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fitscore.c
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fitscore.c
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/* This file, fitscore.c, contains the core set of FITSIO routines. */
/* The FITSIO software was written by William Pence at the High Energy */
/* Astrophysic Science Archive Research Center (HEASARC) at the NASA */
/* Goddard Space Flight Center. */
/*
Copyright (Unpublished--all rights reserved under the copyright laws of
the United States), U.S. Government as represented by the Administrator
of the National Aeronautics and Space Administration. No copyright is
claimed in the United States under Title 17, U.S. Code.
Permission to freely use, copy, modify, and distribute this software
and its documentation without fee is hereby granted, provided that this
copyright notice and disclaimer of warranty appears in all copies.
DISCLAIMER:
THE SOFTWARE IS PROVIDED 'AS IS' WITHOUT ANY WARRANTY OF ANY KIND,
EITHER EXPRESSED, IMPLIED, OR STATUTORY, INCLUDING, BUT NOT LIMITED TO,
ANY WARRANTY THAT THE SOFTWARE WILL CONFORM TO SPECIFICATIONS, ANY
IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
PURPOSE, AND FREEDOM FROM INFRINGEMENT, AND ANY WARRANTY THAT THE
DOCUMENTATION WILL CONFORM TO THE SOFTWARE, OR ANY WARRANTY THAT THE
SOFTWARE WILL BE ERROR FREE. IN NO EVENT SHALL NASA BE LIABLE FOR ANY
DAMAGES, INCLUDING, BUT NOT LIMITED TO, DIRECT, INDIRECT, SPECIAL OR
CONSEQUENTIAL DAMAGES, ARISING OUT OF, RESULTING FROM, OR IN ANY WAY
CONNECTED WITH THIS SOFTWARE, WHETHER OR NOT BASED UPON WARRANTY,
CONTRACT, TORT , OR OTHERWISE, WHETHER OR NOT INJURY WAS SUSTAINED BY
PERSONS OR PROPERTY OR OTHERWISE, AND WHETHER OR NOT LOSS WAS SUSTAINED
FROM, OR AROSE OUT OF THE RESULTS OF, OR USE OF, THE SOFTWARE OR
SERVICES PROVIDED HEREUNDER."
*/
#include <string.h>
#include <limits.h>
#include <stdlib.h>
#include <math.h>
#include <ctype.h>
#include <errno.h>
/* stddef.h is apparently needed to define size_t with some compilers ?? */
#include <stddef.h>
#include <locale.h>
#include "fitsio2.h"
#define errmsgsiz 25
#define ESMARKER 27 /* Escape character is used as error stack marker */
#define DelAll 1 /* delete all messages on the error stack */
#define DelMark 2 /* delete newest messages back to and including marker */
#define DelNewest 3 /* delete the newest message from the stack */
#define GetMesg 4 /* pop and return oldest message, ignoring marks */
#define PutMesg 5 /* add a new message to the stack */
#define PutMark 6 /* add a marker to the stack */
#ifdef _REENTRANT
/*
Fitsio_Lock and Fitsio_Pthread_Status are declared in fitsio2.h.
*/
pthread_mutex_t Fitsio_Lock;
int Fitsio_Pthread_Status = 0;
#endif
int STREAM_DRIVER = 0;
struct lconv *lcxxx;
/*--------------------------------------------------------------------------*/
float ffvers(float *version) /* IO - version number */
/*
return the current version number of the FITSIO software
Note that this method of calculation limits minor/micro fields to < 100.
