b_print.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
* This package is an SSL implementation written
* by Eric Young (eay@cryptsoft.com).
* The implementation was written so as to conform with Netscapes SSL.
*
* This library is free for commercial and non-commercial use as long as
* the following conditions are aheared to. The following conditions
* apply to all code found in this distribution, be it the RC4, RSA,
* lhash, DES, etc., code; not just the SSL code. The SSL documentation
* included with this distribution is covered by the same copyright terms
* except that the holder is Tim Hudson (tjh@cryptsoft.com).
*
* Copyright remains Eric Young's, and as such any Copyright notices in
* the code are not to be removed.
* If this package is used in a product, Eric Young should be given attribution
* as the author of the parts of the library used.
* This can be in the form of a textual message at program startup or
* in documentation (online or textual) provided with the package.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* "This product includes cryptographic software written by
* Eric Young (eay@cryptsoft.com)"
* The word 'cryptographic' can be left out if the rouines from the library
* being used are not cryptographic related :-).
* 4. If you include any Windows specific code (or a derivative thereof) from
* the apps directory (application code) you must include an acknowledgement:
* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
*
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* The licence and distribution terms for any publically available version or
* derivative of this code cannot be changed. i.e. this code cannot simply be
* copied and put under another distribution licence
* [including the GNU Public Licence.]
*/
/* disable assert() unless BIO_DEBUG has been defined */
#ifndef BIO_DEBUG
# ifndef NDEBUG
# define NDEBUG
# endif
#endif
/*
*/
#include <stdio.h>
#include <string.h>
#include <ctype.h>
#include <assert.h>
#include <limits.h>
#include "cryptlib.h"
#ifndef NO_SYS_TYPES_H
#endif
#ifdef BN_LLONG
# ifndef HAVE_LONG_LONG
# define HAVE_LONG_LONG 1
# endif
#endif
/***************************************************************************/
/*
* Copyright Patrick Powell 1995
* This code is based on code written by Patrick Powell <papowell@astart.com>
* It may be used for any purpose as long as this notice remains intact
* on all source code distributions.
*/
/*
* This code contains numerious changes and enhancements which were
* made by lots of contributors over the last years to Patrick Powell's
* original code:
*
* o Patrick Powell <papowell@astart.com> (1995)
* o Brandon Long <blong@fiction.net> (1996, for Mutt)
* o Thomas Roessler <roessler@guug.de> (1998, for Mutt)
* o Michael Elkins <me@cs.hmc.edu> (1998, for Mutt)
* o Andrew Tridgell <tridge@samba.org> (1998, for Samba)
* o Luke Mewburn <lukem@netbsd.org> (1999, for LukemFTP)
* o Ralf S. Engelschall <rse@engelschall.com> (1999, for Pth)
* o ... (for OpenSSL)
*/
#ifdef HAVE_LONG_DOUBLE
#define LDOUBLE long double
#else
#define LDOUBLE double
#endif
#if HAVE_LONG_LONG
# if defined(OPENSSL_SYS_WIN32) && !defined(__GNUC__)
# else
# define LLONG long long
# endif
#else
#define LLONG long
#endif
const char *, int, int, int);
LLONG, int, int, int, int);
LDOUBLE, int, int, int);
/* format read states */
#define DP_S_DEFAULT 0
#define DP_S_FLAGS 1
#define DP_S_MIN 2
#define DP_S_DOT 3
#define DP_S_MAX 4
#define DP_S_MOD 5
#define DP_S_CONV 6
#define DP_S_DONE 7
/* format flags - Bits */
#define DP_F_MINUS (1 << 0)
/* conversion flags */
#define DP_C_SHORT 1
#define DP_C_LONG 2
#define DP_C_LDOUBLE 3
#define DP_C_LLONG 4
/* some handy macros */
#define char_to_int(p) (p - '0')
#define OSSL_MAX(p,q) ((p >= q) ? p : q)
static void
char **sbuffer,
char **buffer,
int *truncated,
const char *format,
{
char ch;
char *strvalue;
int min;
int max;
int state;
int flags;
int cflags;
max = -1;
switch (state) {
case DP_S_DEFAULT:
if (ch == '%')
state = DP_S_FLAGS;
else
break;
case DP_S_FLAGS:
switch (ch) {
case '-':
flags |= DP_F_MINUS;
break;
case '+':
break;
case ' ':
flags |= DP_F_SPACE;
break;
case '#':
break;
case '0':
break;
default:
break;
}
break;
case DP_S_MIN:
} else if (ch == '*') {
} else
break;
case DP_S_DOT:
if (ch == '.') {
} else
break;
case DP_S_MAX:
if (max < 0)
max = 0;
} else if (ch == '*') {
} else
break;
case DP_S_MOD:
switch (ch) {
case 'h':
cflags = DP_C_SHORT;
break;
case 'l':
if (*format == 'l') {
cflags = DP_C_LLONG;
