819 lines
24 KiB
C
819 lines
24 KiB
C
/* crypto/bio/b_print.c */
|
|
/* 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
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 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
|
|
|
|
/*
|
|
* Stolen from tjh's ssl/ssl_trc.c stuff.
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <ctype.h>
|
|
#include <assert.h>
|
|
#include <limits.h>
|
|
#include "cryptlib.h"
|
|
#ifndef NO_SYS_TYPES_H
|
|
# include <sys/types.h>
|
|
#endif
|
|
#include <openssl/bn.h> /* To get BN_LLONG properly defined */
|
|
#include <openssl/bio.h>
|
|
|
|
#if defined(BN_LLONG) || defined(SIXTY_FOUR_BIT)
|
|
# 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
|
|
|
|
#ifdef HAVE_LONG_LONG
|
|
# if defined(_WIN32) && !defined(__GNUC__)
|
|
# define LLONG __int64
|
|
# else
|
|
# define LLONG long long
|
|
# endif
|
|
#else
|
|
# define LLONG long
|
|
#endif
|
|
|
|
static void fmtstr(char **, char **, size_t *, size_t *,
|
|
const char *, int, int, int);
|
|
static void fmtint(char **, char **, size_t *, size_t *,
|
|
LLONG, int, int, int, int);
|
|
static void fmtfp(char **, char **, size_t *, size_t *,
|
|
LDOUBLE, int, int, int);
|
|
static void doapr_outch(char **, char **, size_t *, size_t *, int);
|
|
static void _dopr(char **sbuffer, char **buffer,
|
|
size_t *maxlen, size_t *retlen, int *truncated,
|
|
const char *format, va_list args);
|
|
|
|
/* 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)
|
|
#define DP_F_PLUS (1 << 1)
|
|
#define DP_F_SPACE (1 << 2)
|
|
#define DP_F_NUM (1 << 3)
|
|
#define DP_F_ZERO (1 << 4)
|
|
#define DP_F_UP (1 << 5)
|
|
#define DP_F_UNSIGNED (1 << 6)
|
|
|
|
/* 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
|
|
_dopr(char **sbuffer,
|
|
char **buffer,
|
|
size_t *maxlen,
|
|
size_t *retlen, int *truncated, const char *format, va_list args)
|
|
{
|
|
char ch;
|
|
LLONG value;
|
|
LDOUBLE fvalue;
|
|
char *strvalue;
|
|
int min;
|
|
int max;
|
|
int state;
|
|
int flags;
|
|
int cflags;
|
|
size_t currlen;
|
|
|
|
state = DP_S_DEFAULT;
|
|
flags = currlen = cflags = min = 0;
|
|
max = -1;
|
|
ch = *format++;
|
|
|
|
while (state != DP_S_DONE) {
|
|
if (ch == '\0' || (buffer == NULL && currlen >= *maxlen))
|
|
state = DP_S_DONE;
|
|
|
|
switch (state) {
|
|
case DP_S_DEFAULT:
|
|
if (ch == '%')
|
|
state = DP_S_FLAGS;
|
|
else
|
|
doapr_outch(sbuffer, buffer, &currlen, maxlen, ch);
|
|
ch = *format++;
|
|
break;
|
|
case DP_S_FLAGS:
|
|
switch (ch) {
|
|
case '-':
|
|
flags |= DP_F_MINUS;
|
|
ch = *format++;
|
|
break;
|
|
case '+':
|
|
flags |= DP_F_PLUS;
|
|
