# TIFFWarning

Section: Misc. Reference Manual Pages (3T)
Updated: October 15, 1995
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## NAME

TIFFWarning, TIFFSetWarningHandler - library warning interface

## SYNOPSIS

#include <tiffio.h>
void TIFFWarning(const char* module, const char* fmt, ...)

#include <stdargh.h>
typedef void (*TIFFWarningHandler)(const char* module, const char* fmt, va_list ap);
TIFFWarningHandler TIFFSetWarningHandler(TIFFWarningHandler handler);

## DESCRIPTION

TIFFWarning invokes the library-wide warning handler function to (normally) write a warning message to the stderr. The fmt parameter is a printf(3S) format string, and any number arguments can be supplied. The module parameter is interpreted as a string that, if non-zero, should be printed before the message; it typically is used to identify the software module in which a warning is detected.

Applications that desire to capture control in the event of a warning should use TIFFSetWarningHandler to override the default warning handler. A NULL (0) warning handler function may be installed to suppress error messages.

## RETURN VALUES

TIFFSetWarningHandler returns a reference to the previous error handling function.

## SEE ALSO

libtiff(3T), TIFFError(3T), printf(3S)

## Index

NAME
SYNOPSIS
DESCRIPTION
RETURN VALUES
SEE ALSO

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Time: 01:31:38 GMT, November 23, 1999