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-rw-r--r--ksokoban/images/bin2c.c256
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diff --git a/ksokoban/images/bin2c.c b/ksokoban/images/bin2c.c
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+/*
+ * bin2c - compresses data files & converts the result to C source code
+ * Copyright (C) 1998-2000 Anders Widell <awl@hem.passagen.se>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+/*
+ * This command uses the zlib library to compress each file given on
+ * the command line, and outputs the compressed data as C source code
+ * to the file 'data.c' in the current directory
+ *
+ */
+
+#include "../../config.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#ifdef USE_LIBZ
+#include <zlib.h>
+#else
+typedef unsigned char Bytef;
+typedef unsigned long uLongf;
+#endif
+
+#define BUFSIZE 16384 /* Increase buffer size by this amount */
+
+static Bytef *source=NULL; /* Buffer containing uncompressed data */
+static Bytef *dest=NULL; /* Buffer containing compressed data */
+static uLongf sourceBufSize=0; /* Buffer size */
+#ifdef USE_LIBZ
+static uLongf destBufSize=0; /* Buffer size */
+#endif
+
+static uLongf sourceLen; /* Length of uncompressed data */
+static uLongf destLen; /* Length of compressed data */
+
+static FILE *infile=NULL; /* The input file containing binary data */
+static FILE *outfile=NULL; /* The output file 'data.c' */
+
+static const char *programName="";
+
+/*
+ * Print error message and free allocated resources
+ *
+ */
+
+static int
+error (msg1, msg2, msg3)
+ char *msg1;
+ char *msg2;
+ char *msg3;
+{
+ fprintf (stderr, "%s: %s%s%s\n", programName, msg1, msg2, msg3);
+
+ if (infile != NULL) fclose (infile);
+ if (outfile != NULL) fclose (outfile);
+ remove ("data.c");
+ free (dest);
+ free (source);
+
+ return 1;
+}
+
+/*
+ * Replacement for strrchr in case it isn't present in libc
+ *
+ */
+
+static char *
+my_strrchr (s, c)
+ char *s;
+ int c;
+{
+ char *ptr = NULL;
+
+ while (*s) {
+ if (*s == c) ptr = s;
+ s++;
+ }
+
+ return ptr;
+}
+
+#ifdef USE_LIBZ
+/*
+ * NOTE: my_compress2 is taken directly from zlib 1.1.3
+ *
+ * This is for compatibility with early versions of zlib that
+ * don't have the compress2 function.
+ *
+ */
+
+/* ===========================================================================
+ Compresses the source buffer into the destination buffer. The level
+ parameter has the same meaning as in deflateInit. sourceLen is the byte
+ length of the source buffer. Upon entry, destLen is the total size of the
+ destination buffer, which must be at least 0.1% larger than sourceLen plus
+ 12 bytes. Upon exit, destLen is the actual size of the compressed buffer.
+
+ compress2 returns Z_OK if success, Z_MEM_ERROR if there was not enough
+ memory, Z_BUF_ERROR if there was not enough room in the output buffer,
+ Z_STREAM_ERROR if the level parameter is invalid.