ch = *format++;
|
|
break;
|
|
case ' ':
|
|
flags |= DP_F_SPACE;
|
|
ch = *format++;
|
|
break;
|
|
case '#':
|
|
flags |= DP_F_NUM;
|
|
ch = *format++;
|
|
break;
|
|
case '0':
|
|
flags |= DP_F_ZERO;
|
|
ch = *format++;
|
|
break;
|
|
default:
|
|
state = DP_S_MIN;
|
|
break;
|
|
}
|
|
break;
|
|
case DP_S_MIN:
|
|
if (isdigit((unsigned char)ch)) {
|
|
min = 10 * min + char_to_int(ch);
|
|
ch = *format++;
|
|
} else if (ch == '*') {
|
|
min = va_arg(args, int);
|
|
ch = *format++;
|
|
state = DP_S_DOT;
|
|
} else
|
|
state = DP_S_DOT;
|
|
break;
|
|
case DP_S_DOT:
|
|
if (ch == '.') {
|
|
state = DP_S_MAX;
|
|
ch = *format++;
|
|
} else
|
|
state = DP_S_MOD;
|
|
break;
|
|
case DP_S_MAX:
|
|
if (isdigit((unsigned char)ch)) {
|
|
if (max < 0)
|
|
max = 0;
|
|
max = 10 * max + char_to_int(ch);
|
|
ch = *format++;
|
|
} else if (ch == '*') {
|
|
max = va_arg(args, int);
|
|
ch = *format++;
|
|
state = DP_S_MOD;
|
|
} else
|
|
state = DP_S_MOD;
|
|
break;
|
|
case DP_S_MOD:
|
|
switch (ch) {
|
|
case 'h':
|
|
cflags = DP_C_SHORT;
|
|
ch = *format++;
|
|
break;
|
|
case 'l':
|
|
if (*format == 'l') {
|
|
cflags = DP_C_LLONG;
|
|
format++;
|
|
} else
|
|
cflags = DP_C_LONG;
|
|
ch = *format++;
|
|
break;
|
|
case 'q':
|
|
cflags = DP_C_LLONG;
|
|
ch = *format++;
|
|
break;
|
|
case 'L':
|
|
cflags = DP_C_LDOUBLE;
|
|
ch = *format++;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
state = DP_S_CONV;
|
|
break;
|
|
case DP_S_CONV:
|
|
switch (ch) {
|
|
case 'd':
|
|
case 'i':
|
|
switch (cflags) {
|
|
case DP_C_SHORT:
|
|
value = (short int)va_arg(args, int);
|
|
break;
|
|
case DP_C_LONG:
|
|
value = va_arg(args, long int);
|
|
break;
|
|
case DP_C_LLONG:
|
|
value = va_arg(args, LLONG);
|
|
break;
|
|
default:
|
|
value = va_arg(args, int);
|
|
break;
|
|
}
|
|
fmtint(sbuffer, buffer, &currlen, maxlen,
|
|
value, 10, min, max, flags);
|
|
break;
|
|
case 'X':
|
|
flags |= DP_F_UP;
|
|
/* FALLTHROUGH */
|
|
case 'x':
|
|
case 'o':
|
|
case 'u':
|
|
flags |= DP_F_UNSIGNED;
|
|
switch (cflags) {
|
|
case DP_C_SHORT:
|
|
value = (unsigned short int)va_arg(args, unsigned int);
|
|
break;
|
|
case DP_C_LONG:
|
|
value = (LLONG) va_arg(args, unsigned long int);
|
|
break;
|
|
case DP_C_LLONG:
|
|
value = va_arg(args, unsigned LLONG);
|
|
break;
|
|
default:
|
|
value = (LLONG) va_arg(args, unsigned int);
|
|
break;
|
|
}
|
|
fmtint(sbuffer, buffer, &currlen, maxlen, value,
|
|
ch == 'o' ? 8 : (ch == 'u' ? 10 : 16),
|
|
min, max, flags);
|
|
break;
|
|
case 'f':
|
|
if (cflags == DP_C_LDOUBLE)
|
|
fvalue = va_arg(args, LDOUBLE);
|
|
else
|
|
