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      <dt style="clear: both; float: left; font-weight: bold; width: 8em">Author</dt>
      <dd style="margin-left: 8.5em">susumu.yata &lt;susum****@gmail*****&gt;</dd>
      <dt style="clear: both; float: left; font-weight: bold; width: 8em">Date</dt>
      <dd style="margin-left: 8.5em">2015-10-13 12:43:03 +0900 (Tue, 13 Oct 2015)</dd>
      <dt style="clear: both; float: left; font-weight: bold; width: 8em">New Revision</dt>
      <dd style="margin-left: 8.5em"><a href="https://github.com/groonga/groonga/commit/a83a10754026eeae5cd97b6757e4cf48a5838f35">a83a10754026eeae5cd97b6757e4cf48a5838f35</a></dd>
      <dt style="clear: both; float: left; font-weight: bold; width: 8em">Message</dt>
      <dd style="margin-left: 8.5em"><pre style="border: 1px solid #aaa; font-family: Consolas, Menlo, &quot;Liberation Mono&quot;, Courier, monospace; line-height: 1.2; padding: 0.5em; width: auto">grn_pat: insert a break to avoid an infinite loop

GitHub: <a href="https://github.com/groonga/groonga/issues/419">#419</a></pre></dd>
      <dt style="clear: both; float: left; font-weight: bold; width: 8em">Modified files</dt>
      <dd style="margin-left: 8.5em">
        <ul>
          <li><a href="https://github.com/groonga/groonga/commit/a83a10754026eeae5cd97b6757e4cf48a5838f35#diff-e8f58132837f95fac7913a81cae2265f">lib/pat.c</a></li>
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<pre style="border: 0; font-family: Consolas, Menlo, &quot;Liberation Mono&quot;, Courier, monospace; line-height: 1.2; margin: 0; padding: 0.5em; white-space: normal; width: auto"><span class="diff-header" style="background-color: #eaf2f5; color: #999999; display: block; white-space: pre">  Modified: lib/pat.c (+40 -39)</span>
<span class="diff-header-mark" style="background-color: #eaf2f5; color: #999999; display: block; white-space: pre">===================================================================</span>
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<pre style="border: 0; font-family: Consolas, Menlo, &quot;Liberation Mono&quot;, Courier, monospace; line-height: 1.2; margin: 0; padding: 0.5em; white-space: normal; width: auto"><span class="diff-line-number-hunk-header" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/a83a10754026eeae5cd97b6757e4cf48a5838f35#diff-e8f58132837f95fac7913a81cae2265fL1680">...</a></span>
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<span class="diff-line-number-deleted" style="background-color: #ffdddd; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/a83a10754026eeae5cd97b6757e4cf48a5838f35#diff-e8f58132837f95fac7913a81cae2265fL1725">1725</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/a83a10754026eeae5cd97b6757e4cf48a5838f35#diff-e8f58132837f95fac7913a81cae2265fL1726">1726</a></span>
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<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/a83a10754026eeae5cd97b6757e4cf48a5838f35#diff-e8f58132837f95fac7913a81cae2265fL1727">1727</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/a83a10754026eeae5cd97b6757e4cf48a5838f35#diff-e8f58132837f95fac7913a81cae2265fL1728">1728</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/a83a10754026eeae5cd97b6757e4cf48a5838f35#diff-e8f58132837f95fac7913a81cae2265fL1729">1729</a></span>
</pre>
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<pre style="border: 0; font-family: Consolas, Menlo, &quot;Liberation Mono&quot;, Courier, monospace; line-height: 1.2; margin: 0; padding: 0.5em; white-space: normal; width: auto"><span class="diff-line-number-hunk-header" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/a83a10754026eeae5cd97b6757e4cf48a5838f35#diff-e8f58132837f95fac7913a81cae2265fR1680">...</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/a83a10754026eeae5cd97b6757e4cf48a5838f35#diff-e8f58132837f95fac7913a81cae2265fR1681">1681</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/a83a10754026eeae5cd97b6757e4cf48a5838f35#diff-e8f58132837f95fac7913a81cae2265fR1682">1682</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/a83a10754026eeae5cd97b6757e4cf48a5838f35#diff-e8f58132837f95fac7913a81cae2265fR1683">1683</a></span>
