2015-01-22 11:40:55 +08:00
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/*
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2021-04-22 21:38:44 +08:00
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* Copyright 1995-2021 The OpenSSL Project Authors. All Rights Reserved.
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2016-05-18 02:52:22 +08:00
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*
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2018-12-06 20:20:10 +08:00
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* Licensed under the Apache License 2.0 (the "License"). You may not use
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2016-05-18 02:52:22 +08:00
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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1998-12-21 18:52:47 +08:00
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*/
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#include <stdio.h>
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2000-02-25 22:00:24 +08:00
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#include <string.h>
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2017-11-12 05:23:12 +08:00
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#include "internal/cryptlib.h"
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2019-09-28 06:45:33 +08:00
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#include "crypto/ctype.h"
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2016-05-21 09:46:43 +08:00
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#include "internal/numbers.h"
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1999-04-24 06:13:45 +08:00
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#include <openssl/bio.h>
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1998-12-21 18:52:47 +08:00
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2000-02-25 06:23:45 +08:00
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/*
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* Copyright Patrick Powell 1995
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2000-02-25 22:00:24 +08:00
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* This code is based on code written by Patrick Powell <papowell@astart.com>
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2000-02-25 06:23:45 +08:00
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* It may be used for any purpose as long as this notice remains intact
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2000-02-25 22:00:24 +08:00
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* on all source code distributions.
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2000-02-25 06:23:45 +08:00
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*/
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2002-08-02 19:13:37 +08:00
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#ifdef HAVE_LONG_DOUBLE
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2015-01-22 11:40:55 +08:00
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# define LDOUBLE long double
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2000-02-25 22:00:24 +08:00
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#else
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2015-01-22 11:40:55 +08:00
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# define LDOUBLE double
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2000-02-25 22:00:24 +08:00
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#endif
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2016-02-25 21:09:46 +08:00
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static int fmtstr(char **, char **, size_t *, size_t *,
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const char *, int, int, int);
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static int fmtint(char **, char **, size_t *, size_t *,
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2017-03-31 03:44:55 +08:00
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int64_t, int, int, int, int);
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2016-02-25 21:09:46 +08:00
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static int fmtfp(char **, char **, size_t *, size_t *,
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2016-05-25 22:33:15 +08:00
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LDOUBLE, int, int, int, int);
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2016-02-25 21:09:46 +08:00
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static int doapr_outch(char **, char **, size_t *, size_t *, int);
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static int _dopr(char **sbuffer, char **buffer,
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size_t *maxlen, size_t *retlen, int *truncated,
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const char *format, va_list args);
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2000-02-25 22:00:24 +08:00
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2000-02-25 06:23:45 +08:00
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/* format read states */
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2000-02-25 22:00:24 +08:00
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#define DP_S_DEFAULT 0
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#define DP_S_FLAGS 1
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#define DP_S_MIN 2
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#define DP_S_DOT 3
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#define DP_S_MAX 4
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#define DP_S_MOD 5
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#define DP_S_CONV 6
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#define DP_S_DONE 7
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2000-02-25 06:23:45 +08:00
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/* format flags - Bits */
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2016-05-25 22:37:11 +08:00
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/* left-aligned padding */
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2000-02-25 22:00:24 +08:00
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#define DP_F_MINUS (1 << 0)
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2016-05-25 22:37:11 +08:00
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/* print an explicit '+' for a value with positive sign */
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2000-02-25 22:00:24 +08:00
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#define DP_F_PLUS (1 << 1)
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2016-05-25 22:37:11 +08:00
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/* print an explicit ' ' for a value with positive sign */
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2000-02-25 22:00:24 +08:00
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#define DP_F_SPACE (1 << 2)
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2016-05-25 22:37:11 +08:00
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/* print 0/0x prefix for octal/hex and decimal point for floating point */
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2000-02-25 22:00:24 +08:00
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#define DP_F_NUM (1 << 3)
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2016-05-25 22:37:11 +08:00
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/* print leading zeroes */
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2000-02-25 22:00:24 +08:00
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#define DP_F_ZERO (1 << 4)
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2016-05-25 22:37:11 +08:00
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/* print HEX in UPPPERcase */
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2000-02-25 22:00:24 +08:00
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#define DP_F_UP (1 << 5)
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2016-05-25 22:37:11 +08:00
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/* treat value as unsigned */
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2000-02-25 22:00:24 +08:00
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#define DP_F_UNSIGNED (1 << 6)
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/* conversion flags */
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#define DP_C_SHORT 1
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#define DP_C_LONG 2
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#define DP_C_LDOUBLE 3
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#define DP_C_LLONG 4
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2017-03-28 22:57:41 +08:00
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#define DP_C_SIZE 5
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2000-02-25 22:00:24 +08:00
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2016-05-25 22:33:15 +08:00
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/* Floating point formats */
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#define F_FORMAT 0
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#define E_FORMAT 1
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#define G_FORMAT 2
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2000-02-25 22:00:24 +08:00
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/* some handy macros */
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2000-02-25 06:23:45 +08:00
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#define char_to_int(p) (p - '0')
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2000-10-22 20:44:12 +08:00
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#define OSSL_MAX(p,q) ((p >= q) ? p : q)
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2000-02-25 06:23:45 +08:00
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2016-02-25 21:09:46 +08:00
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static int
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2015-01-22 11:40:55 +08:00
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_dopr(char **sbuffer,
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char **buffer,
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size_t *maxlen,
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size_t *retlen, int *truncated, const char *format, va_list args)
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2000-02-25 06:23:45 +08:00
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{
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2000-02-25 22:00:24 +08:00
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char ch;
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2017-03-31 03:44:55 +08:00
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int64_t value;
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2000-02-25 22:00:24 +08:00
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LDOUBLE fvalue;
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char *strvalue;
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int min;
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int max;
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int state;
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int flags;
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int cflags;
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size_t currlen;
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state = DP_S_DEFAULT;
