| File: | tbudb/./../budb/db_text.c |
| Location: | line 318, column 3 |
| Description: | Assigned value is always the same as the existing value |
| 1 | /* | ||||
| 2 | * Copyright 2000, International Business Machines Corporation and others. | ||||
| 3 | * All Rights Reserved. | ||||
| 4 | * | ||||
| 5 | * This software has been released under the terms of the IBM Public | ||||
| 6 | * License. For details, see the LICENSE file in the top-level source | ||||
| 7 | * directory or online at http://www.openafs.org/dl/license10.html | ||||
| 8 | */ | ||||
| 9 | |||||
| 10 | #include <afsconfig.h> | ||||
| 11 | #include <afs/param.h> | ||||
| 12 | |||||
| 13 | #include <roken.h> | ||||
| 14 | |||||
| 15 | #include <ubik.h> | ||||
| 16 | #include <afs/bubasics.h> | ||||
| 17 | #include <afs/audit.h> | ||||
| 18 | #include <afs/afsutil.h> | ||||
| 19 | |||||
| 20 | #include "budb_errs.h" | ||||
| 21 | #include "database.h" | ||||
| 22 | #include "error_macros.h" | ||||
| 23 | #include "budb_internal.h" | ||||
| 24 | |||||
| 25 | /* -------------------------------- | ||||
| 26 | * interface & support code to manage text blocks within the | ||||
| 27 | * database | ||||
| 28 | * -------------------------------- | ||||
| 29 | */ | ||||
| 30 | |||||
| 31 | /* BUDB_GetText | ||||
| 32 | * notes: | ||||
| 33 | * routine mallocs storage for charListPtr, freed by stub | ||||
| 34 | */ | ||||
| 35 | |||||
| 36 | afs_int32 GetText(struct rx_call *, afs_uint32, afs_int32, afs_int32, | ||||
| 37 | afs_int32, afs_int32 *, charListT *); | ||||
| 38 | afs_int32 GetTextVersion(struct rx_call *, afs_int32, afs_uint32 *); | ||||
| 39 | afs_int32 SaveText(struct rx_call *, afs_uint32, afs_int32, afs_int32, | ||||
| 40 | afs_int32, charListT *); | ||||
| 41 | |||||
| 42 | afs_int32 | ||||
| 43 | SBUDB_GetText(struct rx_call *call, afs_uint32 lockHandle, afs_int32 textType, | ||||
| 44 | afs_int32 maxLength, afs_int32 offset, afs_int32 *nextOffset, | ||||
| 45 | charListT *charListPtr) | ||||
| 46 | { | ||||
| 47 | afs_int32 code; | ||||
| 48 | |||||
| 49 | code = | ||||
| 50 | GetText(call, lockHandle, textType, maxLength, offset, nextOffset, | ||||
| 51 | charListPtr); | ||||
| 52 | osi_auditU(call, BUDB_GetTxtEvent"AFS_BUDB_GetTxt", code, AUD_LONG5, textType, AUD_END0); | ||||
| 53 | return code; | ||||
| 54 | } | ||||
| 55 | |||||
| 56 | afs_int32 | ||||
| 57 | GetText(struct rx_call *call, afs_uint32 lockHandle, afs_int32 textType, | ||||
| 58 | afs_int32 maxLength, afs_int32 offset, afs_int32 *nextOffset, | ||||
| 59 | charListT *charListPtr) | ||||
| 60 | { | ||||
| 61 | struct ubik_trans *ut = 0; | ||||
| 62 | struct block block; | ||||
| 63 | afs_int32 transferSize, chunkSize; | ||||
| 64 | afs_int32 blockOffset; | ||||
| 65 | dbadr lastBlockAddr; | ||||
| 66 | afs_int32 nblocks; | ||||
| 67 | struct textBlock *tbPtr; | ||||
| 68 | afs_int32 textRemaining; | ||||
| 69 | char *textPtr; | ||||
| 70 | afs_int32 code; | ||||
| 71 | |||||
| 72 | LogDebug(5, "GetText: type %d, offset %d, nextOffset %"AFS_PTR_FMT"p" | ||||
| 73 | ", maxLength %d\n", textType, offset, nextOffset, maxLength); | ||||
| 74 | |||||
| 75 | if (callPermitted(call) == 0) { | ||||
| 76 | code = BUDB_NOTPERMITTED(156303880L); | ||||
| 77 | goto no_xfer_abort; | ||||
| 78 | } | ||||
| 79 | |||||
| 80 | /* check parameters */ | ||||
| 81 | if ((offset < 0) | ||||
| 82 | || (textType < 0) | ||||
| 83 | || (textType >= TB_NUM3) | ||||
| 84 | ) { | ||||
| 85 | code = BUDB_BADARGUMENT(156303882L); | ||||
| 86 | goto no_xfer_abort; | ||||
| 87 | } | ||||
| 88 | |||||
