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Re: [bug-mailutils] Re: How get_attachment_name from multiline Content-

From: Kostik
Subject: Re: [bug-mailutils] Re: How get_attachment_name from multiline Content-Disposition?
Date: Thu, 08 Apr 2010 12:31:22 +0400
User-agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv: Gecko/20100228 Thunderbird/ Mnenhy/

Kostik wrote:
>> Nope.  I've forgotten to inform you (or, better said, supposed
>> you to have paid attention to the ChangeLog, alias git log.  It's a rule
>> of thumb now, that you've cloned the repo): use
>> mu_message_aget_decoded_attachment_name, which does all the dirty 
>> work for you.  E.g.:

Sergey, mu_message_aget_decoded_attachment_name() works well, but
"segmentation fault" for filename*0*, filename*1*,... from my previous

gdb backtrace:
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0xb7e6db90 (LWP 31000)]
0xb7ed88a3 in malloc_consolidate () from /lib/libc.so.6
(gdb) bt
#0  0xb7ed88a3 in malloc_consolidate () from /lib/libc.so.6
#1  0xb7eda363 in _int_free () from /lib/libc.so.6
#2  0xb7ede010 in free () from /lib/libc.so.6
#3  0x08057334 in _get_attachment_name (msg=<value optimized out>,
    buf=0x8cf0d58 "attachment;
filename*2*=%B3%2E%20%D0%9A%D0%B8%D1%81"..., bufsz=3086713120,
pbuf=0xb7e6b7c0, sz=0x0, pflags=0xb7e6b7bc) at mimehdr.c:564
#4  0x08057478 in mu_message_aget_decoded_attachment_name (msg=0x8ce7bb0,
charset=0x807750c "UTF-8", pval=0xb7e6b9f4, plang=0x0) at mimehdr.c:599

It is here (mimehdr.c):
  /* If the header wasn't there, we'll fall back to Content-Type, but
     other errors are fatal. */
  if (ret != 0 && ret != MU_ERR_NOENT)
    return ret;

  if (ret == 0 && value != NULL)
      ret = _header_get_param (value, "attachment",
                               "filename", buf, bufsz, pbuf, sz, pflags);
!!!-> free (value); <- faulted free()
      value = NULL;
      if (ret == 0 || ret != MU_ERR_NOENT)
        return ret;


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