Commit d5249393efe472d50eb027e286566a57ba868bf2
1 parent
11c0315f
64 bit file I/O by default
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1040 c046a42c-6fe2-441c-8c8c-71466251a162
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7 changed files
with
32 additions
and
28 deletions
Makefile
1 | 1 | include config-host.mak |
2 | 2 | |
3 | -CFLAGS=-Wall -O2 -g -fno-strict-aliasing | |
3 | +CFLAGS=-Wall -O2 -g -fno-strict-aliasing | |
4 | 4 | ifdef CONFIG_DARWIN |
5 | 5 | CFLAGS+= -mdynamic-no-pic |
6 | 6 | endif |
... | ... | @@ -9,7 +9,7 @@ CFLAGS+=-fpack-struct |
9 | 9 | endif |
10 | 10 | LDFLAGS=-g |
11 | 11 | LIBS= |
12 | -DEFINES+=-D_GNU_SOURCE | |
12 | +DEFINES+=-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE | |
13 | 13 | TOOLS=qemu-img |
14 | 14 | ifdef CONFIG_STATIC |
15 | 15 | LDFLAGS+=-static | ... | ... |
Makefile.target
block-cow.c
... | ... | @@ -173,7 +173,7 @@ static int cow_read(BlockDriverState *bs, int64_t sector_num, |
173 | 173 | |
174 | 174 | while (nb_sectors > 0) { |
175 | 175 | if (is_changed(s->cow_bitmap, sector_num, nb_sectors, &n)) { |
176 | - lseek64(s->fd, s->cow_sectors_offset + sector_num * 512, SEEK_SET); | |
176 | + lseek(s->fd, s->cow_sectors_offset + sector_num * 512, SEEK_SET); | |
177 | 177 | ret = read(s->fd, buf, n * 512); |
178 | 178 | if (ret != n * 512) |
179 | 179 | return -1; |
... | ... | @@ -193,7 +193,7 @@ static int cow_write(BlockDriverState *bs, int64_t sector_num, |
193 | 193 | BDRVCowState *s = bs->opaque; |
194 | 194 | int ret, i; |
195 | 195 | |
196 | - lseek64(s->fd, s->cow_sectors_offset + sector_num * 512, SEEK_SET); | |
196 | + lseek(s->fd, s->cow_sectors_offset + sector_num * 512, SEEK_SET); | |
197 | 197 | ret = write(s->fd, buf, nb_sectors * 512); |
198 | 198 | if (ret != nb_sectors * 512) |
199 | 199 | return -1; | ... | ... |
block-qcow.c
... | ... | @@ -137,7 +137,7 @@ static int qcow_open(BlockDriverState *bs, const char *filename) |
137 | 137 | s->l1_table = qemu_malloc(s->l1_size * sizeof(uint64_t)); |
138 | 138 | if (!s->l1_table) |
139 | 139 | goto fail; |
140 | - lseek64(fd, s->l1_table_offset, SEEK_SET); | |
140 | + lseek(fd, s->l1_table_offset, SEEK_SET); | |
141 | 141 | if (read(fd, s->l1_table, s->l1_size * sizeof(uint64_t)) != |
142 | 142 | s->l1_size * sizeof(uint64_t)) |
143 | 143 | goto fail; |
... | ... | @@ -161,7 +161,7 @@ static int qcow_open(BlockDriverState *bs, const char *filename) |
161 | 161 | len = header.backing_file_size; |
162 | 162 | if (len > 1023) |
163 | 163 | len = 1023; |
164 | - lseek64(fd, header.backing_file_offset, SEEK_SET); | |
164 | + lseek(fd, header.backing_file_offset, SEEK_SET); | |
165 | 165 | if (read(fd, bs->backing_file, len) != len) |
166 | 166 | goto fail; |
167 | 167 | bs->backing_file[len] = '\0'; |
... | ... | @@ -275,13 +275,13 @@ static uint64_t get_cluster_offset(BlockDriverState *bs, |
275 | 275 | if (!allocate) |
276 | 276 | return 0; |
277 | 277 | /* allocate a new l2 entry */ |
278 | - l2_offset = lseek64(s->fd, 0, SEEK_END); | |
278 | + l2_offset = lseek(s->fd, 0, SEEK_END); | |
279 | 279 | /* round to cluster size */ |
280 | 280 | l2_offset = (l2_offset + s->cluster_size - 1) & ~(s->cluster_size - 1); |
281 | 281 | /* update the L1 entry */ |
282 | 282 | s->l1_table[l1_index] = l2_offset; |
283 | 283 | tmp = cpu_to_be64(l2_offset); |
284 | - lseek64(s->fd, s->l1_table_offset + l1_index * sizeof(tmp), SEEK_SET); | |
284 | + lseek(s->fd, s->l1_table_offset + l1_index * sizeof(tmp), SEEK_SET); | |
285 | 285 | if (write(s->fd, &tmp, sizeof(tmp)) != sizeof(tmp)) |
286 | 286 | return 0; |
287 | 287 | new_l2_table = 1; |
