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File gif2tiff-comeback.patch of Package tiff.openSUSE_Leap_42.1_Update (Revision 9d2ce6017bb6924554f260848dc5632f)

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--- tiff-4.0.7/html/man/gif2tiff.1.html	1970-01-01 01:00:00.000000000 +0100
+++ tiff-4.0.7/html/man/gif2tiff.1.html	2016-12-08 09:20:34.221126689 +0100
@@ -0,0 +1,141 @@
+
+
+<html>
+<head>
+<meta name="generator" content="groff -Thtml, see www.gnu.org">
+<meta name="Content-Style" content="text/css">
+<title>GIF2TIFF</title>
+</head>
+<body>
+
+<h1 align=center>GIF2TIFF</h1>
+<a href="#NAME">NAME</a><br>
+<a href="#SYNOPSIS">SYNOPSIS</a><br>
+<a href="#DESCRIPTION">DESCRIPTION</a><br>
+<a href="#OPTIONS">OPTIONS</a><br>
+<a href="#NOTES">NOTES</a><br>
+<a href="#BUGS">BUGS</a><br>
+<a href="#SEE ALSO">SEE ALSO</a><br>
+
+<hr>
+<a name="NAME"></a>
+<h2>NAME</h2>
+
+<table width="100%" border=0 rules="none" frame="void"
+       cols="2" cellspacing="0" cellpadding="0">
+<tr valign="top" align="left">
+<td width="8%"></td>
+<td width="91%">
+<p>gif2tiff &minus; create a <small>TIFF</small> file from a
+GIF87 format image file</p>
+</td>
+</table>
+<a name="SYNOPSIS"></a>
+<h2>SYNOPSIS</h2>
+
+<table width="100%" border=0 rules="none" frame="void"
+       cols="2" cellspacing="0" cellpadding="0">
+<tr valign="top" align="left">
+<td width="8%"></td>
+<td width="91%">
+<p><b>gif2tiff</b> [ <i>options</i> ] <i>input.gif
+output.tif</i></p>
+</td>
+</table>
+<a name="DESCRIPTION"></a>
+<h2>DESCRIPTION</h2>
+
+<table width="100%" border=0 rules="none" frame="void"
+       cols="2" cellspacing="0" cellpadding="0">
+<tr valign="top" align="left">
+<td width="8%"></td>
+<td width="91%">
+<p><i>Gif2tiff</i> converts a file in the GIF87 format to
+<small>TIFF.</small> The <small>TIFF</small> image is
+created as a palette image, with samples compressed with the
+Lempel-Ziv &amp; Welch algorithm (<i>Compression</i>=5).
+These characteristics can overridden, or explicitly
+specified with the options described below.</p>
+</td>
+</table>
+<a name="OPTIONS"></a>
+<h2>OPTIONS</h2>
+
+<table width="100%" border=0 rules="none" frame="void"
+       cols="5" cellspacing="0" cellpadding="0">
+<tr valign="top" align="left">
+<td width="10%"></td>
+<td width="3%">
+
+<p><b>&minus;c</b></p>
+</td>
+<td width="5%"></td>
+<td width="80%">
+
+<p>Specify a compression scheme to use when writing image
+data: <b>&minus;c none</b> for no compression, <b>&minus;c
+packbits</b> for the PackBits compression algorithm,
+<b>&minus;c zip</b> for the Deflate compression algorithm,
+and <b>&minus;c lzw</b> for Lempel-Ziv &amp; Welch (the
+default).</p>
+</td>
+<td width="0%">
+</td>
+<tr valign="top" align="left">
+<td width="10%"></td>
+<td width="3%">
+
+<p><b>&minus;r</b></p>
+</td>
+<td width="5%"></td>
+<td width="80%">
+
+<p>Write data with a specified number of rows per strip; by
+default the number of rows/strip is selected so that each
+strip is approximately 8 kilobytes.</p>
+</td>
+<td width="0%">
+</td>
+</table>
+<a name="NOTES"></a>
+<h2>NOTES</h2>
+
+<table width="100%" border=0 rules="none" frame="void"
+       cols="2" cellspacing="0" cellpadding="0">
+<tr valign="top" align="left">
+<td width="8%"></td>
+<td width="91%">
+<p>The program is based on Paul Haeberli&rsquo;s
