set the path of the CFNetwork binary.