... | ... | @@ -336,16 +336,16 @@ static uint64_t get_cluster_offset(BlockDriverState *bs, |
336 | 336 | overwritten */ |
337 | 337 | if (decompress_cluster(s, cluster_offset) < 0) |
338 | 338 | return 0; |
339 | - cluster_offset = lseek64(s->fd, 0, SEEK_END); | |
339 | + cluster_offset = lseek(s->fd, 0, SEEK_END); | |
340 | 340 | cluster_offset = (cluster_offset + s->cluster_size - 1) & |
341 | 341 | ~(s->cluster_size - 1); |
342 | 342 | /* write the cluster content */ |
343 | - lseek64(s->fd, cluster_offset, SEEK_SET); | |
343 | + lseek(s->fd, cluster_offset, SEEK_SET); | |
344 | 344 | if (write(s->fd, s->cluster_cache, s->cluster_size) != |
345 | 345 | s->cluster_size) |
346 | 346 | return -1; |
347 | 347 | } else { |
348 | - cluster_offset = lseek64(s->fd, 0, SEEK_END); | |
348 | + cluster_offset = lseek(s->fd, 0, SEEK_END); | |
349 | 349 | if (allocate == 1) { |
350 | 350 | /* round to cluster size */ |
351 | 351 | cluster_offset = (cluster_offset + s->cluster_size - 1) & |
... | ... | @@ -364,7 +364,7 @@ static uint64_t get_cluster_offset(BlockDriverState *bs, |
364 | 364 | s->cluster_data, |
365 | 365 | s->cluster_data + 512, 1, 1, |
366 | 366 | &s->aes_encrypt_key); |
367 | - lseek64(s->fd, cluster_offset + i * 512, SEEK_SET); | |
367 | + lseek(s->fd, cluster_offset + i * 512, SEEK_SET); | |
368 | 368 | if (write(s->fd, s->cluster_data, 512) != 512) |
369 | 369 | return -1; |
370 | 370 | } |
... | ... | @@ -378,7 +378,7 @@ static uint64_t get_cluster_offset(BlockDriverState *bs, |
378 | 378 | /* update L2 table */ |
379 | 379 | tmp = cpu_to_be64(cluster_offset); |
380 | 380 | l2_table[l2_index] = tmp; |
381 | - lseek64(s->fd, l2_offset + l2_index * sizeof(tmp), SEEK_SET); | |
381 | + lseek(s->fd, l2_offset + l2_index * sizeof(tmp), SEEK_SET); | |
382 | 382 | if (write(s->fd, &tmp, sizeof(tmp)) != sizeof(tmp)) |
383 | 383 | return 0; |
384 | 384 | } |
... | ... | @@ -437,7 +437,7 @@ static int decompress_cluster(BDRVQcowState *s, uint64_t cluster_offset) |
437 | 437 | if (s->cluster_cache_offset != coffset) { |
438 | 438 | csize = cluster_offset >> (63 - s->cluster_bits); |
439 | 439 | csize &= (s->cluster_size - 1); |
440 | - lseek64(s->fd, coffset, SEEK_SET); | |
440 | + lseek(s->fd, coffset, SEEK_SET); | |
441 | 441 | ret = read(s->fd, s->cluster_data, csize); |
442 | 442 | if (ret != csize) |
443 | 443 | return -1; |
... | ... | @@ -470,7 +470,7 @@ static int qcow_read(BlockDriverState *bs, int64_t sector_num, |
470 | 470 | return -1; |
471 | 471 | memcpy(buf, s->cluster_cache + index_in_cluster * 512, 512 * n); |
472 | 472 | } else { |
473 | - lseek64(s->fd, cluster_offset + index_in_cluster * 512, SEEK_SET); | |
473 | + lseek(s->fd, cluster_offset + index_in_cluster * 512, SEEK_SET); | |
474 | 474 | ret = read(s->fd, buf, n * 512); |
475 | 475 | if (ret != n * 512) |
476 | 476 | return -1; |
... | ... | @@ -503,7 +503,7 @@ static int qcow_write(BlockDriverState *bs, int64_t sector_num, |
503 | 503 | index_in_cluster + n); |
504 | 504 | if (!cluster_offset) |
505 | 505 | return -1; |
506 | - lseek64(s->fd, cluster_offset + index_in_cluster * 512, SEEK_SET); | |
506 | + lseek(s->fd, cluster_offset + index_in_cluster * 512, SEEK_SET); | |
507 | 507 | if (s->crypt_method) { |
508 | 508 | encrypt_sectors(s, sector_num, s->cluster_data, buf, n, 1, |
509 | 509 | &s->aes_encrypt_key); |
... | ... | @@ -650,7 +650,7 @@ int qcow_compress_cluster(BlockDriverState *bs, int64_t sector_num, |
650 | 650 | cluster_offset = get_cluster_offset(bs, sector_num << 9, 2, |
651 | 651 | out_len, 0, 0); |
652 | 652 | cluster_offset &= s->cluster_offset_mask; |
653 | - lseek64(s->fd, cluster_offset, SEEK_SET); | |
