1 /* 2 * dlls/rsaenh/handle.h 3 * Support code to manage HANDLE tables. 4 * 5 * Copyright 1998 Alexandre Julliard 6 * Copyright 2002-2004 Mike McCormack for CodeWeavers 7 * Copyright 2004 Michael Jung 8 * 9 * This library is free software; you can redistribute it and/or 10 * modify it under the terms of the GNU Lesser General Public 11 * License as published by the Free Software Foundation; either 12 * version 2.1 of the License, or (at your option) any later version. 13 * 14 * This library is distributed in the hope that it will be useful, 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 17 * Lesser General Public License for more details. 18 * 19 * You should have received a copy of the GNU Lesser General Public 20 * License along with this library; if not, write to the Free Software 21 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA 22 */ 23 24 #ifndef __WINE_HANDLE_H 25 #define __WINE_HANDLE_H 26 27 #include <wincrypt.h> 28 29 #ifdef __cplusplus 30 extern "C" { 31 #endif 32 33 #define TABLE_SIZE_INCREMENT 32 34 35 struct tagOBJECTHDR; 36 typedef struct tagOBJECTHDR OBJECTHDR; 37 typedef void (*DESTRUCTOR)(OBJECTHDR *object); 38 struct tagOBJECTHDR 39 { 40 DWORD dwType; 41 LONG refcount; 42 DESTRUCTOR destructor; 43 }; 44 45 struct handle_table_entry 46 { 47 OBJECTHDR *pObject; 48 unsigned int iNextFree; 49 }; 50 51 struct handle_table 52 { 53 unsigned int iEntries; 54 unsigned int iFirstFree; 55 struct handle_table_entry *paEntries; 56 CRITICAL_SECTION mutex; 57 }; 58 59 void init_handle_table (struct handle_table *lpTable) DECLSPEC_HIDDEN; 60 void destroy_handle_table(struct handle_table *lpTable) DECLSPEC_HIDDEN; 61 BOOL release_handle (struct handle_table *lpTable, HCRYPTKEY handle, DWORD dwType) DECLSPEC_HIDDEN; 62 BOOL copy_handle (struct handle_table *lpTable, HCRYPTKEY handle, DWORD dwType, HCRYPTKEY *copy) DECLSPEC_HIDDEN; 63 BOOL lookup_handle (struct handle_table *lpTable, HCRYPTKEY handle, DWORD dwType, OBJECTHDR **lplpObject) DECLSPEC_HIDDEN; 64 BOOL is_valid_handle (struct handle_table *lpTable, HCRYPTKEY handle, DWORD dwType) DECLSPEC_HIDDEN; 65 66 HCRYPTKEY new_object (struct handle_table *lpTable, size_t cbSize, DWORD dwType, DESTRUCTOR destructor, 67 OBJECTHDR **ppObject) DECLSPEC_HIDDEN; 68 69 #ifdef __cplusplus 70 } 71 #endif 72 73 #endif /* __WINE_HANDLE_H */ 74