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<span class="diff-line-number-added" style="background-color: #dbffdb; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/a83a10754026eeae5cd97b6757e4cf48a5838f35#diff-e8f58132837f95fac7913a81cae2265fR1684">1684</a></span>
<span class="diff-line-number-added" style="background-color: #dbffdb; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/a83a10754026eeae5cd97b6757e4cf48a5838f35#diff-e8f58132837f95fac7913a81cae2265fR1685">1685</a></span>
<span class="diff-line-number-added" style="background-color: #dbffdb; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/a83a10754026eeae5cd97b6757e4cf48a5838f35#diff-e8f58132837f95fac7913a81cae2265fR1686">1686</a></span>
<span class="diff-line-number-added" style="background-color: #dbffdb; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/a83a10754026eeae5cd97b6757e4cf48a5838f35#diff-e8f58132837f95fac7913a81cae2265fR1687">1687</a></span>
<span class="diff-line-number-added" style="background-color: #dbffdb; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/a83a10754026eeae5cd97b6757e4cf48a5838f35#diff-e8f58132837f95fac7913a81cae2265fR1688">1688</a></span>
<span class="diff-line-number-added" style="background-color: #dbffdb; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/a83a10754026eeae5cd97b6757e4cf48a5838f35#diff-e8f58132837f95fac7913a81cae2265fR1689">1689</a></span>
<span class="diff-line-number-added" style="background-color: #dbffdb; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/a83a10754026eeae5cd97b6757e4cf48a5838f35#diff-e8f58132837f95fac7913a81cae2265fR1690">1690</a></span>
<span class="diff-line-number-added" style="background-color: #dbffdb; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/a83a10754026eeae5cd97b6757e4cf48a5838f35#diff-e8f58132837f95fac7913a81cae2265fR1691">1691</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/a83a10754026eeae5cd97b6757e4cf48a5838f35#diff-e8f58132837f95fac7913a81cae2265fR1692">1692</a></span>
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<span class="diff-line-number-added" style="background-color: #dbffdb; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/a83a10754026eeae5cd97b6757e4cf48a5838f35#diff-e8f58132837f95fac7913a81cae2265fR1693">1693</a></span>
<span class="diff-line-number-added" style="background-color: #dbffdb; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/a83a10754026eeae5cd97b6757e4cf48a5838f35#diff-e8f58132837f95fac7913a81cae2265fR1694">1694</a></span>
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<span class="diff-line-number-added" style="background-color: #dbffdb; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/a83a10754026eeae5cd97b6757e4cf48a5838f35#diff-e8f58132837f95fac7913a81cae2265fR1725">1725</a></span>
<span class="diff-line-number-added" style="background-color: #dbffdb; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/a83a10754026eeae5cd97b6757e4cf48a5838f35#diff-e8f58132837f95fac7913a81cae2265fR1726">1726</a></span>
<span class="diff-line-number-added" style="background-color: #dbffdb; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/a83a10754026eeae5cd97b6757e4cf48a5838f35#diff-e8f58132837f95fac7913a81cae2265fR1727">1727</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/a83a10754026eeae5cd97b6757e4cf48a5838f35#diff-e8f58132837f95fac7913a81cae2265fR1728">1728</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/a83a10754026eeae5cd97b6757e4cf48a5838f35#diff-e8f58132837f95fac7913a81cae2265fR1729">1729</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/a83a10754026eeae5cd97b6757e4cf48a5838f35#diff-e8f58132837f95fac7913a81cae2265fR1730">1730</a></span>
</pre>
            </th>
            <td class="diff-content" style="border: 1px solid #aaa">
<pre style="border: 0; font-family: Consolas, Menlo, &quot;Liberation Mono&quot;, Courier, monospace; line-height: 1.2; margin: 0; padding: 0.5em; white-space: normal; width: auto"><span class="diff-hunk-header" style="background-color: #eaf2f5; color: #999999; display: block; white-space: pre">@@ -1681,49 +1681,50 @@ <span class="diff-context" style="background-color: #ffffaa; color: #000000">grn_pat_cursor_next(grn_ctx *ctx, grn_pat_cursor *c)</span></span>
<span class="diff-not-changed" style="display: block; white-space: pre">     int check = se-&gt;check, ch;</span>
<span class="diff-not-changed" style="display: block; white-space: pre">     while (id) {</span>
