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      <dt style="clear: both; float: left; font-weight: bold; width: 8em">Author</dt>
      <dd style="margin-left: 8.5em">Kouhei Sutou &lt;kou****@clear*****&gt;</dd>
      <dt style="clear: both; float: left; font-weight: bold; width: 8em">Date</dt>
      <dd style="margin-left: 8.5em">2015-04-23 18:06:39 +0900 (Thu, 23 Apr 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/705d347cbec47d2c29752801e481e439e50948e6">705d347cbec47d2c29752801e481e439e50948e6</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">pat: support custom segment size by environment variable

Environment variable name is GRN_PAT_SEGMENT_SIZE.</pre></dd>
      <dt style="clear: both; float: left; font-weight: bold; width: 8em">Modified files</dt>
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          <li><a href="https://github.com/groonga/groonga/commit/705d347cbec47d2c29752801e481e439e50948e6#diff-0">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 (+13 -2)</span>
<span class="diff-header-mark" style="background-color: #eaf2f5; color: #999999; display: block; white-space: pre">===================================================================</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/705d347cbec47d2c29752801e481e439e50948e6#L0L406">406</a></span>
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<span class="diff-line-number-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/705d347cbec47d2c29752801e481e439e50948e6#L0L409">409</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/705d347cbec47d2c29752801e481e439e50948e6#L0L410">410</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/705d347cbec47d2c29752801e481e439e50948e6#L0L411">411</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/705d347cbec47d2c29752801e481e439e50948e6#L0L412">412</a></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/705d347cbec47d2c29752801e481e439e50948e6#L0R404">...</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/705d347cbec47d2c29752801e481e439e50948e6#L0R405">405</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/705d347cbec47d2c29752801e481e439e50948e6#L0R406">406</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/705d347cbec47d2c29752801e481e439e50948e6#L0R407">407</a></span>
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<span class="diff-line-number-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/705d347cbec47d2c29752801e481e439e50948e6#L0R409">409</a></span>
<span class="diff-line-number-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/705d347cbec47d2c29752801e481e439e50948e6#L0R410">410</a></span>
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<span class="diff-line-number-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/705d347cbec47d2c29752801e481e439e50948e6#L0R414">414</a></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-hunk-header" style="background-color: #eaf2f5; color: #999999; display: block; white-space: pre">@@ -405,8 +405,19 @@ <span class="diff-context" style="background-color: #ffffaa; color: #000000">_grn_pat_create(grn_ctx *ctx, grn_pat *pat,</span></span>
<span class="diff-not-changed" style="display: block; white-space: pre">     array_spec[segment_pat].max_n_segments = 1 &lt;&lt; (30 - (22 - 4));</span>
<span class="diff-not-changed" style="display: block; white-space: pre">     array_spec[segment_sis].w_of_element = w_of_element;</span>
<span class="diff-not-changed" style="display: block; white-space: pre">     array_spec[segment_sis].max_n_segments = 1 &lt;&lt; (30 - (22 - w_of_element));</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-    io = grn_io_create_with_array(ctx, path, sizeof(struct grn_pat_header),</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-                                  GRN_PAT_SEGMENT_SIZE, grn_io_auto, 3, array_spec);</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+    {</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+      uint32_t segment_size = GRN_PAT_SEGMENT_SIZE;</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+      char segment_size_env[GRN_ENV_BUFFER_SIZE];</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+      grn_getenv(&quot;GRN_PAT_SEGMENT_SIZE&quot;, segment_size_env, GRN_ENV_BUFFER_SIZE);</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+      if (segment_size_env[0]) {</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+        segment_size = grn_atoui(segment_size_env,</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+                                 segment_size_env + strlen(segment_size_env),</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+                                 NULL);</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+      }</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+      io = grn_io_create_with_array(ctx, path, sizeof(struct grn_pat_header),</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+                                    segment_size,</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+                                    grn_io_auto, 3, array_spec);</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; 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">   if (!io) { return NULL; }</span>
<span class="diff-not-changed" style="display: block; white-space: pre">   if (encoding == GRN_ENC_DEFAULT) { encoding = grn_gctx.encoding; }</span>
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