*/
{
*version = (float)CFITSIO_MAJOR + (float)(.01*CFITSIO_MINOR)
+ (float)(.0001*CFITSIO_MICRO);
/* *version = 4.1.0 Feb 2022
Previous releases:
*version = 4.0.0 May 2021
*version = 3.49 Aug 2020
*version = 3.48 Apr 2020
*version = 3.47 May 2019
*version = 3.46 Oct 2018
*version = 3.45 May 2018
*version = 3.44 Apr 2018
*version = 3.43 Mar 2018
*version = 3.42 Mar 2017
*version = 3.41 Nov 2016
*version = 3.40 Oct 2016
*version = 3.39 Apr 2016
*version = 3.38 Feb 2016
*version = 3.37 3 Jun 2014
*version = 3.36 6 Dec 2013
*version = 3.35 23 May 2013
*version = 3.34 20 Mar 2013
*version = 3.33 14 Feb 2013
*version = 3.32 Oct 2012
*version = 3.31 18 Jul 2012
*version = 3.30 11 Apr 2012
*version = 3.29 22 Sep 2011
*version = 3.28 12 May 2011
*version = 3.27 3 Mar 2011
*version = 3.26 30 Dec 2010
*version = 3.25 9 June 2010
*version = 3.24 26 Jan 2010
*version = 3.23 7 Jan 2010
*version = 3.22 28 Oct 2009
*version = 3.21 24 Sep 2009
*version = 3.20 31 Aug 2009
*version = 3.18 12 May 2009 (beta version)
*version = 3.14 18 Mar 2009
*version = 3.13 5 Jan 2009
*version = 3.12 8 Oct 2008
*version = 3.11 19 Sep 2008
*version = 3.10 20 Aug 2008
*version = 3.09 3 Jun 2008
*version = 3.08 15 Apr 2007 (internal release)
*version = 3.07 5 Nov 2007 (internal release)
*version = 3.06 27 Aug 2007
*version = 3.05 12 Jul 2007 (internal release)
*version = 3.03 11 Dec 2006
*version = 3.02 18 Sep 2006
*version = 3.01 May 2006 included in FTOOLS 6.1 release
*version = 3.006 20 Feb 2006
*version = 3.005 20 Dec 2005 (beta, in heasoft swift release
*version = 3.004 16 Sep 2005 (beta, in heasoft swift release
*version = 3.003 28 Jul 2005 (beta, in heasoft swift release
*version = 3.002 15 Apr 2005 (beta)
*version = 3.001 15 Mar 2005 (beta) released with heasoft 6.0
*version = 3.000 1 Mar 2005 (internal release only)
*version = 2.51 2 Dec 2004
*version = 2.50 28 Jul 2004
*version = 2.49 11 Feb 2004
*version = 2.48 28 Jan 2004
*version = 2.470 18 Aug 2003
*version = 2.460 20 May 2003
*version = 2.450 30 Apr 2003 (internal release only)
*version = 2.440 8 Jan 2003
*version = 2.430; 4 Nov 2002
*version = 2.420; 19 Jul 2002
*version = 2.410; 22 Apr 2002 used in ftools v5.2
*version = 2.401; 28 Jan 2002
*version = 2.400; 18 Jan 2002
*version = 2.301; 7 Dec 2001
*version = 2.300; 23 Oct 2001
*version = 2.204; 26 Jul 2001
*version = 2.203; 19 Jul 2001 used in ftools v5.1
*version = 2.202; 22 May 2001
*version = 2.201; 15 Mar 2001
*version = 2.200; 26 Jan 2001
*version = 2.100; 26 Sep 2000
*version = 2.037; 6 Jul 2000
*version = 2.036; 1 Feb 2000
*version = 2.035; 7 Dec 1999 (internal release only)
*version = 2.034; 23 Nov 1999
*version = 2.033; 17 Sep 1999
*version = 2.032; 25 May 1999
*version = 2.031; 31 Mar 1999
*version = 2.030; 24 Feb 1999
*version = 2.029; 11 Feb 1999
*version = 2.028; 26 Jan 1999
*version = 2.027; 12 Jan 1999
*version = 2.026; 23 Dec 1998
*version = 2.025; 1 Dec 1998
*version = 2.024; 9 Nov 1998
*version = 2.023; 1 Nov 1998 first full release of V2.0
*version = 1.42; 30 Apr 1998
*version = 1.40; 6 Feb 1998
*version = 1.33; 16 Dec 1997 (internal release only)
*version = 1.32; 21 Nov 1997 (internal release only)
*version = 1.31; 4 Nov 1997 (internal release only)
*version = 1.30; 11 Sep 1997
*version = 1.27; 3 Sep 1997 (internal release only)
*version = 1.25; 2 Jul 1997
*version = 1.24; 2 May 1997
*version = 1.23; 24 Apr 1997
*version = 1.22; 18 Apr 1997
*version = 1.21; 26 Mar 1997
*version = 1.2; 29 Jan 1997
*version = 1.11; 04 Dec 1996
*version = 1.101; 13 Nov 1996
*version = 1.1; 6 Nov 1996
*version = 1.04; 17 Sep 1996
*version = 1.03; 20 Aug 1996
*version = 1.02; 15 Aug 1996
*version = 1.01; 12 Aug 1996
*/
return(*version);
}
/*--------------------------------------------------------------------------*/