<span class="diff-not-changed" style="display: block; white-space: pre">       PAT_AT(c-&gt;pat, id, node);</span>
<span class="diff-deleted" style="background-color: #ffdddd; color: #000000; display: block; white-space: pre">-      if (node) {</span>
<span class="diff-deleted" style="background-color: #ffdddd; color: #000000; display: block; white-space: pre">-        ch = PAT_CHK(node);</span>
<span class="diff-deleted" style="background-color: #ffdddd; color: #000000; display: block; white-space: pre">-        if (ch &gt; check) {</span>
<span class="diff-deleted" style="background-color: #ffdddd; color: #000000; display: block; white-space: pre">-          if (c-&gt;obj.header.flags &amp; GRN_CURSOR_DESCENDING) {</span>
<span class="diff-deleted" style="background-color: #ffdddd; color: #000000; display: block; white-space: pre">-            push(c, node-&gt;lr[0], ch);</span>
<span class="diff-deleted" style="background-color: #ffdddd; color: #000000; display: block; white-space: pre">-            id = node-&gt;lr[1];</span>
<span class="diff-deleted" style="background-color: #ffdddd; color: #000000; display: block; white-space: pre">-          } else {</span>
<span class="diff-deleted" style="background-color: #ffdddd; color: #000000; display: block; white-space: pre">-            push(c, node-&gt;lr[1], ch);</span>
<span class="diff-deleted" style="background-color: #ffdddd; color: #000000; display: block; white-space: pre">-            id = node-&gt;lr[0];</span>
<span class="diff-deleted" style="background-color: #ffdddd; color: #000000; display: block; white-space: pre">-          }</span>
<span class="diff-deleted" style="background-color: #ffdddd; color: #000000; display: block; white-space: pre">-          check = ch;</span>
<span class="diff-deleted" style="background-color: #ffdddd; color: #000000; display: block; white-space: pre">-          continue;</span>
<span class="diff-added" style="background-color: #dbffdb; color: #000000; display: block; white-space: pre">+      if (!node) {</span>
<span class="diff-added" style="background-color: #dbffdb; color: #000000; display: block; white-space: pre">+        break;</span>
<span class="diff-added" style="background-color: #dbffdb; color: #000000; display: block; white-space: pre">+      }</span>
<span class="diff-added" style="background-color: #dbffdb; color: #000000; display: block; white-space: pre">+      ch = PAT_CHK(node);</span>
<span class="diff-added" style="background-color: #dbffdb; color: #000000; display: block; white-space: pre">+      if (ch &gt; check) {</span>
<span class="diff-added" style="background-color: #dbffdb; color: #000000; display: block; white-space: pre">+        if (c-&gt;obj.header.flags &amp; GRN_CURSOR_DESCENDING) {</span>
<span class="diff-added" style="background-color: #dbffdb; color: #000000; display: block; white-space: pre">+          push(c, node-&gt;lr[0], ch);</span>
<span class="diff-added" style="background-color: #dbffdb; color: #000000; display: block; white-space: pre">+          id = node-&gt;lr[1];</span>
<span class="diff-not-changed" style="display: block; white-space: pre">         } else {</span>
<span class="diff-deleted" style="background-color: #ffdddd; color: #000000; display: block; white-space: pre">-          if (id == c-&gt;tail) {</span>
<span class="diff-deleted" style="background-color: #ffdddd; color: #000000; display: block; white-space: pre">-            c-&gt;sp = 0;</span>
<span class="diff-deleted" style="background-color: #ffdddd; color: #000000; display: block; white-space: pre">-          } else {</span>
<span class="diff-deleted" style="background-color: #ffdddd; color: #000000; display: block; white-space: pre">-            if (!c-&gt;curr_rec &amp;&amp; c-&gt;tail) {</span>
<span class="diff-deleted" style="background-color: #ffdddd; color: #000000; display: block; white-space: pre">-              uint32_t lmin, lmax;</span>
<span class="diff-deleted" style="background-color: #ffdddd; color: #000000; display: block; white-space: pre">-              pat_node *nmin, *nmax;</span>
<span class="diff-deleted" style="background-color: #ffdddd; color: #000000; display: block; white-space: pre">-              const uint8_t *kmin, *kmax;</span>
