04-01-2011
You probably don't want to use du for this either. du returns the space allocated for a file, not the size of a file.
Regards,
Alister
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LEARN ABOUT REDHAT
tiffwritebuffersetup
TIFFBUFFER(3T) TIFFBUFFER(3T)
NAME
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. TIFFWriteBufferSetup returns a non-zero value if the setup was successful and
zero otherwise.
DIAGNOSTICS
%s: No space for data buffer at scanline %ld. TIFFReadBufferSetup 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)
October 15, 1995 TIFFBUFFER(3T)