int ffflnm(fitsfile *fptr, /* I - FITS file pointer */
char *filename, /* O - name of the file */
int *status) /* IO - error status */
/*
return the name of the FITS file
*/
{
strcpy(filename,(fptr->Fptr)->filename);
return(*status);
}
/*--------------------------------------------------------------------------*/
int ffflmd(fitsfile *fptr, /* I - FITS file pointer */
int *filemode, /* O - open mode of the file */
int *status) /* IO - error status */
/*
return the access mode of the FITS file
*/
{
*filemode = (fptr->Fptr)->writemode;
return(*status);
}
/*--------------------------------------------------------------------------*/
void ffgerr(int status, /* I - error status value */
char *errtext) /* O - error message (max 30 char long + null) */
/*
Return a short descriptive error message that corresponds to the input
error status value. The message may be up to 30 characters long, plus
the terminating null character.
*/
{
errtext[0] = '\0';
if (status >= 0 && status < 300)
{
switch (status) {
case 0:
strcpy(errtext, "OK - no error");
break;
case 1:
strcpy(errtext, "non-CFITSIO program error");
break;
case 101:
strcpy(errtext, "same input and output files");
break;
case 103:
strcpy(errtext, "attempt to open too many files");
break;
case 104:
strcpy(errtext, "could not open the named file");
break;
case 105:
strcpy(errtext, "couldn't create the named file");
break;
case 106:
strcpy(errtext, "error writing to FITS file");
break;
case 107:
strcpy(errtext, "tried to move past end of file");
break;
case 108:
strcpy(errtext, "error reading from FITS file");
break;
case 110:
strcpy(errtext, "could not close the file");
break;
case 111:
strcpy(errtext, "array dimensions too big");
break;
case 112:
strcpy(errtext, "cannot write to readonly file");
break;
case 113:
strcpy(errtext, "could not allocate memory");
break;
case 114:
strcpy(errtext, "invalid fitsfile pointer");
break;
case 115:
strcpy(errtext, "NULL input pointer");
break;
case 116:
strcpy(errtext, "error seeking file position");
break;
case 117:
strcpy(errtext, "bad value for file download timeout setting");
break;
case 121:
strcpy(errtext, "invalid URL prefix");
break;
case 122:
strcpy(errtext, "too many I/O drivers");
break;
case 123:
strcpy(errtext, "I/O driver init failed");
break;
case 124:
strcpy(errtext, "no I/O driver for this URLtype");
break;
case 125:
strcpy(errtext, "parse error in input file URL");
break;
case 126:
strcpy(errtext, "parse error in range list");
break;
case 151:
strcpy(errtext, "bad argument (shared mem drvr)");
break;
case 152:
strcpy(errtext, "null ptr arg (shared mem drvr)");
break;
case 153:
strcpy(errtext, "no free shared memory handles");
break;
case 154:
strcpy(errtext, "share mem drvr not initialized");
break;
case 155:
strcpy(errtext, "IPC system error (shared mem)");
break;
case 156:
strcpy(errtext, "no memory (shared mem drvr)");
break;
case 157:
strcpy(errtext, "share mem resource deadlock");
break;
case 158:
strcpy(errtext, "lock file open/create failed");
break;
case 159:
strcpy(errtext, "can't resize share mem block");
break;
case 201:
strcpy(errtext, "header already has keywords");
break;
case 202:
strcpy(errtext, "keyword not found in header");
break;
case 203:
strcpy(errtext, "keyword number out of bounds");
break;
case 204:
strcpy(errtext, "keyword value is undefined");
break;
case 205:
strcpy(errtext, "string missing closing quote");
break;
case 206:
strcpy(errtext, "error in indexed keyword name");
break;
case 207:
strcpy(errtext, "illegal character in keyword");
break;
case 208:
strcpy(errtext, "required keywords out of order");
break;
case 209:
strcpy(errtext, "keyword value not positive int");
break;
case 210:
strcpy(errtext, "END keyword not found");
break;
