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Made SELECTOR_ReallocBlock preserve the current selector access rights 

(problem reported by Andreas Mohr).
This commit is contained in:
Alexandre Julliard 1999-04-11 15:07:13 +00:00
parent 06bcab8a50
commit 284c9b923a
3 changed files with 8 additions and 8 deletions
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4
include/selectors.h
View File

@ -13,9 +13,7 @@
extern WORD SELECTOR_AllocBlock( const void *base, DWORD size,
enum seg_type type, BOOL is32bit,
BOOL readonly );
extern WORD SELECTOR_ReallocBlock( WORD sel, const void *base, DWORD size,
enum seg_type type, BOOL is32bit,
BOOL readonly );
extern WORD SELECTOR_ReallocBlock( WORD sel, const void *base, DWORD size );
extern void SELECTOR_MoveBlock( WORD sel, const void *new_base );
extern void SELECTOR_FreeBlock( WORD sel, WORD count );

4
memory/global.c
View File

@ -361,7 +361,7 @@ HGLOBAL16 WINAPI GlobalReAlloc16(
* change the selector if we are shrinking the block.
* FIXME: shouldn't we keep selectors until the block is deleted?
*/
SELECTOR_ReallocBlock( sel, 0, 1, SEGMENT_DATA, 0, 0 );
SELECTOR_ReallocBlock( sel, 0, 1 );
return handle;
}
@ -398,7 +398,7 @@ HGLOBAL16 WINAPI GlobalReAlloc16(
/* Reallocate the selector(s) */
sel = SELECTOR_ReallocBlock( sel, ptr, size, SEGMENT_DATA, 0, 0 );
sel = SELECTOR_ReallocBlock( sel, ptr, size );
if (!sel)
{
HeapFree( SystemHeap, 0, ptr );

8
memory/selector.c
View File

@ -198,14 +198,15 @@ void SELECTOR_FreeBlock( WORD sel, WORD count )
*
* Change the size of a block of selectors.
*/
WORD SELECTOR_ReallocBlock( WORD sel, const void *base, DWORD size,
enum seg_type type, BOOL is32bit, BOOL readonly)
WORD SELECTOR_ReallocBlock( WORD sel, const void *base, DWORD size )
{
ldt_entry entry;
WORD i, oldcount, newcount;
if (!size) size = 1;
oldcount = (GET_SEL_LIMIT(sel) >> 16) + 1;
newcount = (size + 0xffff) >> 16;
LDT_GetEntry( SELECTOR_TO_ENTRY(sel), &entry );
if (oldcount < newcount) /* We need to add selectors */
{
@ -231,7 +232,8 @@ WORD SELECTOR_ReallocBlock( WORD sel, const void *base, DWORD size,
SELECTOR_FreeBlock( ENTRY_TO_SELECTOR(SELECTOR_TO_ENTRY(sel)+newcount),
oldcount - newcount );
}
if (sel) SELECTOR_SetEntries( sel, base, size, type, is32bit, readonly );
if (sel) SELECTOR_SetEntries( sel, base, size, entry.type,
entry.seg_32bit, entry.read_only );
return sel;
}