diff options
| -rw-r--r-- | src/dd.c | 9 |
1 files changed, 6 insertions, 3 deletions
@@ -946,7 +946,7 @@ dd_copy (void) { /* FIXME: this loses for % ./dd if=dd seek=1 |: - ./dd: standard output: Bad file number + ./dd: standard output: Bad file descriptor 0+0 records in 0+0 records out */ @@ -966,7 +966,9 @@ dd_copy (void) whatever data we are able to read is followed by zeros. This minimizes data loss. */ if ((conversions_mask & C_SYNC) && (conversions_mask & C_NOERROR)) - memset ((char *) ibuf, 0, input_blocksize); + memset ((char *) ibuf, + (conversions_mask & (C_BLOCK | C_UNBLOCK)) ? ' ' : '\0', + input_blocksize); nread = safe_read (STDIN_FILENO, ibuf, input_blocksize); @@ -1005,7 +1007,8 @@ dd_copy (void) { if (!(conversions_mask & C_NOERROR)) /* If C_NOERROR, we zeroed the block before reading. */ - memset ((char *) (ibuf + n_bytes_read), 0, + memset ((char *) (ibuf + n_bytes_read), + (conversions_mask & (C_BLOCK | C_UNBLOCK)) ? ' ' : '\0', input_blocksize - n_bytes_read); n_bytes_read = input_blocksize; } |