+<i>fromgif</i> program which, in turn, is based on Marcel
+J.E. Mol&rsquo;s GIF reader.</p>
+</td>
+</table>
+<a name="BUGS"></a>
+<h2>BUGS</h2>
+
+<table width="100%" border=0 rules="none" frame="void"
+       cols="2" cellspacing="0" cellpadding="0">
+<tr valign="top" align="left">
+<td width="8%"></td>
+<td width="91%">
+<p>Should have more options to control output format.</p>
+</td>
+</table>
+<a name="SEE ALSO"></a>
+<h2>SEE ALSO</h2>
+
+<table width="100%" border=0 rules="none" frame="void"
+       cols="2" cellspacing="0" cellpadding="0">
+<tr valign="top" align="left">
+<td width="8%"></td>
+<td width="91%">
+<p><b>pal2rgb</b>(1), <b>tiffinfo</b>(1), <b>tiffcp</b>(1),
+<b>tiffmedian</b>(1), <b>libtiff</b>(3)</p>
+
+<p>Libtiff library home page:
+<b>http://www.remotesensing.org/libtiff/</b></p>
+</td>
+</table>
+<hr>
+</body>
+</html>
--- tiff-4.0.7/html/man/Makefile.am	2016-12-08 09:15:01.640074405 +0100
+++ tiff-4.0.7/html/man/Makefile.am	2016-12-08 09:19:49.522051946 +0100
@@ -79,6 +79,7 @@
 	bmp2tiff.1.html \
 	fax2ps.1.html \
 	fax2tiff.1.html \
+	gif2tiff.1.html \
 	pal2rgb.1.html \
 	ppm2tiff.1.html \
 	raw2tiff.1.html \
--- tiff-4.0.7/man/gif2tiff.1	1970-01-01 01:00:00.000000000 +0100
+++ tiff-4.0.7/man/gif2tiff.1	2016-12-08 09:19:24.262572646 +0100
@@ -0,0 +1,81 @@
+.\" $Id: gif2tiff.1,v 1.1 2016-06-05 19:53:59 bfriesen Exp $
+.\"
+.\" Copyright (c) 1991-1997 Sam Leffler
+.\" Copyright (c) 1991-1997 Silicon Graphics, Inc.
+.\"
+.\" Permission to use, copy, modify, distribute, and sell this software and 
+.\" its documentation for any purpose is hereby granted without fee, provided
+.\" that (i) the above copyright notices and this permission notice appear in
+.\" all copies of the software and related documentation, and (ii) the names of
+.\" Sam Leffler and Silicon Graphics may not be used in any advertising or
+.\" publicity relating to the software without the specific, prior written
+.\" permission of Sam Leffler and Silicon Graphics.
+.\" 
+.\" THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND, 
+.\" EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY 
+.\" WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.  
+.\" 
+.\" IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
+.\" ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+.\" OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+.\" WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF 
+.\" LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE 
+.\" OF THIS SOFTWARE.
+.\"
+.if n .po 0
+.TH GIF2TIFF 1 "November 2, 2005" "libtiff"
+.SH NAME
+gif2tiff \- create a
+.SM TIFF
+file from a GIF87 format image file
+.SH SYNOPSIS
+.B gif2tiff
+[
+.I options
+]
+.I input.gif
+.I output.tif
+.SH DESCRIPTION
+.I Gif2tiff
+converts a file in the GIF87 format to
+.SM TIFF.
+The
+.SM TIFF
+image is created as a palette image, with samples
+compressed with the Lempel-Ziv & Welch algorithm (\c
+.IR Compression =5).
+These characteristics can overridden, or explicitly specified
+with the options described below.
+.SH OPTIONS
+.TP
+.B \-c
+Specify a compression scheme to use when writing image data:
+.B "\-c none"
+for no compression,
+.B "\-c packbits"
+for the PackBits compression algorithm,
+.B "\-c zip"
+for the Deflate compression algorithm,
+and
+.B "\-c lzw"
+for Lempel-Ziv & Welch (the default).
