David Rönnqvist d-ronnqvist
steipete
/ PSPDFCheckAgainstIncompatible3rdPartyCode.m
Last active
February 6, 2018 06:14
Because this is still haunting our customers: https://twitter.com/steipete/status/433355491436011522
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| BOOL PSPDFSystemFunctionOverriddenInCategory(Class theClass, SEL selector, NSString *__autoreleasing* categoryName) { | |
| NSCParameterAssert(theClass); | |
| NSCParameterAssert(selector); | |
| Dl_info info; | |
| if (dladdr(class_getMethodImplementation(theClass, selector), &info)) { | |
| // /System/Library/Frameworks is a common denominator, some methods are in /usr/lib/libobjc.A.dylib | |
| // Custom app is in /private/var/mobile/Containers/Bundle/Application/<UID>/PSPDFCatalog.app/PSPDFCatalog | |
| if (!strstr(info.dli_fname, "/System/Library") && !strstr(info.dli_fname, "/usr/lib")) { | |
| if (categoryName) *categoryName = @(info.dli_sname); |
iamleeg
/ sillyloop.m
Last active
December 23, 2015 23:59
You probably don't need to tell me that this is a bad idea.
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| #import <Foundation/Foundation.h> | |
| typedef NS_ENUM(int, GJLRangeDirection) { | |
| GJLRangeDirectionPositive, | |
| GJLRangeDirectionNegative, | |
| }; | |
| @interface GJLRange : NSEnumerator | |
| + (instancetype)rangeWithStart: (NSNumber *)start end: (NSNumber *)end step: (NSNumber *)step; |