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Full Discussion: Memory fault(Coredump)
Top Forums UNIX for Advanced & Expert Users Memory fault(Coredump) Post 302666671 by shilpa_20 on Thursday 5th of July 2012 03:26:30 AM
Old 07-05-2012
Memory fault(Coredump)
Hi,

In my application we have one job which is used to process the files. But that job is failing with memory fault while processing a file or while shutting down the job. Sometime it generates the coredump and sometimes not. When I analysed the core dump I got below code snippet where it failed,

Code:
if ( addlUsage.pParamVal != NULL )
      {
                free (addlUsage.pParamVal);
                addlUsage.pParamVal = NULL;
      }

It failed while trying to free memory 'free (addlUsage.pParamVal);'.

When I analyzed the addlUsage.pParamVal value then I got one junk character at the end. So I added the \0 at the end after allocating the memory for it (o_pADUbuffer in below code is addlUsage) and then copied required value to addlUsage.pParamVal . Please see below,

Code:
lenOfVarADU = sizeOfAddlUsage - sizeOfFixedAddlUsage;
o_pADUbuffer->pParamVal = (char *)malloc((sizeOfAddlUsage - sizeOfFixedAddlUsage) + 1);
o_pADUbuffer->pParamVal[lenOfVarADU] = '\0';
 
memcpy(o_pADUbuffer->pParamVal, temp_buf + inputBuffPosIndx,
                   (sizeOfAddlUsage - sizeOfFixedAddlUsage));

But still I am getting same issue.

Please help....Thanks in advance.
Last edited by Scrutinizer; 07-05-2012 at 04:37 AM.. Reason: code tags
 

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LEARN ABOUT OSX

locale::codes::langvar

Locale::Codes::LangVar(3pm)				 Perl Programmers Reference Guide			       Locale::Codes::LangVar(3pm)

NAME

       Locale::Codes::LangVar - standard codes for language variation identification

SYNOPSIS

	  use Locale::Codes::LangVar;

	  $lvar = code2langvar('acm');		       # $lvar gets 'Mesopotamian Arabic'
	  $code = langvar2code('Mesopotamian Arabic'); # $code gets 'acm'

	  @codes   = all_langvar_codes();
	  @names   = all_langvar_names();

DESCRIPTION

       The "Locale::Codes::LangVar" module provides access to standard codes used for identifying language variations, such as those as defined in
       the IANA language registry.

       Most of the routines take an optional additional argument which specifies the code set to use. If not specified, the default IANA language
       registry codes will be used.

SUPPORTED CODE SETS

       There are several different code sets you can use for identifying language variations. A code set may be specified using either a name, or
       a constant that is automatically exported by this module.

       For example, the two are equivalent:

	  $lvar = code2langvar('en','alpha-2');
	  $lvar = code2langvar('en',LOCALE_CODE_ALPHA_2);

       The codesets currently supported are:

       alpha
	   This is the set of alphanumeric codes from the IANA language registry, such as 'arevela' for Eastern Armenian.

	   This code set is identified with the symbol "LOCALE_LANGVAR_ALPHA".

	   This is the default code set.

ROUTINES

       code2langvar ( CODE [,CODESET] )
       langvar2code ( NAME [,CODESET] )
       langvar_code2code ( CODE ,CODESET ,CODESET2 )
       all_langvar_codes ( [CODESET] )
       all_langvar_names ( [CODESET] )
       Locale::Codes::LangVar::rename_langvar  ( CODE ,NEW_NAME [,CODESET] )
       Locale::Codes::LangVar::add_langvar  ( CODE ,NAME [,CODESET] )
       Locale::Codes::LangVar::delete_langvar  ( CODE [,CODESET] )
       Locale::Codes::LangVar::add_langvar_alias  ( NAME ,NEW_NAME )
       Locale::Codes::LangVar::delete_langvar_alias  ( NAME )
       Locale::Codes::LangVar::rename_langvar_code  ( CODE ,NEW_CODE [,CODESET] )
       Locale::Codes::LangVar::add_langvar_code_alias  ( CODE ,NEW_CODE [,CODESET] )
       Locale::Codes::LangVar::delete_langvar_code_alias  ( CODE [,CODESET] )
	   These routines are all documented in the Locale::Codes::API man page.

SEE ALSO

       Locale::Codes
	   The Locale-Codes distribution.

       Locale::Codes::API
	   The list of functions supported by this module.

       http://www.iana.org/assignments/language-subtag-registry
	   The IANA language subtag registry.

AUTHOR

       See Locale::Codes for full author history.

       Currently maintained by Sullivan Beck (sbeck@cpan.org).

COPYRIGHT

	  Copyright (c) 2011-2012 Sullivan Beck

       This module is free software; you can redistribute it and/or modify it under the same terms as Perl itself.

perl v5.16.2							    2012-10-11					       Locale::Codes::LangVar(3pm)
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