fvalue = va_arg(args, double);
|
|
fmtfp(sbuffer, buffer, &currlen, maxlen,
|
|
fvalue, min, max, flags);
|
|
break;
|
|
case 'E':
|
|
flags |= DP_F_UP;
|
|
case 'e':
|
|
if (cflags == DP_C_LDOUBLE)
|
|
fvalue = va_arg(args, LDOUBLE);
|
|
else
|
|
fvalue = va_arg(args, double);
|
|
break;
|
|
case 'G':
|
|
flags |= DP_F_UP;
|
|
case 'g':
|
|
if (cflags == DP_C_LDOUBLE)
|
|
fvalue = va_arg(args, LDOUBLE);
|
|
else
|
|
fvalue = va_arg(args, double);
|
|
break;
|
|
case 'c':
|
|
doapr_outch(sbuffer, buffer, &currlen, maxlen,
|
|
va_arg(args, int));
|
|
break;
|
|
case 's':
|
|
strvalue = va_arg(args, char *);
|
|
if (max < 0) {
|
|
if (buffer)
|
|
max = INT_MAX;
|
|
else
|
|
max = *maxlen;
|
|
}
|
|
fmtstr(sbuffer, buffer, &currlen, maxlen, strvalue,
|
|
flags, min, max);
|
|
break;
|
|
case 'p':
|
|
value = (long)va_arg(args, void *);
|
|
fmtint(sbuffer, buffer, &currlen, maxlen,
|
|
value, 16, min, max, flags | DP_F_NUM);
|
|
break;
|
|
case 'n': /* XXX */
|
|
if (cflags == DP_C_SHORT) {
|
|
short int *num;
|
|
num = va_arg(args, short int *);
|
|
*num = currlen;
|
|
} else if (cflags == DP_C_LONG) { /* XXX */
|
|
long int *num;
|
|
num = va_arg(args, long int *);
|
|
*num = (long int)currlen;
|
|
} else if (cflags == DP_C_LLONG) { /* XXX */
|
|
LLONG *num;
|
|
num = va_arg(args, LLONG *);
|
|
*num = (LLONG) currlen;
|
|
} else {
|
|
int *num;
|
|
num = va_arg(args, int *);
|
|
*num = currlen;
|
|
}
|
|
break;
|
|
case '%':
|
|
doapr_outch(sbuffer, buffer, &currlen, maxlen, ch);
|
|
break;
|
|
case 'w':
|
|
/* not supported yet, treat as next char */
|
|
ch = *format++;
|
|
break;
|
|
default:
|
|
/* unknown, skip */
|
|
break;
|
|
}
|
|
ch = *format++;
|
|
state = DP_S_DEFAULT;
|
|
flags = cflags = min = 0;
|
|
max = -1;
|
|
break;
|
|
case DP_S_DONE:
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
*truncated = (currlen > *maxlen - 1);
|
|
if (*truncated)
|
|
currlen = *maxlen - 1;
|
|
doapr_outch(sbuffer, buffer, &currlen, maxlen, '\0');
|
|
*retlen = currlen - 1;
|
|
return;
|
|
}
|
|
|
|
static void
|
|
fmtstr(char **sbuffer,
|
|
char **buffer,
|
|
size_t *currlen,
|
|
size_t *maxlen, const char *value, int flags, int min, int max)
|
|
{
|
|
int padlen, strln;
|
|
int cnt = 0;
|
|
|
|
if (value == 0)
|
|
value = "<NULL>";
|
|
for (strln = 0; value[strln]; ++strln) ;
|
|
padlen = min - strln;
|
|
if (padlen < 0)
|
|
padlen = 0;
|
|
if (flags & DP_F_MINUS)
|
|
padlen = -padlen;
|
|
|
|
while ((padlen > 0) && (cnt < max)) {
|
|
doapr_outch(sbuffer, buffer, currlen, maxlen, ' ');
|
|
--padlen;
|
|
++cnt;
|
|
}
|
|
while (*value && (cnt < max)) {
|
|
