diff options
Diffstat (limited to 'src/libs/3rdparty/libarchive/archive_write.c')
| -rw-r--r-- | src/libs/3rdparty/libarchive/archive_write.c | 23 |
1 files changed, 20 insertions, 3 deletions
diff --git a/src/libs/3rdparty/libarchive/archive_write.c b/src/libs/3rdparty/libarchive/archive_write.c index 8d70f51a6..38c14cba7 100644 --- a/src/libs/3rdparty/libarchive/archive_write.c +++ b/src/libs/3rdparty/libarchive/archive_write.c @@ -482,6 +482,8 @@ archive_write_client_close(struct archive_write_filter *f) ssize_t block_length; ssize_t target_block_length; ssize_t bytes_written; + size_t to_write; + char *p; int ret = ARCHIVE_OK; /* If there's pending data, pad and write the last block */ @@ -504,9 +506,24 @@ archive_write_client_close(struct archive_write_filter *f) target_block_length - block_length); block_length = target_block_length; } - bytes_written = (a->client_writer)(&a->archive, - a->client_data, state->buffer, block_length); - ret = bytes_written <= 0 ? ARCHIVE_FATAL : ARCHIVE_OK; + p = state->buffer; + to_write = block_length; + while (to_write > 0) { + bytes_written = (a->client_writer)(&a->archive, + a->client_data, p, to_write); + if (bytes_written <= 0) { + ret = ARCHIVE_FATAL; + break; + } + if ((size_t)bytes_written > to_write) { + archive_set_error(&(a->archive), + -1, "write overrun"); + ret = ARCHIVE_FATAL; + break; + } + p += bytes_written; + to_write -= bytes_written; + } } if (a->client_closer) (*a->client_closer)(&a->archive, a->client_data); |