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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">2013-06-26 18:22:24 +0900 (Wed, 26 Jun 2013)</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/fbae529a8fcf137137c6c017593a9462730fb115">fbae529a8fcf137137c6c017593a9462730fb115</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">Report error instead of SEGV when an error is occurred in function</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/fbae529a8fcf137137c6c017593a9462730fb115#diff-0">lib/expr.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/expr.c (+3 -0)</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/fbae529a8fcf137137c6c017593a9462730fb115#L0L2642">...</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/fbae529a8fcf137137c6c017593a9462730fb115#L0L2643">2643</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/fbae529a8fcf137137c6c017593a9462730fb115#L0L2644">2644</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/fbae529a8fcf137137c6c017593a9462730fb115#L0L2645">2645</a></span>
<span class="diff-line-number-nothing" style="display: block; white-space: pre">&nbsp;</span>
<span class="diff-line-number-nothing" style="display: block; white-space: pre">&nbsp;</span>
<span class="diff-line-number-nothing" style="display: block; white-space: pre">&nbsp;</span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/fbae529a8fcf137137c6c017593a9462730fb115#L0L2646">2646</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/fbae529a8fcf137137c6c017593a9462730fb115#L0L2647">2647</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/fbae529a8fcf137137c6c017593a9462730fb115#L0L2648">2648</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/fbae529a8fcf137137c6c017593a9462730fb115#L0R2642">...</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/fbae529a8fcf137137c6c017593a9462730fb115#L0R2643">2643</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/fbae529a8fcf137137c6c017593a9462730fb115#L0R2644">2644</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/fbae529a8fcf137137c6c017593a9462730fb115#L0R2645">2645</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/fbae529a8fcf137137c6c017593a9462730fb115#L0R2646">2646</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/fbae529a8fcf137137c6c017593a9462730fb115#L0R2647">2647</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/fbae529a8fcf137137c6c017593a9462730fb115#L0R2648">2648</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/fbae529a8fcf137137c6c017593a9462730fb115#L0R2649">2649</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/fbae529a8fcf137137c6c017593a9462730fb115#L0R2650">2650</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/fbae529a8fcf137137c6c017593a9462730fb115#L0R2651">2651</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">@@ -2643,6 +2643,9 @@ <span class="diff-context" style="background-color: #ffffaa; color: #000000">grn_expr_exec(grn_ctx *ctx, grn_obj *expr, int nargs)</span></span>
<span class="diff-not-changed" style="display: block; white-space: pre">             WITH_SPSAVE({</span>
<span class="diff-not-changed" style="display: block; white-space: pre">               grn_proc_call(ctx, proc, code-&gt;nargs, expr);</span>
<span class="diff-not-changed" style="display: block; white-space: pre">             });</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+            if (ctx-&gt;rc) {</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+              goto exit;</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">             POP1(res);</span>
<span class="diff-not-changed" style="display: block; white-space: pre">             {</span>
<span class="diff-not-changed" style="display: block; white-space: pre">               grn_obj *proc_;</span>
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