format++;
} else
break;
case 'q':
cflags = DP_C_LLONG;
break;
case 'L':
break;
default:
break;
}
break;
case DP_S_CONV:
switch (ch) {
case 'd':
case 'i':
switch (cflags) {
case DP_C_SHORT:
break;
case DP_C_LONG:
break;
case DP_C_LLONG:
break;
default:
break;
}
break;
case 'X':
/* FALLTHROUGH */
case 'x':
case 'o':
case 'u':
flags |= DP_F_UNSIGNED;
switch (cflags) {
case DP_C_SHORT:
break;
case DP_C_LONG:
unsigned long int);
break;
case DP_C_LLONG:
break;
default:
unsigned int);
break;
}
break;
case 'f':
if (cflags == DP_C_LDOUBLE)
else
break;
case 'E':
case 'e':
if (cflags == DP_C_LDOUBLE)
else
break;
case 'G':
case 'g':
if (cflags == DP_C_LDOUBLE)
else
break;
case 'c':
break;
case 's':
if (max < 0) {
if (buffer)
else
}
break;
case 'p':
break;
case 'n': /* XXX */
if (cflags == DP_C_SHORT) {
short int *num;
long int *num;
} else {
int *num;
}
break;
case '%':
break;
case 'w':
/* not supported yet, treat as next char */
break;
default:
/* unknown, skip */
break;
}
max = -1;
break;
case DP_S_DONE:
break;
default:
break;
}
}
if (*truncated)
return;
}
static void
char **sbuffer,
char **buffer,
const char *value,
int flags,
int min,
int max)
{
int cnt = 0;
if (value == 0)
value = "<NULL>";
;
if (padlen < 0)
padlen = 0;
if (flags & DP_F_MINUS)
--padlen;
++cnt;
}
++cnt;
}
++padlen;
++cnt;
}
}
static void
char **sbuffer,
char **buffer,
int base,
int min,
int max,
int flags)
{
int signvalue = 0;
char *prefix = "";
int place = 0;
int spadlen = 0;
int zpadlen = 0;
int caps = 0;
if (max < 0)
max = 0;
if (!(flags & DP_F_UNSIGNED)) {
if (value < 0) {
signvalue = '-';
signvalue = '+';
else if (flags & DP_F_SPACE)
signvalue = ' ';
}
}
caps = 1;
do {
place--;
if (zpadlen < 0)
zpadlen = 0;
if (spadlen < 0)
spadlen = 0;
spadlen = 0;
}
if (flags & DP_F_MINUS)
/* spaces */
while (spadlen > 0) {
--spadlen;
}
/* sign */
if (signvalue)
/* prefix */
while (*prefix) {
prefix++;
}
/* zeros */
if (zpadlen > 0) {
while (zpadlen > 0) {
--zpadlen;
}
}
/* digits */
while (place > 0)
/* left justified spaces */
while (spadlen < 0) {
++spadlen;
}
return;
}
static LDOUBLE
{
if (value < 0)
return result;
}
static LDOUBLE
{
while (in_exp) {
result *= 10;
in_exp--;
}
return result;
}
static long
{
long intpart;
if (value >= 0.5)
intpart++;
return intpart;
}
static void
char **sbuffer,
char **buffer,
int min,
int max,
int flags)
{
int signvalue = 0;
char iconvert[20];
char fconvert[20];
int iplace = 0;
int fplace = 0;
int padlen = 0;
int zpadlen = 0;
int caps = 0;
long intpart;
long fracpart;
if (max < 0)
max = 6;
if (fvalue < 0)
signvalue = '-';
signvalue = '+';
else if (flags & DP_F_SPACE)
signvalue = ' ';
/* sorry, we only support 9 digits past the decimal because of our
conversion method */
if (max > 9)
max = 9;
/* we "cheat" by converting the fractional part to integer by
multiplying by a factor of 10 */
intpart++;
}
/* convert integer part */
do {
(caps ? "0123456789ABCDEF"
iplace--;
/* convert fractional part */
do {
(caps ? "0123456789ABCDEF"
fplace--;
/* -1 for decimal point, another -1 if we are printing a sign */
if (zpadlen < 0)
zpadlen = 0;
if (padlen < 0)
padlen = 0;
if (flags & DP_F_MINUS)
if (signvalue) {
--padlen;
signvalue = 0;
}
while (padlen > 0) {
--padlen;
}
}
while (padlen > 0) {
--padlen;
}
if (signvalue)
while (iplace > 0)
/*
* Decimal point. This should probably use locale to find the correct
* char to print out.
*/
while (fplace > 0)
}
while (zpadlen > 0) {
--zpadlen;
}
while (padlen < 0) {
++padlen;
}
}
static void
char **sbuffer,
char **buffer,
int c)
{
/* If we haven't at least one buffer, someone has doe a big booboo */
if (buffer) {
if (*maxlen == 0)
*maxlen = 1024;
if (*currlen > 0) {
}
} else {
*maxlen += 1024;
}
}
/* What to do if *buffer is NULL? */
}
if (*sbuffer)
else
}
return;
}
/***************************************************************************/
{
int ret;
return(ret);
}
{
int ret;
in small-stack environments, like threads
or DOS programs. */
int ignored;
CRYPTO_push_info("doapr()");
if (dynbuf)
{
}
else
{
}
return(ret);
}
/* As snprintf is not available everywhere, we provide our own implementation.
* This function has nothing to do with BIOs, but it's closely related
* to BIO_printf, and we need *some* name prefix ...
* (XXX the function should be renamed, but to what?) */
{
int ret;
return(ret);
}
{
int truncated;
if (truncated)
/* In case of truncation, return -1 like traditional snprintf.
* the number of characters that would have been written,
* had the buffer been large enough.) */
return -1;
else
}