mirror of
https://github.com/ossrs/srs.git
synced 2025-03-09 15:49:59 +00:00
Upgrade openssl from 1.1.0e to 1.1.1b, with source code. 4.0.78
This commit is contained in:
winlin
parent
8f1c992379
commit
96dbd7bced
1476 changed files with 616554 additions and 4 deletions
930
trunk/3rdparty/openssl-1.1-fit/crypto/bio/b_print.c
vendored
Normal file
930
trunk/3rdparty/openssl-1.1-fit/crypto/bio/b_print.c
vendored
Normal file
|
|
@ -0,0 +1,930 @@
|
|||
/*
|
||||
* Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved.
|
||||
*
|
||||
* Licensed under the OpenSSL license (the "License"). You may not use
|
||||
* this file except in compliance with the License. You can obtain a copy
|
||||
* in the file LICENSE in the source distribution or at
|
||||
* https://www.openssl.org/source/license.html
|
||||
*/
|
||||
|
||||
#include <stdio.h>
|
||||
#include <string.h>
|
||||
#include "internal/cryptlib.h"
|
||||
#include "internal/ctype.h"
|
||||
#include "internal/numbers.h"
|
||||
#include <openssl/bio.h>
|
||||
|
||||
/*
|
||||
* 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.
|
||||
*/
|
||||
|
||||
#ifdef HAVE_LONG_DOUBLE
|
||||
# define LDOUBLE long double
|
||||
#else
|
||||
# define LDOUBLE double
|
||||
#endif
|
||||
|
||||
static int fmtstr(char **, char **, size_t *, size_t *,
|
||||
const char *, int, int, int);
|
||||
static int fmtint(char **, char **, size_t *, size_t *,
|
||||
int64_t, int, int, int, int);
|
||||
static int fmtfp(char **, char **, size_t *, size_t *,
|
||||
LDOUBLE, int, int, int, int);
|
||||
static int doapr_outch(char **, char **, size_t *, size_t *, int);
|
||||
static int _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 */
|
||||
/* left-aligned padding */
|
||||
#define DP_F_MINUS (1 << 0)
|
||||
/* print an explicit '+' for a value with positive sign */
|
||||
#define DP_F_PLUS (1 << 1)
|
||||
/* print an explicit ' ' for a value with positive sign */
|
||||
#define DP_F_SPACE (1 << 2)
|
||||
/* print 0/0x prefix for octal/hex and decimal point for floating point */
|
||||
#define DP_F_NUM (1 << 3)
|
||||
/* print leading zeroes */
|
||||
#define DP_F_ZERO (1 << 4)
|
||||
/* print HEX in UPPPERcase */
|
||||
#define DP_F_UP (1 << 5)
|
||||
/* treat value as unsigned */
|
||||
#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
|
||||
#define DP_C_SIZE 5
|
||||
|
||||
/* Floating point formats */
|
||||
#define F_FORMAT 0
|
||||
#define E_FORMAT 1
|
||||
#define G_FORMAT 2
|
||||
|
||||
/* some handy macros */
|
||||
#define char_to_int(p) (p - '0')
|
||||
#define OSSL_MAX(p,q) ((p >= q) ? p : q)
|
||||
|
||||
static int
|
||||
_dopr(char **sbuffer,
|
||||
char **buffer,
|
||||
size_t *maxlen,
|
||||
size_t *retlen, int *truncated, const char *format, va_list args)
|
||||
{
|
||||
char ch;
|
||||
int64_t 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
|
||||
if (!doapr_outch(sbuffer, buffer, &currlen, maxlen, ch))
|
||||
return 0;
|
||||
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 (ossl_isdigit(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 (ossl_isdigit(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':
