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This is libsnprintfv, a portable, extensible reimplementation of the
POSIX format printing API. libsnprintfv provides all the features
which should be present in a POSIX format printing implementation,
but which often are not, such as guaranteed return of number of
characters printed and support for %n$ format specifiers.
In addition the the POSIX features, libsnprintfv also provides some
extensions to the API, and a GNU printf custom format specifier like
system (which is not source compatible -- sorry), all of which you
can use with impunity if you link with libsnprintfv, rather than
worrying about whether the target C library provides the extensions.
See the info manual for details of the API calls available, and an
explanation of how to write custom specifier handlers.
The latest version of libsnprintfv is available from the author's
homepage: http://www.oranda.demon.co.uk.
libsnprintfv is written in a very portable K&R compatible style, and
should build anywhere that provides a reasonable C compiler and runtime.
See the file INSTALL for instructions on how to build and install
libsnprintfv.
See the file NEWS for a description of user visible changes to
libsnprintfv between releases.
See the file TODO for a list of outstanding work.
If you have any suggestions or bug reports, please send email to the
author at <gvv@techie.com>.
NOTES:
* If you find yourself on a machine where sizeof(long) > sizeof(void*),
you could be in trouble! Compiling with `CPPFLAGS=-DINDIRECT_LONG' will
give you a start, but most client code will break because it will be
expecting arrays of arguments to carry each value in its own box.
This misfeature will not be present in the first release version of
snprintfv.
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