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fpackutil.c
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fpackutil.c
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/* FPACK utility routines
R. Seaman, NOAO & W. Pence, NASA/GSFC
*/
#include <time.h>
#include <float.h>
#include <signal.h>
#include <ctype.h>
/* #include "bzlib.h" only for experimental purposes */
#if defined(unix) || defined(__unix__) || defined(__unix)
#include <sys/time.h>
#endif
#include <math.h>
#include "fitsio.h"
#include "fpack.h"
/* these filename buffer are used to delete temporary files */
/* in case the program is aborted */
char tempfilename[SZ_STR];
char tempfilename2[SZ_STR];
char tempfilename3[SZ_STR];
/* nearest integer function */
# define NINT(x) ((x >= 0.) ? (int) (x + 0.5) : (int) (x - 0.5))
# define NSHRT(x) ((x >= 0.) ? (short) (x + 0.5) : (short) (x - 0.5))
/* define variables for measuring elapsed time */
clock_t scpu, ecpu;
long startsec; /* start of elapsed time interval */
int startmilli; /* start of elapsed time interval */
/* CLOCKS_PER_SEC should be defined by most compilers */
#if defined(CLOCKS_PER_SEC)
#define CLOCKTICKS CLOCKS_PER_SEC
#else
/* on SUN OS machine, CLOCKS_PER_SEC is not defined, so set its value */
#define CLOCKTICKS 1000000
#endif
FILE *outreport;
/* dimension of central image area to be sampled for test statistics */
int XSAMPLE = 4100;
int YSAMPLE = 4100;
int fp_msg (char *msg)
{
printf ("%s", msg);
return(0);
}
/*--------------------------------------------------------------------------*/
int fp_noop (void)
{
fp_msg ("Input and output files are unchanged.\n");
return(0);
}
/*--------------------------------------------------------------------------*/
void fp_abort_output (fitsfile *infptr, fitsfile *outfptr, int stat)
{
int status = 0, hdunum;
char msg[SZ_STR];
if (infptr)
{
fits_file_name(infptr, tempfilename, &status);
fits_get_hdu_num(infptr, &hdunum);
fits_close_file (infptr, &status);
snprintf(msg, SZ_STR,"Error processing file: %s\n", tempfilename);
fp_msg (msg);
snprintf(msg, SZ_STR," in HDU number %d\n", hdunum);
fp_msg (msg);
}
else
{
snprintf(msg, SZ_STR,"Error: Unable to process input file\n");
fp_msg(msg);
}
fits_report_error (stderr, stat);
if (outfptr) {
fits_delete_file(outfptr, &status);
fp_msg ("Input file is unchanged.\n");
}
exit (stat);
}
/*--------------------------------------------------------------------------*/
int fp_version (void)
{
float version;
char cfitsioversion[40];
fp_msg (FPACK_VERSION);
fits_get_version(&version);
snprintf(cfitsioversion, 40," CFITSIO version %5.3f", version);
fp_msg(cfitsioversion);
fp_msg ("\n");
return(0);
}
/*--------------------------------------------------------------------------*/
int fp_access (char *filename)
{
/* test if a file exists */
FILE *diskfile;
diskfile = fopen(filename, "r");
if (diskfile) {
fclose(diskfile);
return(0);
} else {
return(-1);
}
}
/*--------------------------------------------------------------------------*/
int fp_tmpnam(char *suffix, char *rootname, char *tmpnam)
{
/* create temporary file name */
int maxtry = 30, ii;
if (strlen(suffix) + strlen(rootname) > SZ_STR-5) {
fp_msg ("Error: filename is too long to create temporary file\n"); exit (-1);
}
strcpy (tmpnam, rootname); /* start with rootname */
strcat(tmpnam, suffix); /* append the suffix */
maxtry = SZ_STR - strlen(tmpnam) - 1;