|
||||
case 'j':
|
||||
cflags = DP_C_LLONG;
|
||||
ch = *format++;
|
||||
break;
|
||||
case 'L':
|
||||
cflags = DP_C_LDOUBLE;
|
||||
ch = *format++;
|
||||
break;
|
||||
case 'z':
|
||||
cflags = DP_C_SIZE;
|
||||
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, int64_t);
|
||||
break;
|
||||
case DP_C_SIZE:
|
||||
value = va_arg(args, ossl_ssize_t);
|
||||
break;
|
||||
default:
|
||||
value = va_arg(args, int);
|
||||
break;
|
||||
}
|
||||
if (!fmtint(sbuffer, buffer, &currlen, maxlen, value, 10, min,
|
||||
max, flags))
|
||||
return 0;
|
||||
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 = va_arg(args, unsigned long int);
|
||||
break;
|
||||
case DP_C_LLONG:
|
||||
value = va_arg(args, uint64_t);
|
||||
break;
|
||||
case DP_C_SIZE:
|
||||
value = va_arg(args, size_t);
|
||||
break;
|
||||
default:
|
||||
value = va_arg(args, unsigned int);
|
||||
break;
|
||||
}
|
||||
if (!fmtint(sbuffer, buffer, &currlen, maxlen, value,
|
||||
ch == 'o' ? 8 : (ch == 'u' ? 10 : 16),
|
||||
min, max, flags))
|
||||
return 0;
|
||||
break;
|
||||
case 'f':
|
||||
if (cflags == DP_C_LDOUBLE)
|
||||
fvalue = va_arg(args, LDOUBLE);
|
||||
else
|
||||
fvalue = va_arg(args, double);
|
||||
if (!fmtfp(sbuffer, buffer, &currlen, maxlen, fvalue, min, max,
|
||||
flags, F_FORMAT))
|
||||
return 0;
|
||||
break;
|
||||
case 'E':
|
||||
flags |= DP_F_UP;
|
||||
/* fall thru */
|
||||
case 'e':
|
||||
if (cflags == DP_C_LDOUBLE)
|
||||
fvalue = va_arg(args, LDOUBLE);
|
||||
else
|
||||
fvalue = va_arg(args, double);
|
||||
if (!fmtfp(sbuffer, buffer, &currlen, maxlen, fvalue, min, max,
|
||||
flags, E_FORMAT))
|
||||
return 0;
|
||||
break;
|
||||
case 'G':
|
||||
flags |= DP_F_UP;
|
||||
/* fall thru */
|
||||
case 'g':
|
||||
if (cflags == DP_C_LDOUBLE)
|
||||
fvalue = va_arg(args, LDOUBLE);
|
||||
else
|
||||
fvalue = va_arg(args, double);
|
||||
if (!fmtfp(sbuffer, buffer, &currlen, maxlen, fvalue, min, max,
|
||||
flags, G_FORMAT))
|
||||
return 0;
|
||||
break;
|
||||
case 'c':
|
||||
if (!doapr_outch(sbuffer, buffer, &currlen, maxlen,
|
||||
va_arg(args, int)))
|
||||
return 0;
|
||||
break;
|
||||
case 's':
|
||||
strvalue = va_arg(args, char *);
|
||||
if (max < 0) {
|
||||
if (buffer)
|
||||
max = INT_MAX;
|
||||
else
|
||||
max = *maxlen;
|
||||
}
|
||||
if (!fmtstr(sbuffer, buffer, &currlen, maxlen, strvalue,
|
||||
flags, min, max))
|
||||
return 0;
|
||||
break;
|
||||
case 'p':
|
||||
value = (size_t)va_arg(args, void *);
|
||||
if (!fmtint(sbuffer, buffer, &currlen, maxlen,
|
||||
value, 16, min, max, flags | DP_F_NUM))
|
||||
return 0;
|
||||
break;
|
||||
case 'n':
|
||||
{
|
||||
int *num;
|
||||
num = va_arg(args, int *);
|
||||
*num = currlen;
|
||||
}
|
||||
break;
|
||||
case '%':
|
||||
if (!doapr_outch(sbuffer, buffer, &currlen, maxlen, ch))
|
||||
return 0;
|
||||
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;
|
||||
}
|
||||
}
|
||||
/*
|
||||
* We have to truncate if there is no dynamic buffer and we have filled the
|
||||
* static buffer.