| 89 | /* start the transaction */ | ||||
| 90 | code = InitRPC(&ut, LOCKWRITE2, 1); | ||||
| 91 | if (code) | ||||
| 92 | goto no_xfer_abort; | ||||
| 93 | |||||
| 94 | /* fetch the lock state */ | ||||
| 95 | if (checkLockHandle(ut, lockHandle) == 0) { | ||||
| 96 | code = BUDB_NOTLOCKED(156303888L); | ||||
| 97 | goto no_xfer_abort; | ||||
| 98 | } | ||||
| 99 | |||||
| 100 | tbPtr = &db.h.textBlock[textType]; | ||||
| 101 | |||||
| 102 | if ((ntohl(tbPtr->size)(__builtin_constant_p(tbPtr->size) ? ((((__uint32_t)(tbPtr ->size)) >> 24) | ((((__uint32_t)(tbPtr->size)) & (0xff << 16)) >> 8) | ((((__uint32_t)(tbPtr-> size)) & (0xff << 8)) << 8) | (((__uint32_t)( tbPtr->size)) << 24)) : __bswap32_var(tbPtr->size )) > 0) | ||||
| 103 | && (offset >= ntohl(tbPtr->size)(__builtin_constant_p(tbPtr->size) ? ((((__uint32_t)(tbPtr ->size)) >> 24) | ((((__uint32_t)(tbPtr->size)) & (0xff << 16)) >> 8) | ((((__uint32_t)(tbPtr-> size)) & (0xff << 8)) << 8) | (((__uint32_t)( tbPtr->size)) << 24)) : __bswap32_var(tbPtr->size ))) | ||||
| 104 | ) { | ||||
| 105 | code = BUDB_BADARGUMENT(156303882L); | ||||
| 106 | goto no_xfer_abort; | ||||
| 107 | } | ||||
| 108 | |||||
| 109 | LogDebug(5, "GetText: store size is %d\n", ntohl(tbPtr->size)(__builtin_constant_p(tbPtr->size) ? ((((__uint32_t)(tbPtr ->size)) >> 24) | ((((__uint32_t)(tbPtr->size)) & (0xff << 16)) >> 8) | ((((__uint32_t)(tbPtr-> size)) & (0xff << 8)) << 8) | (((__uint32_t)( tbPtr->size)) << 24)) : __bswap32_var(tbPtr->size ))); | ||||
| 110 | |||||
| 111 | /* compute minimum of remaining text or user buffer */ | ||||
| 112 | textRemaining = ntohl(tbPtr->size)(__builtin_constant_p(tbPtr->size) ? ((((__uint32_t)(tbPtr ->size)) >> 24) | ((((__uint32_t)(tbPtr->size)) & (0xff << 16)) >> 8) | ((((__uint32_t)(tbPtr-> size)) & (0xff << 8)) << 8) | (((__uint32_t)( tbPtr->size)) << 24)) : __bswap32_var(tbPtr->size )) - offset; | ||||
| 113 | transferSize = MIN(textRemaining, maxLength)(((textRemaining)<(maxLength))?(textRemaining):(maxLength) ); | ||||
| 114 | |||||
| 115 | /* allocate the transfer storage */ | ||||
| 116 | if (transferSize <= 0) { | ||||
| 117 | charListPtr->charListT_len = 0L; | ||||
| 118 | charListPtr->charListT_val = NULL((void *)0); | ||||
| 119 | } else { | ||||
| 120 | charListPtr->charListT_len = transferSize; | ||||
| 121 | charListPtr->charListT_val = (char *)malloc(transferSize); | ||||
| 122 | if (charListPtr->charListT_val == 0) | ||||
| 123 | ABORT(BUDB_NOMEM)do { code = (156303901L); goto abort_exit; } while (0); | ||||
| 124 | } | ||||
| 125 | |||||
| 126 | textPtr = charListPtr->charListT_val; | ||||
| 127 | *nextOffset = offset + transferSize; | ||||
| 128 | |||||
| 129 | /* setup the datablock. read and discard all blocks up to the one the | ||||
| 130 | * offset specifies | ||||
| 131 | */ | ||||
| 132 | nblocks = offset / BLOCK_DATA_SIZE(2048 -sizeof(struct blockHeader)); | ||||
| 133 | lastBlockAddr = ntohl(tbPtr->textAddr)(__builtin_constant_p(tbPtr->textAddr) ? ((((__uint32_t)(tbPtr ->textAddr)) >> 24) | ((((__uint32_t)(tbPtr->textAddr )) & (0xff << 16)) >> 8) | ((((__uint32_t)(tbPtr ->textAddr)) & (0xff << 8)) << 8) | (((__uint32_t )(tbPtr->textAddr)) << 24)) : __bswap32_var(tbPtr-> textAddr)); | ||||
| 134 | |||||
| 135 | while (nblocks--) { | ||||
| 136 | code = dbread(ut, lastBlockAddr, (char *)&block, sizeof(block)); | ||||
| 137 | if (code) | ||||
| 138 | ABORT(BUDB_IO)do { code = (156303892L); goto abort_exit; } while (0); | ||||