for (ii = 0; ii < maxtry; ii++) {
if (fp_access(tmpnam)) break; /* good, the file does not exist */
if (strlen(tmpnam) > SZ_STR-2)
{
fp_msg ("\nCould not create temporary file name:\n");
fp_msg (tmpnam);
fp_msg ("\n");
exit (-1);
}
strcat(tmpnam, "x"); /* append an x to the name, and try again */
}
if (ii == maxtry) {
fp_msg ("\nCould not create temporary file name:\n");
fp_msg (tmpnam);
fp_msg ("\n");
exit (-1);
}
return(0);
}
/*--------------------------------------------------------------------------*/
int fp_init (fpstate *fpptr)
{
int ii;
fpptr->comptype = RICE_1;
fpptr->quantize_level = DEF_QLEVEL;
fpptr->no_dither = 0;
fpptr->dither_method = 1;
fpptr->dither_offset = 0;
fpptr->int_to_float = 0;
/* thresholds when using the -i2f flag */
fpptr->n3ratio = 2.0; /* minimum ratio of image noise sigma / q */
fpptr->n3min = 6.; /* minimum noise sigma. */
fpptr->scale = DEF_HCOMP_SCALE;
fpptr->smooth = DEF_HCOMP_SMOOTH;
fpptr->rescale_noise = DEF_RESCALE_NOISE;
fpptr->ntile[0] = (long) -1; /* -1 means extent of axis */
for (ii=1; ii < MAX_COMPRESS_DIM; ii++)
fpptr->ntile[ii] = (long) 1;
fpptr->to_stdout = 0;
fpptr->listonly = 0;
fpptr->clobber = 0;
fpptr->delete_input = 0;
fpptr->do_not_prompt = 0;
fpptr->do_checksums = 1;
fpptr->do_gzip_file = 0;
fpptr->do_tables = 0; /* this is intended for testing purposes */
fpptr->do_images = 1; /* can be turned off with -tableonly switch */
fpptr->test_all = 0;
fpptr->verbose = 0;
fpptr->prefix[0] = 0;
fpptr->extname[0] = 0;
fpptr->delete_suffix = 0;
fpptr->outfile[0] = 0;
fpptr->firstfile = 1;
/* magic number for initialization check, boolean for preflight
*/
fpptr->initialized = FP_INIT_MAGIC;
fpptr->preflight_checked = 0;
return(0);
}
/*--------------------------------------------------------------------------*/
int fp_list (int argc, char *argv[], fpstate fpvar)
{
fitsfile *infptr;
char infits[SZ_STR], msg[SZ_STR];
int hdunum, iarg, stat=0;
LONGLONG sizell;
if (fpvar.initialized != FP_INIT_MAGIC) {
fp_msg ("Error: internal initialization error\n"); exit (-1);
}
for (iarg=fpvar.firstfile; iarg < argc; iarg++) {
strncpy (infits, argv[iarg], SZ_STR-1);
infits[SZ_STR-1]=0;
if (strchr (infits, '[') || strchr (infits, ']')) {
fp_msg ("Error: section/extension notation not supported: ");
fp_msg (infits); fp_msg ("\n"); exit (-1);
}
if (fp_access (infits) != 0) {
fp_msg ("Error: can't find or read input file "); fp_msg (infits);
fp_msg ("\n"); fp_noop (); exit (-1);
}
fits_open_file (&infptr, infits, READONLY, &stat);
if (stat) { fits_report_error (stderr, stat); exit (stat); }
/* move to the end of file, to get the total size in bytes */
fits_get_num_hdus (infptr, &hdunum, &stat);
fits_movabs_hdu (infptr, hdunum, NULL, &stat);
fits_get_hduaddrll(infptr, NULL, NULL, &sizell, &stat);
if (stat) {
fp_abort_output(infptr, NULL, stat);
}
snprintf (msg, SZ_STR,"# %s (", infits); fp_msg (msg);
#if defined(_MSC_VER)
/* Microsoft Visual C++ 6.0 uses '%I64d' syntax for 8-byte integers */
snprintf(msg, SZ_STR,"%I64d bytes)\n", sizell); fp_msg (msg);
#elif (USE_LL_SUFFIX == 1)
snprintf(msg, SZ_STR,"%lld bytes)\n", sizell); fp_msg (msg);
#else
snprintf(msg, SZ_STR,"%ld bytes)\n", sizell); fp_msg (msg);
#endif
fp_info_hdu (infptr);
fits_close_file (infptr, &stat);
if (stat) { fits_report_error (stderr, stat); exit (stat); }
}
return(0);
}
/*--------------------------------------------------------------------------*/