|
||||
*/
|
||||
if (buffer == NULL) {
|
||||
*truncated = (currlen > *maxlen - 1);
|
||||
if (*truncated)
|
||||
currlen = *maxlen - 1;
|
||||
}
|
||||
if (!doapr_outch(sbuffer, buffer, &currlen, maxlen, '\0'))
|
||||
return 0;
|
||||
*retlen = currlen - 1;
|
||||
return 1;
|
||||
}
|
||||
|
||||
static int
|
||||
fmtstr(char **sbuffer,
|
||||
char **buffer,
|
||||
size_t *currlen,
|
||||
size_t *maxlen, const char *value, int flags, int min, int max)
|
||||
{
|
||||
int padlen;
|
||||
size_t strln;
|
||||
int cnt = 0;
|
||||
|
||||
if (value == 0)
|
||||
value = "<NULL>";
|
||||
|
||||
strln = OPENSSL_strnlen(value, max < 0 ? SIZE_MAX : (size_t)max);
|
||||
|
||||
padlen = min - strln;
|
||||
if (min < 0 || padlen < 0)
|
||||
padlen = 0;
|
||||
if (max >= 0) {
|
||||
/*
|
||||
* Calculate the maximum output including padding.
|
||||
* Make sure max doesn't overflow into negativity
|
||||
*/
|
||||
if (max < INT_MAX - padlen)
|
||||
max += padlen;
|
||||
else
|
||||
max = INT_MAX;
|
||||
}
|
||||
if (flags & DP_F_MINUS)
|
||||
padlen = -padlen;
|
||||
|
||||
while ((padlen > 0) && (max < 0 || cnt < max)) {
|
||||
if (!doapr_outch(sbuffer, buffer, currlen, maxlen, ' '))
|
||||
return 0;
|
||||
--padlen;
|
||||
++cnt;
|
||||
}
|
||||
while (strln > 0 && (max < 0 || cnt < max)) {
|
||||
if (!doapr_outch(sbuffer, buffer, currlen, maxlen, *value++))
|
||||
return 0;
|
||||
--strln;
|
||||
++cnt;
|
||||
}
|
||||
while ((padlen < 0) && (max < 0 || cnt < max)) {
|
||||
if (!doapr_outch(sbuffer, buffer, currlen, maxlen, ' '))
|
||||
return 0;
|
||||
++padlen;
|
||||
++cnt;
|
||||
}
|
||||
return 1;
|
||||
}
|
||||
|
||||
static int
|
||||
fmtint(char **sbuffer,
|
||||
char **buffer,
|
||||
size_t *currlen,
|
||||
size_t *maxlen, int64_t value, int base, int min, int max, int flags)
|
||||
{
|
||||
int signvalue = 0;
|
||||
const char *prefix = "";
|
||||
uint64_t 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 = 0 - (uint64_t)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) {
|
||||
if (!doapr_outch(sbuffer, buffer, currlen, maxlen, ' '))
|
||||
return 0;
|
||||
--spadlen;
|
||||
}
|
||||
|
||||
/* sign */
|
||||
if (signvalue)
|
||||
if (!doapr_outch(sbuffer, buffer, currlen, maxlen, signvalue))
|
||||
return 0;
|
||||
|
||||
/* prefix */
|
||||
while (*prefix) {
|
||||
if (!doapr_outch(sbuffer, buffer, currlen, maxlen, *prefix))
|
||||
return 0;
|
||||
prefix++;
|
||||
}
|
||||
|
||||
/* zeros */
|
||||
if (zpadlen > 0) {
|
||||
while (zpadlen > 0) {
|
||||
if (!doapr_outch(sbuffer, buffer, currlen, maxlen, '0'))
|
||||