| 139 | lastBlockAddr = ntohl(block.h.next)(__builtin_constant_p(block.h.next) ? ((((__uint32_t)(block.h .next)) >> 24) | ((((__uint32_t)(block.h.next)) & ( 0xff << 16)) >> 8) | ((((__uint32_t)(block.h.next )) & (0xff << 8)) << 8) | (((__uint32_t)(block .h.next)) << 24)) : __bswap32_var(block.h.next)); | ||||
| 140 | } | ||||
| 141 | |||||
| 142 | while (transferSize > 0) { | ||||
| 143 | code = dbread(ut, lastBlockAddr, (char *)&block, sizeof(block)); | ||||
| 144 | if (code) | ||||
| 145 | ABORT(BUDB_IO)do { code = (156303892L); goto abort_exit; } while (0); | ||||
| 146 | |||||
| 147 | LogDebug(5, "fetched block %d\n", lastBlockAddr); | ||||
| 148 | |||||
| 149 | /* compute the data size to extract */ | ||||
| 150 | blockOffset = offset % BLOCK_DATA_SIZE(2048 -sizeof(struct blockHeader)); | ||||
| 151 | textRemaining = BLOCK_DATA_SIZE(2048 -sizeof(struct blockHeader)) - blockOffset; | ||||
| 152 | chunkSize = min(textRemaining, transferSize)(((textRemaining) < (transferSize)) ? (textRemaining) : (transferSize )); | ||||
| 153 | |||||
| 154 | memcpy(textPtr, &block.a[blockOffset], chunkSize); | ||||
| 155 | |||||
| 156 | /* LogDebug(5, "transfering %d bytes: %s\n", chunkSize, textPtr); */ | ||||
| 157 | |||||
| 158 | transferSize -= chunkSize; | ||||
| 159 | offset += chunkSize; | ||||
| 160 | textPtr += chunkSize; | ||||
| 161 | |||||
| 162 | if (transferSize) { | ||||
| 163 | /* setup lastBlockAddr */ | ||||
| 164 | lastBlockAddr = ntohl(block.h.next)(__builtin_constant_p(block.h.next) ? ((((__uint32_t)(block.h .next)) >> 24) | ((((__uint32_t)(block.h.next)) & ( 0xff << 16)) >> 8) | ((((__uint32_t)(block.h.next )) & (0xff << 8)) << 8) | (((__uint32_t)(block .h.next)) << 24)) : __bswap32_var(block.h.next)); | ||||
| 165 | } | ||||
| 166 | } | ||||
| 167 | |||||
| 168 | if (*nextOffset == ntohl(tbPtr->size)(__builtin_constant_p(tbPtr->size) ? ((((__uint32_t)(tbPtr ->size)) >> 24) | ((((__uint32_t)(tbPtr->size)) & (0xff << 16)) >> 8) | ((((__uint32_t)(tbPtr-> size)) & (0xff << 8)) << 8) | (((__uint32_t)( tbPtr->size)) << 24)) : __bswap32_var(tbPtr->size ))) { | ||||
| 169 | /* all done */ | ||||
| 170 | *nextOffset = -1; | ||||
| 171 | } | ||||
| 172 | |||||
| 173 | /* error_exit: */ | ||||
| 174 | code = ubik_EndTrans(ut); | ||||
| 175 | /* printf("in error exit, code=%ld\n", code); */ | ||||
| 176 | return (code); | ||||
| 177 | |||||
| 178 | no_xfer_abort: | ||||
| 179 | charListPtr->charListT_len = 0; | ||||
| 180 | charListPtr->charListT_val = (char *)malloc(0); | ||||
| 181 | |||||
| 182 | abort_exit: | ||||
| 183 | if (ut) | ||||
| 184 | ubik_AbortTrans(ut); | ||||
| 185 | /* printf("in abort exit, code=%ld\n", code); */ | ||||
| 186 | return (code); | ||||
| 187 | } | ||||
| 188 | |||||
| 189 | int | ||||
| 190 | freeOldBlockChain(struct ubik_trans *ut, dbadr diskAddr) | ||||
| 191 | { | ||||
| 192 | struct blockHeader blockHeader; | ||||
| 193 | dbadr nextDiskAddr; | ||||
| 194 | afs_int32 code = 0; | ||||
| 195 | |||||
| 196 | while (diskAddr != 0) { | ||||
| 197 | /* read in the header */ | ||||
| 198 | code = | ||||
| 199 | dbread(ut, diskAddr, (char *)&blockHeader, sizeof(blockHeader)); | ||||
| 200 | if (code) | ||||
| 201 | ABORT(code)do { code = code; goto abort_exit; } while (0); | ||||
| 202 | nextDiskAddr = ntohl(blockHeader.next)(__builtin_constant_p(blockHeader.next) ? ((((__uint32_t)(blockHeader .next)) >> 24) | ((((__uint32_t)(blockHeader.next)) & (0xff << 16)) >> 8) | ((((__uint32_t)(blockHeader .next)) & (0xff << 8)) << 8) | (((__uint32_t) (blockHeader.next)) << 24)) : __bswap32_var(blockHeader .next)); | ||||
| 203 | code = FreeBlock(ut, &blockHeader, diskAddr); | ||||
| 204 | if (code) | ||||
| 205 | ABORT(code)do { code = code; goto abort_exit; } while (0); | ||||