<span class="diff-deleted" style="background-color: #ffdddd; color: #000000; display: block; white-space: pre">-              if (c-&gt;obj.header.flags &amp; GRN_CURSOR_DESCENDING) {</span>
<span class="diff-deleted" style="background-color: #ffdddd; color: #000000; display: block; white-space: pre">-                PAT_AT(c-&gt;pat, c-&gt;tail, nmin);</span>
<span class="diff-deleted" style="background-color: #ffdddd; color: #000000; display: block; white-space: pre">-                PAT_AT(c-&gt;pat, id, nmax);</span>
<span class="diff-deleted" style="background-color: #ffdddd; color: #000000; display: block; white-space: pre">-              } else {</span>
<span class="diff-deleted" style="background-color: #ffdddd; color: #000000; display: block; white-space: pre">-                PAT_AT(c-&gt;pat, id, nmin);</span>
<span class="diff-deleted" style="background-color: #ffdddd; color: #000000; display: block; white-space: pre">-                PAT_AT(c-&gt;pat, c-&gt;tail, nmax);</span>
<span class="diff-deleted" style="background-color: #ffdddd; color: #000000; display: block; white-space: pre">-              }</span>
<span class="diff-deleted" style="background-color: #ffdddd; color: #000000; display: block; white-space: pre">-              lmin = PAT_LEN(nmin);</span>
<span class="diff-deleted" style="background-color: #ffdddd; color: #000000; display: block; white-space: pre">-              lmax = PAT_LEN(nmax);</span>
<span class="diff-deleted" style="background-color: #ffdddd; color: #000000; display: block; white-space: pre">-              kmin = pat_node_get_key(ctx, c-&gt;pat, nmin);</span>
<span class="diff-deleted" style="background-color: #ffdddd; color: #000000; display: block; white-space: pre">-              kmax = pat_node_get_key(ctx, c-&gt;pat, nmax);</span>
<span class="diff-deleted" style="background-color: #ffdddd; color: #000000; display: block; white-space: pre">-              if ((lmin &lt; lmax) ?</span>
<span class="diff-deleted" style="background-color: #ffdddd; color: #000000; display: block; white-space: pre">-                  (memcmp(kmin, kmax, lmin) &gt; 0) :</span>
<span class="diff-deleted" style="background-color: #ffdddd; color: #000000; display: block; white-space: pre">-                  (memcmp(kmin, kmax, lmax) &gt;= 0)) {</span>
<span class="diff-deleted" style="background-color: #ffdddd; color: #000000; display: block; white-space: pre">-                c-&gt;sp = 0;</span>
<span class="diff-deleted" style="background-color: #ffdddd; color: #000000; display: block; white-space: pre">-                break;</span>
<span class="diff-deleted" style="background-color: #ffdddd; color: #000000; display: block; white-space: pre">-              }</span>
<span class="diff-added" style="background-color: #dbffdb; color: #000000; display: block; white-space: pre">+          push(c, node-&gt;lr[1], ch);</span>
<span class="diff-added" style="background-color: #dbffdb; color: #000000; display: block; white-space: pre">+          id = node-&gt;lr[0];</span>
<span class="diff-added" style="background-color: #dbffdb; color: #000000; display: block; white-space: pre">+        }</span>
<span class="diff-added" style="background-color: #dbffdb; color: #000000; display: block; white-space: pre">+        check = ch;</span>
<span class="diff-added" style="background-color: #dbffdb; color: #000000; display: block; white-space: pre">+        continue;</span>
<span class="diff-added" style="background-color: #dbffdb; color: #000000; display: block; white-space: pre">+      } else {</span>
<span class="diff-added" style="background-color: #dbffdb; color: #000000; display: block; white-space: pre">+        if (id == c-&gt;tail) {</span>
<span class="diff-added" style="background-color: #dbffdb; color: #000000; display: block; white-space: pre">+          c-&gt;sp = 0;</span>
<span class="diff-added" style="background-color: #dbffdb; color: #000000; display: block; white-space: pre">+        } else {</span>
<span class="diff-added" style="background-color: #dbffdb; color: #000000; display: block; white-space: pre">+          if (!c-&gt;curr_rec &amp;&amp; c-&gt;tail) {</span>
<span class="diff-added" style="background-color: #dbffdb; color: #000000; display: block; white-space: pre">+            uint32_t lmin, lmax;</span>
<span class="diff-added" style="background-color: #dbffdb; color: #000000; display: block; white-space: pre">+            pat_node *nmin, *nmax;</span>
