When writing, the data needn't start at the beginning of the buffer.

[libucw.git] / lib / buckettool.c

diff --git a/lib/buckettool.c b/lib/buckettool.c
index eaf376c76da98c22a95bcbee56541add479dfd2e..ae55b3ca4d4f92c784c25bae194ac3c0fae308fd 100644 (file)
--- a/lib/buckettool.c
+++ b/lib/buckettool.c
@@ -2,6 +2,9 @@
  *     Sherlock Library -- Bucket Manipulation Tool
  *
  *     (c) 2001 Martin Mares <mj@ucw.cz>
+ *
+ *     This software may be freely distributed and used according to the terms
+ *     of the GNU Lesser General Public License.
  */
 
 #include "lib/lib.h"
@@ -35,6 +38,7 @@ CF_USAGE
 -c\t\tconcatenate and dump all buckets\n\
 -f\t\taudit bucket file structure\n\
 -F\t\taudit and fix bucket file structure\n\
+-q\t\tquick check of bucket file consistency\n\
 -s\t\tshake down bucket file (without updating other structures!!!)\n\
 -v\t\tbe verbose\n\
 ");
@@ -104,7 +108,7 @@ insert(void)
   struct obuck_header h;
   byte *e;
 
-  in = bfdopen(0, 4096);
+  in = bfdopen_shared(0, 4096);
   obuck_init(1);
   do
     {
@@ -119,7 +123,7 @@ insert(void)
     }
   while (e);
   obuck_cleanup();
-  /* bclose(in) not done, we don't want fd 0 closed */
+  bclose(in);
 }
 
 static void
@@ -186,9 +190,12 @@ fsck(int fix)
            printf("%08x  missing trailer\n", oid);
          else if (chk != OBUCK_TRAILER)
            printf("%08x  mismatched trailer\n", oid);
-         /* OK */
-         pos = end;
-         continue;
+         else
+           {
+             /* OK */
+             pos = end;
+             continue;
+           }
        }
       errors++;
       end = pos;
@@ -227,6 +234,8 @@ fsck(int fix)
          sh_pwrite(fd, &chk, 4, end-4);
          printf("*** replaced the invalid chunk by a DELETED bucket of size %d\n", (uns)(end - pos));
        }
+      else
+       printf("*** would mark %d bytes as DELETED\n", (uns)(end - pos));
       pos = end;
     }
  finish:
@@ -257,6 +266,13 @@ shake(void)
   obuck_cleanup();
 }
 
+static void
+quickcheck(void)
+{
+  obuck_init(1);
+  obuck_cleanup();
+}
+
 int
 main(int argc, char **argv)
 {
@@ -265,7 +281,7 @@ main(int argc, char **argv)
 
   log_init(NULL);
   op = 0;
-  while ((i = cf_getopt(argc, argv, CF_SHORT_OPTS "lLd:x:icfFsv", CF_NO_LONG_OPTS, NULL)) != -1)
+  while ((i = cf_getopt(argc, argv, CF_SHORT_OPTS "lLd:x:icfFqsv", CF_NO_LONG_OPTS, NULL)) != -1)
     if (i == '?' || op)
       help();
     else if (i == 'v')
@@ -304,6 +320,9 @@ main(int argc, char **argv)
     case 'F':
       fsck(1);
       break;
+    case 'q':
+      quickcheck();
+      break;
     case 's':
       shake();
       break;