int fp_info_hdu (fitsfile *infptr)
{
long naxes[9] = {1, 1, 1, 1, 1, 1, 1, 1, 1};
char msg[SZ_STR], val[SZ_CARD], com[SZ_CARD];
int naxis=0, hdutype, bitpix, hdupos, stat=0, ii;
unsigned long datasum, hdusum;
fits_movabs_hdu (infptr, 1, NULL, &stat);
if (stat) {
fp_abort_output(infptr, NULL, stat);
}
for (hdupos=1; ! stat; hdupos++) {
fits_get_hdu_type (infptr, &hdutype, &stat);
if (stat) {
fp_abort_output(infptr, NULL, stat);
}
/* fits_get_hdu_type calls unknown extensions "IMAGE_HDU"
* so consult XTENSION keyword itself
*/
fits_read_keyword (infptr, "XTENSION", val, com, &stat);
if (stat == KEY_NO_EXIST) {
/* in primary HDU which by definition is an "image" */
stat=0; /* clear for later error handling */
} else if (stat) {
fp_abort_output(infptr, NULL, stat);
} else if (hdutype == IMAGE_HDU) {
/* that is, if XTENSION != "IMAGE" AND != "BINTABLE" */
if (strncmp (val+1, "IMAGE", 5) &&
strncmp (val+1, "BINTABLE", 5)) {
/* assign something other than any of these */
hdutype = IMAGE_HDU + ASCII_TBL + BINARY_TBL;
}
}
fits_get_chksum(infptr, &datasum, &hdusum, &stat);
if (hdutype == IMAGE_HDU) {
snprintf (msg, SZ_STR," %d IMAGE", hdupos); fp_msg (msg);
snprintf (msg, SZ_STR," SUMS=%lu/%lu", (unsigned long) (~((int) hdusum)), datasum); fp_msg (msg);
fits_get_img_param (infptr, 9, &bitpix, &naxis, naxes, &stat);
snprintf (msg, SZ_STR," BITPIX=%d", bitpix); fp_msg (msg);
if (naxis == 0) {
snprintf (msg, SZ_STR," [no_pixels]"); fp_msg (msg);
} else if (naxis == 1) {
snprintf (msg, SZ_STR," [%ld]", naxes[1]); fp_msg (msg);
} else {
snprintf (msg, SZ_STR," [%ld", naxes[0]); fp_msg (msg);
for (ii=1; ii < naxis; ii++) {
snprintf (msg, SZ_STR,"x%ld", naxes[ii]); fp_msg (msg);
}
fp_msg ("]");
}
if (fits_is_compressed_image (infptr, &stat)) {
fits_read_keyword (infptr, "ZCMPTYPE", val, com, &stat);
/* allow for quote in keyword value */
if (! strncmp (val+1, "RICE_1", 6))
fp_msg (" tiled_rice\n");
else if (! strncmp (val+1, "GZIP_1", 6))
fp_msg (" tiled_gzip_1\n");
else if (! strncmp (val+1, "GZIP_2", 6))
fp_msg (" tiled_gzip_2\n");
else if (! strncmp (val+1, "PLIO_1", 6))
fp_msg (" tiled_plio\n");
else if (! strncmp (val+1, "HCOMPRESS_1", 11))
fp_msg (" tiled_hcompress\n");
else
fp_msg (" unknown\n");
} else
fp_msg (" not_tiled\n");
} else if (hdutype == ASCII_TBL) {
snprintf (msg, SZ_STR," %d ASCII_TBL", hdupos); fp_msg (msg);
snprintf (msg, SZ_STR," SUMS=%lu/%lu\n", (unsigned long) (~((int) hdusum)), datasum); fp_msg (msg);
} else if (hdutype == BINARY_TBL) {
snprintf (msg, SZ_STR," %d BINARY_TBL", hdupos); fp_msg (msg);
snprintf (msg, SZ_STR," SUMS=%lu/%lu\n", (unsigned long) (~((int) hdusum)), datasum); fp_msg (msg);
} else {
snprintf (msg, SZ_STR," %d OTHER", hdupos); fp_msg (msg);
snprintf (msg, SZ_STR," SUMS=%lu/%lu", (unsigned long) (~((int) hdusum)), datasum); fp_msg (msg);
snprintf (msg, SZ_STR," %s\n", val); fp_msg (msg);
}
fits_movrel_hdu (infptr, 1, NULL, &stat);
}
return(0);
}
/*--------------------------------------------------------------------------*/
int fp_preflight (int argc, char *argv[], int unpack, fpstate *fpptr)
{
char infits[SZ_STR], outfits[SZ_STR];
int iarg, namelen, nfiles = 0;
if (fpptr->initialized != FP_INIT_MAGIC) {
fp_msg ("Error: internal initialization error\n"); exit (-1);
}
for (iarg=fpptr->firstfile; iarg < argc; iarg++) {
outfits[0] = '\0';