doapr_outch(sbuffer, buffer, currlen, maxlen, *value++);
|
|
++cnt;
|
|
}
|
|
while ((padlen < 0) && (cnt < max)) {
|
|
doapr_outch(sbuffer, buffer, currlen, maxlen, ' ');
|
|
++padlen;
|
|
++cnt;
|
|
}
|
|
}
|
|
|
|
static void
|
|
fmtint(char **sbuffer,
|
|
char **buffer,
|
|
size_t *currlen,
|
|
size_t *maxlen, LLONG value, int base, int min, int max, int flags)
|
|
{
|
|
int signvalue = 0;
|
|
const char *prefix = "";
|
|
unsigned LLONG uvalue;
|
|
char convert[DECIMAL_SIZE(value) + 3];
|
|
int place = 0;
|
|
int spadlen = 0;
|
|
int zpadlen = 0;
|
|
int caps = 0;
|
|
|
|
if (max < 0)
|
|
max = 0;
|
|
uvalue = value;
|
|
if (!(flags & DP_F_UNSIGNED)) {
|
|
if (value < 0) {
|
|
signvalue = '-';
|
|
uvalue = -value;
|
|
} else if (flags & DP_F_PLUS)
|
|
signvalue = '+';
|
|
else if (flags & DP_F_SPACE)
|
|
signvalue = ' ';
|
|
}
|
|
if (flags & DP_F_NUM) {
|
|
if (base == 8)
|
|
prefix = "0";
|
|
if (base == 16)
|
|
prefix = "0x";
|
|
}
|
|
if (flags & DP_F_UP)
|
|
caps = 1;
|
|
do {
|
|
convert[place++] = (caps ? "0123456789ABCDEF" : "0123456789abcdef")
|
|
[uvalue % (unsigned)base];
|
|
uvalue = (uvalue / (unsigned)base);
|
|
} while (uvalue && (place < (int)sizeof(convert)));
|
|
if (place == sizeof(convert))
|
|
place--;
|
|
convert[place] = 0;
|
|
|
|
zpadlen = max - place;
|
|
spadlen =
|
|
min - OSSL_MAX(max, place) - (signvalue ? 1 : 0) - strlen(prefix);
|
|
if (zpadlen < 0)
|
|
zpadlen = 0;
|
|
if (spadlen < 0)
|
|
spadlen = 0;
|
|
if (flags & DP_F_ZERO) {
|
|
zpadlen = OSSL_MAX(zpadlen, spadlen);
|
|
spadlen = 0;
|
|
}
|
|
if (flags & DP_F_MINUS)
|
|
spadlen = -spadlen;
|
|
|
|
/* spaces */
|
|
while (spadlen > 0) {
|
|
doapr_outch(sbuffer, buffer, currlen, maxlen, ' ');
|
|
--spadlen;
|
|
}
|
|
|
|
/* sign */
|
|
if (signvalue)
|
|
doapr_outch(sbuffer, buffer, currlen, maxlen, signvalue);
|
|
|
|
/* prefix */
|
|
while (*prefix) {
|
|
doapr_outch(sbuffer, buffer, currlen, maxlen, *prefix);
|
|
prefix++;
|
|
}
|
|
|
|
/* zeros */
|
|
if (zpadlen > 0) {
|
|
while (zpadlen > 0) {
|
|
doapr_outch(sbuffer, buffer, currlen, maxlen, '0');
|
|
--zpadlen;
|
|
}
|
|
}
|
|
/* digits */
|
|
while (place > 0)
|
|
doapr_outch(sbuffer, buffer, currlen, maxlen, convert[--place]);
|
|
|
|
/* left justified spaces */
|
|
while (spadlen < 0) {
|
|
doapr_outch(sbuffer, buffer, currlen, maxlen, ' ');
|
|
++spadlen;
|
|
}
|
|
return;
|
|
}
|
|
|
|
static LDOUBLE abs_val(LDOUBLE value)
|
|
{
|
|
LDOUBLE result = value;
|
|
if (value < 0)
|
|
result = -value;
|
|
return result;
|
|
}
|
|
|
|
static LDOUBLE pow_10(int in_exp)
|
|
{
|
|
LDOUBLE result = 1;
|
