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Make sure copied substrings are independent of the substring parent.

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git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@8390 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
Richard Frith-MacDonald 2000-12-21 11:55:30 +00:00
parent 012ba919ad
commit dcbe706006
1 changed files with 23 additions and 0 deletions
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23
Source/GSString.m
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@ -1798,6 +1798,17 @@ transmute(ivars self, NSString *aString)
* a section of a parent constant string class.
*/
@implementation GSCSubString
/*
* Assume that a copy should be a new string, never just a retained substring.
*/
- (id) copyWithZone: (NSZone*)z
{
NSString *obj;
obj = (NSString*)NSAllocateObject(GSCInlineStringClass, _count, z);
obj = [obj initWithCString: _contents.c length: _count];
return obj;
}
- (void) dealloc
{
RELEASE(_parent);
@ -2083,6 +2094,18 @@ transmute(ivars self, NSString *aString)
* into a section of a parent constant string class.
*/
@implementation GSUnicodeSubString
/*
* Assume that a copy should be a new string, never just a retained substring.
*/
- (id) copyWithZone: (NSZone*)z
{
NSString *obj;
obj = (NSString*)NSAllocateObject(GSUnicodeInlineStringClass,
_count*sizeof(unichar), z);
obj = [obj initWithCharacters: _contents.u length: _count];
return obj;
}
- (void) dealloc
{
RELEASE(_parent);