if (strlen(argv[iarg]) > SZ_STR - 4) { /* allow for .fz or .gz suffix */
fp_msg ("Error: input file name\n "); fp_msg (argv[iarg]);
fp_msg ("\n is too long\n"); fp_noop (); exit (-1);
}
strncpy (infits, argv[iarg], SZ_STR);
if (infits[0] == '-' && infits[1] != '\0') {
/* don't interpret this as intending to read input file from stdin */
fp_msg ("Error: invalid input file name\n "); fp_msg (argv[iarg]);
fp_msg ("\n"); fp_noop (); exit (-1);
}
if (strchr (infits, '[') || strchr (infits, ']')) {
fp_msg ("Error: section/extension notation not supported: ");
fp_msg (infits); fp_msg ("\n"); fp_noop (); exit (-1);
}
if (unpack) {
/* ********** This section applies to funpack ************ */
/* check that input file exists */
if (infits[0] != '-') { /* if not reading from stdin stream */
if (fp_access (infits) != 0) { /* if not, then check if */
strcat(infits, ".fz"); /* a .fz version exsits */
if (fp_access (infits) != 0) {
namelen = strlen(infits);
infits[namelen - 3] = '\0'; /* remove the .fz suffix */
fp_msg ("Error: can't find or read input file "); fp_msg (infits);
fp_msg ("\n"); fp_noop (); exit (-1);
}
} else { /* make sure a .fz version of the same file doesn't exist */
namelen = strlen(infits);
strcat(infits, ".fz");
if (fp_access (infits) == 0) {
infits[namelen] = '\0'; /* remove the .fz suffix */
fp_msg ("Error: ambiguous input file name. Which file should be unpacked?:\n ");
fp_msg (infits); fp_msg ("\n ");
fp_msg (infits); fp_msg (".fz\n");
fp_noop (); exit (-1);
} else {
infits[namelen] = '\0'; /* remove the .fz suffix */
}
}
}
/* if writing to stdout, then we are all done */
if (fpptr->to_stdout) {
continue;
}
if (fpptr->outfile[0]) { /* user specified output file name */
nfiles++;
if (nfiles > 1) {
fp_msg ("Error: cannot use same output file name for multiple files:\n ");
fp_msg (fpptr->outfile);
fp_msg ("\n"); fp_noop (); exit (-1);
}
/* check that output file doesn't exist */
if (fp_access (fpptr->outfile) == 0) {
fp_msg ("Error: output file already exists:\n ");
fp_msg (fpptr->outfile);
fp_msg ("\n "); fp_noop (); exit (-1);
}
continue;
}
/* construct output file name to test */
if (fpptr->prefix[0]) {
if (strlen(fpptr->prefix) + strlen(infits) > SZ_STR - 1) {
fp_msg ("Error: output file name for\n "); fp_msg (infits);
fp_msg ("\n is too long with the prefix\n"); fp_noop (); exit (-1);
}
strcpy(outfits,fpptr->prefix);
}
/* construct output file name */
if (infits[0] == '-') {
strcpy(outfits, "output.fits");
} else {
strcat(outfits, infits);
}
/* remove .gz or .bz2 suffix, if present (output is not gzipped) */
namelen = strlen(outfits);
if (namelen >= 3 && !strcmp(".gz", outfits + namelen - 3) ) {
outfits[namelen - 3] = '\0';
}
else if (namelen >= 4 && !strcmp(".bz2", outfits + namelen - 4)) {
outfits[namelen - 4] = '\0';
}
/* check for .fz suffix that is sometimes required */
/* and remove it if present */
if (infits[0] != '-') { /* if not reading from stdin stream */
namelen = strlen(outfits);
if (namelen>=3 && !strcmp(".fz", outfits + namelen - 3) ) { /* suffix is present */
outfits[namelen - 3] = '\0';
} else if (fpptr->delete_suffix) { /* required suffix is missing */
fp_msg ("Error: input compressed file "); fp_msg (infits);
fp_msg ("\n does not have the default .fz suffix.\n");
fp_noop (); exit (-1);
}
}
/* if infits != outfits, make sure outfits doesn't already exist */