| 206 | diskAddr = nextDiskAddr; | ||||
| 207 | } | ||||
| 208 | abort_exit: | ||||
| 209 | return (code); | ||||
| 210 | } | ||||
| 211 | |||||
| 212 | /* BUDB_GetTextVersion | ||||
| 213 | * get the version number for the specified text block | ||||
| 214 | */ | ||||
| 215 | |||||
| 216 | afs_int32 | ||||
| 217 | SBUDB_GetTextVersion(struct rx_call *call, afs_int32 textType, | ||||
| 218 | afs_uint32 *tversion) | ||||
| 219 | { | ||||
| 220 | afs_int32 code; | ||||
| 221 | |||||
| 222 | code = GetTextVersion(call, textType, tversion); | ||||
| 223 | osi_auditU(call, BUDB_GetTxVEvent"AFS_BUDB_GetTxV", code, AUD_LONG5, textType, AUD_END0); | ||||
| 224 | return code; | ||||
| 225 | } | ||||
| 226 | |||||
| 227 | afs_int32 | ||||
| 228 | GetTextVersion(struct rx_call *call, afs_int32 textType, | ||||
| 229 | afs_uint32 *tversion) | ||||
| 230 | { | ||||
| 231 | afs_int32 code; | ||||
| 232 | struct ubik_trans *ut; | ||||
| 233 | |||||
| 234 | if (callPermitted(call) == 0) | ||||
| 235 | return (BUDB_NOTPERMITTED(156303880L)); | ||||
| 236 | |||||
| 237 | if ((textType < 0) || (textType >= TB_NUM3)) | ||||
| 238 | return (BUDB_BADARGUMENT(156303882L)); | ||||
| 239 | |||||
| 240 | code = InitRPC(&ut, LOCKREAD1, 1); | ||||
| 241 | if (code) | ||||
| 242 | return (code); | ||||
| 243 | |||||
| 244 | *tversion = ntohl(db.h.textBlock[textType].version)(__builtin_constant_p(db.h.textBlock[textType].version) ? ((( (__uint32_t)(db.h.textBlock[textType].version)) >> 24) | ((((__uint32_t)(db.h.textBlock[textType].version)) & (0xff << 16)) >> 8) | ((((__uint32_t)(db.h.textBlock[textType ].version)) & (0xff << 8)) << 8) | (((__uint32_t )(db.h.textBlock[textType].version)) << 24)) : __bswap32_var (db.h.textBlock[textType].version)); | ||||
| 245 | code = ubik_EndTrans(ut); | ||||
| 246 | return (code); | ||||
| 247 | } | ||||
| 248 | |||||
| 249 | /* text blocks | ||||
| 250 | * next - next disk addr | ||||
| 251 | * host/network ordering???? | ||||
| 252 | */ | ||||
| 253 | |||||
| 254 | /* BUDB_SaveText | ||||
| 255 | * notes: | ||||
| 256 | * charListPtr storage automatically malloced and freed | ||||
| 257 | */ | ||||
| 258 | |||||
| 259 | afs_int32 | ||||
| 260 | SBUDB_SaveText(struct rx_call *call, afs_uint32 lockHandle, | ||||
| 261 | afs_int32 textType, afs_int32 offset, afs_int32 flags, | ||||
| 262 | charListT *charListPtr) | ||||
| 263 | { | ||||
| 264 | afs_int32 code; | ||||
| 265 | |||||
| 266 | code = SaveText(call, lockHandle, textType, offset, flags, charListPtr); | ||||
| 267 | osi_auditU(call, BUDB_SavTxtEvent"AFS_BUDB_SavTxt", code, AUD_LONG5, textType, AUD_END0); | ||||
| 268 | return code; | ||||
| 269 | } | ||||
| 270 | |||||
| 271 | afs_int32 | ||||
| 272 | SaveText(struct rx_call *call, afs_uint32 lockHandle, afs_int32 textType, | ||||
| 273 | afs_int32 offset, afs_int32 flags, charListT *charListPtr) | ||||
| 274 | { | ||||
| 275 | struct ubik_trans *ut; | ||||
| 276 | struct block diskBlock; | ||||
| 277 | dbadr diskBlockAddr; | ||||
| 278 | afs_int32 remainingInBlock, chunkSize; | ||||
| 279 | struct textBlock *tbPtr; | ||||
| 280 | afs_int32 textLength = charListPtr->charListT_len; | ||||
| 281 | char *textptr = charListPtr->charListT_val; | ||||
| 282 | afs_int32 code; | ||||
| 283 | |||||
| 284 | LogDebug(5, "SaveText: type %d, offset %d, length %d\n", textType, offset, | ||||
| 285 | textLength); | ||||
| 286 | |||||
| 287 | if (callPermitted(call) == 0) | ||||
| |||||
| 288 | return (BUDB_NOTPERMITTED(156303880L)); | ||||
| 289 | |||||
