problem about cfstring-Collection of common programming errors

• 
  Konerak
  xcode4 warnings suppress-warnings cfstring
  I am using something like:illegalCharacters = [[NSCharacterSet characterSetWithCharactersInString:@”\x00\..”] retain];Xcode 4 displays a warning for it (Semantic issue: CFString literalcontains NUL character)Is there any way to fix that? I need that NUL character because I am stripping those characters defined in my “illegalCharacters” out of a string.
• 
  dhomes
  iphone memory nsstring dealloc cfstring
  an app I’m working on keeps crashing when run on the iPhone but not on the Simulator (although a warning is shown when run without symbolic malloc_error_break, but the app keeps working on the Sim)I’m not manually releasing any string, instead, i use: [[[NSString / NSMutableString alloc] init] autorelease]; (which I do all the time for other apps and have never given me a problem)Now when I set malloc_error_break as a breakpoint I get:2012-03-07 17:04:06.072 columns[15487:f803] *** -[CFString re
• 
  ankit mehta
  iphone memory-management cfstring
  I am trying to access all the first name value field from the address book. I am using this code for thisCFStringRef firstName = ABRecordCopyValue(aSource, kABPersonFirstNameProperty); first_name=[NSString stringWithFormat:@”%@”,firstName]; CFRealease(firstname)I am not using ARC. So i need to CFRealease(firstname) at the end. But in my code when i add CFRealease(firstname) my app crashes at this point and without this the app works fine.But when i try to analyse my app by using analyzer it says
• 
  EmptyStack
  iphone objective-c nsstring cfstring
  i my iphone app while assigning a string value to the table view its crashing, i have the following code in cellForRowAt index path methodwhile assigning a string value to the table viewNSMutableArray *arrTrimmedTblData=[[NSMutableArray alloc]init]; NSMutableString *strTrimmedTblData; for(int intVar=0;intVar<[array count];intVar++) {strTrimmedTblData = [NSMutableString stringWithFormat:@”%@”,[array objectAtIndex:intVar]];[strTrimmedTblData replaceOccurrencesOfString:@”(” withString:@”” opti
• 
  jlordo
  pdf monotouch dispose cgpdfdocument cfstring
  I am trying to create a thumbnail image of pdf in Monotouch but the app crashes sometimes and throws below error.Stacktrace:at MonoTouch.CoreFoundation.CFString.Dispose () [0x00000] in /Developer/MonoTouch/Source/monotouch/src/shared/CoreFoundation/CFString.cs:131 at MonoTouch.CoreFoundation.CFUrl.FromFile (string) [0x00048] in /Developer/MonoTouch/Source/monotouch/src/shared/CoreFoundation/CFUrl.cs:79 at MonoTouch.CoreGraphics.CGPDFDocument.FromFile (string) [0x00000] in /Developer/MonoTouch/So
• 
  Ben Trengrove
  cocos2d-iphone crash cfstring
  Here is the complete error in debugger :2012-11-11 17:57:34.534 Killer[13745:707] *** -[CFString copyWithZone:]: message sent to deallocated instance 0xee57540 2012-11-11 18:01:59.231 Killer[13745:707] *** -[CFString class]: message sent to deallocated instance 0xee57540 (lldb) Programming with Obj C and Cocos 2d v1.0.1, here is the crashing line player.zombieImage = [playersPicturesZombies objectAtIndex:idx];The strange thing is that i am doing the potential crashing operation 10 times befo
• 
  CodaFi
  ios ipad nsstring init cfstring
  So I’m calling this in a method:-(id)initWithContentURL:(NSString *)url { if (self = [super init]) {NSLog(@”xSheetMusicViewController – %@”,url);// Casting an NSString object pointer to a CFStringRef:CFStringRef cfString = (CFStringRef)url; CFURLRef pdfURL = CFBundleCopyResourceURL(CFBundleGetMainBundle(), cfString, NULL, NULL);pdf = CGPDFDocumentCreateWithURL((CFURLRef)pdfURL);}return self; }Which crashes right at the NSLog at the line marked:CFURLRef pdfURL = CFBundleCopyResourceURL(CFB
• 
  Itzik984
  c++ eclipse quicktime cfstring
  I am trying to use quicktime in order to play sounds from my C++ code running on eclipse.This is just an example:#include <iostream> #include <QuickTime/Movies.h>using namespace std;int main() { CFStringRef lines = CFSTR(“lines”);<—- Error CFStringRef mp3 = CFSTR(“mp3”); <—- ErrorCFURLRef filelocation;CFBundleRef gameBundle = CFBundleGetMainBundle(); filelocation = CFBundleCopyResourceURL(gameBundle, lines, mp3, NULL); return 0; }I can define the lines variable of type C

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