|
while (in_exp) {
|
|
result *= 10;
|
|
in_exp--;
|
|
}
|
|
return result;
|
|
}
|
|
|
|
static long roundv(LDOUBLE value)
|
|
{
|
|
long intpart;
|
|
intpart = (long)value;
|
|
value = value - intpart;
|
|
if (value >= 0.5)
|
|
intpart++;
|
|
return intpart;
|
|
}
|
|
|
|
static void
|
|
fmtfp(char **sbuffer,
|
|
char **buffer,
|
|
size_t *currlen,
|
|
size_t *maxlen, LDOUBLE fvalue, int min, int max, int flags)
|
|
{
|
|
int signvalue = 0;
|
|
LDOUBLE ufvalue;
|
|
char iconvert[20];
|
|
char fconvert[20];
|
|
int iplace = 0;
|
|
int fplace = 0;
|
|
int padlen = 0;
|
|
int zpadlen = 0;
|
|
long intpart;
|
|
long fracpart;
|
|
long max10;
|
|
|
|
if (max < 0)
|
|
max = 6;
|
|
ufvalue = abs_val(fvalue);
|
|
if (fvalue < 0)
|
|
signvalue = '-';
|
|
else if (flags & DP_F_PLUS)
|
|
signvalue = '+';
|
|
else if (flags & DP_F_SPACE)
|
|
signvalue = ' ';
|
|
|
|
intpart = (long)ufvalue;
|
|
|
|
/*
|
|
* 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
|
|
*/
|
|
max10 = roundv(pow_10(max));
|
|
fracpart = roundv(pow_10(max) * (ufvalue - intpart));
|
|
|
|
if (fracpart >= max10) {
|
|
intpart++;
|
|
fracpart -= max10;
|
|
}
|
|
|
|
/* convert integer part */
|
|
do {
|
|
iconvert[iplace++] = "0123456789"[intpart % 10];
|
|
intpart = (intpart / 10);
|
|
} while (intpart && (iplace < (int)sizeof(iconvert)));
|
|
if (iplace == sizeof iconvert)
|
|
iplace--;
|
|
iconvert[iplace] = 0;
|
|
|
|
/* convert fractional part */
|
|
do {
|
|
fconvert[fplace++] = "0123456789"[fracpart % 10];
|
|
fracpart = (fracpart / 10);
|
|
} while (fplace < max);
|
|
if (fplace == sizeof fconvert)
|
|
fplace--;
|
|
fconvert[fplace] = 0;
|
|
|
|
/* -1 for decimal point, another -1 if we are printing a sign */
|
|
padlen = min - iplace - max - 1 - ((signvalue) ? 1 : 0);
|
|
zpadlen = max - fplace;
|
|
if (zpadlen < 0)
|
|
zpadlen = 0;
|
|
if (padlen < 0)
|
|
padlen = 0;
|
|
if (flags & DP_F_MINUS)
|
|
padlen = -padlen;
|
|
|
|
if ((flags & DP_F_ZERO) && (padlen > 0)) {
|
|
if (signvalue) {
|
|
doapr_outch(sbuffer, buffer, currlen, maxlen, signvalue);
|
|
--padlen;
|
|
signvalue = 0;
|
|
}
|
|
while (padlen > 0) {
|
|
doapr_outch(sbuffer, buffer, currlen, maxlen, '0');
|
|
--padlen;
|
|
}
|
|
}
|
|
while (padlen > 0) {
|
|
doapr_outch(sbuffer, buffer, currlen, maxlen, ' ');
|
|
--padlen;
|
|
}
|
|
if (signvalue)
|
|
doapr_outch(sbuffer, buffer, currlen, maxlen, signvalue);
|
|
|
|
while (iplace > 0)
|
|
doapr_outch(sbuffer, buffer, currlen, maxlen, iconvert[--iplace]);
|
|
|
|
/*
|
|
* Decimal point. This should probably use locale to find the correct
|
|
* char to print out.
