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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 #ifdef DEBUG | |
| 6 static const char CVS_ID[] = "@(#) $RCSfile: item.c,v $ $Revision: 1.5 $ $Date:
2012/04/25 14:49:26 $"; | |
| 7 #endif /* DEBUG */ | |
| 8 | |
| 9 /* | |
| 10 * item.c | |
| 11 * | |
| 12 * This contains some item-manipulation code. | |
| 13 */ | |
| 14 | |
| 15 #ifndef BASE_H | |
| 16 #include "base.h" | |
| 17 #endif /* BASE_H */ | |
| 18 | |
| 19 /* | |
| 20 * nssItem_Create | |
| 21 * | |
| 22 * -- fgmr comments -- | |
| 23 * | |
| 24 * The error may be one of the following values: | |
| 25 * NSS_ERROR_INVALID_ARENA | |
| 26 * NSS_ERROR_NO_MEMORY | |
| 27 * NSS_ERROR_ARENA_MARKED_BY_ANOTHER_THREAD | |
| 28 * NSS_ERROR_INVALID_POINTER | |
| 29 * | |
| 30 * Return value: | |
| 31 * A pointer to an NSSItem upon success | |
| 32 * NULL upon failure | |
| 33 */ | |
| 34 | |
| 35 NSS_IMPLEMENT NSSItem * | |
| 36 nssItem_Create | |
| 37 ( | |
| 38 NSSArena *arenaOpt, | |
| 39 NSSItem *rvOpt, | |
| 40 PRUint32 length, | |
| 41 const void *data | |
| 42 ) | |
| 43 { | |
| 44 NSSItem *rv = (NSSItem *)NULL; | |
| 45 | |
| 46 #ifdef DEBUG | |
| 47 if( (NSSArena *)NULL != arenaOpt ) { | |
| 48 if( PR_SUCCESS != nssArena_verifyPointer(arenaOpt) ) { | |
| 49 return (NSSItem *)NULL; | |
| 50 } | |
| 51 } | |
| 52 | |
| 53 if( (const void *)NULL == data ) { | |
| 54 if( length > 0 ) { | |
| 55 nss_SetError(NSS_ERROR_INVALID_POINTER); | |
| 56 return (NSSItem *)NULL; | |
| 57 } | |
| 58 } | |
| 59 #endif /* DEBUG */ | |
| 60 | |
| 61 if( (NSSItem *)NULL == rvOpt ) { | |
| 62 rv = (NSSItem *)nss_ZNEW(arenaOpt, NSSItem); | |
| 63 if( (NSSItem *)NULL == rv ) { | |
| 64 goto loser; | |
| 65 } | |
| 66 } else { | |
| 67 rv = rvOpt; | |
| 68 } | |
| 69 | |
| 70 rv->size = length; | |
| 71 rv->data = nss_ZAlloc(arenaOpt, length); | |
| 72 if( (void *)NULL == rv->data ) { | |
| 73 goto loser; | |
| 74 } | |
| 75 | |
| 76 if( length > 0 ) { | |
| 77 (void)nsslibc_memcpy(rv->data, data, length); | |
| 78 } | |
| 79 | |
| 80 return rv; | |
| 81 | |
| 82 loser: | |
| 83 if( rv != rvOpt ) { | |
| 84 nss_ZFreeIf(rv); | |
| 85 } | |
| 86 | |
| 87 return (NSSItem *)NULL; | |
| 88 } | |
| 89 | |
| 90 NSS_IMPLEMENT void | |
| 91 nssItem_Destroy | |
| 92 ( | |
| 93 NSSItem *item | |
| 94 ) | |
| 95 { | |
| 96 nss_ClearErrorStack(); | |
| 97 | |
| 98 nss_ZFreeIf(item->data); | |
| 99 nss_ZFreeIf(item); | |
| 100 | |
| 101 } | |
| 102 | |
| 103 /* | |
| 104 * nssItem_Duplicate | |
| 105 * | |
| 106 * -- fgmr comments -- | |
| 107 * | |
| 108 * The error may be one of the following values: | |
| 109 * NSS_ERROR_INVALID_ARENA | |
| 110 * NSS_ERROR_NO_MEMORY | |
| 111 * NSS_ERROR_ARENA_MARKED_BY_ANOTHER_THREAD | |
| 112 * NSS_ERROR_INVALID_ITEM | |