+.TP
+.B \-r
+Write data with a specified number of rows per strip;
+by default the number of rows/strip is selected so that each strip
+is approximately 8 kilobytes.
+.SH NOTES
+The program is based on Paul Haeberli's
+.I fromgif
+program which, in turn, is based on Marcel J.E. Mol's GIF reader.
+.SH BUGS
+Should have more options to control output format.
+.SH "SEE ALSO"
+.BR pal2rgb (1),
+.BR tiffinfo (1),
+.BR tiffcp (1),
+.BR tiffmedian (1),
+.BR libtiff (3)
+.PP
+Libtiff library home page:
+.BR http://www.remotesensing.org/libtiff/
--- tiff-4.0.7/man/Makefile.am	2016-12-08 09:15:01.640074405 +0100
+++ tiff-4.0.7/man/Makefile.am	2016-12-08 09:19:09.210882159 +0100
@@ -27,6 +27,7 @@
 	bmp2tiff.1 \
 	fax2ps.1 \
 	fax2tiff.1 \
+	gif2tiff.1 \
 	pal2rgb.1 \
 	ppm2tiff.1 \
 	raw2tiff.1 \
--- tiff-4.0.7/tools/gif2tiff.c	1970-01-01 01:00:00.000000000 +0100
+++ tiff-4.0.7/tools/gif2tiff.c	2016-12-08 09:18:50.215271941 +0100
@@ -0,0 +1,591 @@
+/* $Id: gif2tiff.c,v 1.1 2016-06-05 19:53:59 bfriesen Exp $ */
+
+/*
+ * Copyright (c) 1990-1997 Sam Leffler
+ * Copyright (c) 1991-1997 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and 
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the names of
+ * Sam Leffler and Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Sam Leffler and Silicon Graphics.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND, 
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY 
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.  
+ * 
+ * IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF 
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE 
+ * OF THIS SOFTWARE.
+ */
+
+/*
+ *	convert a GIF file into a TIFF file.
+ *	based on Paul Haeberli's fromgif program which in turn is
+ *	based on a GIF file reader by Marcel J.E. Mol March 23 1989 
+ *
+ *	if input is 320 by 200 pixel aspect is probably 1.2
+ *	if input is 640 350 pixel aspect is probably 1.37
+ *
+ */
+#include "tif_config.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <math.h>
+
+#ifdef HAVE_UNISTD_H
+# include <unistd.h>
+#endif
+
+#ifdef NEED_LIBPORT
+# include "libport.h"
+#endif
+
+#include "tiffio.h"
+
+#define	GIFGAMMA	(1.5)		/* smaller makes output img brighter */
+#define	IMAX		0xffff		/* max intensity value */
+#define EXTRAFUDGE	128		/* some people write BAD .gif files */
+
+#define	streq(a,b)	(strcmp(a,b) == 0)
+#define	strneq(a,b,n)	(strncmp(a,b,n) == 0)
+
+unsigned short gamtab[256];
+
+void
+makegamtab(float gam)
+{
+    int i;
+
+    for(i=0; i<256; i++) 
+	gamtab[i] = (unsigned short) (IMAX*pow(i/255.0,gam)+0.5);
+}
+
+char* stuff[] = {
+"usage: gif2tiff [options] input.gif output.tif",
+"where options are:",
+" -r #		make each strip have no more than # rows",
+"",
+" -c lzw[:opts]	compress output with Lempel-Ziv & Welch encoding",
+" -c zip[:opts]	compress output with deflate encoding",
+" -c packbits	compress output with packbits encoding",
+" -c none	use no compression algorithm on output",
+"",
+"LZW and deflate options:",
+" #		set predictor value",
+"For example, -c lzw:2 to get LZW-encoded data with horizontal differencing",
+NULL
+};
+
+static void
+usage(void)
+{
+	char buf[BUFSIZ];
+	int i;
+
+	setbuf(stderr, buf);
+        fprintf(stderr, "%s\n\n", TIFFGetVersion());
