Revision ecbe1576
| b/block/bochs.c | ||
|---|---|---|
| 146 | 146 |
bs->total_sectors = le64_to_cpu(bochs.extra.redolog.disk) / 512; |
| 147 | 147 |
} |
| 148 | 148 |
|
| 149 |
lseek(s->fd, le32_to_cpu(bochs.header), SEEK_SET); |
|
| 149 |
if (lseek(s->fd, le32_to_cpu(bochs.header), SEEK_SET) == (off_t)-1) {
|
|
| 150 |
goto fail; |
|
| 151 |
} |
|
| 150 | 152 |
|
| 151 | 153 |
s->catalog_size = le32_to_cpu(bochs.extra.redolog.catalog); |
| 152 | 154 |
s->catalog_bitmap = qemu_malloc(s->catalog_size * 4); |
| ... | ... | |
| 197 | 199 |
// bitmap_offset, block_offset); |
| 198 | 200 |
|
| 199 | 201 |
// read in bitmap for current extent |
| 200 |
lseek(s->fd, bitmap_offset + (extent_offset / 8), SEEK_SET); |
|
| 202 |
if (lseek(s->fd, bitmap_offset + (extent_offset / 8), SEEK_SET) == |
|
| 203 |
(off_t)-1) {
|
|
| 204 |
return -1; |
|
| 205 |
} |
|
| 201 | 206 |
|
| 202 | 207 |
if (read(s->fd, &bitmap_entry, 1) != 1) |
| 203 | 208 |
return -1; |
| ... | ... | |
| 209 | 214 |
return -1; // not allocated |
| 210 | 215 |
} |
| 211 | 216 |
|
| 212 |
lseek(s->fd, block_offset, SEEK_SET); |
|
| 217 |
if (lseek(s->fd, block_offset, SEEK_SET) == (off_t)-1) {
|
|
| 218 |
return -1; |
|
| 219 |
} |
|
| 213 | 220 |
|
| 214 | 221 |
return 0; |
| 215 | 222 |
} |
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