if (strcmp(infits, outfits)) {
if (fp_access (outfits) == 0) {
fp_msg ("Error: output file already exists:\n "); fp_msg (outfits);
fp_msg ("\n "); fp_noop (); exit (-1);
}
}
/* if gzipping the output, make sure .gz file doesn't exist */
if (fpptr->do_gzip_file) {
if (strlen(outfits)+3 > SZ_STR-1)
{
fp_msg ("Error: output file name too long:\n "); fp_msg (outfits);
fp_msg ("\n "); fp_noop (); exit (-1);
}
strcat(outfits, ".gz");
if (fp_access (outfits) == 0) {
fp_msg ("Error: output file already exists:\n "); fp_msg (outfits);
fp_msg ("\n "); fp_noop (); exit (-1);
}
namelen = strlen(outfits);
outfits[namelen - 3] = '\0'; /* remove the .gz suffix again */
}
} else {
/* ********** This section applies to fpack ************ */
/* check that input file exists */
if (infits[0] != '-') { /* if not reading from stdin stream */
if (fp_access (infits) != 0) { /* if not, then check if */
if (strlen(infits)+3 > SZ_STR-1)
{
fp_msg ("Error: input file name too long:\n "); fp_msg (infits);
fp_msg ("\n "); fp_noop (); exit (-1);
}
strcat(infits, ".gz"); /* a gzipped version exsits */
if (fp_access (infits) != 0) {
namelen = strlen(infits);
infits[namelen - 3] = '\0'; /* remove the .gz suffix */
fp_msg ("Error: can't find or read input file "); fp_msg (infits);
fp_msg ("\n"); fp_noop (); exit (-1);
}
}
}
/* make sure the file to pack does not already have a .fz suffix */
namelen = strlen(infits);
if (namelen>=3 && !strcmp(".fz", infits + namelen - 3) ) {
fp_msg ("Error: fpack input file already has '.fz' suffix\n" ); fp_msg (infits);
fp_msg ("\n"); fp_noop (); exit (-1);
}
/* if writing to stdout, or just testing the files, then we are all done */
if (fpptr->to_stdout || fpptr->test_all) {
continue;
}
if (fpptr->outfile[0]) { /* user specified output file name */
nfiles++;
if (nfiles > 1) {
fp_msg("Error: cannot use same output file name for multiple files:\n ");
fp_msg(fpptr->outfile);
fp_msg ("\n"); fp_noop (); exit (-1);
}
/* check that output file doesn't exist */
if (fp_access (fpptr->outfile) == 0) {
fp_msg ("Error: output file already exists:\n ");
fp_msg (fpptr->outfile);
fp_msg ("\n "); fp_noop (); exit (-1);
}
continue;
}
/* construct output file name */
if (infits[0] == '-') {
strcpy(outfits, "input.fits");
} else {
strcpy(outfits, infits);
}
/* remove .gz suffix, if present (output is not gzipped) */
/* do the same if compression suffix is bz2 */
namelen = strlen(outfits);
if (namelen >=3 && !strcmp(".gz", outfits + namelen - 3) ) {
outfits[namelen - 3] = '\0';
}
else if (namelen >= 4 && !strcmp(".bz2", outfits + namelen - 4)) {
outfits[namelen - 4] = '\0';
}
/* remove .imh suffix (IRAF format image), and replace with .fits */
namelen = strlen(outfits);
if (namelen >=4 && !strcmp(".imh", outfits + namelen - 4) ) {
outfits[namelen - 4] = '\0';
if (strlen(outfits) == SZ_STR-5)
strcat(outfits, ".fit");
else
strcat(outfits, ".fits");
}
/* If not clobbering the input file, add .fz suffix to output name */
if (! fpptr->clobber)
{
if (strlen(outfits) > SZ_STR-4)
{
fp_msg ("Error: output file name too long:\n "); fp_msg (outfits);
fp_msg ("\n "); fp_noop (); exit (-1);
}
else
strcat(outfits, ".fz");
}
/* if infits != outfits, make sure outfits doesn't already exist */
if (strcmp(infits, outfits)) {
if (fp_access (outfits) == 0) {
fp_msg ("Error: output file already exists:\n "); fp_msg (outfits);
fp_msg ("\n "); fp_noop (); exit (-1);