|
|
*/
|
|
if (max > 0 || (flags & DP_F_NUM)) {
|
|
doapr_outch(sbuffer, buffer, currlen, maxlen, '.');
|
|
|
|
while (fplace > 0)
|
|
doapr_outch(sbuffer, buffer, currlen, maxlen, fconvert[--fplace]);
|
|
}
|
|
while (zpadlen > 0) {
|
|
doapr_outch(sbuffer, buffer, currlen, maxlen, '0');
|
|
--zpadlen;
|
|
}
|
|
|
|
while (padlen < 0) {
|
|
doapr_outch(sbuffer, buffer, currlen, maxlen, ' ');
|
|
++padlen;
|
|
}
|
|
}
|
|
|
|
static void
|
|
doapr_outch(char **sbuffer,
|
|
char **buffer, size_t *currlen, size_t *maxlen, int c)
|
|
{
|
|
/* If we haven't at least one buffer, someone has doe a big booboo */
|
|
assert(*sbuffer != NULL || buffer != NULL);
|
|
|
|
/* |currlen| must always be <= |*maxlen| */
|
|
assert(*currlen <= *maxlen);
|
|
|
|
if (buffer && *currlen == *maxlen) {
|
|
*maxlen += 1024;
|
|
if (*buffer == NULL) {
|
|
*buffer = OPENSSL_malloc(*maxlen);
|
|
if (!*buffer) {
|
|
/* Panic! Can't really do anything sensible. Just return */
|
|
return;
|
|
}
|
|
if (*currlen > 0) {
|
|
assert(*sbuffer != NULL);
|
|
memcpy(*buffer, *sbuffer, *currlen);
|
|
}
|
|
*sbuffer = NULL;
|
|
} else {
|
|
*buffer = OPENSSL_realloc(*buffer, *maxlen);
|
|
if (!*buffer) {
|
|
/* Panic! Can't really do anything sensible. Just return */
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (*currlen < *maxlen) {
|
|
if (*sbuffer)
|
|
(*sbuffer)[(*currlen)++] = (char)c;
|
|
else
|
|
(*buffer)[(*currlen)++] = (char)c;
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
/***************************************************************************/
|
|
|
|
int BIO_printf(BIO *bio, const char *format, ...)
|
|
{
|
|
va_list args;
|
|
int ret;
|
|
|
|
va_start(args, format);
|
|
|
|
ret = BIO_vprintf(bio, format, args);
|
|
|
|
va_end(args);
|
|
return (ret);
|
|
}
|
|
|
|
int BIO_vprintf(BIO *bio, const char *format, va_list args)
|
|
{
|
|
int ret;
|
|
size_t retlen;
|
|
char hugebuf[1024 * 2]; /* Was previously 10k, which is unreasonable
|
|
* in small-stack environments, like threads
|
|
* or DOS programs. */
|
|
char *hugebufp = hugebuf;
|
|
size_t hugebufsize = sizeof(hugebuf);
|
|
char *dynbuf = NULL;
|
|
int ignored;
|
|
|
|
dynbuf = NULL;
|
|
CRYPTO_push_info("doapr()");
|
|
_dopr(&hugebufp, &dynbuf, &hugebufsize, &retlen, &ignored, format, args);
|
|
if (dynbuf) {
|
|
ret = BIO_write(bio, dynbuf, (int)retlen);
|
|
OPENSSL_free(dynbuf);
|
|
} else {
|
|
ret = BIO_write(bio, hugebuf, (int)retlen);
|
|
}
|
|
CRYPTO_pop_info();
|
|
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 BIO_snprintf(char *buf, size_t n, const char *format, ...)
|
|
{
|
|
va_list args;
|
|
int ret;
|
|
|
|
va_start(args, format);
|
|
|
|
ret = BIO_vsnprintf(buf, n, format, args);
|
|
|
|
va_end(args);
|
|
return (ret);
|
|
}
|
|
|
|
int BIO_vsnprintf(char *buf, size_t n, const char *format, va_list args)
|
|
{
|
|
size_t retlen;
|
|
int truncated;
|
|
|
|
_dopr(&buf, NULL, &n, &retlen, &truncated, format, args);
|
|
|
|
if (truncated)
|
|
/*
|
|
* In case of truncation, return -1 like traditional snprintf.
|
|
* (Current drafts for ISO/IEC 9899 say snprintf should return the
|
|
* number of characters that would have been written, had the buffer
|
|
* been large enough.)
|
|
*/
|
|
return -1;
|
|
else
|
|
return (retlen <= INT_MAX) ? (int)retlen : -1;
|
|
}
|