]> git.ozlabs.org Git - ppp.git/blobdiff - modules/deflate.c
added more debug
[ppp.git] / modules / deflate.c
index c285b47fd7b5d13a14c8305fe9767c6a09a43caa..3be70d3d970b22d3939ccea761802c41775d8a0f 100644 (file)
@@ -27,7 +27,7 @@
  * OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS,
  * OR MODIFICATIONS.
  *
  * OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS,
  * OR MODIFICATIONS.
  *
- * $Id: deflate.c,v 1.3 1996/06/26 00:53:16 paulus Exp $
+ * $Id: deflate.c,v 1.4 1996/08/28 06:34:56 paulus Exp $
  */
 
 #ifdef AIX4
  */
 
 #ifdef AIX4
@@ -50,6 +50,8 @@
 
 #if DO_DEFLATE
 
 
 #if DO_DEFLATE
 
+#define DEFLATE_DEBUG  1
+
 /*
  * State for a Deflate (de)compressor.
  */
 /*
  * State for a Deflate (de)compressor.
  */
@@ -489,7 +491,9 @@ z_decompress(arg, mi, mop)
     /* Check the sequence number. */
     seq = (hdr[PPP_HDRLEN] << 8) + hdr[PPP_HDRLEN+1];
     if (seq != state->seqno) {
     /* Check the sequence number. */
     seq = (hdr[PPP_HDRLEN] << 8) + hdr[PPP_HDRLEN+1];
     if (seq != state->seqno) {
+#if !DEFLATE_DEBUG
        if (state->debug)
        if (state->debug)
+#endif
            printf("z_decompress%d: bad seq # %d, expected %d\n",
                   state->unit, seq, state->seqno);
        return DECOMP_ERROR;
            printf("z_decompress%d: bad seq # %d, expected %d\n",
                   state->unit, seq, state->seqno);
        return DECOMP_ERROR;
@@ -535,7 +539,9 @@ z_decompress(arg, mi, mop)
     for (;;) {
        r = inflate(&state->strm, flush);
        if (r != Z_OK) {
     for (;;) {
        r = inflate(&state->strm, flush);
        if (r != Z_OK) {
+#if !DEFLATE_DEBUG
            if (state->debug)
            if (state->debug)
+#endif
                printf("z_decompress%d: inflate returned %d (%s)\n",
                       state->unit, r, (state->strm.msg? state->strm.msg: ""));
            freemsg(mo_head);
                printf("z_decompress%d: inflate returned %d (%s)\n",
                       state->unit, r, (state->strm.msg? state->strm.msg: ""));
            freemsg(mo_head);
@@ -583,6 +589,12 @@ z_decompress(arg, mi, mop)
     mo->b_wptr += ospace - state->strm.avail_out;
     olen += ospace - state->strm.avail_out;
 
     mo->b_wptr += ospace - state->strm.avail_out;
     olen += ospace - state->strm.avail_out;
 
+#if DEFLATE_DEBUG
+    if (olen > state->mru + PPP_HDRLEN)
+       printf("ppp_deflate%d: exceeded mru (%d > %d)\n",
+              state->unit, olen, state->mru + PPP_HDRLEN);
+#endif
+
     state->stats.unc_bytes += olen;
     state->stats.unc_packets++;
     state->stats.comp_bytes += rlen;
     state->stats.unc_bytes += olen;
     state->stats.unc_packets++;
     state->stats.comp_bytes += rlen;
@@ -636,10 +648,11 @@ z_incomp(arg, mi)
        r = inflateIncomp(&state->strm);
        if (r != Z_OK) {
            /* gak! */
        r = inflateIncomp(&state->strm);
        if (r != Z_OK) {
            /* gak! */
-           if (state->debug) {
+#if !DEFLATE_DEBUG
+           if (state->debug)
+#endif
                printf("z_incomp%d: inflateIncomp returned %d (%s)\n",
                       state->unit, r, (state->strm.msg? state->strm.msg: ""));
                printf("z_incomp%d: inflateIncomp returned %d (%s)\n",
                       state->unit, r, (state->strm.msg? state->strm.msg: ""));
-           }
            return;
        }
        mi = mi->b_cont;
            return;
        }
        mi = mi->b_cont;