}
}
} /* end of fpack section */
}
fpptr->preflight_checked++;
return(0);
}
/*--------------------------------------------------------------------------*/
/* must run fp_preflight() before fp_loop()
*/
int fp_loop (int argc, char *argv[], int unpack, fpstate fpvar)
{
char infits[SZ_STR], outfits[SZ_STR];
char temp[SZ_STR], answer[30];
char valchar[]="0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz.#()+,-_@[]/^{}";
int ichar=0, outlen=0, iarg, islossless, namelen, iraf_infile = 0, status = 0, ifail;
if (fpvar.initialized != FP_INIT_MAGIC) {
fp_msg ("Error: internal initialization error\n"); exit (-1);
} else if (! fpvar.preflight_checked) {
fp_msg ("Error: internal preflight error\n"); exit (-1);
}
if (fpvar.test_all && fpvar.outfile[0]) {
outreport = fopen(fpvar.outfile, "w");
fprintf(outreport," Filename Extension BITPIX NAXIS1 NAXIS2 Size N_nulls Minval Maxval Mean Sigm Noise1 Noise2 Noise3 Noise5 T_whole T_rowbyrow ");
fprintf(outreport,"[Comp_ratio, Pack_cpu, Unpack_cpu, Lossless readtimes] (repeated for Rice, Hcompress, and GZIP)\n");
}
tempfilename[0] = '\0';
tempfilename2[0] = '\0';
tempfilename3[0] = '\0';
/* set up signal handler to delete temporary file on abort */
#ifdef SIGINT
if (signal(SIGINT, SIG_IGN) != SIG_IGN) {
(void) signal(SIGINT, abort_fpack);
}
#endif
#ifdef SIGTERM
if (signal(SIGTERM, SIG_IGN) != SIG_IGN) {
(void) signal(SIGTERM, abort_fpack);
}
#endif
#ifdef SIGHUP
if (signal(SIGHUP, SIG_IGN) != SIG_IGN) {
(void) signal(SIGHUP, abort_fpack);
}
#endif
for (iarg=fpvar.firstfile; iarg < argc; iarg++) {
temp[0] = '\0';
outfits[0] = '\0';
islossless = 1;
strncpy (infits, argv[iarg], SZ_STR - 1);
infits[SZ_STR-1]=0;
if (unpack) {
/* ********** This section applies to funpack ************ */
/* find input file */
if (infits[0] != '-') { /* if not reading from stdin stream */
if (fp_access (infits) != 0) { /* if not, then */
strcat(infits, ".fz"); /* a .fz version must exsit */
/* fp_preflight already checked for enough size to add '.fz' */
}
}
if (fpvar.to_stdout) {
strcpy(outfits, "-");
} else if (fpvar.outfile[0]) { /* user specified output file name */
strcpy(outfits, fpvar.outfile);
} else {
/* construct output file name */
if (fpvar.prefix[0]) {
/* fp_preflight already checked this */
strcpy(outfits,fpvar.prefix);
}
/* construct output file name */
if (infits[0] == '-') {
strcpy(outfits, "output.fits");
} else {
strcat(outfits, infits);
}
/* remove .gz suffix, if present (output is not gzipped) */
namelen = strlen(outfits);
if (namelen >= 3 && !strcmp(".gz", outfits + namelen - 3) ) {
outfits[namelen - 3] = '\0';
}
else if (namelen >= 4 && !strcmp(".bz2", outfits + namelen - 4)) {
outfits[namelen - 4] = '\0';
}
/* check for .fz suffix that is sometimes required */
/* and remove it if present */
namelen = strlen(outfits);
if (namelen >= 3 && !strcmp(".fz", outfits + namelen - 3) ) { /* suffix is present */
outfits[namelen - 3] = '\0';
}
}
} else {
/* ********** This section applies to fpack ************ */
if (fpvar.to_stdout) {
strcpy(outfits, "-");
} else if (! fpvar.test_all) {
if (fpvar.outfile[0]) { /* user specified output file name */
strcpy(outfits, fpvar.outfile);
}
else {
/* construct output file name */
if (infits[0] == '-') {
strcpy(outfits, "input.fits");
} else {
strcpy(outfits, infits);
}
/* Remove .gz suffix, if present (output is not gzipped).
