Changeset 754:c9679895bf19 in roaraudio

Timestamp:

09/05/08 04:05:37 (16 years ago)

Author:

phi

Branch:

default

Phase:

public

Message:

let roar_socket_send_fh() and roar_socket_recv_fh() support (virtally) zero length packets

File:

• libroar/socket.c (modified) (2 diffs)

libroar/socket.c

@@ -218 +218 @@
  char             cmptr_buf[_SCMR_CONTROLLEN];
  struct cmsghdr * cmptr = (struct cmsghdr *) cmptr_buf;
-
- if ( sock < 0 || fh < 0 || len == 0 )
-  return -1;
+ char             localmes[1] = {0};
+
+ if ( sock < 0 || fh < 0 )
+  return -1;
+
+ if ( len == 0 ) {
+  len = 1;
+  mes = localmes;
+ }
+
+ memset(cmptr, 0, _SCMR_CONTROLLEN);
 
  iov[0].iov_base = mes;
@@ -244 +252 @@
  char             cmptr_buf[_SCMR_CONTROLLEN];
  struct cmsghdr * cmptr = (struct cmsghdr *) cmptr_buf;
+ char             localmes[1];
+ size_t           locallen[1] = {1};
 
  if ( sock < 0 )
   return -1;
+
+ if ( len == NULL ) {
+  len = locallen;
+  mes = localmes;
+ }
 
  iov[0].iov_base = mes;