Chromium Code Reviews| Index: nss/lib/util/secitem.c |
| =================================================================== |
| --- nss/lib/util/secitem.c (revision 195639) |
| +++ nss/lib/util/secitem.c (working copy) |
| @@ -5,13 +5,14 @@ |
| /* |
| * Support routines for SECItem data structure. |
| * |
| - * $Id: secitem.c,v 1.18 2012/04/25 14:50:16 gerv%gerv.net Exp $ |
| + * $Id$ |
| */ |
| #include "seccomon.h" |
| #include "secitem.h" |
| #include "base64.h" |
| #include "secerr.h" |
| +#include "secport.h" |
| SECItem * |
| SECITEM_AllocItem(PRArenaPool *arena, SECItem *item, unsigned int len) |
| @@ -294,3 +295,125 @@ |
| return SECITEM_ItemsAreEqual(i1,i2); |
| } |
| + |
| +SECItemArray * |
| +SECITEM_AllocArray(PLArenaPool *arena, SECItemArray *array, unsigned int len) |
| +{ |
| + SECItemArray *result = NULL; |
| + void *mark = NULL; |
| + |
| + if (arena != NULL) { |
| + mark = PORT_ArenaMark(arena); |
| + } |
| + |
| + if (array == NULL) { |
| + if (arena != NULL) { |
| + result = PORT_ArenaZAlloc(arena, sizeof(SECItemArray)); |
| + } else { |
| + result = PORT_ZAlloc(sizeof(SECItemArray)); |
| + } |
| + if (result == NULL) { |
| + goto loser; |
| + } |
| + } else { |
| + PORT_Assert(array->items == NULL); |
| + result = array; |
| + } |
| + |
| + result->len = len; |
| + if (len) { |
| + if (arena != NULL) { |
| + result->items = PORT_ArenaZNewArray(arena, SECItem, len); |
| + } else { |
| + result->items = PORT_ZNewArray(SECItem, len); |
| + } |
| + if (result->items == NULL) { |
| + goto loser; |
| + } |
| + } else { |
| + result->items = NULL; |
| + } |
| + |
| + if (mark) { |
| + PORT_ArenaUnmark(arena, mark); |
| + } |
| + return(result); |
| + |
| +loser: |
| + if ( arena != NULL ) { |
| + if (mark) { |
| + PORT_ArenaRelease(arena, mark); |
| + } |
| + if (array != NULL) { |
| + array->items = NULL; |
| + array->len = 0; |
| + } |
| + } else { |
| + if (result != NULL && array == NULL) { |
| + PORT_Free(result); |
| + } |
| + /* |
| + * If array is not NULL, the above has set array->data and |
|
wtc
2013/04/24 22:49:45
This comment needs to be updated to say array->ite
|
| + * array->len to 0. |
| + */ |
| + } |
| + return(NULL); |
| +} |
| + |
| +void secitem_FreeArray(SECItemArray *array, PRBool zero_items, PRBool freeit) |
|
wtc
2013/04/24 22:49:45
Mark this static.
|
| +{ |
| + unsigned int i; |
| + |
| + if (!array || !array->len || !array->items) |
| + return; |
| + |
| + for (i=0; i<array->len; ++i) { |
|
wtc
2013/04/24 22:49:45
Add spaces around operators.
|
| + SECItem *item = &array->items[i]; |
| + |
| + if (item->data) { |
| + if (zero_items) { |
| + SECITEM_ZfreeItem(item, PR_FALSE); |
| + } else { |
| + SECITEM_FreeItem(item, PR_FALSE); |
| + } |
| + } |
| + } |
| + |
|
wtc
2013/04/24 22:49:45
BUG: array->items also needs to be freed.
|
| + if (freeit) |
| + PORT_Free(array); |
| +} |
| + |
| +void SECITEM_FreeArray(SECItemArray *array, PRBool freeit) |
| +{ |
| + secitem_FreeArray(array, PR_FALSE, freeit); |
| +} |
| + |
| +void SECITEM_ZfreeArray(SECItemArray *array, PRBool freeit) |
| +{ |
| + secitem_FreeArray(array, PR_TRUE, freeit); |
| +} |
| + |
| +SECItemArray * |
| +SECITEM_DupArray(PLArenaPool *arena, const SECItemArray *from) |
| +{ |
| + SECItemArray *result; |
| + unsigned int i; |
| + |
| + if (!from || !from->items || !from->len) |
|
wtc
2013/04/24 22:49:45
I think it is legal for from->items to be NULL.
|
| + return NULL; |
| + |
| + result = SECITEM_AllocArray(arena, NULL, from->len); |
| + if (!result) |
| + return NULL; |
| + |
| + for (i=0; i<from->len; ++i) { |
|
wtc
2013/04/24 22:49:45
Add spaces around operators.
|
| + SECStatus rv = SECITEM_CopyItem(arena, |
| + &result->items[i], &from->items[i]); |
| + if (rv != SECSuccess) { |
| + SECITEM_ZfreeArray(result, PR_TRUE); |
| + return NULL; |
| + } |
| + } |
| + |
| + return result; |
| +} |