Do the same for .bz2 */
namelen = strlen(outfits);
if (namelen >= 3 && !strcmp(".gz", outfits + namelen - 3) ) {
outfits[namelen - 3] = '\0';
}
else if (namelen >= 4 && !strcmp(".bz2", outfits + namelen - 4)) {
outfits[namelen - 4] = '\0';
}
/* remove .imh suffix (IRAF format image), and replace with .fits */
namelen = strlen(outfits);
if (namelen >= 4 && !strcmp(".imh", outfits + namelen - 4) ) {
outfits[namelen - 4] = '\0';
if (strlen(outfits) == SZ_STR-5)
strcat(outfits, ".fit");
else
strcat(outfits, ".fits");
iraf_infile = 1; /* this is an IRAF format input file */
/* change the output name to "NAME.fits.fz" */
}
/* If not clobbering the input file, add .fz suffix to output name */
if (! fpvar.clobber)
strcat(outfits, ".fz");
}
}
}
strncpy(temp, outfits, SZ_STR-1);
temp[SZ_STR-1]=0;
if (infits[0] != '-') { /* if not reading from stdin stream */
if (!strcmp(infits, outfits) ) { /* are input and output names the same? */
/* clobber the input file with the output file with the same name */
if (! fpvar.clobber) {
fp_msg ("\nError: must use -F flag to clobber input file.\n");
exit (-1);
}
/* create temporary file name in the output directory (same as input directory)*/
fp_tmpnam("Tmp1", infits, outfits);
strcpy(tempfilename, outfits); /* store temp file name, in case of abort */
}
}
/* *************** now do the real work ********************* */
if (fpvar.verbose && ! fpvar.to_stdout)
printf("%s ", infits);
if (fpvar.test_all) { /* compare all the algorithms */
/* create 2 temporary file names, in the CWD */
fp_tmpnam("Tmpfile1", "", tempfilename);
fp_tmpnam("Tmpfile2", "", tempfilename2);
fp_test (infits, tempfilename, tempfilename2, fpvar);
remove(tempfilename);
tempfilename[0] = '\0'; /* clear the temp file name */
remove(tempfilename2);
tempfilename2[0] = '\0';
continue;
} else if (unpack) {
if (fpvar.to_stdout) {
/* unpack the input file to the stdout stream */
fp_unpack (infits, outfits, fpvar);
} else {
/* unpack to temporary file, so other tasks can't open it until it is renamed */
/* create temporary file name, in the output directory */
fp_tmpnam("Tmp2", outfits, tempfilename2);
/* unpack the input file to the temporary file */
fp_unpack (infits, tempfilename2, fpvar);
/* rename the temporary file to it's real name */
ifail = rename(tempfilename2, outfits);
if (ifail) {
fp_msg("Failed to rename temporary file name:\n ");
fp_msg(tempfilename2);
fp_msg(" -> ");
fp_msg(outfits);
fp_msg("\n");
exit (-1);
} else {
tempfilename2[0] = '\0'; /* clear temporary file name */
}
}
} else {
fp_pack (infits, outfits, fpvar, &islossless);
}
if (fpvar.to_stdout) {
continue;
}
/* ********** clobber and/or delete files, if needed ************** */
if (!strcmp(infits, temp) && fpvar.clobber ) {
if (!islossless && ! fpvar.do_not_prompt) {
fp_msg ("\nFile ");
fp_msg (infits);
fp_msg ("\nwas compressed with a LOSSY method. Overwrite the\n");
fp_msg ("original file with the compressed version? (Y/N) ");
fgets(answer, 29, stdin);
if (answer[0] != 'Y' && answer[0] != 'y') {
fp_msg ("\noriginal file NOT overwritten!\n");
remove(outfits);
continue;
}
}
if (iraf_infile) { /* special case of deleting an IRAF format header and pixel file */
if (fits_delete_iraf_file(infits, &status)) {
fp_msg("\nError deleting IRAF .imh and .pix files.\n");
fp_msg(infits); fp_msg ("\n"); exit (-1);
}
}
#if defined(unix) || defined(__unix__) || defined(__unix)
/* rename clobbers input on Unix platforms */
if (rename (outfits, temp) != 0) {
fp_msg ("\nError renaming tmp file to ");
fp_msg (temp); fp_msg ("\n"); exit (-1);
}
#else
/* rename DOES NOT clobber existing files on Windows platforms */
/* so explicitly remove any existing file before renaming the file */