return 0;
|
||||
--zpadlen;
|
||||
}
|
||||
}
|
||||
/* digits */
|
||||
while (place > 0) {
|
||||
if (!doapr_outch(sbuffer, buffer, currlen, maxlen, convert[--place]))
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* left justified spaces */
|
||||
while (spadlen < 0) {
|
||||
if (!doapr_outch(sbuffer, buffer, currlen, maxlen, ' '))
|
||||
return 0;
|
||||
++spadlen;
|
||||
}
|
||||
return 1;
|
||||
}
|
||||
|
||||
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 int
|
||||
fmtfp(char **sbuffer,
|
||||
char **buffer,
|
||||
size_t *currlen,
|
||||
size_t *maxlen, LDOUBLE fvalue, int min, int max, int flags, int style)
|
||||
{
|
||||
int signvalue = 0;
|
||||
LDOUBLE ufvalue;
|
||||
LDOUBLE tmpvalue;
|
||||
char iconvert[20];
|
||||
char fconvert[20];
|
||||
char econvert[20];
|
||||
int iplace = 0;
|
||||
int fplace = 0;
|
||||
int eplace = 0;
|
||||
int padlen = 0;
|
||||
int zpadlen = 0;
|
||||
long exp = 0;
|
||||
unsigned long intpart;
|
||||
unsigned long fracpart;
|
||||
unsigned long max10;
|
||||
int realstyle;
|
||||
|
||||
if (max < 0)
|
||||
max = 6;
|
||||
|
||||
if (fvalue < 0)
|
||||
signvalue = '-';
|
||||
else if (flags & DP_F_PLUS)
|
||||
signvalue = '+';
|
||||
else if (flags & DP_F_SPACE)
|
||||
signvalue = ' ';
|
||||
|
||||
/*
|
||||
* G_FORMAT sometimes prints like E_FORMAT and sometimes like F_FORMAT
|
||||
* depending on the number to be printed. Work out which one it is and use
|
||||
* that from here on.
|
||||
*/
|
||||
if (style == G_FORMAT) {
|
||||
if (fvalue == 0.0) {
|
||||
realstyle = F_FORMAT;
|
||||
} else if (fvalue < 0.0001) {
|
||||
realstyle = E_FORMAT;
|
||||
} else if ((max == 0 && fvalue >= 10)
|
||||
|| (max > 0 && fvalue >= pow_10(max))) {
|
||||
realstyle = E_FORMAT;
|
||||
} else {
|
||||
realstyle = F_FORMAT;
|
||||
}
|
||||
} else {
|
||||
realstyle = style;
|
||||
}
|
||||
|
||||
if (style != F_FORMAT) {
|
||||
tmpvalue = fvalue;
|
||||
/* Calculate the exponent */
|
||||
if (fvalue != 0.0) {
|
||||
while (tmpvalue < 1) {
|
||||
tmpvalue *= 10;
|
||||
exp--;
|
||||
}
|
||||
while (tmpvalue > 10) {
|
||||
tmpvalue /= 10;
|
||||
exp++;
|
||||
}
|
||||
}
|
||||
if (style == G_FORMAT) {
|
||||
/*
|
||||
* In G_FORMAT the "precision" represents significant digits. We
|
||||
* always have at least 1 significant digit.
|
||||
*/
|
||||
if (max == 0)
|
||||
max = 1;
|
||||
/* Now convert significant digits to decimal places */
|
||||
if (realstyle == F_FORMAT) {
|
||||
max -= (exp + 1);
|
||||
if (max < 0) {
|
||||
/*
|
||||
* Should not happen. If we're in F_FORMAT then exp < max?
