Mercurial > trustbridge > nss-cmake-static
comparison nss/lib/util/secitem.h @ 0:1e5118fa0cb1
This is NSS with a Cmake Buildsyste
To compile a static NSS library for Windows we've used the
Chromium-NSS fork and added a Cmake buildsystem to compile
it statically for Windows. See README.chromium for chromium
changes and README.trustbridge for our modifications.
| author | Andre Heinecke <andre.heinecke@intevation.de> |
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| date | Mon, 28 Jul 2014 10:47:06 +0200 |
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| -1:000000000000 | 0:1e5118fa0cb1 |
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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 | |
| 15 #include "plarena.h" | |
| 16 #include "plhash.h" | |
| 17 #include "seccomon.h" | |
| 18 | |
| 19 SEC_BEGIN_PROTOS | |
| 20 | |
| 21 /* | |
| 22 ** Allocate an item. If "arena" is not NULL, then allocate from there, | |
| 23 ** otherwise allocate from the heap. If "item" is not NULL, allocate | |
| 24 ** only the data buffer for the item, not the item itself. If "len" is | |
| 25 ** 0, do not allocate the data buffer for the item; simply set the data | |
| 26 ** field to NULL and the len field to 0. The item structure is allocated | |
| 27 ** zero-filled; the data buffer is not zeroed. The caller is responsible | |
| 28 ** for initializing the type field of the item. | |
| 29 ** | |
| 30 ** The resulting item is returned; NULL if any error occurs. | |
| 31 ** | |
| 32 ** XXX This probably should take a SECItemType, but since that is mostly | |
| 33 ** unused and our improved APIs (aka Stan) are looming, I left it out. | |
| 34 */ | |
| 35 extern SECItem *SECITEM_AllocItem(PLArenaPool *arena, SECItem *item, | |
| 36 unsigned int len); | |
| 37 | |
| 38 /* | |
| 39 ** This is a legacy function containing bugs. It doesn't update item->len, | |
| 40 ** and it has other issues as described in bug 298649 and bug 298938. | |
| 41 ** However, the function is kept unchanged for consumers that might depend | |
| 42 ** on the broken behaviour. New code should call SECITEM_ReallocItemV2. | |
| 43 ** | |
| 44 ** Reallocate the data for the specified "item". If "arena" is not NULL, | |
| 45 ** then reallocate from there, otherwise reallocate from the heap. | |
| 46 ** In the case where oldlen is 0, the data is allocated (not reallocated). | |
| 47 ** In any case, "item" is expected to be a valid SECItem pointer; | |
| 48 ** SECFailure is returned if it is not. If the allocation succeeds, | |
| 49 ** SECSuccess is returned. | |
| 50 */ | |
| 51 extern SECStatus SECITEM_ReallocItem( /* deprecated function */ | |
| 52 PLArenaPool *arena, SECItem *item, | |
| 53 unsigned int oldlen, unsigned int newlen); | |
| 54 | |
| 55 /* | |
| 56 ** Reallocate the data for the specified "item". If "arena" is not NULL, | |
| 57 ** then reallocate from there, otherwise reallocate from the heap. | |
| 58 ** If item->data is NULL, the data is allocated (not reallocated). | |
| 59 ** In any case, "item" is expected to be a valid SECItem pointer; | |
| 60 ** SECFailure is returned if it is not, and the item will remain unchanged. | |
| 61 ** If the allocation succeeds, the item is updated and SECSuccess is returned. | |
| 62 */ | |
| 63 extern SECStatus SECITEM_ReallocItemV2(PLArenaPool *arena, SECItem *item, | |
| 64 unsigned int newlen); | |
| 65 | |
| 66 /* | |
| 67 ** Compare two items returning the difference between them. | |
| 68 */ | |
| 69 extern SECComparison SECITEM_CompareItem(const SECItem *a, const SECItem *b); | |
| 70 | |
| 71 /* | |
| 72 ** Compare two items -- if they are the same, return true; otherwise false. | |
| 73 */ | |
| 74 extern PRBool SECITEM_ItemsAreEqual(const SECItem *a, const SECItem *b); | |
| 75 | |
| 76 /* | |
| 77 ** Copy "from" to "to" | |
| 78 */ | |
| 79 extern SECStatus SECITEM_CopyItem(PLArenaPool *arena, SECItem *to, | |
| 80 const SECItem *from); | |
| 81 | |
| 82 /* | |
| 83 ** Allocate an item and copy "from" into it. | |
| 84 */ | |
| 85 extern SECItem *SECITEM_DupItem(const SECItem *from); | |
| 86 | |
| 87 /* | |
| 88 ** Allocate an item and copy "from" into it. The item itself and the | |
| 89 ** data it points to are both allocated from the arena. If arena is | |
| 90 ** NULL, this function is equivalent to SECITEM_DupItem. | |
| 91 */ | |
| 92 extern SECItem *SECITEM_ArenaDupItem(PLArenaPool *arena, const SECItem *from); | |
| 93 | |
| 94 /* | |
| 95 ** Free "zap". If freeit is PR_TRUE then "zap" itself is freed. | |
| 96 */ | |
| 97 extern void SECITEM_FreeItem(SECItem *zap, PRBool freeit); | |
| 98 | |
| 99 /* | |
| 100 ** Zero and then free "zap". If freeit is PR_TRUE then "zap" itself is freed. | |
| 101 */ | |
| 102 extern void SECITEM_ZfreeItem(SECItem *zap, PRBool freeit); | |
| 103 | |
| 104 PLHashNumber PR_CALLBACK SECITEM_Hash ( const void *key); | |
| 105 | |
| 106 PRIntn PR_CALLBACK SECITEM_HashCompare ( const void *k1, const void *k2); | |
| 107 | |
| 108 extern SECItemArray *SECITEM_AllocArray(PLArenaPool *arena, | |
| 109 SECItemArray *array, | |
| 110 unsigned int len); | |
| 111 extern SECItemArray *SECITEM_DupArray(PLArenaPool *arena, | |
| 112 const SECItemArray *from); | |
| 113 extern void SECITEM_FreeArray(SECItemArray *array, PRBool freeit); | |
| 114 extern void SECITEM_ZfreeArray(SECItemArray *array, PRBool freeit); | |
| 115 | |
| 116 SEC_END_PROTOS | |
| 117 | |
| 118 #endif /* _SECITEM_H_ */ |