remove(temp);
if (rename (outfits, temp) != 0) {
fp_msg ("\nError renaming tmp file to ");
fp_msg (temp); fp_msg ("\n"); exit (-1);
}
#endif
tempfilename[0] = '\0'; /* clear temporary file name */
strcpy(outfits, temp);
} else if (fpvar.clobber || fpvar.delete_input) { /* delete the input file */
if (!islossless && !fpvar.do_not_prompt) { /* user did not turn off delete prompt */
fp_msg ("\nFile ");
fp_msg (infits);
fp_msg ("\nwas compressed with a LOSSY method. \n");
fp_msg ("Delete the original file? (Y/N) ");
fgets(answer, 29, stdin);
if (answer[0] != 'Y' && answer[0] != 'y') { /* user abort */
fp_msg ("\noriginal file NOT deleted!\n");
} else {
if (iraf_infile) { /* special case of deleting an IRAF format header and pixel file */
if (fits_delete_iraf_file(infits, &status)) {
fp_msg("\nError deleting IRAF .imh and .pix files.\n");
fp_msg(infits); fp_msg ("\n"); exit (-1);
}
} else if (remove(infits) != 0) { /* normal case of deleting input FITS file */
fp_msg ("\nError deleting input file ");
fp_msg (infits); fp_msg ("\n"); exit (-1);
}
}
} else { /* user said don't prompt, so just delete the input file */
if (iraf_infile) { /* special case of deleting an IRAF format header and pixel file */
if (fits_delete_iraf_file(infits, &status)) {
fp_msg("\nError deleting IRAF .imh and .pix files.\n");
fp_msg(infits); fp_msg ("\n"); exit (-1);
}
} else if (remove(infits) != 0) { /* normal case of deleting input FITS file */
fp_msg ("\nError deleting input file ");
fp_msg (infits); fp_msg ("\n"); exit (-1);
}
}
}
iraf_infile = 0;
if (fpvar.do_gzip_file) { /* gzip the output file */
strcpy(temp, "gzip -1 ");
outlen = strlen(outfits);
if (outlen + 8 > SZ_STR-1)
{
fp_msg("\nError: Output file name is too long.\n");
exit(-1);
}
for (ichar=0; ichar < outlen; ++ichar)
{
if (!strchr(valchar, outfits[ichar]))
{
fp_msg("\n Error: Invalid characters in output file name.\n");
exit(-1);
}
}
strcat(temp,outfits);
system(temp);
strcat(outfits, ".gz"); /* only possibible with funpack */
}
if (fpvar.verbose && ! fpvar.to_stdout)
printf("-> %s\n", outfits);
}
if (fpvar.test_all && fpvar.outfile[0])
fclose(outreport);
return(0);
}
/*--------------------------------------------------------------------------*/
/* fp_pack assumes the output file does not exist (checked by preflight)
*/
int fp_pack (char *infits, char *outfits, fpstate fpvar, int *islossless)
{
fitsfile *infptr, *outfptr;
int stat=0;
fits_open_file (&infptr, infits, READONLY, &stat);
if (stat) { fits_report_error (stderr, stat); exit (stat); }
fits_create_file (&outfptr, outfits, &stat);
if (stat) {
fp_abort_output(infptr, NULL, stat);
}
if (stat) {
fp_abort_output(infptr, outfptr, stat);
}
while (! stat) {
/* LOOP OVER EACH HDU */
fits_set_lossy_int (outfptr, fpvar.int_to_float, &stat);
fits_set_compression_type (outfptr, fpvar.comptype, &stat);
fits_set_tile_dim (outfptr, 6, fpvar.ntile, &stat);
if (fpvar.no_dither)
fits_set_quantize_method(outfptr, -1, &stat);
else
fits_set_quantize_method(outfptr, fpvar.dither_method, &stat);
fits_set_quantize_level (outfptr, fpvar.quantize_level, &stat);
fits_set_dither_offset(outfptr, fpvar.dither_offset, &stat);
fits_set_hcomp_scale (outfptr, fpvar.scale, &stat);
fits_set_hcomp_smooth (outfptr, fpvar.smooth, &stat);
fp_pack_hdu (infptr, outfptr, fpvar, islossless, &stat);
if (fpvar.do_checksums) {
fits_write_chksum (outfptr, &stat);
}
fits_movrel_hdu (infptr, 1, NULL, &stat);
}
if (stat == END_OF_FILE) stat = 0;
/* set checksum for case of newly created primary HDU */
if (fpvar.do_checksums) {
fits_movabs_hdu (outfptr, 1, NULL, &stat);
fits_write_chksum (outfptr, &stat);
}
if (stat) {
fp_abort_output(infptr, outfptr, stat);
}