<span class="diff-added" style="background-color: #dbffdb; color: #000000; display: block; white-space: pre">+            const uint8_t *kmin, *kmax;</span>
<span class="diff-added" style="background-color: #dbffdb; color: #000000; display: block; white-space: pre">+            if (c-&gt;obj.header.flags &amp; GRN_CURSOR_DESCENDING) {</span>
<span class="diff-added" style="background-color: #dbffdb; color: #000000; display: block; white-space: pre">+              PAT_AT(c-&gt;pat, c-&gt;tail, nmin);</span>
<span class="diff-added" style="background-color: #dbffdb; color: #000000; display: block; white-space: pre">+              PAT_AT(c-&gt;pat, id, nmax);</span>
<span class="diff-added" style="background-color: #dbffdb; color: #000000; display: block; white-space: pre">+            } else {</span>
<span class="diff-added" style="background-color: #dbffdb; color: #000000; display: block; white-space: pre">+              PAT_AT(c-&gt;pat, id, nmin);</span>
<span class="diff-added" style="background-color: #dbffdb; color: #000000; display: block; white-space: pre">+              PAT_AT(c-&gt;pat, c-&gt;tail, nmax);</span>
<span class="diff-added" style="background-color: #dbffdb; color: #000000; display: block; white-space: pre">+            }</span>
<span class="diff-added" style="background-color: #dbffdb; color: #000000; display: block; white-space: pre">+            lmin = PAT_LEN(nmin);</span>
<span class="diff-added" style="background-color: #dbffdb; color: #000000; display: block; white-space: pre">+            lmax = PAT_LEN(nmax);</span>
<span class="diff-added" style="background-color: #dbffdb; color: #000000; display: block; white-space: pre">+            kmin = pat_node_get_key(ctx, c-&gt;pat, nmin);</span>
<span class="diff-added" style="background-color: #dbffdb; color: #000000; display: block; white-space: pre">+            kmax = pat_node_get_key(ctx, c-&gt;pat, nmax);</span>
<span class="diff-added" style="background-color: #dbffdb; color: #000000; display: block; white-space: pre">+            if ((lmin &lt; lmax) ?</span>
<span class="diff-added" style="background-color: #dbffdb; color: #000000; display: block; white-space: pre">+                (memcmp(kmin, kmax, lmin) &gt; 0) :</span>
<span class="diff-added" style="background-color: #dbffdb; color: #000000; display: block; white-space: pre">+                (memcmp(kmin, kmax, lmax) &gt;= 0)) {</span>
<span class="diff-added" style="background-color: #dbffdb; color: #000000; display: block; white-space: pre">+              c-&gt;sp = 0;</span>
<span class="diff-added" style="background-color: #dbffdb; color: #000000; display: block; white-space: pre">+              break;</span>
<span class="diff-not-changed" style="display: block; white-space: pre">             }</span>
<span class="diff-not-changed" style="display: block; white-space: pre">           }</span>
<span class="diff-deleted" style="background-color: #ffdddd; color: #000000; display: block; white-space: pre">-          c-&gt;curr_rec = id;</span>
<span class="diff-deleted" style="background-color: #ffdddd; color: #000000; display: block; white-space: pre">-          c-&gt;rest--;</span>
<span class="diff-deleted" style="background-color: #ffdddd; color: #000000; display: block; white-space: pre">-          return id;</span>
<span class="diff-not-changed" style="display: block; white-space: pre">         }</span>
<span class="diff-added" style="background-color: #dbffdb; color: #000000; display: block; white-space: pre">+        c-&gt;curr_rec = id;</span>
<span class="diff-added" style="background-color: #dbffdb; color: #000000; display: block; white-space: pre">+        c-&gt;rest--;</span>
<span class="diff-added" style="background-color: #dbffdb; color: #000000; display: block; white-space: pre">+        return id;</span>
<span class="diff-not-changed" style="display: block; white-space: pre">       }</span>
<span class="diff-not-changed" style="display: block; white-space: pre">     }</span>
<span class="diff-not-changed" style="display: block; white-space: pre">   }</span>
</pre>
            </td>
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        </tbody>
      </table>
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