204 lines
5.3 KiB
C
204 lines
5.3 KiB
C
/**
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** $Header: /roq/libim/im.c 1 11/02/99 4:38p Zaphod $
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** Copyright (c) 1989-1995 San Diego Supercomputer Center (SDSC)
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** a division of General Atomics, San Diego, California, USA
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**
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** Users and possessors of this source code are hereby granted a
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** nonexclusive, royalty-free copyright and design patent license to
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** use this code in individual software. License is not granted for
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** commercial resale, in whole or in part, without prior written
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** permission from SDSC. This source is provided "AS IS" without express
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** or implied warranty of any kind.
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**
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** For further information contact:
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** E-Mail: info@sds.sdsc.edu
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**
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** Surface Mail: Information Center
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** San Diego Supercomputer Center
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** P.O. Box 85608
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** San Diego, CA 92138-5608
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** (619) 534-5000
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**/
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#define HEADER " $Header: /roq/libim/im.c 1 11/02/99 4:38p Zaphod $"
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/**
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** FILE
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** im.c - Image Library Admin Functions
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**
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** PROJECT
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** libim - SDSC image manipulation library
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**
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** DESCRIPTION
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** im.c contains the error handling and other admin functions of
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** the image library.
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**
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** PUBLIC CONTENTS
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** d =defined constant
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** f =function
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** m =defined macro
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** t =typedef/struct/union
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** v =variable
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** ? =other
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**
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** ImPError f Print error message
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** ImQError f Query error message
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**
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** PRIVATE CONTENTS
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** none
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**
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** HISTORY
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** $Log: /roq/libim/im.c $
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*
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* 1 11/02/99 4:38p Zaphod
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** Revision 1.22 1995/06/29 00:28:04 bduggan
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** updated copyright year
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**
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** Revision 1.21 1995/06/16 08:32:41 bduggan
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** Removed global variables. They are now in imerrno.c
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**
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** Revision 1.20 1995/05/19 13:02:26 bduggan
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** Added IMEFORMATUNKNOWN
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**
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** Revision 1.19 1995/04/13 00:02:23 bduggan
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** Added errors for channel maps
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**
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** Revision 1.18 94/10/03 11:29:22 nadeau
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** Updated to ANSI C and C++ compatibility.
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** Removed all use of register keyword.
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** Minimized use of custom SDSC types (e.g., uchar vs. unsigned char)
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** Changed all float arguments to double.
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** Added forward declarations.
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** Added misc. casts to passify SGI and DEC compilers.
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** Changed all macros and defined constants to have names
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** starting with IM.
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** Updated comments.
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** Updated indenting on some code.
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** Updated copyright message.
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**
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** Revision 1.17 92/10/19 14:16:10 groening
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** added more error statements
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**
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** Revision 1.16 92/09/01 12:27:32 nadeau
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** Added IMEKEYFIELD and IMEADJUSTFIELD error codes and updated
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** error code names and messages for IMEOPERATION, IMEGRADUATION,
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** IMEKEY, IMEADJUST, and IMEBADRANGE.
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**
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** Revision 1.15 92/08/28 15:33:47 groening
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** Added more error codes.
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**
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** Revision 1.14 91/10/03 08:47:52 nadeau
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** Fixed #includes.
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**
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** Revision 1.13 91/09/07 16:21:45 todd
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** Added IMEDECODING and IMEENCODING error codes.
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**
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** Revision 1.12 91/03/08 14:25:46 nadeau
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** More error codes and messages.
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**
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** Revision 1.11 90/07/25 13:32:51 todd
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** added several new IME* errors
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**
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** Revision 1.10 90/07/23 13:48:01 nadeau
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** Added IMEDIFFSIZE error.
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**
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** Revision 1.9 90/07/09 07:12:23 mjb
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** replaced #include <malloc.h> with declarations for malloc() and
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** realloc() because of Alliant
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**
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** Revision 1.8 90/07/02 15:47:54 mercurio
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** Error messages added
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**
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** Revision 1.7 90/06/28 20:15:33 mercurio
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** Added IMENOIMAGE and IMEUNSUPPORTED error codes
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**
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** Revision 1.6 90/06/28 15:14:57 nadeau
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** Added error handler globals, ImQError() and IMESYNTAX.
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**
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** Revision 1.5 90/06/25 14:34:51 nadeau
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** Added IMENULLTAGTABLE error code.
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**
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** Revision 1.4 90/06/25 14:15:07 nadeau
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** Removed error codes associated with tag table routines (they've been
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** moved to libsdsc.a).
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**
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** Revision 1.3 90/05/11 14:27:01 nadeau
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** Added IMENOTGRAY error code.
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**
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** Revision 1.2 90/05/11 09:53:03 nadeau
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** Added error messages and rearranged them.
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**
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** Revision 1.1 90/03/06 17:31:16 nadeau
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** Initial revision
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**
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**/
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#include "iminternal.h"
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/**
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** CODE CREDITS
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** Custom development, Dave Nadeau, San Diego Supercomputer Center, 1990.
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**/
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/*
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* FUNCTION
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* ImPError - Print error message
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*
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* DESCRIPTION
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* The error text associated with the current ImErrNo is printed
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* to stderr, preceded by the given leader string.
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*/
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void /* Returns nothing */
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#ifdef __STDC__
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ImPError( char *s )
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#else
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ImPError( s )
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char *s; /* Leader string */
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#endif
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{
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if ( ImErrNo == IMESYS )
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perror( s );
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else if ( ImErrNo < 0 || ImErrNo >= ImNErr )
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fprintf( stderr, "Unknown error\n" );
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else if ( s && *s )
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fprintf( stderr, "%s: %s\n", s, ImErrList[ImErrNo] );
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else
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fprintf( stderr, "%s\n", ImErrList[ImErrNo] );
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}
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/*
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* FUNCTION
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* ImQError - Query error message
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*
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* DESCRIPTION
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* The error text associated with the current ImErrNo is returned.
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*/
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char * /* Returns error text */
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#ifdef __STDC__
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ImQError( void )
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#else
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ImQError( )
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#endif
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{
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if ( ImErrNo == IMESYS )
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{
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if ( errno < 0 || errno >= sys_nerr )
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return ( "Unknown error" );
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return ( sys_errlist[errno] );
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}
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if ( ImErrNo < 0 || ImErrNo >= ImNErr )
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return ( "Unknown error" );
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return ( ImErrList[ImErrNo] );
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}
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