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* Source/GSPrivate.h (GSCharPtr): New union type to handle

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alignment issues.
	(GSString): Use it.
	* Source/GSString.m
	([-initWithBytesNoCopy:length:encoding:freeWhenDone:]): Use GSCharPtr
	instead of casts to avoid alignment issues.  Fix typo's.

	* Source/NSString.m
	([-initWithBytesNoCopy:length:encoding:freeWhenDone:]): Correct grammar
	in comment.


git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@23009 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
ayers 2006-05-30 11:19:44 +00:00
parent 7a07d80acc
commit b3c9994d61
4 changed files with 51 additions and 25 deletions
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14
Source/GSPrivate.h
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@ -111,6 +111,15 @@ GS_EXPORT NSString *GSEncodingName(NSStringEncoding encoding);
*/
GS_EXPORT BOOL GSIsByteEncoding(NSStringEncoding encoding);
/*
* Type to hold either UTF-16 (unichar) or 8-bit encodings,
* while satisfying alignment constraints.
*/
typedef union {
unichar *u; // 16-bit unicode characters.
unsigned char *c; // 8-bit characters.
} GSCharPtr;
/*
* Private concrete string classes.
* NB. All these concrete string classes MUST have the same initial ivar
@ -121,10 +130,7 @@ GS_EXPORT BOOL GSIsByteEncoding(NSStringEncoding encoding);
*/
@interface GSString : NSString
{
union {
unichar *u; // 16-bit unicode characters.
unsigned char *c; // 8-bit characters.
} _contents;
GSCharPtr _contents;
unsigned int _count;
struct {
unsigned int wide: 1; // 16-bit characters in string?