case 211:
strcpy(errtext, "illegal BITPIX keyword value");
break;
case 212:
strcpy(errtext, "illegal NAXIS keyword value");
break;
case 213:
strcpy(errtext, "illegal NAXISn keyword value");
break;
case 214:
strcpy(errtext, "illegal PCOUNT keyword value");
break;
case 215:
strcpy(errtext, "illegal GCOUNT keyword value");
break;
case 216:
strcpy(errtext, "illegal TFIELDS keyword value");
break;
case 217:
strcpy(errtext, "negative table row size");
break;
case 218:
strcpy(errtext, "negative number of rows");
break;
case 219:
strcpy(errtext, "named column not found");
break;
case 220:
strcpy(errtext, "illegal SIMPLE keyword value");
break;
case 221:
strcpy(errtext, "first keyword not SIMPLE");
break;
case 222:
strcpy(errtext, "second keyword not BITPIX");
break;
case 223:
strcpy(errtext, "third keyword not NAXIS");
break;
case 224:
strcpy(errtext, "missing NAXISn keywords");
break;
case 225:
strcpy(errtext, "first keyword not XTENSION");
break;
case 226:
strcpy(errtext, "CHDU not an ASCII table");
break;
case 227:
strcpy(errtext, "CHDU not a binary table");
break;
case 228:
strcpy(errtext, "PCOUNT keyword not found");
break;
case 229:
strcpy(errtext, "GCOUNT keyword not found");
break;
case 230:
strcpy(errtext, "TFIELDS keyword not found");
break;
case 231:
strcpy(errtext, "missing TBCOLn keyword");
break;
case 232:
strcpy(errtext, "missing TFORMn keyword");
break;
case 233:
strcpy(errtext, "CHDU not an IMAGE extension");
break;
case 234:
strcpy(errtext, "illegal TBCOLn keyword value");
break;
case 235:
strcpy(errtext, "CHDU not a table extension");
break;
case 236:
strcpy(errtext, "column exceeds width of table");
break;
case 237:
strcpy(errtext, "more than 1 matching col. name");
break;
case 241:
strcpy(errtext, "row width not = field widths");
break;
case 251:
strcpy(errtext, "unknown FITS extension type");
break;
case 252:
strcpy(errtext, "1st key not SIMPLE or XTENSION");
break;
case 253:
strcpy(errtext, "END keyword is not blank");
break;
case 254:
strcpy(errtext, "Header fill area not blank");
break;
case 255:
strcpy(errtext, "Data fill area invalid");
break;
case 261:
strcpy(errtext, "illegal TFORM format code");
break;
case 262:
strcpy(errtext, "unknown TFORM datatype code");
break;
case 263:
strcpy(errtext, "illegal TDIMn keyword value");
break;
case 264:
strcpy(errtext, "invalid BINTABLE heap pointer");
break;
default:
strcpy(errtext, "unknown error status");
break;
}
}
else if (status < 600)
{
switch(status) {
case 301:
strcpy(errtext, "illegal HDU number");
break;
case 302:
strcpy(errtext, "column number < 1 or > tfields");
break;
case 304:
strcpy(errtext, "negative byte address");
break;
case 306:
strcpy(errtext, "negative number of elements");
break;
case 307:
strcpy(errtext, "bad first row number");
break;
case 308:
strcpy(errtext, "bad first element number");
break;
case 309:
strcpy(errtext, "not an ASCII (A) column");
break;
case 310:
strcpy(errtext, "not a logical (L) column");
break;
case 311:
strcpy(errtext, "bad ASCII table datatype");
break;
case 312:
strcpy(errtext, "bad binary table datatype");
break;
case 314:
strcpy(errtext, "null value not defined");
break;
case 317:
strcpy(errtext, "not a variable length column");
break;
case 320:
strcpy(errtext, "illegal number of dimensions");
break;
case 321:
strcpy(errtext, "1st pixel no. > last pixel no.");
break;
case 322:
strcpy(errtext, "BSCALE or TSCALn = 0.");
break;
case 323:
strcpy(errtext, "illegal axis length < 1");
break;
case 340:
strcpy(errtext, "not group table");
break;
case 341:
strcpy(errtext, "HDU already member of group");
break;
case 342:
strcpy(errtext, "group member not found");
break;
case 343:
strcpy(errtext, "group not found");
break;
case 344:
strcpy(errtext, "bad group id");
break;
case 345:
