TIFFReadBufferSetup,  TIFFWriteBufferSetup - I/O buffering
       control routines


SYNOPSIS

       #include <tiffio.h>
       int TIFFReadBufferSetup(TIFF*, tdata_t buffer, tsize_t size);
       int TIFFWriteBufferSetup(TIFF*, tdata_t buffer, tsize_t size);


DESCRIPTION

       The following routines are provided for client-control  of
       the  I/O  buffers  used by the library.  Applications need
       never use these  routines;  they  are  provided  only  for
       ``intelligent clients'' that wish to optimize memory usage
       and/or eliminate potential copy operations that can  occur
       when  working  with  images  that have data stored without
       compression.

       TIFFReadBufferSetup sets up the data buffer used  to  read
       raw  (encoded) data from a file.  If the specified pointer
       is NULL (zero), then a buffer of the appropriate  size  is
       allocated.   Otherwise  the caller must guarantee that the
       buffer is large enough to hold any individual strip of raw
       data.  TIFFReadBufferSetup returns a non-zero value if the
       setup was successful and zero otherwise.

       TIFFWriteBufferSetup sets up the data buffer used to write
       raw (encoded) data to a file.  If the specified size is -1
       then the buffer size is selected to hold a  complete  tile
       or  strip,  or at least 8 kilobytes, whichever is greater.
       If the specified buffer is NULL (zero), then a  buffer  of
       the appropriate size is dynamically allocated.  TIFFWrite­
       BufferSetup returns a non-zero value if the setup was suc­
       cessful and zero otherwise.


DIAGNOSTICS

       %s:  No  space for data buffer at scanline %ld.  TIFFRead­
       BufferSetup was unable to dynamically allocate space for a
       data buffer.

       %s:  No space for output buffer.  TIFFWriteBufferSetup was
       unable to dynamically allocate space for a data buffer.


SEE ALSO

       libtiff(3T)


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