|
||||
*/
|
||||
return 0;
|
||||
}
|
||||
} else {
|
||||
/*
|
||||
* In E_FORMAT there is always one significant digit in front
|
||||
* of the decimal point, so:
|
||||
* significant digits == 1 + decimal places
|
||||
*/
|
||||
max--;
|
||||
}
|
||||
}
|
||||
if (realstyle == E_FORMAT)
|
||||
fvalue = tmpvalue;
|
||||
}
|
||||
ufvalue = abs_val(fvalue);
|
||||
if (ufvalue > ULONG_MAX) {
|
||||
/* Number too big */
|
||||
return 0;
|
||||
}
|
||||
intpart = (unsigned 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 */
|
||||
while (fplace < max) {
|
||||
if (style == G_FORMAT && fplace == 0 && (fracpart % 10) == 0) {
|
||||
/* We strip trailing zeros in G_FORMAT */
|
||||
max--;
|
||||
fracpart = fracpart / 10;
|
||||
if (fplace < max)
|
||||
continue;
|
||||
break;
|
||||
}
|
||||
fconvert[fplace++] = "0123456789"[fracpart % 10];
|
||||
fracpart = (fracpart / 10);
|
||||
}
|
||||
|
||||
if (fplace == sizeof(fconvert))
|
||||
fplace--;
|
||||
fconvert[fplace] = 0;
|
||||
|
||||
/* convert exponent part */
|
||||
if (realstyle == E_FORMAT) {
|
||||
int tmpexp;
|
||||
if (exp < 0)
|
||||
tmpexp = -exp;
|
||||
else
|
||||
tmpexp = exp;
|
||||
|
||||
do {
|
||||
econvert[eplace++] = "0123456789"[tmpexp % 10];
|
||||
tmpexp = (tmpexp / 10);
|
||||
} while (tmpexp > 0 && eplace < (int)sizeof(econvert));
|
||||
/* Exponent is huge!! Too big to print */
|
||||
if (tmpexp > 0)
|
||||
return 0;
|
||||
/* Add a leading 0 for single digit exponents */
|
||||
if (eplace == 1)
|
||||
econvert[eplace++] = '0';
|
||||
}
|
||||
|
||||
/*
|
||||
* -1 for decimal point (if we have one, i.e. max > 0),
|
||||
* another -1 if we are printing a sign
|
||||
*/
|
||||
padlen = min - iplace - max - (max > 0 ? 1 : 0) - ((signvalue) ? 1 : 0);
|
||||
/* Take some off for exponent prefix "+e" and exponent */
|
||||
if (realstyle == E_FORMAT)
|
||||
padlen -= 2 + eplace;
|
||||
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) {
|
||||
if (!doapr_outch(sbuffer, buffer, currlen, maxlen, signvalue))
|
||||
return 0;
|
||||
--padlen;
|
||||
signvalue = 0;
|
||||
}
|
||||
while (padlen > 0) {
|
||||
if (!doapr_outch(sbuffer, buffer, currlen, maxlen, '0'))
|
||||
return 0;
|
||||
--padlen;
|
||||
}
|
||||
}
|
||||
while (padlen > 0) {
|
||||
if (!doapr_outch(sbuffer, buffer, currlen, maxlen, ' '))
|
||||
return 0;
|
||||
--padlen;
|
||||
}
|
||||
if (signvalue && !doapr_outch(sbuffer, buffer, currlen, maxlen, signvalue))
|
||||
return 0;
|
||||
|
||||
while (iplace > 0) {
|
||||
if (!doapr_outch(sbuffer, buffer, currlen, maxlen, iconvert[--iplace]))
|
||||
return 0;
|
||||
}
|
||||
|
||||
/*
|
||||
* Decimal point. This should probably use locale to find the correct
|
||||
* char to print out.
|
||||
*/
|
||||
if (max > 0 || (flags & DP_F_NUM)) {
|
||||
if (!doapr_outch(sbuffer, buffer, currlen, maxlen, '.'))