+*/
+int my_compress2 (dest, destLen, source, sourceLen, level)
+ Bytef *dest;
+ uLongf *destLen;
+ const Bytef *source;
+ uLong sourceLen;
+ int level;
+{
+ z_stream stream;
+ int err;
+
+ stream.next_in = (Bytef*)source;
+ stream.avail_in = (uInt)sourceLen;
+#ifdef MAXSEG_64K
+ /* Check for source > 64K on 16-bit machine: */
+ if ((uLong)stream.avail_in != sourceLen) return Z_BUF_ERROR;
+#endif
+ stream.next_out = dest;
+ stream.avail_out = (uInt)*destLen;
+ if ((uLong)stream.avail_out != *destLen) return Z_BUF_ERROR;
+
+ stream.zalloc = (alloc_func)0;
+ stream.zfree = (free_func)0;
+ stream.opaque = (voidpf)0;
+
+ err = deflateInit(&stream, level);
+ if (err != Z_OK) return err;
+
+ err = deflate(&stream, Z_FINISH);
+ if (err != Z_STREAM_END) {
+ deflateEnd(&stream);
+ return err == Z_OK ? Z_BUF_ERROR : err;
+ }
+ *destLen = stream.total_out;
+
+ err = deflateEnd(&stream);
+ return err;
+}
+#endif
+
+int
+main (argc, argv)
+ int argc;
+ char **argv;
+{
+ int i;
+ const char *suffix;
+#ifdef USE_LIBZ
+ int result;
+#endif
+ unsigned j;
+ char *ptr;
+ int position;
+
+ programName = argv[0];
+
+ outfile = fopen ("data.c", "w");
+ if (outfile == NULL) {
+ fprintf (stderr, "%s: can't open 'data.c' for writing\n", argv[0]);
+ return 1;
+ }
+
+ suffix = argv[1];
+ /* Process each file given on command line */
+ for (i=2; i<argc; i++) {
+ infile = fopen (argv[i], "rb");
+ if (infile == NULL) return error ("can't open '", argv[i], "' for reading");
+
+ /* Read infile to source buffer */
+ sourceLen = 0;
+ while (!feof (infile)) {
+ if (sourceLen + BUFSIZE > sourceBufSize) {
+ sourceBufSize += BUFSIZE;
+ source = realloc (source, sourceBufSize);
+ if (source == NULL) return error ("memory exhausted", "", "");
+ }
+ sourceLen += fread (source+sourceLen, 1, BUFSIZE, infile);
+ if (ferror (infile)) return error ("error reading '", argv[i], "'");
+ }
+ fclose (infile);
+
+#ifdef USE_LIBZ
+
+ /* (Re)allocate dest buffer */
+ destLen = sourceBufSize + (sourceBufSize+9)/10 + 12;
+ if (destBufSize < destLen) {
+ destBufSize = destLen;
+ dest = realloc (dest, destBufSize);
+ if (dest == NULL) return error ("memory exhausted", "", "");
+ }
+
+ /* Compress dest buffer */
+ destLen = destBufSize;
+ result = my_compress2 (dest, &destLen, source, sourceLen, 9);
+ if (result != Z_OK) return error ("error compressing '", argv[i], "'");
+
+#else
+
+ destLen = sourceLen;
+ dest = source;
+
+#endif
+
+ /* Output dest buffer as C source code to outfile */
+ ptr = my_strrchr (argv[i], '.');
+ if (ptr != NULL) *ptr = '\0';
+ /* use only the file 2name and throw away the path name */
+ position = strlen(argv[i]) - 1;
+ while (position && argv[i][position] != '/') position--;
+ if (argv[i][position] == '/') position++;
+
+ fprintf (outfile, "static const unsigned char %s_data_%s[] = {\n", argv[i] + position, suffix);
+
+ for (j=0; j<destLen-1; j++) {
+ switch (j%8) {
+ case 0:
+ fprintf (outfile, " 0x%02x, ", ((unsigned) dest[j]) & 0xffu);
+ break;
+ case 7:
+ fprintf (outfile, "0x%02x,\n", ((unsigned) dest[j]) & 0xffu);
+ break;
+ default:
+ fprintf (outfile, "0x%02x, ", ((unsigned) dest[j]) & 0xffu);
+ break;
+ }
+ }
+
+ if ((destLen-1)%8 == 0) fprintf (outfile, " 0x%02x\n};\n\n", ((unsigned) dest[destLen-1]) & 0xffu);
+ else fprintf (outfile, "0x%02x\n};\n\n", ((unsigned) dest[destLen-1]) & 0xffu);
+ }
+
+ fclose (outfile);
+#ifdef USE_LIBZ
+ free (dest);
+#endif
+ free (source);
+
+ return 0;
+}
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