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| 1 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 2 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 4 | |
| 5 #ifndef _SECITEM_H_ | |
| 6 #define _SECITEM_H_ | |
| 7 | |
| 8 #include "utilrename.h" | |
| 9 | |
| 10 /* | |
| 11 * secitem.h - public data structures and prototypes for handling | |
| 12 * SECItems | |
| 13 * | |
| 14 * $Id: secitem.h,v 1.9 2012/04/25 14:50:16 gerv%gerv.net Exp $ | |
| 15 */ | |
| 16 | |
| 17 #include "plarena.h" | |
| 18 #include "plhash.h" | |
| 19 #include "seccomon.h" | |
| 20 | |
| 21 SEC_BEGIN_PROTOS | |
| 22 | |
| 23 /* | |
| 24 ** Allocate an item. If "arena" is not NULL, then allocate from there, | |
| 25 ** otherwise allocate from the heap. If "item" is not NULL, allocate | |
| 26 ** only the data buffer for the item, not the item itself. If "len" is | |
| 27 ** 0, do not allocate the data buffer for the item; simply set the data | |
| 28 ** field to NULL and the len field to 0. The item structure is allocated | |
| 29 ** zero-filled; the data buffer is not zeroed. The caller is responsible | |
| 30 ** for initializing the type field of the item. | |
| 31 ** | |
| 32 ** The resulting item is returned; NULL if any error occurs. | |
| 33 ** | |
| 34 ** XXX This probably should take a SECItemType, but since that is mostly | |
| 35 ** unused and our improved APIs (aka Stan) are looming, I left it out. | |
| 36 */ | |
| 37 extern SECItem *SECITEM_AllocItem(PLArenaPool *arena, SECItem *item, | |
| 38 unsigned int len); | |
| 39 | |
| 40 /* | |
| 41 ** Reallocate the data for the specified "item". If "arena" is not NULL, | |
| 42 ** then reallocate from there, otherwise reallocate from the heap. | |
| 43 ** In the case where oldlen is 0, the data is allocated (not reallocated). | |
| 44 ** In any case, "item" is expected to be a valid SECItem pointer; | |
| 45 ** SECFailure is returned if it is not. If the allocation succeeds, | |
| 46 ** SECSuccess is returned. | |
| 47 */ | |
| 48 extern SECStatus SECITEM_ReallocItem(PLArenaPool *arena, SECItem *item, | |
| 49 unsigned int oldlen, unsigned int newlen); | |
| 50 | |
| 51 /* | |
| 52 ** Compare two items returning the difference between them. | |
| 53 */ | |
| 54 extern SECComparison SECITEM_CompareItem(const SECItem *a, const SECItem *b); | |
| 55 | |
| 56 /* | |
| 57 ** Compare two items -- if they are the same, return true; otherwise false. | |
| 58 */ | |
| 59 extern PRBool SECITEM_ItemsAreEqual(const SECItem *a, const SECItem *b); | |
| 60 | |
| 61 /* | |
| 62 ** Copy "from" to "to" | |
| 63 */ | |
| 64 extern SECStatus SECITEM_CopyItem(PLArenaPool *arena, SECItem *to, | |
| 65 const SECItem *from); | |
| 66 | |
| 67 /* | |
| 68 ** Allocate an item and copy "from" into it. | |
| 69 */ | |
| 70 extern SECItem *SECITEM_DupItem(const SECItem *from); | |
| 71 | |
| 72 /* | |
| 73 ** Allocate an item and copy "from" into it. The item itself and the | |
| 74 ** data it points to are both allocated from the arena. If arena is | |
| 75 ** NULL, this function is equivalent to SECITEM_DupItem. | |
| 76 */ | |
| 77 extern SECItem *SECITEM_ArenaDupItem(PLArenaPool *arena, const SECItem *from); | |
| 78 | |
| 79 /* | |
| 80 ** Free "zap". If freeit is PR_TRUE then "zap" itself is freed. | |
| 81 */ | |
| 82 extern void SECITEM_FreeItem(SECItem *zap, PRBool freeit); | |
| 83 | |
| 84 /* | |
| 85 ** Zero and then free "zap". If freeit is PR_TRUE then "zap" itself is freed. | |
| 86 */ | |
| 87 extern void SECITEM_ZfreeItem(SECItem *zap, PRBool freeit); | |
| 88 | |
| 89 PLHashNumber PR_CALLBACK SECITEM_Hash ( const void *key); | |
| 90 | |
| 91 PRIntn PR_CALLBACK SECITEM_HashCompare ( const void *k1, const void *k2); | |
| 92 | |
| 93 | |
| 94 SEC_END_PROTOS | |
| 95 | |
| 96 #endif /* _SECITEM_H_ */ | |
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Chromium Code Reviews
Issue 14249009:
Change the NSS and NSPR source tree to the new directory structure to be (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/deps/third_party/nss/