diff options
Diffstat (limited to 'common/iobuf.h')
| -rw-r--r-- | common/iobuf.h | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/common/iobuf.h b/common/iobuf.h index cb7910510..69764d6f5 100644 --- a/common/iobuf.h +++ b/common/iobuf.h @@ -404,10 +404,10 @@ int iobuf_cancel (iobuf_t iobuf); called on the pipeline. IOBUFCTRL_DESC: Called with this value to get a human-readable - description of the filter. * (char **) BUF should set to the - NUL-terminated string. Note: you need to keep track of this - value and, if necessary, free it when the filter function is - called with control set to IOBUFCTRL_FREE. + description of the filter. *LEN is the size of the buffer. + The description is filled into BUF, NUL-terminated. Always + returns 0. When the size of the buffer is shorter than the + description, it is truncated and not NUL-terminated. */ int iobuf_push_filter (iobuf_t a, int (*f) (void *opaque, int control, iobuf_t chain, byte * buf, |