|
||||
return 0;
|
||||
|
||||
while (fplace > 0) {
|
||||
if (!doapr_outch(sbuffer, buffer, currlen, maxlen,
|
||||
fconvert[--fplace]))
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
while (zpadlen > 0) {
|
||||
if (!doapr_outch(sbuffer, buffer, currlen, maxlen, '0'))
|
||||
return 0;
|
||||
--zpadlen;
|
||||
}
|
||||
if (realstyle == E_FORMAT) {
|
||||
char ech;
|
||||
|
||||
if ((flags & DP_F_UP) == 0)
|
||||
ech = 'e';
|
||||
else
|
||||
ech = 'E';
|
||||
if (!doapr_outch(sbuffer, buffer, currlen, maxlen, ech))
|
||||
return 0;
|
||||
if (exp < 0) {
|
||||
if (!doapr_outch(sbuffer, buffer, currlen, maxlen, '-'))
|
||||
return 0;
|
||||
} else {
|
||||
if (!doapr_outch(sbuffer, buffer, currlen, maxlen, '+'))
|
||||
return 0;
|
||||
}
|
||||
while (eplace > 0) {
|
||||
if (!doapr_outch(sbuffer, buffer, currlen, maxlen,
|
||||
econvert[--eplace]))
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
|
||||
while (padlen < 0) {
|
||||
if (!doapr_outch(sbuffer, buffer, currlen, maxlen, ' '))
|
||||
return 0;
|
||||
++padlen;
|
||||
}
|
||||
return 1;
|
||||
}
|
||||
|
||||
#define BUFFER_INC 1024
|
||||
|
||||
static int
|
||||
doapr_outch(char **sbuffer,
|
||||
char **buffer, size_t *currlen, size_t *maxlen, int c)
|
||||
{
|
||||
/* If we haven't at least one buffer, someone has done a big booboo */
|
||||
if (!ossl_assert(*sbuffer != NULL || buffer != NULL))
|
||||
return 0;
|
||||
|
||||
/* |currlen| must always be <= |*maxlen| */
|
||||
if (!ossl_assert(*currlen <= *maxlen))
|
||||
return 0;
|
||||
|
||||
if (buffer && *currlen == *maxlen) {
|
||||
if (*maxlen > INT_MAX - BUFFER_INC)
|
||||
return 0;
|
||||
|
||||
*maxlen += BUFFER_INC;
|
||||
if (*buffer == NULL) {
|
||||
if ((*buffer = OPENSSL_malloc(*maxlen)) == NULL) {
|
||||
BIOerr(BIO_F_DOAPR_OUTCH, ERR_R_MALLOC_FAILURE);
|
||||
return 0;
|
||||
}
|
||||
if (*currlen > 0) {
|
||||
if (!ossl_assert(*sbuffer != NULL))
|
||||
return 0;
|
||||
memcpy(*buffer, *sbuffer, *currlen);
|
||||
}
|
||||
*sbuffer = NULL;
|
||||
} else {
|
||||
char *tmpbuf;
|
||||
tmpbuf = OPENSSL_realloc(*buffer, *maxlen);
|
||||
if (tmpbuf == NULL)
|
||||
return 0;
|
||||
*buffer = tmpbuf;
|
||||
}
|
||||
}
|
||||
|
||||
if (*currlen < *maxlen) {
|
||||
if (*sbuffer)
|
||||
(*sbuffer)[(*currlen)++] = (char)c;
|
||||
else
|
||||
(*buffer)[(*currlen)++] = (char)c;
|
||||
}
|
||||
|
||||
return 1;
|
||||
}
|
||||
|
||||
/***************************************************************************/
|
||||
|
||||
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;
|
||||
if (!_dopr(&hugebufp, &dynbuf, &hugebufsize, &retlen, &ignored, format,
|
||||
args)) {
|
||||
OPENSSL_free(dynbuf);
|
||||
return -1;
|
||||
}
|
||||
if (dynbuf) {
|
||||
ret = BIO_write(bio, dynbuf, (int)retlen);
|
||||
OPENSSL_free(dynbuf);
|
||||
} else {
|
||||
ret = BIO_write(bio, hugebuf, (int)retlen);
|
||||
}
|
||||
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;
|
||||
|
||||
if (!_dopr(&buf, NULL, &n, &retlen, &truncated, format, args))
|
||||
return -1;
|
||||
|
||||
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;
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue