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    <link>https://jira.mongodb.org</link>
    <description>This file is an XML representation of an issue</description>
    <language>en-us</language>    <build-info>
        <version>9.7.1</version>
        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[CDRIVER-4091] Truncation in strncpy() causes build error</title>
                <link>https://jira.mongodb.org/browse/CDRIVER-4091</link>
                <project id="10030" key="CDRIVER">C Driver</project>
                    <description>&lt;p&gt;gcc complains that because the destination length is computed based on the source string, the trailing NULL won&apos;t be copied:&lt;/p&gt;

&lt;p&gt;test-&amp;gt;cursor_ns = (char *) bson_malloc0 (strlen (temp)); &lt;br/&gt;
strncpy (test-&amp;gt;cursor_ns, temp, strlen (temp));&lt;/p&gt;

&lt;p&gt;&#160;&lt;/p&gt;

&lt;p&gt;&#160;&lt;/p&gt;</description>
                <environment></environment>
        <key id="1822649">CDRIVER-4091</key>
            <summary>Truncation in strncpy() causes build error</summary>
                <type id="1" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14703&amp;avatarType=issuetype">Bug</type>
                                            <priority id="10300" iconUrl="https://jira.mongodb.org/images/icons/priorities/medium.svg">Unknown</priority>
                        <status id="6" iconUrl="https://jira.mongodb.org/images/icons/statuses/closed.png" description="The issue is considered finished, the resolution is correct. Issues which are closed can be reopened.">Closed</status>
                    <statusCategory id="3" key="done" colorName="success"/>
                                    <resolution id="13201">Fixed</resolution>
                                        <assignee username="jesse.williamson@mongodb.com">Jesse Williamson</assignee>
                                    <reporter username="jesse.williamson@mongodb.com">Jesse Williamson</reporter>
                        <labels>
                    </labels>
                <created>Fri, 16 Jul 2021 18:15:53 +0000</created>
                <updated>Sat, 28 Oct 2023 11:28:23 +0000</updated>
                            <resolved>Mon, 26 Jul 2021 19:16:28 +0000</resolved>
                                                    <fixVersion>1.19.0</fixVersion>
                                    <component>Build</component>
                    <component>errors</component>
                                        <votes>0</votes>
                                    <watches>1</watches>
                                                                                                                <comments>
                            <comment id="3950847" author="xgen-internal-githook" created="Mon, 19 Jul 2021 23:05:58 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Jesse Williamson&apos;, &apos;email&apos;: &apos;nerd.cpp@gmail.com&apos;, &apos;username&apos;: &apos;chardan&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/CDRIVER-4091&quot; title=&quot;Truncation in strncpy() causes build error&quot; class=&quot;issue-link&quot; data-issue-key=&quot;CDRIVER-4091&quot;&gt;&lt;del&gt;CDRIVER-4091&lt;/del&gt;&lt;/a&gt; - Truncation in strncpy() causes build error (#829)&lt;/p&gt;

&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/browse/CDRIVER-4091&quot; class=&quot;external-link&quot; rel=&quot;nofollow&quot;&gt;https://jira.mongodb.org/browse/CDRIVER-4091&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;gcc 9.3.0 complains that because the strncpy() call uses the source&apos;s size as a bound,&lt;br/&gt;
the trailing NULL will not be copied.&lt;/p&gt;

&lt;p&gt;Replaced with:&lt;br/&gt;
updated allocation size of destination to include room for the NULL character&lt;br/&gt;
eliminated redundant srlen()&lt;br/&gt;
changed strncpy() call to strcpy(), which includes the trailing NULL&lt;/p&gt;

&lt;p&gt;Signed-off-by: Jesse Williamson &amp;lt;jesse.williamson@mongodb.com&amp;gt;&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo-c-driver/commit/7c12ebcf44a1ea08b3dc792a4bd17a9257dc2a21&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo-c-driver/commit/7c12ebcf44a1ea08b3dc792a4bd17a9257dc2a21&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="3947887" author="JIRAUSER1261121" created="Fri, 16 Jul 2021 20:40:50 +0000"  >&lt;p&gt;&lt;a href=&quot;https://github.com/mongodb/mongo-c-driver/pull/829&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo-c-driver/pull/829&lt;/a&gt;&lt;/p&gt;</comment>
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