mirror of
https://github.com/signalwire/freeswitch.git
synced 2025-02-05 10:34:54 +00:00
d2edcad66e
Thanks to Phil Zimmermann for the code and for the license exception we needed to include it. There remains some build system integration work to be done before this code will build properly in the FreeSWITCH tree.
77 lines
1.5 KiB
C
77 lines
1.5 KiB
C
/*
|
|
* Copyright (c) 1995 Colin Plumb. All rights reserved.
|
|
* For licensing and other legal details, see the file legal.c.
|
|
*
|
|
* bnprint.c - Print a bignum, for debugging purposes.
|
|
*/
|
|
#ifndef HAVE_CONFIG_H
|
|
#define HAVE_CONFIG_H 0
|
|
#endif
|
|
#if HAVE_CONFIG_H
|
|
#include "bnconfig.h"
|
|
#endif
|
|
|
|
/*
|
|
* Some compilers complain about #if FOO if FOO isn't defined,
|
|
* so do the ANSI-mandated thing explicitly...
|
|
*/
|
|
#ifndef NO_STRING_H
|
|
#define NO_STRING_H 0
|
|
#endif
|
|
#ifndef HAVE_STRINGS_H
|
|
#define HAVE_STRINGS_H 0
|
|
#endif
|
|
|
|
#include <stdio.h>
|
|
|
|
#if !NO_STRING_H
|
|
#include <string.h>
|
|
#elif HAVE_STRINGS_H
|
|
#include <strings.h>
|
|
#endif
|
|
|
|
#include "bn.h"
|
|
#include "bnprint.h"
|
|
|
|
#include "kludge.h"
|
|
|
|
int
|
|
bnPrint(FILE *f, char const *prefix, struct BigNum const *bn,
|
|
char const *suffix)
|
|
{
|
|
unsigned char temp[32]; /* How much to print on one line */
|
|
unsigned len;
|
|
size_t i;
|
|
|
|
if (prefix && fputs(prefix, f) < 0)
|
|
return EOF;
|
|
|
|
len = (bnBits(bn) + 7)/ 8;
|
|
|
|
if (!len) {
|
|
if (putc('0', f) < 0)
|
|
return EOF;
|
|
} else {
|
|
while (len > sizeof(temp)) {
|
|
len -= sizeof(temp);
|
|
bnExtractBigBytes(bn, temp, len, sizeof(temp));
|
|
for (i = 0; i < sizeof(temp); i++)
|
|
if (fprintf(f, "%02X", temp[i]) < 0)
|
|
return EOF;
|
|
if (putc('\\', f) < 0 || putc('\n', f) < 0)
|
|
return EOF;
|
|
if (prefix) {
|
|
i = strlen(prefix);
|
|
while (i--)
|
|
if (putc(' ', f) < 0)
|
|
return EOF;
|
|
}
|
|
}
|
|
bnExtractBigBytes(bn, temp, 0, len);
|
|
for (i = 0; i < len; i++)
|
|
if (fprintf(f, "%02X", temp[i]) < 0)
|
|
return EOF;
|
|
}
|
|
return suffix ? fputs(suffix, f) : 0;
|
|
}
|