X-Git-Url: https://git.distorted.org.uk/~mdw/become/blobdiff_plain/fe59d3d70fc7337b7a50c4fcff72d20967672157..f60a34341fee6aafd5b878dce23b80af7c60064d:/src/tx.c

diff --git a/src/tx.c b/src/tx.c
deleted file mode 100644
index 281902f..0000000
--- a/src/tx.c
+++ /dev/null
@@ -1,184 +0,0 @@
-/* -*-c-*-
- *
- * $Id: tx.c,v 1.3 1998/01/12 16:46:31 mdw Exp $
- *
- * Transfer for keys and other large integers
- *
- * (c) 1998 Mark Wooding
- */
-
-/*----- Licensing notice --------------------------------------------------*
- *
- * This file is part of `become'
- *
- * `Become' 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.
- *
- * `Become' 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 `become'; if not, write to the Free Software Foundation,
- * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- */
-
-/*----- Revision history --------------------------------------------------*
- *
- * $Log: tx.c,v $
- * Revision 1.3  1998/01/12 16:46:31  mdw
- * Fix copyright date.
- *
- * Revision 1.2  1997/08/04 10:24:25  mdw
- * Sources placed under CVS control.
- *
- * Revision 1.1  1997/07/21  13:47:43  mdw
- * Initial revision
- *
- */
-
-/*----- Header files ------------------------------------------------------*/
-
-/* --- ANSI headers --- */
-
-#include <errno.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-/* --- Local headers --- */
-
-#include "config.h"
-#include "tx.h"
-
-/*----- Main code ---------------------------------------------------------*/
-
-/* --- @tx_getBits@ --- *
- *
- * Arguments:	@unsigned char *k@ = pointer to key array to unpack into
- *		@size_t sz@ = number of bits to read (elements in array)
- *	       	@FILE *fp@ = stream to read from
- *
- * Returns:	---
- *
- * Use:		Reads a number of bits into an array.  The least significant
- *		bits of the final word are cleared to zero.
- */
-
-void tx_getBits(unsigned char *k, size_t sz, FILE *fp)
-{
-  int i = 0;
-  unsigned char a = 0;
-  unsigned int ch;
-  size_t wsz = (size_t)((sz + 7ul) & ~7ul);
-  int t;
-
-  while ((t = getc(fp)) != EOF) {
-
-    /* --- Allow separators for readbility --- */
-
-    if (t == '-')
-      continue;
-
-    /* --- Standard converting-from-hex-digit code --- *
-     *
-     * Assumes that 'a'--'f' and 'A'--'F' are contiguous and in order, in
-     * addition to the guarantee that '0'--'9' are like this.  The assumption
-     * is true in ASCII (and character sets based thereon) and EBCDIC.
-     */
-
-    ch = (unsigned)t;
-    ch -= '0';
-    if (ch > 9) ch -= 'A' - '0' - 10;
-    if (ch > 15) ch -= 'a' - 'A';
-    if (ch > 15) break;
-
-    /* --- Accumulate and maybe store --- */
-
-    a = (a << 4) | ch;
-    i++;
-    sz -= 4, wsz -= 4;
-    if ((i & 1) == 0)
-      *k++ = a, a = 0;
-    if (!sz)
-      break;
-  }
-
-  /* --- Pad the rest out with zeros --- */
-
-  while (wsz) {
-    a <<= 4;
-    i++;
-    wsz -= 4;
-    if ((i & 1) == 0)
-      *k++ = a, a = 0;
-  }
-}
-
-/* --- @tx_putBits@ --- *
- *
- * Arguments:	@unsigned char *k@ = pointer to key block
- *		@size_t sz@ = number of bits to write
- *		@FILE *fp@ = pointer to stream to write on
- *
- * Returns:	---
- *
- * Use:		Complements @tx_getBits@ above.  Writes a number of bits
- *		to a file in an easy-to-read and transportable format (hex!)
- */
-
-void tx_putBits(unsigned char *k, size_t sz, FILE *fp)
-{
-  const static char hex[16] = "0123456789abcdef";
-  size_t dash;
-  size_t d;
-  unsigned char i;
-
-  /* --- Don't do anything unless we have to --- */
-
-  if (!sz)
-    return;
-
-  /* --- Now decide where to `dash' the output --- */
-
-  if (sz % 32 == 0)
-    dash = 4;
-  else if (sz % 40 == 0)
-    dash = 5;
-  else
-    dash = 0;
-
-  /* --- Start writing values out --- */
-
-  d = dash;
-
-  for (;;) {
-
-    /* --- Write next byte out --- */
-
-    i = *k++;
-    putc(hex[(i >> 4) & 0x0fu], fp);
-    putc(hex[(i >> 0) & 0x0fu], fp);
-
-    /* --- If done, stop now --- */
-
-    if (sz -= 8, sz == 0)
-      break;
-
-    /* --- If need a dash, print one --- */
-
-    if (!--d) {
-      putc('-', fp);
-      d = dash;
-    }
-  }
-
-  /* --- Print the final newline --- */
-
-  fputc('\n', fp);
-}
-
-/*----- That's all, folks -------------------------------------------------*/