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Minor fix for strings initialised with data they don't own ... consistent

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with MacOS-X implementation.


git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@18019 72102866-910b-0410-8b05-ffd578937521
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CaS 2003-11-01 11:11:13 +00:00
parent 009855161e
commit 82c043f108
3 changed files with 62 additions and 9 deletions
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13
Source/NSString.m
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@ -3848,11 +3848,14 @@ handle_printf_atsign (FILE *stream,
- (id) copyWithZone: (NSZone*)zone
{
if ([self isKindOfClass: [NSMutableString class]] ||
NSShouldRetainWithZone(self, zone) == NO)
return [[NSStringClass allocWithZone: zone] initWithString: self];
else
return RETAIN(self);
/*
* Default implementation should not simply retain ... the string may
* have been initialised with freeWhenDone==NO and not own its
* characters ... so the code which created it may destroy the memory
* when it has finished with the original string ... leaving the
* copy with pointers to invalid data. So, we always copy in full.
*/
return [[NSStringClass allocWithZone: zone] initWithString: self];
}
- (id) mutableCopyWithZone: (NSZone*)zone