| 290 | if ((textLength > BLOCK_DATA_SIZE(2048 -sizeof(struct blockHeader))) || (offset < 0)) | ||||
| |||||
| 291 | return (BUDB_BADARGUMENT(156303882L)); | ||||
| 292 | |||||
| 293 | code = InitRPC(&ut, LOCKWRITE2, 1); | ||||
| 294 | if (code) | ||||
| |||||
| 295 | return (code); | ||||
| 296 | |||||
| 297 | /* fetch the lock state */ | ||||
| 298 | if (checkLockHandle(ut, lockHandle) == 0) | ||||
| |||||
| 299 | ABORT(BUDB_NOTLOCKED)do { code = (156303888L); goto abort_exit; } while (0); | ||||
| 300 | |||||
| 301 | if ((textType < 0) || (textType >= TB_NUM3)) | ||||
| |||||
| 302 | ABORT(BUDB_BADARGUMENT)do { code = (156303882L); goto abort_exit; } while (0); | ||||
| 303 | |||||
| 304 | tbPtr = &db.h.textBlock[textType]; | ||||
| 305 | |||||
| 306 | LogDebug(5, | ||||
| 307 | "SaveText: lockHandle %d textType %d offset %d flags %d txtlength %d\n", | ||||
| 308 | lockHandle, textType, offset, flags, textLength); | ||||
| 309 | |||||
| 310 | if (offset == 0) { | ||||
| |||||
| 311 | /* release any blocks from previous transactions */ | ||||
| 312 | diskBlockAddr = ntohl(tbPtr->newTextAddr)(__builtin_constant_p(tbPtr->newTextAddr) ? ((((__uint32_t )(tbPtr->newTextAddr)) >> 24) | ((((__uint32_t)(tbPtr ->newTextAddr)) & (0xff << 16)) >> 8) | (( ((__uint32_t)(tbPtr->newTextAddr)) & (0xff << 8) ) << 8) | (((__uint32_t)(tbPtr->newTextAddr)) << 24)) : __bswap32_var(tbPtr->newTextAddr)); | ||||
| 313 | freeOldBlockChain(ut, diskBlockAddr); | ||||
| 314 | |||||
| 315 | if (textLength) { | ||||
| |||||
| 316 | code = AllocBlock(ut, &diskBlock, &diskBlockAddr); | ||||
| 317 | if (code) | ||||
| |||||
| 318 | ABORT(code)do { code = code; goto abort_exit; } while (0); | ||||
| |||||
| 319 | |||||
| 320 | LogDebug(5, "allocated block %d\n", diskBlockAddr); | ||||
| 321 | |||||
| 322 | /* set block type */ | ||||
| 323 | diskBlock.h.type = text_BLOCK6; | ||||
| 324 | |||||
| 325 | /* save it in the database header */ | ||||
| 326 | tbPtr->newsize = 0; | ||||
| 327 | tbPtr->newTextAddr = htonl(diskBlockAddr)(__builtin_constant_p(diskBlockAddr) ? ((((__uint32_t)(diskBlockAddr )) >> 24) | ((((__uint32_t)(diskBlockAddr)) & (0xff << 16)) >> 8) | ((((__uint32_t)(diskBlockAddr)) & (0xff << 8)) << 8) | (((__uint32_t)(diskBlockAddr )) << 24)) : __bswap32_var(diskBlockAddr)); | ||||
| 328 | dbwrite(ut, (char *)tbPtr - (char *)&db.h, (char *)tbPtr, | ||||
| 329 | sizeof(struct textBlock)); | ||||
| 330 | } else { | ||||
| 331 | tbPtr->newsize = 0; | ||||
| 332 | tbPtr->newTextAddr = 0; | ||||
| 333 | } | ||||
| 334 | } else { | ||||
| 335 | /* non-zero offset */ | ||||
| 336 | int nblocks; | ||||
| 337 | |||||
| 338 | if (offset != ntohl(tbPtr->newsize)(__builtin_constant_p(tbPtr->newsize) ? ((((__uint32_t)(tbPtr ->newsize)) >> 24) | ((((__uint32_t)(tbPtr->newsize )) & (0xff << 16)) >> 8) | ((((__uint32_t)(tbPtr ->newsize)) & (0xff << 8)) << 8) | (((__uint32_t )(tbPtr->newsize)) << 24)) : __bswap32_var(tbPtr-> newsize))) | ||||
| 339 | ABORT(BUDB_BADARGUMENT)do { code = (156303882L); goto abort_exit; } while (0); | ||||
| 340 | |||||
| 341 | /* locate the block to which offset refers */ | ||||
| 342 | nblocks = offset / BLOCK_DATA_SIZE(2048 -sizeof(struct blockHeader)); | ||||
| 343 | |||||
| 344 | diskBlockAddr = ntohl(tbPtr->newTextAddr)(__builtin_constant_p(tbPtr->newTextAddr) ? ((((__uint32_t )(tbPtr->newTextAddr)) >> 24) | ((((__uint32_t)(tbPtr ->newTextAddr)) & (0xff << 16)) >> 8) | (( ((__uint32_t)(tbPtr->newTextAddr)) & (0xff << 8) ) << 8) | (((__uint32_t)(tbPtr->newTextAddr)) << 24)) : __bswap32_var(tbPtr->newTextAddr)); | ||||
| 345 | if (diskBlockAddr == 0) | ||||