+	for (i = 0; stuff[i] != NULL; i++)
+		fprintf(stderr, "%s\n", stuff[i]);
+	exit(-1);
+}
+
+#define COLSIZE 256
+
+unsigned char *stackp;
+unsigned int prefix[4096];
+unsigned char suffix[4096];
+unsigned char stack[4096];
+int datasize,codesize,codemask;     /* Decoder working variables */
+int clear,eoi;                      /* Special code values */
+int avail, oldcode;
+
+FILE *infile;
+int global;                        /* Is there a global color map? */
+int globalbits;                     /* Number of bits of global colors */
+unsigned char globalmap[COLSIZE][3];/* RGB values for global color map */
+unsigned char *raster;              /* Decoded image data */
+unsigned long width, height;
+unsigned short red[COLSIZE];
+unsigned short green[COLSIZE];
+unsigned short blue[COLSIZE];
+char *filename, *imagename;
+
+static	uint16 compression = COMPRESSION_PACKBITS;
+static	uint16 predictor = 0;
+static	uint32 rowsperstrip = (uint32) -1;
+static	int processCompressOptions(char*);
+
+int	convert(void);
+int	checksignature(void);
+int	readscreen(void);
+int	readgifimage(char*);
+int	readextension(void);
+int	readraster(void);
+int	process(int, unsigned char**);
+void	initcolors(unsigned char [COLSIZE][3], int);
+void	rasterize(int, char*);
+
+int
+main(int argc, char* argv[])
+{
+#if !HAVE_DECL_OPTARG
+    extern int optind;
+    extern char *optarg;
+#endif
+
+    int c, status;
+
+    while ((c = getopt(argc, argv, "c:r:")) != -1)
+	    switch (c) {
+	    case 'c':		/* compression scheme */
+		    if (!processCompressOptions(optarg))
+			    usage();
+		    break;
+	    case 'r':		/* rows/strip */
+		    rowsperstrip = atoi(optarg);
+		    break;
+	    case '?':
+		    usage();
+		    /*NOTREACHED*/
+	    }
+    if (argc - optind != 2)
+	    usage();
+
+    makegamtab(GIFGAMMA);
+    filename = argv[optind];
+    imagename = argv[optind+1];
+    if ((infile = fopen(imagename, "rb")) != NULL) {
+	int c;
+	fclose(infile);
+	printf("overwrite %s? ", imagename); fflush(stdout);
+	c = getc(stdin);
+	if (c != 'y' && c != 'Y')
+	    return (1);
+    }
+    if ((infile = fopen(filename, "rb")) == NULL) {
+	perror(filename);
+	return (1);
+    }
+    status = convert();
+    fclose(infile);
+    return (status);
+}
+
+static int
+processCompressOptions(char* opt)
+{
+	if (streq(opt, "none"))
+		compression = COMPRESSION_NONE;
+	else if (streq(opt, "packbits"))
+		compression = COMPRESSION_PACKBITS;
+	else if (strneq(opt, "lzw", 3)) {
+		char* cp = strchr(opt, ':');
+		if (cp)
+			predictor = atoi(cp+1);
+		compression = COMPRESSION_LZW;
+	} else if (strneq(opt, "zip", 3)) {
+		char* cp = strchr(opt, ':');
+		if (cp)
+			predictor = atoi(cp+1);
+		compression = COMPRESSION_DEFLATE;
+	} else
+		return (0);
+	return (1);
+}
+
+int
+convert(void)
+{
+    int ch;
+    char* mode = "w";
+
+    if (!checksignature())
+        return (-1);
+    if (!readscreen())
+        return (-1);
+    while ((ch = getc(infile)) != ';' && ch != EOF) {
+        switch (ch) {
+            case '\0':  break;  /* this kludge for non-standard files */
+            case ',':   if (!readgifimage(mode))
+                           return (-1);
+			mode = "a";		/* subsequent images append */
+                        break;
+        case '!':   if (!readextension())
