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From "Mirko Wischer (JIRA)" <j...@apache.org>
Subject [jira] Commented: (AXIS2C-1486) ADB generated code generates memory leak
Date Mon, 12 Jul 2010 09:22:50 GMT

    [ https://issues.apache.org/jira/browse/AXIS2C-1486?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12887322#action_12887322
] 

Mirko Wischer commented on AXIS2C-1486:
---------------------------------------

I first added this issue to AXIS2 ADB component but this was wrong (see AXIS2-4225)

> ADB generated code generates memory leak
> ----------------------------------------
>
>                 Key: AXIS2C-1486
>                 URL: https://issues.apache.org/jira/browse/AXIS2C-1486
>             Project: Axis2-C
>          Issue Type: Bug
>          Components: code generation
>    Affects Versions: 1.4.1
>         Environment: Win32
>            Reporter: Mirko Wischer
>         Attachments: CADBBeanTemplateSource_trunk.xsl.diff
>
>
> The xslt used for transforming to C Code (CADBBeanTemplateSource.xsl) creates a memory
leak:
> Code created for adb_..._serialize(..) contains a memory leak for the following types:
> - axutil_date_time_t
> - axutil_base64_binary_t
> The XSLT uses axutil_base64_binary_get_encoded_binary() and axutil_date_time_serialize_date_time()
for creating
> textual representations. After writing these texts to the stream the start and end tags
are freed but the
> the generated code never releases the base64 text or data_time text:
> Look at the follown snippet from the trunk version of the XSLT:
> (starting at Line: 4435)
>                         <xsl:when test="$nativePropertyType='axutil_date_time_t*'">
>                           text_value_<xsl:value-of select="$position"/> = axutil_date_time_serialize_date_time(<xsl:value-of
select="$propertyInstanceName"/>, env);
>                            <xsl:if test="$anon or $istype">
>                            axutil_stream_write(stream, env, start_input_str, start_input_str_len);
>                            </xsl:if>
>                            axutil_stream_write(stream, env, text_value_<xsl:value-of
select="$position"/>, axutil_strlen(text_value_<xsl:value-of select="$position"/>));
> ---> MISSING FREE AT THIS POSITION: AXIS2_FREE(env->allocator, text_value_<xsl:value-of
select="$position"/>);
>                            <xsl:if test="$anon or $istype">
>                            axutil_stream_write(stream, env, end_input_str, end_input_str_len);
>                            </xsl:if>
>                         </xsl:when>
> And starting at line: 4446
>                       <xsl:when test="$propertyType='axutil_base64_binary_t*'">
>                           text_value_<xsl:value-of select="$position"/> =axutil_base64_binary_get_encoded_binary(<xsl:value-of
select="$propertyInstanceName"/>, env);
>                            <xsl:if test="$anon or $istype">
>                            axutil_stream_write(stream, env, start_input_str, start_input_str_len);
>                            </xsl:if>
>                            axutil_stream_write(stream, env, text_value_<xsl:value-of
select="$position"/>, axutil_strlen(text_value_<xsl:value-of select="$position"/>));
----> MISSING FREE HERE: AXIS2_FREE(env->allocator, text_value_<xsl:value-of select="$position"/>);
>                            <xsl:if test="$anon or $istype">
>                            axutil_stream_write(stream, env, end_input_str, end_input_str_len);
>                            </xsl:if>
>                         </xsl:when>
> Patch for trunk is included as DIFF file ( this also contains a fix for compiling with
Visual Studio C Compiler)

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