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Overview
Comment:Further improvements to showwal.c: Reset the checksum after each frame so that only individual checksum failures are shown. And only show failures, not correct checksums.
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SHA1: 4e2bf57549a8d50fc0993386c724eb4a2b35c9fe
User & Date: drh 2013-01-25 15:31:44
Context
2013-01-25
15:59
Add btree-page decoding logic to showwal.c. Commands of the form: "showwal $FILE 123bmc" show the content of the btree page in frame 123. "b" means decode the btree. "c" means show cell content. "m" means give a map of the btree page. check-in: 93b159da user: drh tags: trunk
15:31
Further improvements to showwal.c: Reset the checksum after each frame so that only individual checksum failures are shown. And only show failures, not correct checksums. check-in: 4e2bf575 user: drh tags: trunk
15:09
Enhance the "showwal" utility program to show checksum failures on frames. check-in: a7f6d198 user: drh tags: trunk
Changes
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Changes to tool/showwal.c.

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          iFrame, 
          getInt32(aData),
          getInt32(aData+4),
          getInt32(aData+8),
          getInt32(aData+12),
          s0,
          s1,
          (s0==pCksum->s0 && s1==pCksum->s1) ? "cksum-ok" : "cksum-fail"
  );





  free(aData);
}

/*
** Decode the WAL header.
*/
static void print_wal_header(Cksum *pCksum){







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          iFrame, 
          getInt32(aData),
          getInt32(aData+4),
          getInt32(aData+8),
          getInt32(aData+12),
          s0,
          s1,
          (s0==pCksum->s0 && s1==pCksum->s1) ? "" : "cksum-fail"
  );

  /* Reset the checksum so that a single frame checksum failure will not
  ** cause all subsequent frames to also show a failure. */
  pCksum->s0 = s0;
  pCksum->s1 = s1;
  free(aData);
}

/*
** Decode the WAL header.
*/
static void print_wal_header(Cksum *pCksum){