-/* 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.]
- */
-
-/*
- * Stolen from tjh's ssl/ssl_trc.c stuff.
- */
-
-#include <stdio.h>
-#include <stdarg.h>
-#include <string.h>
-#include <ctype.h>
-#include <sys/types.h>
-#include "cryptlib.h"
-#include <openssl/bio.h>
-
-#ifdef BN_LLONG
-# ifndef HAVE_LONG_LONG
-# define HAVE_LONG_LONG
-# endif
-#endif
-
-static void dopr (char *buffer, size_t maxlen, size_t *retlen,
- const char *format, va_list args);
-
-int BIO_printf (BIO *bio, ...)
- {
- va_list args;
- char *format;
- int ret;
- MS_STATIC char hugebuf[1024*2]; /* 10k in one chunk is the limit */
-
- va_start(args, bio);
- format=va_arg(args, char *);
-
- hugebuf[0]='\0';
- dopr(hugebuf, sizeof(hugebuf), &ret, format, args);
- ret=BIO_write(bio, hugebuf, ret);
-
- va_end(args);
- return(ret);
- }
-
-/*
- * 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)
- */
-
-#if HAVE_LONG_DOUBLE
-#define LDOUBLE long double
-#else
-#define LDOUBLE double
-#endif
-
-#if HAVE_LONG_LONG
-#define LLONG long long
-#else
-#define LLONG long
-#endif
-
-static void fmtstr (char *, size_t *, size_t, char *, int, int, int);
-static void fmtint (char *, size_t *, size_t, LLONG, int, int, int, int);
-static void fmtfp (char *, size_t *, size_t, LDOUBLE, int, int, int);
-static void dopr_outch (char *, size_t *, size_t, 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)
-#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 MAX(p,q) ((p >= q) ? p : q)
-
-static void
-dopr(
- char *buffer,
- size_t maxlen,
- size_t *retlen,
- 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') || (currlen >= maxlen))
- state = DP_S_DONE;
-
- switch (state) {
- case DP_S_DEFAULT:
- if (ch == '%')
- state = DP_S_FLAGS;
- else
- dopr_outch(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 = va_arg(args, short 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(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 = va_arg(args,
- unsigned short 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(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(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':
- dopr_outch(buffer, &currlen, maxlen,
- va_arg(args, int));
- break;
- case 's':
- strvalue = va_arg(args, char *);
- if (max < 0)
- max = maxlen;
- fmtstr(buffer, &currlen, maxlen, strvalue,
- flags, min, max);
- break;
- case 'p':
- value = (long)va_arg(args, void *);
- fmtint(buffer, &currlen, maxlen,
- value, 16, min, max, flags);
- 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 '%':
- dopr_outch(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;
- }
- }
- if (currlen >= maxlen - 1)
- currlen = maxlen - 1;
- buffer[currlen] = '\0';
- *retlen = currlen;
- return;
-}
-
-static void
-fmtstr(
- char *buffer,
- size_t *currlen,
- size_t maxlen,
- 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)) {
- dopr_outch(buffer, currlen, maxlen, ' ');
- --padlen;
- ++cnt;
- }
- while (*value && (cnt < max)) {
- dopr_outch(buffer, currlen, maxlen, *value++);
- ++cnt;
- }
- while ((padlen < 0) && (cnt < max)) {
- dopr_outch(buffer, currlen, maxlen, ' ');
- ++padlen;
- ++cnt;
- }
-}
-
-static void
-fmtint(
- char *buffer,
- size_t *currlen,
- size_t maxlen,
- LLONG value,
- int base,
- int min,
- int max,
- int flags)
-{
- int signvalue = 0;
- unsigned LLONG uvalue;
- char convert[20];
- 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_UP)
