big footnotes, too.

[unix-history] / usr / src / sys / kern / uipc_socket2.c

diff --git a/usr/src/sys/kern/uipc_socket2.c b/usr/src/sys/kern/uipc_socket2.c
index dc2ec8c..a164610 100644 (file)
--- a/usr/src/sys/kern/uipc_socket2.c
+++ b/usr/src/sys/kern/uipc_socket2.c
@@ -1,4 +1,4 @@
-/*     uipc_socket2.c  4.20    82/01/19        */
+/*     uipc_socket2.c  4.21    82/03/09        */

 
 #include "../h/param.h"
 #include "../h/systm.h"
 
 #include "../h/param.h"
 #include "../h/systm.h"


@@ -260,14 +260,12 @@ sbappend(sb, m)
        register struct mbuf *m;
        register struct sockbuf *sb;
 {
        register struct mbuf *m;
        register struct sockbuf *sb;
 {

-       register struct mbuf **np, *n;
+       register struct mbuf *n;

 
 

-       np = &sb->sb_mb;
-       n = 0;
-       while (*np) {
-               n = *np;
-               np = &n->m_next;
-       }
+       n = sb->sb_mb;
+       if (n)
+               while (n->m_next)
+                       n = n->m_next;

        while (m) {
                if (m->m_len == 0 && (int)m->m_act == 0) {
                        m = m_free(m);
        while (m) {
                if (m->m_len == 0 && (int)m->m_act == 0) {
                        m = m_free(m);


@@ -284,10 +282,13 @@ sbappend(sb, m)
                        continue;
                }
                sballoc(sb, m);
                        continue;
                }
                sballoc(sb, m);

-               *np = m;
+               if (n == 0)
+                       sb->sb_mb = m;
+               else
+                       n->m_next = m;

                n = m;
                n = m;

-               np = &n->m_next;

                m = m->m_next;
                m = m->m_next;

+               n->m_next = 0;

        }
 }
 
        }
 }