diff options
| author | Thomas Schwinge <tschwinge@gnu.org> | 2006-07-25 14:06:14 +0000 |
|---|---|---|
| committer | Thomas Schwinge <tschwinge@gnu.org> | 2006-07-25 14:06:14 +0000 |
| commit | dd79b1d8f8ae90cd34d5d0b307048c8aaea47d23 (patch) | |
| tree | ea83d9e7613ae3cee9da9f325c95e83f390eea59 /libpipe/pq.c | |
| parent | bbd40ec2bcd11142b8de273a9c009fe5d2d248f2 (diff) | |
2006-07-25 Stefan Siegl <stesie@brokenpipe.de>
* pq.c (packet_write): Only dereference AMOUNT if it is not the null
pointer and document the change.
* pq.h (packet_write): Document the change.
Diffstat (limited to 'libpipe/pq.c')
| -rw-r--r-- | libpipe/pq.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/libpipe/pq.c b/libpipe/pq.c index ce49a54c..afdda051 100644 --- a/libpipe/pq.c +++ b/libpipe/pq.c @@ -1,6 +1,7 @@ /* Packet queues - Copyright (C) 1995, 1996, 1998, 1999, 2002 Free Software Foundation, Inc. + Copyright (C) 1995, 1996, 1998, 1999, 2002, 2006 + Free Software Foundation, Inc. Written by Miles Bader <miles@gnu.ai.mit.edu> @@ -329,7 +330,7 @@ packet_read_ports (struct packet *packet, } /* Append the bytes in DATA, of length DATA_LEN, to what's already in PACKET, - and return the amount appended in AMOUNT. */ + and return the amount appended in AMOUNT if that's not the null pointer. */ error_t packet_write (struct packet *packet, char *data, size_t data_len, size_t *amount) @@ -342,7 +343,8 @@ packet_write (struct packet *packet, /* Add the new data. */ bcopy (data, packet->buf_end, data_len); packet->buf_end += data_len; - *amount = data_len; + if (amount != NULL) + *amount = data_len; return 0; } |