+                            return (-1);
+                        break;
+            default:    fprintf(stderr, "illegal GIF block type\n");
+                        return (-1);
+        }
+    }
+    return (0);
+}
+
+int
+checksignature(void)
+{
+    char buf[6];
+
+    if (fread(buf,1,6,infile) != 6) {
+        fprintf(stderr, "short read from file %s (%s)\n",
+                filename, strerror(errno));
+        return 0;
+    }
+    if (strncmp(buf,"GIF",3)) {
+        fprintf(stderr, "file is not a GIF file\n");
+        return 0;
+    }
+    if (strncmp(&buf[3],"87a",3)) {
+        fprintf(stderr, "unknown GIF version number\n");
+        return 0;
+    }
+    return 1;
+}
+
+/*
+ * 	readscreen - 
+ *		Get information which is global to all the images stored 
+ *	in the file
+ */
+int
+readscreen(void)
+{
+    unsigned char buf[7];
+
+    if (fread(buf,1,7,infile) != 7) {
+        fprintf(stderr, "short read from file %s (%s)\n",
+                filename, strerror(errno));
+        return 0;
+    }
+    global = buf[4] & 0x80;
+    if (global) {
+        globalbits = (buf[4] & 0x07) + 1;
+        if (fread(globalmap,3,((size_t)1)<<globalbits,infile) !=
+            ((size_t)1)<<globalbits) {
+            fprintf(stderr, "short read from file %s (%s)\n",
+                    filename, strerror(errno));
+            return 0;
+        }
+    }
+    return 1;
+}
+
+int
+readgifimage(char* mode)
+{
+    unsigned char buf[9];
+    int local, interleaved;
+    unsigned char localmap[256][3];
+    int localbits;
+    int status;
+    size_t raster_size;
+
+    if (fread(buf, 1, 9, infile) != 9) {
+        fprintf(stderr, "short read from file %s (%s)\n",
+                filename, strerror(errno));
+	return (0);
+    }
+    width = (buf[4] + (buf[5] << 8)) & 0xffff; /* 16 bit */
+    height = (buf[6] + (buf[7] << 8)) & 0xffff;  /* 16 bit */
+    local = buf[8] & 0x80;
+    interleaved = buf[8] & 0x40;
+    if (width == 0UL || height == 0UL || (width > 2000000000UL / height)) {
+        fprintf(stderr, "Invalid value of width or height\n");
+        return(0);
+    }
+    if (local == 0 && global == 0) {
+        fprintf(stderr, "no colormap present for image\n");
+        return (0);
+    }
+    raster_size=width*height;
+    if ((raster_size/width) == height) {
+        raster_size += EXTRAFUDGE;  /* Add elbow room */
+    } else {
+        raster_size=0;
+    }
+    if ((raster = (unsigned char*) _TIFFmalloc(raster_size)) == NULL) {
+        fprintf(stderr, "not enough memory for image\n");
+        return (0);
+    }
+    if (local) {
+        localbits = (buf[8] & 0x7) + 1;
+
+        fprintf(stderr, "   local colors: %d\n", 1<<localbits);
+
+        if (fread(localmap, 3, ((size_t)1)<<localbits, infile) !=
+            ((size_t)1)<<localbits) {
+            fprintf(stderr, "short read from file %s (%s)\n",
+                    filename, strerror(errno));
+            return (0);
+        }
+        initcolors(localmap, 1<<localbits);
+    } else if (global) {
+        initcolors(globalmap, 1<<globalbits);
+    }
+    if ((status = readraster()))
+	rasterize(interleaved, mode);
+    _TIFFfree(raster);
+    return status;
+}
+
+/*
+ * 	readextension -
+ *		Read a GIF extension block (and do nothing with it).