- caps = 1;
- do {
- convert[place++] =
- (caps ? "0123456789ABCDEF" : "0123456789abcdef")
- [uvalue % (unsigned) base];
- uvalue = (uvalue / (unsigned) base);
- } while (uvalue && (place < 20));
- if (place == 20)
- place--;
- convert[place] = 0;
-
- zpadlen = max - place;
- spadlen = min - MAX(max, place) - (signvalue ? 1 : 0);
- if (zpadlen < 0)
- zpadlen = 0;
- if (spadlen < 0)
- spadlen = 0;
- if (flags & DP_F_ZERO) {
- zpadlen = MAX(zpadlen, spadlen);
- spadlen = 0;
- }
- if (flags & DP_F_MINUS)
- spadlen = -spadlen;
-
- /* spaces */
- while (spadlen > 0) {
- dopr_outch(buffer, currlen, maxlen, ' ');
- --spadlen;
- }
-
- /* sign */
- if (signvalue)
- dopr_outch(buffer, currlen, maxlen, signvalue);
-
- /* zeros */
- if (zpadlen > 0) {
- while (zpadlen > 0) {
- dopr_outch(buffer, currlen, maxlen, '0');
- --zpadlen;
- }
- }
- /* digits */
- while (place > 0)
- dopr_outch(buffer, currlen, maxlen, convert[--place]);
-
- /* left justified spaces */
- while (spadlen < 0) {
- dopr_outch(buffer, currlen, maxlen, ' ');
- ++spadlen;
- }
- return;
-}
-
-static LDOUBLE
-abs_val(LDOUBLE value)
-{
- LDOUBLE result = value;
- if (value < 0)
- result = -value;
- return result;
-}
-
-static LDOUBLE
-pow10(int exp)
-{
- LDOUBLE result = 1;
- while (exp) {
- result *= 10;
- exp--;
- }
- return result;
-}
-
-static long
-round(LDOUBLE value)
-{
- long intpart;
- intpart = (long) value;
- value = value - intpart;
- if (value >= 0.5)
- intpart++;
- return intpart;
-}
-
-static void
-fmtfp(
- 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;
- int caps = 0;
- long intpart;
- long fracpart;
-
- 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 */
- fracpart = round((pow10(max)) * (ufvalue - intpart));
-
- if (fracpart >= pow10(max)) {
- intpart++;
- fracpart -= pow10(max);
- }
-
- /* convert integer part */
- do {
- iconvert[iplace++] =
- (caps ? "0123456789ABCDEF"
- : "0123456789abcdef")[intpart % 10];
- intpart = (intpart / 10);
- } while (intpart && (iplace < 20));
- if (iplace == 20)
- iplace--;
- iconvert[iplace] = 0;
-
- /* convert fractional part */
- do {
- fconvert[fplace++] =
- (caps ? "0123456789ABCDEF"
- : "0123456789abcdef")[fracpart % 10];
- fracpart = (fracpart / 10);
- } while (fracpart && (fplace < 20));
- if (fplace == 20)
- 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) {
- dopr_outch(buffer, currlen, maxlen, signvalue);
- --padlen;
- signvalue = 0;
- }
- while (padlen > 0) {
- dopr_outch(buffer, currlen, maxlen, '0');
- --padlen;
- }
- }
- while (padlen > 0) {
- dopr_outch(buffer, currlen, maxlen, ' ');
- --padlen;
- }
- if (signvalue)
- dopr_outch(buffer, currlen, maxlen, signvalue);
-
- while (iplace > 0)
- dopr_outch(buffer, currlen, maxlen, iconvert[--iplace]);
-
- /*
- * Decimal point. This should probably use locale to find the correct
- * char to print out.
- */
- if (max > 0) {
- dopr_outch(buffer, currlen, maxlen, '.');
-
- while (fplace > 0)
- dopr_outch(buffer, currlen, maxlen, fconvert[--fplace]);
- }
- while (zpadlen > 0) {
- dopr_outch(buffer, currlen, maxlen, '0');
- --zpadlen;
- }
-
- while (padlen < 0) {
- dopr_outch(buffer, currlen, maxlen, ' ');
- ++padlen;
- }
-}
-
-static void
-dopr_outch(
- char *buffer,
- size_t *currlen,
- size_t maxlen,
- int c)
-{
- if (*currlen < maxlen)
- buffer[(*currlen)++] = (char)c;
- return;
-}
projects / openssl.git / blobdiff