From fa080de7afc95aa1c19a6e6fc0e0708ced2eadc4 Mon Sep 17 00:00:00 2001
From: Joseph Hunkeler <jhunkeler@gmail.com>
Date: Wed, 8 Jul 2015 20:46:52 -0400
Subject: Initial commit

---
 vendor/cfitsio/funpack.c | 168 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 168 insertions(+)
 create mode 100644 vendor/cfitsio/funpack.c

(limited to 'vendor/cfitsio/funpack.c')

diff --git a/vendor/cfitsio/funpack.c b/vendor/cfitsio/funpack.c
new file mode 100644
index 00000000..49b679c5
--- /dev/null
+++ b/vendor/cfitsio/funpack.c
@@ -0,0 +1,168 @@
+/* FUNPACK
+ * R. Seaman, NOAO
+ * uses fits_img_compress by W. Pence, HEASARC
+ */
+
+#include "fitsio.h"
+#include "fpack.h"
+
+int main (int argc, char *argv[])
+{
+	fpstate	fpvar;
+
+	if (argc <= 1) { fu_usage (); fu_hint (); exit (-1); }
+
+	fp_init (&fpvar);
+	fu_get_param (argc, argv, &fpvar);
+
+	if (fpvar.listonly) {
+	    fp_list (argc, argv, fpvar);
+
+	} else {
+	    fp_preflight (argc, argv, FUNPACK, &fpvar);
+	    fp_loop (argc, argv, FUNPACK, fpvar);
+	}
+
+	exit (0);
+}
+
+int fu_get_param (int argc, char *argv[], fpstate *fpptr)
+{
+	int	gottype=0, gottile=0, wholetile=0, iarg, len, ndim, ii;
+	char	tmp[SZ_STR], tile[SZ_STR];
+
+        if (fpptr->initialized != FP_INIT_MAGIC) {
+            fp_msg ("Error: internal initialization error\n"); exit (-1);
+        }
+
+	tile[0] = 0;
+
+        /* by default, .fz suffix characters to be deleted from compressed file */
+	fpptr->delete_suffix = 1;
+
+	/* flags must come first and be separately specified
+	 */
+	for (iarg = 1; iarg < argc; iarg++) {
+	    if (argv[iarg][0] == '-' && strlen (argv[iarg]) == 2) {
+
+		if (argv[iarg][1] == 'F') {
+		    fpptr->clobber++;
+                    fpptr->delete_suffix = 0;  /* no suffix in this case */
+
+		} else if (argv[iarg][1] == 'D') {
+		    fpptr->delete_input++;
+
+		} else if (argv[iarg][1] == 'P') {
+		    if (++iarg >= argc) {
+			fu_usage (); fu_hint (); exit (-1);
+		    } else
+			strncpy (fpptr->prefix, argv[iarg], SZ_STR);
+
+		} else if (argv[iarg][1] == 'E') {
+		    if (++iarg >= argc) {
+			fu_usage (); fu_hint (); exit (-1);
+		    } else
+			strncpy (fpptr->extname, argv[iarg], SZ_STR);
+
+		} else if (argv[iarg][1] == 'S') {
+		    fpptr->to_stdout++;
+
+		} else if (argv[iarg][1] == 'L') {
+		    fpptr->listonly++;
+
+		} else if (argv[iarg][1] == 'C') {
+		    fpptr->do_checksums = 0;
+
+		} else if (argv[iarg][1] == 'H') {
+		    fu_help (); exit (0);
+
+		} else if (argv[iarg][1] == 'V') {
+		    fp_version (); exit (0);
+
+		} else if (argv[iarg][1] == 'Z') {
+		    fpptr->do_gzip_file++;
+
+		} else if (argv[iarg][1] == 'v') {
+		    fpptr->verbose = 1;
+
+		} else if (argv[iarg][1] == 'O') {
+		    if (++iarg >= argc) {
+			fu_usage (); fu_hint (); exit (-1);
+		    } else
+			strncpy (fpptr->outfile, argv[iarg], SZ_STR);
+
+		} else {
+		    fp_msg ("Error: unknown command line flag `");
+		    fp_msg (argv[iarg]); fp_msg ("'\n");
+		    fu_usage (); fu_hint (); exit (-1);
+		}
+
+	    } else
+		break;
+	}
+	
+	if (fpptr->extname[0] && (fpptr->clobber || fpptr->delete_input)) {
+	    fp_msg ("Error: -E option may not be used with -F or -D\n");
+	    fu_usage (); exit (-1);
+        }
+
+	if (fpptr->to_stdout && (fpptr->outfile[0] || fpptr->prefix[0]) ) {
+
+	    fp_msg ("Error: -S option may not be used with -P or -O\n");
+	    fu_usage (); exit (-1);
+        }
+
+	if (fpptr->outfile[0] && fpptr->prefix[0] ) {
+	    fp_msg ("Error: -P and -O options may not be used together\n");
+	    fu_usage (); exit (-1);
+        }
+
+	if (iarg >= argc) {
+	    fp_msg ("Error: no FITS files to uncompress\n");
+	    fu_usage (); exit (-1);
+	} else
+	    fpptr->firstfile = iarg;
+
+	return(0);
+}
+
+int fu_usage (void)
+{
+	fp_msg ("usage: funpack [-E <HDUlist>] [-P <pre>] [-O <name>] [-Z] -v <FITS>\n");
+        fp_msg ("more:   [-F] [-D] [-S] [-L] [-C] [-H] [-V] \n");
+	return(0);
+}
+
+int fu_hint (void)
+{
+	fp_msg ("      `funpack -H' for help\n");
+	return(0);
+}
+
+int fu_help (void)
+{
+fp_msg ("funpack, decompress fpacked files.  Version ");
+fp_version ();
+fu_usage ();
+fp_msg ("\n");
+
+fp_msg ("Flags must be separate and appear before filenames:\n");
+fp_msg (" -E <HDUlist> Unpack only the list of HDU names or numbers in the file.\n");
+fp_msg (" -P <pre>    Prepend <pre> to create new output filenames.\n");
+fp_msg (" -O <name>   Specify full output file name.\n");
+fp_msg (" -Z          Recompress the output file with host GZIP program.\n");
+fp_msg (" -F          Overwrite input file by output file with same name.\n");
+fp_msg (" -D          Delete input file after writing output.\n");
+fp_msg (" -S          Output uncompressed file to STDOUT file stream.\n");
+fp_msg (" -L          List contents, files unchanged.\n");
+
+fp_msg (" -C          Don't update FITS checksum keywords.\n");
+
+fp_msg (" -v          Verbose mode; list each file as it is processed.\n");
+fp_msg (" -H          Show this message.\n");
+fp_msg (" -V          Show version number.\n");
+
+fp_msg (" \n<FITS>       FITS files to unpack; enter '-' (a hyphen) to read from stdin.\n");
+fp_msg (" Refer to the fpack User's Guide for more extensive help.\n");
+	return(0);
+}
-- 
cgit