if called with a NULL 'fmt' argument.
(SVN 6898)



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collecting common functions in a single place and removing
them from the individual handlers.
The full description is on mantis,
http://bugs.digium.com/view.php?id=6375
and only the ogg_vorbis handler needs to be converted to
the new structure.

As a result of this change, format_au.c and format_pcm_alaw.c
should go away (in a separate commit) as their functionality
(trivial) has been merged in another file.



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comments to doxygen style, memory allocation to use ast_ wrappers, use calloc
instead of malloc+memset, and removing duplicated error messages (issue #6435)


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/branches/1.2


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formatting, remove some unnecessary casts, and other little code cleanups.


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convert pbx_dundi to use ast_copy_string) (issue #5134)


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clean up and reformat ast_readfile and ast_writefile


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add per-file revision tags and 'show version files' CLI command


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major Makefile and build process improvements, including removal of all hardcoded paths (modules must now use run-time paths as they should) (bug #4116)


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make ast_waitstream_* return value compatible with platforms that use unsigned char by default (bug #4455)


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consolidate API functions for saying numbers/digits/alpha/phonetic into less functions, using more efficient and clearer code (inspired by bug #4414)


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