653 | + lseek(s->fd, cluster_offset, SEEK_SET); | |
654 | 654 | if (write(s->fd, out_buf, out_len) != out_len) { |
655 | 655 | qemu_free(out_buf); |
656 | 656 | return -1; | ... | ... |
block-vmdk.c
... | ... | @@ -239,7 +239,7 @@ static int vmdk_read(BlockDriverState *bs, int64_t sector_num, |
239 | 239 | if (!cluster_offset) { |
240 | 240 | memset(buf, 0, 512 * n); |
241 | 241 | } else { |
242 | - lseek64(s->fd, cluster_offset + index_in_cluster * 512, SEEK_SET); | |
242 | + lseek(s->fd, cluster_offset + index_in_cluster * 512, SEEK_SET); | |
243 | 243 | ret = read(s->fd, buf, n * 512); |
244 | 244 | if (ret != n * 512) |
245 | 245 | return -1; | ... | ... |
block.c
... | ... | @@ -71,14 +71,22 @@ int bdrv_create(BlockDriver *drv, |
71 | 71 | return drv->bdrv_create(filename, size_in_sectors, backing_file, flags); |
72 | 72 | } |
73 | 73 | |
74 | -/* XXX: race condition possible */ | |
74 | +#ifdef _WIN32 | |
75 | +static void get_tmp_filename(char *filename, int size) | |
76 | +{ | |
77 | + /* XXX: find a better function */ | |
78 | + tmpnam(filename); | |
79 | +} | |
80 | +#else | |
75 | 81 | static void get_tmp_filename(char *filename, int size) |
76 | 82 | { |
77 | 83 | int fd; |
84 | + /* XXX: race condition possible */ | |
78 | 85 | pstrcpy(filename, size, "/tmp/vl.XXXXXX"); |
79 | 86 | fd = mkstemp(filename); |
80 | 87 | close(fd); |
81 | 88 | } |
89 | +#endif | |
82 | 90 | |
83 | 91 | static BlockDriver *find_image_format(const char *filename) |
84 | 92 | { |
... | ... | @@ -514,7 +522,7 @@ static int raw_open(BlockDriverState *bs, const char *filename) |
514 | 522 | return -1; |
515 | 523 | bs->read_only = 1; |
516 | 524 | } |
517 | - size = lseek64(fd, 0, SEEK_END); | |
525 | + size = lseek(fd, 0, SEEK_END); | |
518 | 526 | bs->total_sectors = size / 512; |
519 | 527 | s->fd = fd; |
520 | 528 | return 0; |
... | ... | @@ -526,7 +534,7 @@ static int raw_read(BlockDriverState *bs, int64_t sector_num, |
526 | 534 | BDRVRawState *s = bs->opaque; |
527 | 535 | int ret; |
528 | 536 | |
529 | - lseek64(s->fd, sector_num * 512, SEEK_SET); | |
537 | + lseek(s->fd, sector_num * 512, SEEK_SET); | |
530 | 538 | ret = read(s->fd, buf, nb_sectors * 512); |
531 | 539 | if (ret != nb_sectors * 512) |
532 | 540 | return -1; |
... | ... | @@ -539,7 +547,7 @@ static int raw_write(BlockDriverState *bs, int64_t sector_num, |
539 | 547 | BDRVRawState *s = bs->opaque; |
540 | 548 | int ret; |
541 | 549 | |
542 | - lseek64(s->fd, sector_num * 512, SEEK_SET); | |
550 | + lseek(s->fd, sector_num * 512, SEEK_SET); | |
543 | 551 | ret = write(s->fd, buf, nb_sectors * 512); |
544 | 552 | if (ret != nb_sectors * 512) |
545 | 553 | return -1; |
... | ... | @@ -564,7 +572,7 @@ static int raw_create(const char *filename, int64_t total_size, |
564 | 572 | 0644); |
565 | 573 | if (fd < 0) |
566 | 574 | return -EIO; |
567 | - ftruncate64(fd, total_size * 512); | |
575 | + ftruncate(fd, total_size * 512); | |
568 | 576 | close(fd); |
569 | 577 | return 0; |
570 | 578 | } | ... | ... |
configure
... | ... | @@ -429,10 +429,6 @@ echo "TARGET_DIRS=$target_list" >> $config_mak |
429 | 429 | # XXX: suppress that |
430 | 430 | if [ "$bsd" = "yes" ] ; then |
431 | 431 | echo "#define O_LARGEFILE 0" >> $config_h |
432 | - echo "#define lseek64 lseek" >> $config_h | |
433 | - echo "#define mkstemp64 mkstemp" >> $config_h | |
434 | - echo "#define ftruncate64 ftruncate" >> $config_h | |
435 | - echo "#define off64_t off_t" >> $config_h | |
436 | 432 | echo "#define MAP_ANONYMOUS MAP_ANON" >> $config_h |
437 | 433 | echo "#define _BSD 1" >> $config_h |
438 | 434 | fi | ... | ... |