| 346 | ABORT(BUDB_BADARGUMENT)do { code = (156303882L); goto abort_exit; } while (0); | ||||
| 347 | |||||
| 348 | code = | ||||
| 349 | dbread(ut, diskBlockAddr, (char *)&diskBlock, sizeof(diskBlock)); | ||||
| 350 | if (code) | ||||
| 351 | ABORT(code)do { code = code; goto abort_exit; } while (0); | ||||
| 352 | |||||
| 353 | while (nblocks--) { | ||||
| 354 | diskBlockAddr = ntohl(diskBlock.h.next)(__builtin_constant_p(diskBlock.h.next) ? ((((__uint32_t)(diskBlock .h.next)) >> 24) | ((((__uint32_t)(diskBlock.h.next)) & (0xff << 16)) >> 8) | ((((__uint32_t)(diskBlock. h.next)) & (0xff << 8)) << 8) | (((__uint32_t )(diskBlock.h.next)) << 24)) : __bswap32_var(diskBlock. h.next)); | ||||
| 355 | code = | ||||
| 356 | dbread(ut, diskBlockAddr, (char *)&diskBlock, | ||||
| 357 | sizeof(diskBlock)); | ||||
| 358 | if (code) | ||||
| 359 | ABORT(code)do { code = code; goto abort_exit; } while (0); | ||||
| 360 | } | ||||
| 361 | } | ||||
| 362 | |||||
| 363 | /* diskBlock and diskBlockAddr now point to the last block in the chain */ | ||||
| 364 | |||||
| 365 | while (textLength) { | ||||
| 366 | /* compute the transfer size */ | ||||
| 367 | remainingInBlock = (BLOCK_DATA_SIZE(2048 -sizeof(struct blockHeader)) - (offset % BLOCK_DATA_SIZE(2048 -sizeof(struct blockHeader)))); | ||||
| 368 | chunkSize = MIN(remainingInBlock, textLength)(((remainingInBlock)<(textLength))?(remainingInBlock):(textLength )); | ||||
| 369 | |||||
| 370 | /* copy in the data */ | ||||
| 371 | memcpy(&diskBlock.a[offset % BLOCK_DATA_SIZE(2048 -sizeof(struct blockHeader))], textptr, chunkSize); | ||||
| 372 | |||||
| 373 | /* LogDebug(5, "text is %s\n", textptr); */ | ||||
| 374 | |||||
| 375 | textLength -= chunkSize; | ||||
| 376 | textptr += chunkSize; | ||||
| 377 | offset += chunkSize; | ||||
| 378 | tbPtr->newsize = htonl(ntohl(tbPtr->newsize) + chunkSize)(__builtin_constant_p((__builtin_constant_p(tbPtr->newsize ) ? ((((__uint32_t)(tbPtr->newsize)) >> 24) | ((((__uint32_t )(tbPtr->newsize)) & (0xff << 16)) >> 8) | ((((__uint32_t)(tbPtr->newsize)) & (0xff << 8)) << 8) | (((__uint32_t)(tbPtr->newsize)) << 24 )) : __bswap32_var(tbPtr->newsize)) + chunkSize) ? ((((__uint32_t )((__builtin_constant_p(tbPtr->newsize) ? ((((__uint32_t)( tbPtr->newsize)) >> 24) | ((((__uint32_t)(tbPtr-> newsize)) & (0xff << 16)) >> 8) | ((((__uint32_t )(tbPtr->newsize)) & (0xff << 8)) << 8) | ( ((__uint32_t)(tbPtr->newsize)) << 24)) : __bswap32_var (tbPtr->newsize)) + chunkSize)) >> 24) | ((((__uint32_t )((__builtin_constant_p(tbPtr->newsize) ? ((((__uint32_t)( tbPtr->newsize)) >> 24) | ((((__uint32_t)(tbPtr-> newsize)) & (0xff << 16)) >> 8) | ((((__uint32_t )(tbPtr->newsize)) & (0xff << 8)) << 8) | ( ((__uint32_t)(tbPtr->newsize)) << 24)) : __bswap32_var (tbPtr->newsize)) + chunkSize)) & (0xff << 16)) >> 8) | ((((__uint32_t)((__builtin_constant_p(tbPtr->newsize ) ? ((((__uint32_t)(tbPtr->newsize)) >> 24) | ((((__uint32_t )(tbPtr->newsize)) & (0xff << 16)) >> 8) | ((((__uint32_t)(tbPtr->newsize)) & (0xff << 8)) << 8) | (((__uint32_t)(tbPtr->newsize)) << 24 )) : __bswap32_var(tbPtr->newsize)) + chunkSize)) & (0xff << 8)) << 8) | (((__uint32_t)((__builtin_constant_p (tbPtr->newsize) ? ((((__uint32_t)(tbPtr->newsize)) >> 24) | ((((__uint32_t)(tbPtr->newsize)) & (0xff << 16)) >> 8) | ((((__uint32_t)(tbPtr->newsize)) & (0xff << 8)) << 8) | (((__uint32_t)(tbPtr->newsize )) << 24)) : __bswap32_var(tbPtr->newsize)) + chunkSize )) << 24)) : __bswap32_var((__builtin_constant_p(tbPtr-> newsize) ? ((((__uint32_t)(tbPtr->newsize)) >> 24) | ((((__uint32_t)(tbPtr->newsize)) & (0xff << 16) ) >> 8) | ((((__uint32_t)(tbPtr->newsize)) & (0xff << 8)) << 8) | (((__uint32_t)(tbPtr->newsize) ) << 24)) : __bswap32_var(tbPtr->newsize)) + chunkSize )); | ||||