+ *
+ */
+int
+readextension(void)
+{
+    int count;
+    char buf[255];
+    int status = 1;
+
+    (void) getc(infile);
+    while ((count = getc(infile)) && count >= 0 && count <= 255)
+        if (fread(buf, 1, count, infile) != (size_t) count) {
+            fprintf(stderr, "short read from file %s (%s)\n",
+                    filename, strerror(errno));
+            status = 0;
+            break;
+        }
+    return status;
+}
+
+/*
+ * 	readraster -
+ *		Decode a raster image
+ *
+ */
+int
+readraster(void)
+{
+    unsigned char *fill = raster;
+    unsigned char buf[255];
+    register int bits=0;
+    register unsigned long datum=0;
+    register unsigned char *ch;
+    register int count, code;
+    int status = 1;
+
+    datasize = getc(infile);
+    if (datasize > 12)
+	return 0;
+    clear = 1 << datasize;
+    eoi = clear + 1;
+    avail = clear + 2;
+    oldcode = -1;
+    codesize = datasize + 1;
+    codemask = (1 << codesize) - 1;
+    for (code = 0; code < clear; code++) {
+	prefix[code] = 0;
+	suffix[code] = code;
+    }
+    stackp = stack;
+    for (count = getc(infile); count > 0 && count <= 255; count = getc(infile)) {
+	if (fread(buf,1,count,infile) != (size_t)count) {
+            fprintf(stderr, "short read from file %s (%s)\n",
+                    filename, strerror(errno));
+            return 0;
+        }
+	for (ch=buf; count-- > 0; ch++) {
+	    datum += (unsigned long) *ch << bits;
+	    bits += 8;
+	    while (bits >= codesize) {
+		code = datum & codemask;
+		datum >>= codesize;
+		bits -= codesize;
+		if (code == eoi) {               /* This kludge put in */
+		    goto exitloop;               /* because some GIF files*/
+		}                                /* aren't standard */
+		if (!process(code, &fill)) {
+		    status = 0;
+		    goto exitloop;
+		}
+	    }
+	}
+	if (fill >= raster + width*height) {
+	    fprintf(stderr, "raster full before eoi code\n");
+	    break;
+	}
+    }
+exitloop:
+    if (fill != raster + width*height)  {
+	fprintf(stderr, "warning: wrong rastersize: %ld bytes\n",
+						      (long) (fill-raster));
+	fprintf(stderr, "         instead of %ld bytes\n",
+						      (long) width*height);
+    }
+    return status;
+}
+
+/*
+ * 	process - 
+ *		Process a compression code.  "clear" resets the code table.  
+ *	Otherwise make a new code table entry, and output the bytes 
+ *	associated with the code.
+ */
+int
+process(register int code, unsigned char** fill)
+{
+    int incode;
+    static unsigned char firstchar;
+
+    if (code == clear) {
+	codesize = datasize + 1;
+	codemask = (1 << codesize) - 1;
+	avail = clear + 2;
+	oldcode = -1;
+	return 1;
+    }
+
+    if (oldcode == -1) {
+        if (code >= clear) {
+            fprintf(stderr, "bad input: code=%d is larger than clear=%d\n",code, clear);
+            return 0;
+        }
+        if (*fill >= raster + width*height) {
+            fprintf(stderr, "raster full before eoi code\n");
+            return 0;
+        }
+	*(*fill)++ = suffix[code];
+	firstchar = oldcode = code;
+	return 1;
+    }
+    if (code > avail) {
+	fprintf(stderr, "code %d too large for %d\n", code, avail);
+	return 0; 
+    }
+
+    incode = code;
+    if (code == avail) {      /* the first code is always < avail */
+	*stackp++ = firstchar;
+	code = oldcode;
+    }
+    while (code > clear) {
+	*stackp++ = suffix[code];
+	code = prefix[code];
+    }
+
+    *stackp++ = firstchar = suffix[code];
+    prefix[avail] = oldcode;
+    suffix[avail] = firstchar;
+    avail++;
+
+    if (((avail & codemask) == 0) && (avail < 4096)) {
+	codesize++;
+	codemask += avail;
+    }
+    oldcode = incode;
+    do {
+        if (*fill >= raster + width*height) {
+            fprintf(stderr, "raster full before eoi code\n");
+            return 0;
+        }
+	*(*fill)++ = *--stackp;
+    } while (stackp > stack);
+    return 1;
+}
+
+/*
+ * 	initcolors -
+ *		Convert a color map (local or global) to arrays with R, G and B
+ * 	values. 