strcpy(errtext, "too many HDUs tracked");
break;
case 346:
strcpy(errtext, "HDU alread tracked");
break;
case 347:
strcpy(errtext, "bad Grouping option");
break;
case 348:
strcpy(errtext, "identical pointers (groups)");
break;
case 360:
strcpy(errtext, "malloc failed in parser");
break;
case 361:
strcpy(errtext, "file read error in parser");
break;
case 362:
strcpy(errtext, "null pointer arg (parser)");
break;
case 363:
strcpy(errtext, "empty line (parser)");
break;
case 364:
strcpy(errtext, "cannot unread > 1 line");
break;
case 365:
strcpy(errtext, "parser too deeply nested");
break;
case 366:
strcpy(errtext, "file open failed (parser)");
break;
case 367:
strcpy(errtext, "hit EOF (parser)");
break;
case 368:
strcpy(errtext, "bad argument (parser)");
break;
case 369:
strcpy(errtext, "unexpected token (parser)");
break;
case 401:
strcpy(errtext, "bad int to string conversion");
break;
case 402:
strcpy(errtext, "bad float to string conversion");
break;
case 403:
strcpy(errtext, "keyword value not integer");
break;
case 404:
strcpy(errtext, "keyword value not logical");
break;
case 405:
strcpy(errtext, "keyword value not floating pt");
break;
case 406:
strcpy(errtext, "keyword value not double");
break;
case 407:
strcpy(errtext, "bad string to int conversion");
break;
case 408:
strcpy(errtext, "bad string to float conversion");
break;
case 409:
strcpy(errtext, "bad string to double convert");
break;
case 410:
strcpy(errtext, "illegal datatype code value");
break;
case 411:
strcpy(errtext, "illegal no. of decimals");
break;
case 412:
strcpy(errtext, "datatype conversion overflow");
break;
case 413:
strcpy(errtext, "error compressing image");
break;
case 414:
strcpy(errtext, "error uncompressing image");
break;
case 420:
strcpy(errtext, "bad date or time conversion");
break;
case 431:
strcpy(errtext, "syntax error in expression");
break;
case 432:
strcpy(errtext, "expression result wrong type");
break;
case 433:
strcpy(errtext, "vector result too large");
break;
case 434:
strcpy(errtext, "missing output column");
break;
case 435:
strcpy(errtext, "bad data in parsed column");
break;
case 436:
strcpy(errtext, "output extension of wrong type");
break;
case 501:
strcpy(errtext, "WCS angle too large");
break;
case 502:
strcpy(errtext, "bad WCS coordinate");
break;
case 503:
strcpy(errtext, "error in WCS calculation");
break;
case 504:
strcpy(errtext, "bad WCS projection type");
break;
case 505:
strcpy(errtext, "WCS keywords not found");
break;
default:
strcpy(errtext, "unknown error status");
break;
}
}
else
{
strcpy(errtext, "unknown error status");
}
return;
}
/*--------------------------------------------------------------------------*/
void ffpmsg(const char *err_message)
/*
put message on to error stack
*/
{
ffxmsg(PutMesg, (char *)err_message);
return;
}
/*--------------------------------------------------------------------------*/
void ffpmrk(void)
/*
write a marker to the stack. It is then possible to pop only those
messages following the marker off of the stack, leaving the previous
messages unaffected.
The marker is ignored by the ffgmsg routine.
*/
{
char *dummy = 0;
ffxmsg(PutMark, dummy);
return;
}
/*--------------------------------------------------------------------------*/
int ffgmsg(char *err_message)
/*
get oldest message from error stack, ignoring markers
*/
{
ffxmsg(GetMesg, err_message);
return(*err_message);
}
/*--------------------------------------------------------------------------*/
void ffcmsg(void)
/*
erase all messages in the error stack
*/
{
char *dummy = 0;
ffxmsg(DelAll, dummy);
return;
}
/*--------------------------------------------------------------------------*/
void ffcmrk(void)
/*
erase newest messages in the error stack, stopping if a marker is found.
