71 lines
2.6 KiB
Plaintext
71 lines
2.6 KiB
Plaintext
.\" $Header: /cvs/maptools/cvsroot/libtiff/man/Attic/TIFFWarning.3t,v 1.1 1999-07-27 21:50:27 mike Exp $
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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 3T "October 15, 1995"
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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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.br
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.B "void TIFFWarning(const char* module, const char* fmt, ...)"
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.sp .5
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.B "#include <stdargh.h>"
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.br
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.B "typedef void (*TIFFWarningHandler)(const char* module, const char* fmt, va_list ap);"
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.br
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.B "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
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to (normally) write a 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.
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The
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.I module
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parameter is interpreted as a string that, if non-zero,
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should be printed before the message; it typically
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is used to identify the software module in which a warning
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is detected.
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.PP
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Applications that desire to capture control in the event of a warning
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should 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
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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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.IR libtiff (3T),
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.IR TIFFError (3T),
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.IR printf (3S)
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