Some compression patches.

[dump.git] / dump / tape.c

diff --git a/dump/tape.c b/dump/tape.c
index 7851719381ee78f3702acbbe2fc0bc70a2f5c2e7..b4bf6d4eb808b97a00cb72ae91c53b52cb539bf1 100644 (file)
--- a/dump/tape.c
+++ b/dump/tape.c
@@ -41,7 +41,7 @@
 
 #ifndef lint
 static const char rcsid[] =
-       "$Id: tape.c,v 1.36 2001/03/20 10:02:48 stelian Exp $";
+       "$Id: tape.c,v 1.37 2001/03/20 20:15:59 stelian Exp $";
 #endif /* not lint */
 
 #include <config.h>
@@ -303,7 +303,7 @@ do_stats(void)
                if (compressed) {
                        double rate = .0005 + (double) blocks / (double) volkb;
                        msg("Volume %d %ldKB uncompressed, %ldKB compressed,"
-                               " compression ratio %1.3f\n",
+                               " %1.3f:1\n",
                                tapeno, blocks, volkb, rate);
                }
        }
@@ -1038,7 +1038,7 @@ doslave(int cmd, int slave_number)
        char *buffer;
 #ifdef HAVE_ZLIB
        struct tapebuf *comp_buf = NULL;
-       int compresult, complevel = 6, do_compress = 0;
+       int compresult, do_compress = 0;
        unsigned long worklen;
 #endif /* HAVE_ZLIB */
        struct slave_results returns;
@@ -1113,7 +1113,6 @@ doslave(int cmd, int slave_number)
 
 #ifdef HAVE_ZLIB
                /* 
-                * The first NR_SLAVE blocks are not compressed.
                 * When writing a compressed dump, each block is
                 * written from struct tapebuf with an 4 byte prefix
                 * followed by the data. This can be less than
@@ -1121,6 +1120,7 @@ doslave(int cmd, int slave_number)
                 * length read to the compressed length in the header
                 * to verify that the read was good. Blocks which don't
                 * compress well are written uncompressed.
+                * The first block written by each slave is not compressed.
                 */
 
                if (compressed) {
@@ -1128,7 +1128,7 @@ doslave(int cmd, int slave_number)
                        worklen = TP_BSIZE + writesize;
                        if (do_compress)
                                compresult = compress2(comp_buf->buf, &worklen,
-                                       (char *)slp->tblock[0], writesize, complevel);
+                                       (char *)slp->tblock[0], writesize, compressed);
                        if (compresult == Z_OK && worklen <= writesize-32) {
                                /* write the compressed buffer */
                                comp_buf->length = worklen;