diff options
Diffstat (limited to 'lib/sqfs')
| -rw-r--r-- | lib/sqfs/src/block_processor/frontend.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/lib/sqfs/src/block_processor/frontend.c b/lib/sqfs/src/block_processor/frontend.c index e8a4207..de89913 100644 --- a/lib/sqfs/src/block_processor/frontend.c +++ b/lib/sqfs/src/block_processor/frontend.c @@ -114,6 +114,7 @@ int sqfs_block_processor_append(sqfs_block_processor_t *proc, const void *data, sqfs_block_t *new; sqfs_u64 filesize; size_t diff; + void *dst; int err; if (!proc->begin_called) @@ -152,12 +153,17 @@ int sqfs_block_processor_append(sqfs_block_processor_t *proc, const void *data, if (diff > size) diff = size; - memcpy(proc->blk_current->data + proc->blk_current->size, - data, diff); + dst = proc->blk_current->data + proc->blk_current->size; + + if (data == NULL) { + memset(dst, 0, diff); + } else { + memcpy(dst, data, diff); + data = (const char *)data + diff; + } size -= diff; proc->blk_current->size += diff; - data = (const char *)data + diff; proc->stats.input_bytes_read += diff; } |