The marker is also erased in this case.
*/
{
char *dummy = 0;
ffxmsg(DelMark, dummy);
return;
}
/*--------------------------------------------------------------------------*/
void ffxmsg( int action,
char *errmsg)
/*
general routine to get, put, or clear the error message stack.
Use a static array rather than allocating memory as needed for
the error messages because it is likely to be more efficient
and simpler to implement.
Action Code:
DelAll 1 delete all messages on the error stack
DelMark 2 delete messages back to and including the 1st marker
DelNewest 3 delete the newest message from the stack
GetMesg 4 pop and return oldest message, ignoring marks
PutMesg 5 add a new message to the stack
PutMark 6 add a marker to the stack
*/
{
int ii;
char markflag;
static char *txtbuff[errmsgsiz], *tmpbuff, *msgptr;
static char errbuff[errmsgsiz][81]; /* initialize all = \0 */
static int nummsg = 0;
FFLOCK;
if (action == DelAll) /* clear the whole message stack */
{
for (ii = 0; ii < nummsg; ii ++)
*txtbuff[ii] = '\0';
nummsg = 0;
}
else if (action == DelMark) /* clear up to and including first marker */
{
while (nummsg > 0) {
nummsg--;
markflag = *txtbuff[nummsg]; /* store possible marker character */
*txtbuff[nummsg] = '\0'; /* clear the buffer for this msg */
if (markflag == ESMARKER)
break; /* found a marker, so quit */
}
}
else if (action == DelNewest) /* remove newest message from stack */
{
if (nummsg > 0)
{
nummsg--;
*txtbuff[nummsg] = '\0'; /* clear the buffer for this msg */
}
}
else if (action == GetMesg) /* pop and return oldest message from stack */
{ /* ignoring markers */
while (nummsg > 0)
{
strcpy(errmsg, txtbuff[0]); /* copy oldest message to output */
*txtbuff[0] = '\0'; /* clear the buffer for this msg */
nummsg--;
for (ii = 0; ii < nummsg; ii++)
txtbuff[ii] = txtbuff[ii + 1]; /* shift remaining pointers */
if (errmsg[0] != ESMARKER) { /* quit if this is not a marker */
FFUNLOCK;
return;
}
}
errmsg[0] = '\0'; /* no messages in the stack */
}
else if (action == PutMesg) /* add new message to stack */
{
msgptr = errmsg;
while (strlen(msgptr))
{
if (nummsg == errmsgsiz)
{
tmpbuff = txtbuff[0]; /* buffers full; reuse oldest buffer */
*txtbuff[0] = '\0'; /* clear the buffer for this msg */
nummsg--;
for (ii = 0; ii < nummsg; ii++)
txtbuff[ii] = txtbuff[ii + 1]; /* shift remaining pointers */
txtbuff[nummsg] = tmpbuff; /* set pointer for the new message */
}
else
{
for (ii = 0; ii < errmsgsiz; ii++)
{
if (*errbuff[ii] == '\0') /* find first empty buffer */
{
txtbuff[nummsg] = errbuff[ii];
break;
}
}
}
strncat(txtbuff[nummsg], msgptr, 80);
nummsg++;
msgptr += minvalue(80, strlen(msgptr));
}
}
else if (action == PutMark) /* put a marker on the stack */
{
if (nummsg == errmsgsiz)
{
tmpbuff = txtbuff[0]; /* buffers full; reuse oldest buffer */
*txtbuff[0] = '\0'; /* clear the buffer for this msg */
nummsg--;
for (ii = 0; ii < nummsg; ii++)
txtbuff[ii] = txtbuff[ii + 1]; /* shift remaining pointers */
txtbuff[nummsg] = tmpbuff; /* set pointer for the new message */
}
else
{
for (ii = 0; ii < errmsgsiz; ii++)
{
if (*errbuff[ii] == '\0') /* find first empty buffer */
{
txtbuff[nummsg] = errbuff[ii];
break;
}
}
}
*txtbuff[nummsg] = ESMARKER; /* write the marker */
*(txtbuff[nummsg] + 1) = '\0';
nummsg++;
}
FFUNLOCK;
return;
}
