__linux__ (already defined by compiler) not _linux_ (manually defined)

[ppp.git] / modules / ppp_ahdlc.c

diff --git a/modules/ppp_ahdlc.c b/modules/ppp_ahdlc.c
index 1a821afb8739c84adeab2dc327fd4953b5270cc8..1be0692bac019884f0e636d7d47c03ebb935b395 100644 (file)
--- a/modules/ppp_ahdlc.c
+++ b/modules/ppp_ahdlc.c
@@ -41,7 +41,7 @@
  * OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS,
  * OR MODIFICATIONS.
  *
- * $Id: ppp_ahdlc.c,v 1.15 2000/02/18 10:00:58 masputra Exp $
+ * $Id: ppp_ahdlc.c,v 1.17 2002/09/18 02:14:10 carlsonj Exp $
  */
 
 /*
@@ -75,6 +75,21 @@
 #define USE_MUTEX
 #endif /* SOL2 */
 
+/*
+ * intpointer_t and uintpointer_t are signed and unsigned integer types 
+ * large enough to hold any data pointer; that is, data pointers can be 
+ * assigned into or from these integer types without losing precision.
+ * On recent Solaris releases, these types are defined in sys/int_types.h,
+ * but not on SunOS 4.x or the earlier Solaris versions.
+ */
+#if defined(_LP64) || defined(_I32LPx)
+typedef long                    intpointer_t;
+typedef unsigned long           uintpointer_t;
+#else
+typedef int                     intpointer_t;
+typedef unsigned int            uintpointer_t;
+#endif
+
 MOD_OPEN_DECL(ahdlc_open);
 MOD_CLOSE_DECL(ahdlc_close);
 static int ahdlc_wput __P((queue_t *, mblk_t *));
@@ -512,7 +527,6 @@ ahdlc_rput(q, mp)
     switch (mp->b_datap->db_type) {
     case M_DATA:
        ahdlc_decode(q, mp);
-       freemsg(mp);
        break;
 
     case M_HANGUP:
@@ -688,14 +702,6 @@ ahdlc_encode(q, mp)
 #define IN_RX_MAP(c, m)        ((((unsigned int) (uchar_t) (c)) < 0x20) && \
                        (m) & (1 << (c)))
 
-/*
- * SunOS 4.x does not have intptr_t or uintptr_t defined, so
- * declare them here
- */
-#if defined(SUNOS4)
-typedef        int                     intptr_t;
-typedef        unsigned int            uintptr_t;
-#endif /* SUNOS4 */
 
 /*
  * Process received characters.
@@ -708,26 +714,6 @@ ahdlc_decode(q, mp)
     ahdlc_state_t   *state;
     mblk_t         *om;
     uchar_t        *dp;
-    ushort_t       fcs;
-#if defined(SOL2)
-    mblk_t         *zmp;
-#endif /* SOL2 */
-
-#if defined(SOL2)
-    /*
-     * In case the driver (or something below) doesn't send
-     * data upstream in one message block, concatenate everything
-     */
-    if (!((mp->b_wptr - mp->b_rptr == msgdsize(mp)) && 
-         ((intptr_t)mp->b_rptr % sizeof(intptr_t) == 0))) {
-
-       zmp = msgpullup(mp, -1);
-       freemsg(mp);
-       mp = zmp;
-       if (mp == 0)
-           return; 
-    }
-#endif /* SOL2 */
 
     state = (ahdlc_state_t *) q->q_ptr;
 
@@ -737,6 +723,7 @@ ahdlc_decode(q, mp)
 
     state->stats.ppp_ibytes += msgdsize(mp);
 
+    for (; mp != 0; om = mp->b_cont, freeb(mp), mp = om)
     for (dp = mp->b_rptr; dp < mp->b_wptr; dp++) {
 
        /*