+ *
+ */
+void
+initcolors(unsigned char colormap[COLSIZE][3], int ncolors)
+{
+    register int i;
+
+    for (i = 0; i < ncolors; i++) {
+        red[i]   = gamtab[colormap[i][0]];
+        green[i] = gamtab[colormap[i][1]];
+        blue[i]  = gamtab[colormap[i][2]];
+    }
+}
+
+void
+rasterize(int interleaved, char* mode)
+{
+    register unsigned long row;
+    unsigned char *newras;
+    unsigned char *ras;
+    TIFF *tif;
+    tstrip_t strip;
+    tsize_t stripsize;
+
+    if ((newras = (unsigned char*) _TIFFmalloc(width*height+EXTRAFUDGE)) == NULL) {
+        fprintf(stderr, "not enough memory for image\n");
+        return;
+    }
+#define DRAWSEGMENT(offset, step) {			\
+        for (row = offset; row < height; row += step) {	\
+            _TIFFmemcpy(newras + row*width, ras, width);\
+            ras += width;                            	\
+        }						\
+    }
+    ras = raster;
+    if (interleaved) {
+        DRAWSEGMENT(0, 8);
+        DRAWSEGMENT(4, 8);
+        DRAWSEGMENT(2, 4);
+        DRAWSEGMENT(1, 2);
+    } else 
+        DRAWSEGMENT(0, 1);
+#undef DRAWSEGMENT
+
+    tif = TIFFOpen(imagename, mode);
+    if (!tif) {
+	TIFFError(imagename,"Can not open output image");
+	exit(-1);
+    }
+    TIFFSetField(tif, TIFFTAG_IMAGEWIDTH, (uint32) width);
+    TIFFSetField(tif, TIFFTAG_IMAGELENGTH, (uint32) height);
+    TIFFSetField(tif, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_PALETTE);
+    TIFFSetField(tif, TIFFTAG_PLANARCONFIG, PLANARCONFIG_CONTIG);
+    TIFFSetField(tif, TIFFTAG_SAMPLESPERPIXEL, 1);
+    TIFFSetField(tif, TIFFTAG_BITSPERSAMPLE, 8);
+    TIFFSetField(tif, TIFFTAG_ROWSPERSTRIP, 
+	rowsperstrip = TIFFDefaultStripSize(tif, rowsperstrip));
+    TIFFSetField(tif, TIFFTAG_COMPRESSION, compression);
+    switch (compression) {
+    case COMPRESSION_LZW:
+    case COMPRESSION_DEFLATE:
+	    if (predictor != 0)
+		    TIFFSetField(tif, TIFFTAG_PREDICTOR, predictor);
+	    break;
+    }
+    TIFFSetField(tif, TIFFTAG_COLORMAP, red, green, blue);
+    TIFFSetField(tif, TIFFTAG_ORIENTATION, ORIENTATION_TOPLEFT);
+    strip = 0;
+    stripsize = TIFFStripSize(tif);
+    for (row=0; row<height; row += rowsperstrip) {
+	if (rowsperstrip > height-row) {
+	    rowsperstrip = height-row;
+	    stripsize = TIFFVStripSize(tif, rowsperstrip);
+	}
+	if (TIFFWriteEncodedStrip(tif, strip, newras+row*width, stripsize) < 0)
+	    break;
+	strip++;
+    }
+    TIFFClose(tif);
+
+    _TIFFfree(newras);
+}
+
+/* vim: set ts=8 sts=8 sw=8 noet: */
+/*
+ * Local Variables:
+ * mode: c
+ * c-basic-offset: 4
+ * fill-column: 78
+ * End:
+ */
--- tiff-4.0.7/tools/Makefile.am	2016-12-08 09:15:01.640074405 +0100
+++ tiff-4.0.7/tools/Makefile.am	2016-12-08 09:18:27.083745315 +0100
@@ -34,6 +34,7 @@
 	bmp2tiff \
 	fax2ps \
 	fax2tiff \
+	gif2tiff \
 	pal2rgb \
 	ppm2tiff \
 	raw2tiff \
@@ -74,6 +75,9 @@
 fax2tiff_SOURCES = fax2tiff.c
 fax2tiff_LDADD = $(LIBTIFF) $(LIBPORT)
 
+gif2tiff_SOURCES = gif2tiff.c
+gif2tiff_LDADD = $(LIBTIFF) $(LIBPORT)
+
 pal2rgb_SOURCES = pal2rgb.c
 pal2rgb_LDADD = $(LIBTIFF) $(LIBPORT)

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File gif2tiff-comeback.patch of Package tiff.openSUSE_Leap_42.1_Update (Revision 9d2ce6017bb6924554f260848dc5632f)

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