/*--------------------------------------------------------------------------*/
int ffpxsz(int datatype)
/*
return the number of bytes per pixel associated with the datatype
*/
{
if (datatype == TBYTE)
return(sizeof(char));
else if (datatype == TUSHORT)
return(sizeof(short));
else if (datatype == TSHORT)
return(sizeof(short));
else if (datatype == TULONG)
return(sizeof(long));
else if (datatype == TLONG)
return(sizeof(long));
else if (datatype == TINT)
return(sizeof(int));
else if (datatype == TUINT)
return(sizeof(int));
else if (datatype == TFLOAT)
return(sizeof(float));
else if (datatype == TDOUBLE)
return(sizeof(double));
else if (datatype == TLOGICAL)
return(sizeof(char));
else
return(0);
}
/*--------------------------------------------------------------------------*/
int fftkey(const char *keyword, /* I - keyword name */
int *status) /* IO - error status */
/*
Test that the keyword name conforms to the FITS standard. Must contain
only capital letters, digits, minus or underscore chars. Trailing spaces
are allowed. If the input status value is less than zero, then the test
is modified so that upper or lower case letters are allowed, and no
error messages are printed if the keyword is not legal.
*/
{
size_t maxchr, ii;
int spaces=0;
char msg[FLEN_ERRMSG], testchar;
if (*status > 0) /* inherit input status value if > 0 */
return(*status);
maxchr=strlen(keyword);
if (maxchr > 8)
maxchr = 8;
for (ii = 0; ii < maxchr; ii++)
{
if (*status == 0)
testchar = keyword[ii];
else
testchar = toupper(keyword[ii]);
if ( (testchar >= 'A' && testchar <= 'Z') ||
(testchar >= '0' && testchar <= '9') ||
testchar == '-' || testchar == '_' )
{
if (spaces)
{
if (*status == 0)
{
/* don't print error message if status < 0 */
snprintf(msg, FLEN_ERRMSG,
"Keyword name contains embedded space(s): %.8s",
keyword);
ffpmsg(msg);
}
return(*status = BAD_KEYCHAR);
}
}
else if (keyword[ii] == ' ')
spaces = 1;
else
{
if (*status == 0)
{
/* don't print error message if status < 0 */
snprintf(msg, FLEN_ERRMSG,"Character %d in this keyword is illegal: %.8s",
(int) (ii+1), keyword);
ffpmsg(msg);
/* explicitly flag the 2 most common cases */
if (keyword[ii] == 0)
ffpmsg(" (This a NULL (0) character).");
else if (keyword[ii] == 9)
ffpmsg(" (This an ASCII TAB (9) character).");
}
return(*status = BAD_KEYCHAR);
}
}
return(*status);
}
/*--------------------------------------------------------------------------*/
int fftrec(char *card, /* I - keyword card to test */
int *status) /* IO - error status */
/*
Test that the keyword card conforms to the FITS standard. Must contain
only printable ASCII characters;
*/
{
size_t ii, maxchr;
char msg[FLEN_ERRMSG];
if (*status > 0) /* inherit input status value if > 0 */
return(*status);
maxchr = strlen(card);
for (ii = 8; ii < maxchr; ii++)
{
if (card[ii] < 32 || card[ii] > 126)
{
snprintf(msg, FLEN_ERRMSG,
"Character %d in this keyword is illegal. Hex Value = %X",
(int) (ii+1), (int) card[ii] );
if (card[ii] == 0)
strncat(msg, " (NULL char.)",FLEN_ERRMSG-strlen(msg)-1);
else if (card[ii] == 9)
strncat(msg, " (TAB char.)",FLEN_ERRMSG-strlen(msg)-1);
else if (card[ii] == 10)
strncat(msg, " (Line Feed char.)",FLEN_ERRMSG-strlen(msg)-1);
else if (card[ii] == 11)
strncat(msg, " (Vertical Tab)",FLEN_ERRMSG-strlen(msg)-1);
else if (card[ii] == 12)