| 113 * | |
| 114 * Return value: | |
| 115 * A pointer to an NSSItem upon success | |
| 116 * NULL upon failure | |
| 117 */ | |
| 118 | |
| 119 NSS_IMPLEMENT NSSItem * | |
| 120 nssItem_Duplicate | |
| 121 ( | |
| 122 NSSItem *obj, | |
| 123 NSSArena *arenaOpt, | |
| 124 NSSItem *rvOpt | |
| 125 ) | |
| 126 { | |
| 127 #ifdef DEBUG | |
| 128 if( (NSSArena *)NULL != arenaOpt ) { | |
| 129 if( PR_SUCCESS != nssArena_verifyPointer(arenaOpt) ) { | |
| 130 return (NSSItem *)NULL; | |
| 131 } | |
| 132 } | |
| 133 | |
| 134 if( (NSSItem *)NULL == obj ) { | |
| 135 nss_SetError(NSS_ERROR_INVALID_ITEM); | |
| 136 return (NSSItem *)NULL; | |
| 137 } | |
| 138 #endif /* DEBUG */ | |
| 139 | |
| 140 return nssItem_Create(arenaOpt, rvOpt, obj->size, obj->data); | |
| 141 } | |
| 142 | |
| 143 #ifdef DEBUG | |
| 144 /* | |
| 145 * nssItem_verifyPointer | |
| 146 * | |
| 147 * -- fgmr comments -- | |
| 148 * | |
| 149 * The error may be one of the following values: | |
| 150 * NSS_ERROR_INVALID_ITEM | |
| 151 * | |
| 152 * Return value: | |
| 153 * PR_SUCCESS upon success | |
| 154 * PR_FAILURE upon failure | |
| 155 */ | |
| 156 | |
| 157 NSS_IMPLEMENT PRStatus | |
| 158 nssItem_verifyPointer | |
| 159 ( | |
| 160 const NSSItem *item | |
| 161 ) | |
| 162 { | |
| 163 if( ((const NSSItem *)NULL == item) || | |
| 164 (((void *)NULL == item->data) && (item->size > 0)) ) { | |
| 165 nss_SetError(NSS_ERROR_INVALID_ITEM); | |
| 166 return PR_FAILURE; | |
| 167 } | |
| 168 | |
| 169 return PR_SUCCESS; | |
| 170 } | |
| 171 #endif /* DEBUG */ | |
| 172 | |
| 173 /* | |
| 174 * nssItem_Equal | |
| 175 * | |
| 176 * -- fgmr comments -- | |
| 177 * | |
| 178 * The error may be one of the following values: | |
| 179 * NSS_ERROR_INVALID_ITEM | |
| 180 * | |
| 181 * Return value: | |
| 182 * PR_TRUE if the items are identical | |
| 183 * PR_FALSE if they aren't | |
| 184 * PR_FALSE upon error | |
| 185 */ | |
| 186 | |
| 187 NSS_IMPLEMENT PRBool | |
| 188 nssItem_Equal | |
| 189 ( | |
| 190 const NSSItem *one, | |
| 191 const NSSItem *two, | |
| 192 PRStatus *statusOpt | |
| 193 ) | |
| 194 { | |
| 195 if( (PRStatus *)NULL != statusOpt ) { | |
| 196 *statusOpt = PR_SUCCESS; | |
| 197 } | |
| 198 | |
| 199 if( ((const NSSItem *)NULL == one) && ((const NSSItem *)NULL == two) ) { | |
| 200 return PR_TRUE; | |
| 201 } | |
| 202 | |
| 203 if( ((const NSSItem *)NULL == one) || ((const NSSItem *)NULL == two) ) { | |
| 204 return PR_FALSE; | |
| 205 } | |
| 206 | |
| 207 if( one->size != two->size ) { | |
| 208 return PR_FALSE; | |
| 209 } | |
| 210 | |
| 211 return nsslibc_memequal(one->data, two->data, one->size, statusOpt); | |
| 212 } | |
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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/