2012-06-01 18:02:44 -04:00
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.\" $Id: TIFFWarning.3tiff,v 1.3 2012-06-01 22:02:44 fwarmerdam Exp $
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2004-11-11 09:39:16 -05:00
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.\"
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.\" Copyright (c) 1988-1997 Sam Leffler
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.\" Copyright (c) 1991-1997 Silicon Graphics, Inc.
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.\"
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.\" Permission to use, copy, modify, distribute, and sell this software and
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.\" its documentation for any purpose is hereby granted without fee, provided
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.\" that (i) the above copyright notices and this permission notice appear in
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.\" all copies of the software and related documentation, and (ii) the names of
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.\" Sam Leffler and Silicon Graphics may not be used in any advertising or
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.\" publicity relating to the software without the specific, prior written
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.\" permission of Sam Leffler and Silicon Graphics.
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.\"
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.\" THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
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.\" EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
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.\" WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
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.\"
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.\" IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
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.\" ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
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.\" OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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.\" WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
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.\" LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
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.\" OF THIS SOFTWARE.
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.\"
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.if n .po 0
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.TH TIFFWarning 3TIFF "October 15, 1995" "libtiff"
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.SH NAME
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TIFFWarning, TIFFSetWarningHandler \- library warning interface
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.SH SYNOPSIS
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.B "#include <tiffio.h>"
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.sp
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.BI "void TIFFWarning(const char *" module ", const char *" fmt ", " ... ")"
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.sp
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2012-06-01 18:02:44 -04:00
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.B "#include <stdarg.h>"
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2004-11-11 09:39:16 -05:00
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.sp
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.BI "typedef void (*TIFFWarningHandler)(const char *" module ", const char *" fmt ", va_list " ap ");"
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.sp
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.BI "TIFFWarningHandler TIFFSetWarningHandler(TIFFWarningHandler " handler ");"
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.SH DESCRIPTION
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.I TIFFWarning
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invokes the library-wide warning handler function to (normally) write a
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warning message to the
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.BR stderr .
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The
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.I fmt
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parameter is a
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.IR printf (3S)
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format string, and any number arguments can be supplied. The
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.I module
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parameter is interpreted as a string that, if non-zero, should be printed
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before the message; it typically is used to identify the software module in
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which a warning is detected.
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.PP
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Applications that desire to capture control in the event of a warning should
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use
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.IR TIFFSetWarningHandler
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to override the default warning handler.
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A
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.SM NULL
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(0) warning handler function may be installed to suppress error messages.
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.SH "RETURN VALUES"
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.IR TIFFSetWarningHandler
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returns a reference to the previous error handling function.
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.SH "SEE ALSO"
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2005-11-02 06:07:18 -05:00
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.BR TIFFError (3TIFF),
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.BR libtiff (3TIFF),
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.BR printf (3)
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.PP
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Libtiff library home page:
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.BR http://www.remotesensing.org/libtiff/
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