| 379 | |||||
| 380 | if (textLength > 0) { | ||||
| 381 | afs_int32 prevBlockAddr; | ||||
| 382 | afs_int32 linkOffset; | ||||
| 383 | afs_int32 linkValue; | ||||
| 384 | |||||
| 385 | /* have to add another block to the chain */ | ||||
| 386 | |||||
| 387 | code = | ||||
| 388 | dbwrite(ut, diskBlockAddr, (char *)&diskBlock, | ||||
| 389 | sizeof(diskBlock)); | ||||
| 390 | if (code) | ||||
| 391 | ABORT(code)do { code = code; goto abort_exit; } while (0); | ||||
| 392 | |||||
| 393 | prevBlockAddr = (afs_int32) diskBlockAddr; | ||||
| 394 | code = AllocBlock(ut, &diskBlock, &diskBlockAddr); | ||||
| 395 | if (code) | ||||
| 396 | ABORT(code)do { code = code; goto abort_exit; } while (0); | ||||
| 397 | |||||
| 398 | LogDebug(5, "allocated block %d\n", diskBlockAddr); | ||||
| 399 | |||||
| 400 | /* set block type */ | ||||
| 401 | diskBlock.h.type = text_BLOCK6; | ||||
| 402 | |||||
| 403 | /* now have to update the previous block's link */ | ||||
| 404 | linkOffset = | ||||
| 405 | (afs_int32) ((char*)& diskBlock.h.next - (char*)& diskBlock); | ||||
| 406 | linkValue = htonl(diskBlockAddr)(__builtin_constant_p(diskBlockAddr) ? ((((__uint32_t)(diskBlockAddr )) >> 24) | ((((__uint32_t)(diskBlockAddr)) & (0xff << 16)) >> 8) | ((((__uint32_t)(diskBlockAddr)) & (0xff << 8)) << 8) | (((__uint32_t)(diskBlockAddr )) << 24)) : __bswap32_var(diskBlockAddr)); | ||||
| 407 | |||||
| 408 | code = | ||||
| 409 | dbwrite(ut, (afs_int32) prevBlockAddr + linkOffset, | ||||
| 410 | (char *)&linkValue, sizeof(afs_int32)); | ||||
| 411 | if (code) | ||||
| 412 | ABORT(code)do { code = code; goto abort_exit; } while (0); | ||||
| 413 | } else { | ||||
| 414 | /* just write the old block */ | ||||
| 415 | code = | ||||
| 416 | dbwrite(ut, diskBlockAddr, (char *)&diskBlock, | ||||
| 417 | sizeof(diskBlock)); | ||||
| 418 | if (code) | ||||
| 419 | ABORT(code)do { code = code; goto abort_exit; } while (0); | ||||
| 420 | } | ||||
| 421 | } | ||||
| 422 | |||||
| 423 | if (flags & BUDB_TEXT_COMPLETE1) { /* done */ | ||||
| 424 | /* this was the last chunk of text */ | ||||
| 425 | diskBlockAddr = ntohl(tbPtr->textAddr)(__builtin_constant_p(tbPtr->textAddr) ? ((((__uint32_t)(tbPtr ->textAddr)) >> 24) | ((((__uint32_t)(tbPtr->textAddr )) & (0xff << 16)) >> 8) | ((((__uint32_t)(tbPtr ->textAddr)) & (0xff << 8)) << 8) | (((__uint32_t )(tbPtr->textAddr)) << 24)) : __bswap32_var(tbPtr-> textAddr)); | ||||
| 426 | freeOldBlockChain(ut, diskBlockAddr); | ||||
| 427 | |||||
| 428 | tbPtr->textAddr = tbPtr->newTextAddr; | ||||
| 429 | tbPtr->newTextAddr = 0; | ||||
| 430 | tbPtr->size = tbPtr->newsize; | ||||
| 431 | tbPtr->newsize = 0; | ||||
| 432 | tbPtr->version = htonl(ntohl(tbPtr->version) + 1)(__builtin_constant_p((__builtin_constant_p(tbPtr->version ) ? ((((__uint32_t)(tbPtr->version)) >> 24) | ((((__uint32_t )(tbPtr->version)) & (0xff << 16)) >> 8) | ((((__uint32_t)(tbPtr->version)) & (0xff << 8)) << 8) | (((__uint32_t)(tbPtr->version)) << 24 )) : __bswap32_var(tbPtr->version)) + 1) ? ((((__uint32_t) ((__builtin_constant_p(tbPtr->version) ? ((((__uint32_t)(tbPtr ->version)) >> 24) | ((((__uint32_t)(tbPtr->version )) & (0xff << 16)) >> 8) | ((((__uint32_t)(tbPtr ->version)) & (0xff << 8)) << 8) | (((__uint32_t )(tbPtr->version)) << 24)) : __bswap32_var(tbPtr-> version)) + 1)) >> 24) | ((((__uint32_t)((__builtin_constant_p (tbPtr->version) ? ((((__uint32_t)(tbPtr->version)) >> 24) | ((((__uint32_t)(tbPtr->version)) & (0xff << 16)) >> 8) | ((((__uint32_t)(tbPtr->version)) & (0xff << 8)) << 8) | (((__uint32_t)(tbPtr->version )) << 24)) : __bswap32_var(tbPtr->version)) + 1)) & (0xff << 16)) >> 8) | ((((__uint32_t)((__builtin_constant_p (tbPtr->version) ? ((((__uint32_t)(tbPtr->version)) >> 24) | ((((__uint32_t)(tbPtr->version)) & (0xff << 16)) >> 8) | ((((__uint32_t)(tbPtr->version)) & (0xff << 8)) << 8) | (((__uint32_t)(tbPtr->version )) << 24)) : __bswap32_var(tbPtr->version)) + 1)) & (0xff << 8)) << 8) | (((__uint32_t)((__builtin_constant_p (tbPtr->version) ? ((((__uint32_t)(tbPtr->version)) >> 24) | ((((__uint32_t)(tbPtr->version)) & (0xff << 16)) >> 8) | ((((__uint32_t)(tbPtr->version)) & (0xff << 8)) << 8) | (((__uint32_t)(tbPtr->version )) << 24)) : __bswap32_var(tbPtr->version)) + 1)) << 24)) : __bswap32_var((__builtin_constant_p(tbPtr->version ) ? ((((__uint32_t)(tbPtr->version)) >> 24) | ((((__uint32_t )(tbPtr->version)) & (0xff << 16)) >> 8) | ((((__uint32_t)(tbPtr->version)) & (0xff << 8)) << 8) | (((__uint32_t)(tbPtr->version)) << 24 )) : __bswap32_var(tbPtr->version)) + 1)); | ||||
| 433 | |||||
| 434 | /* saveTextToFile(ut, tbPtr); */ | ||||
| 435 | } | ||||
| 436 | |||||
| 437 | /* update size and other text header info */ | ||||
| 438 | code = | ||||
| 439 | dbwrite(ut, (char *)tbPtr - (char *)&db.h, (char *)tbPtr, | ||||
| 440 | sizeof(struct textBlock)); | ||||
| 441 | if (code) | ||||
| 442 | ABORT(code)do { code = code; goto abort_exit; } while (0); | ||||
| 443 | |||||
| 444 | /*error_exit: */ | ||||
| 445 | code = ubik_EndTrans(ut); | ||||
| 446 | return (code); | ||||
| 447 | |||||
| 448 | abort_exit: | ||||
| 449 | ubik_AbortTrans(ut); | ||||
| 450 | return (code); | ||||
| 451 | } | ||||
| 452 | |||||
| 453 | /* debug support */ | ||||
| 454 | void | ||||
| 455 | saveTextToFile(struct ubik_trans *ut, struct textBlock *tbPtr) | ||||
| 456 | { | ||||
| 457 | afs_int32 blockAddr; | ||||
| 458 | struct block block; | ||||
| 459 | char filename[128]; | ||||
| 460 | afs_int32 size, chunkSize; | ||||
| 461 | int fid; | ||||
| 462 | |||||
| 463 | sprintf(filename, "%s/%s", gettmpdir(), "dbg_XXXXXX"); | ||||
| 464 | |||||
| 465 | fid = mkstemp(filename); | ||||
| 466 | size = ntohl(tbPtr->size)(__builtin_constant_p(tbPtr->size) ? ((((__uint32_t)(tbPtr ->size)) >> 24) | ((((__uint32_t)(tbPtr->size)) & (0xff << 16)) >> 8) | ((((__uint32_t)(tbPtr-> size)) & (0xff << 8)) << 8) | (((__uint32_t)( tbPtr->size)) << 24)) : __bswap32_var(tbPtr->size )); | ||||
| 467 | blockAddr = ntohl(tbPtr->textAddr)(__builtin_constant_p(tbPtr->textAddr) ? ((((__uint32_t)(tbPtr ->textAddr)) >> 24) | ((((__uint32_t)(tbPtr->textAddr )) & (0xff << 16)) >> 8) | ((((__uint32_t)(tbPtr ->textAddr)) & (0xff << 8)) << 8) | (((__uint32_t )(tbPtr->textAddr)) << 24)) : __bswap32_var(tbPtr-> textAddr)); | ||||
| 468 | while (size) { | ||||
| 469 | chunkSize = MIN(BLOCK_DATA_SIZE, size)((((2048 -sizeof(struct blockHeader)))<(size))?((2048 -sizeof (struct blockHeader))):(size)); | ||||
| 470 | dbread(ut, blockAddr, (char *)&block, sizeof(block)); | ||||
| 471 | write(fid, &block.a[0], chunkSize); | ||||
| 472 | blockAddr = ntohl(block.h.next)(__builtin_constant_p(block.h.next) ? ((((__uint32_t)(block.h .next)) >> 24) | ((((__uint32_t)(block.h.next)) & ( 0xff << 16)) >> 8) | ((((__uint32_t)(block.h.next )) & (0xff << 8)) << 8) | (((__uint32_t)(block .h.next)) << 24)) : __bswap32_var(block.h.next)); | ||||
| 473 | size -= chunkSize; | ||||
| 474 | } | ||||
| 475 | close(fid); | ||||
| 476 | printf("wrote debug file %s\n", filename); | ||||
| 477 | } | ||||
| 478 |