Re: [xml] "Write" equivalent to xmlReadMemory?

[Daniel Veillard <veillard redhat com>]

On Fri, Jun 27, 2008 at 02:19:16PM -0700, Thomas Hauk wrote:
> Hello all,
> 
> I'm doing some quick research to determine if libxml2 is appropriate  
> for our use on an embedded device. We want to parse XML documents  
> which are already in memory (present in a file system that saves files  
> into flash memory) and also write them back to memory (we already have  
> an area of flash set aside as a buffer for when writing files to the  
> device I can use).
> 
> I noticed there is xmlReadMemory. Is there also some xmlWriteMemory  
> equivalent? I can't find it in the documentation, nor by searching  
> this mailing list's archives.

  in general use xmlsave:
   http://xmlsoft.org/html/libxml-xmlsave.html
see xmlSaveToBuffer()

> Also, I know libxml2 does dynamic memory allocation, which isn't  
> possible on our device, but I already have a plan to implement a small  
> "allocator", whose name I can swap into the line of "xmlMallocFunc  
> xmlMallocAtomic = (xmlMallocFunc) malloc;" in place of malloc, but is  
> there an easier way to do this?

  Proper way to override the memory routines fro your ovwn allocator
is to use xmlMemSetup() or xmlGcMemSetup()
  http://xmlsoft.org/html/libxml-xmlmemory.html#xmlMemSetup

please read http://xmlsoft.org/xmlmem.html

Daniel

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