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/*
* 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.
*/
#include <stdio.h>
#include <string.h>
/*
* Hack program to construct tables used to find
* runs of zeros and ones in Group 3 Fax encoding.
*/
dumparray(name, runs) char *name;
unsigned char runs[256];
{
int i;
char *sep;
printf("static unsigned char %s[256] = {\n", name);
sep = " ";
for (i = 0; i < 256; i++)
{
printf("%s%d", sep, runs[i]);
if (((i + 1) % 16) == 0)
{
printf(", /* 0x%02x - 0x%02x */\n", i - 15, i);
sep = " ";
}
else
sep = ", ";
}
printf("\n};\n");
}
main()
{
unsigned char runs[2][256];
memset(runs[0], 0, 256 * sizeof(char));
memset(runs[1], 0, 256 * sizeof(char));
{
register int run, runlen, i;
runlen = 1;
for (run = 0x80; run != 0xff; run = (run >> 1) | 0x80)
{
for (i = run - 1; i >= 0; i--)
{
runs[1][run | i] = runlen;
runs[0][(~(run | i)) & 0xff] = runlen;
}
runlen++;
}
runs[1][0xff] = runs[0][0] = 8;
}
dumparray("bruns", runs[0]);
dumparray("wruns", runs[1]);
}
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