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flags = currlen = cflags = min = 0;
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max = -1;
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ch = *format++;
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while (state != DP_S_DONE) {
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2000-09-07 13:50:14 +08:00
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if (ch == '\0' || (buffer == NULL && currlen >= *maxlen))
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2000-02-25 22:00:24 +08:00
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state = DP_S_DONE;
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switch (state) {
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case DP_S_DEFAULT:
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if (ch == '%')
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state = DP_S_FLAGS;
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else
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2017-08-26 23:56:44 +08:00
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if (!doapr_outch(sbuffer, buffer, &currlen, maxlen, ch))
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2016-02-25 21:09:46 +08:00
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return 0;
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2000-02-25 22:00:24 +08:00
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ch = *format++;
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break;
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case DP_S_FLAGS:
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switch (ch) {
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case '-':
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flags |= DP_F_MINUS;
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ch = *format++;
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break;
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case '+':
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flags |= DP_F_PLUS;
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ch = *format++;
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break;
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case ' ':
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flags |= DP_F_SPACE;
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ch = *format++;
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break;
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case '#':
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flags |= DP_F_NUM;
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ch = *format++;
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break;
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case '0':
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flags |= DP_F_ZERO;
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ch = *format++;
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break;
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default:
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state = DP_S_MIN;
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break;
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}
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break;
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case DP_S_MIN:
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2017-08-21 05:19:17 +08:00
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if (ossl_isdigit(ch)) {
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2000-02-25 22:00:24 +08:00
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min = 10 * min + char_to_int(ch);
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ch = *format++;
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} else if (ch == '*') {
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min = va_arg(args, int);
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ch = *format++;
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state = DP_S_DOT;
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} else
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state = DP_S_DOT;
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break;
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case DP_S_DOT:
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if (ch == '.') {
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state = DP_S_MAX;
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ch = *format++;
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} else
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state = DP_S_MOD;
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break;
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case DP_S_MAX:
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2017-08-21 05:19:17 +08:00
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if (ossl_isdigit(ch)) {
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2000-02-25 22:00:24 +08:00
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if (max < 0)
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max = 0;
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max = 10 * max + char_to_int(ch);
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ch = *format++;
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} else if (ch == '*') {
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max = va_arg(args, int);
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ch = *format++;
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state = DP_S_MOD;
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} else
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state = DP_S_MOD;
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break;
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case DP_S_MOD:
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switch (ch) {
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case 'h':
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cflags = DP_C_SHORT;
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ch = *format++;
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break;
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case 'l':
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if (*format == 'l') {
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cflags = DP_C_LLONG;
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format++;
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} else
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cflags = DP_C_LONG;
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ch = *format++;
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break;
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case 'q':
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2017-03-30 05:10:08 +08:00
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case 'j':
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2000-02-25 22:00:24 +08:00
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cflags = DP_C_LLONG;
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ch = *format++;
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break;
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case 'L':
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cflags = DP_C_LDOUBLE;
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ch = *format++;
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break;
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2017-03-28 22:57:41 +08:00
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case 'z':
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cflags = DP_C_SIZE;
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ch = *format++;
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break;
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2000-02-25 22:00:24 +08:00
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default:
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break;
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}
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state = DP_S_CONV;
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break;
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case DP_S_CONV:
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switch (ch) {
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case 'd':
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case 'i':
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switch (cflags) {
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case DP_C_SHORT:
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2000-02-28 07:17:18 +08:00
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value = (short int)va_arg(args, int);
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2000-02-25 22:00:24 +08:00
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break;
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case DP_C_LONG:
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value = va_arg(args, long int);
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break;
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case DP_C_LLONG:
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2017-03-31 03:44:55 +08:00
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value = va_arg(args, int64_t);
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2000-02-25 22:00:24 +08:00
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break;
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2017-03-28 22:57:41 +08:00
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case DP_C_SIZE:
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value = va_arg(args, ossl_ssize_t);
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break;
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2000-02-25 22:00:24 +08:00
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default:
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value = va_arg(args, int);
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break;
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}
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2016-02-25 21:09:46 +08:00
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if (!fmtint(sbuffer, buffer, &currlen, maxlen, value, 10, min,
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max, flags))
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return 0;
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2000-02-25 22:00:24 +08:00
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break;
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case 'X':
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flags |= DP_F_UP;
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/* FALLTHROUGH */
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case 'x':
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case 'o':
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case 'u':
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flags |= DP_F_UNSIGNED;
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switch (cflags) {
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case DP_C_SHORT:
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2000-02-28 19:30:31 +08:00
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value = (unsigned short int)va_arg(args, unsigned int);
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2000-02-25 22:00:24 +08:00
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break;
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case DP_C_LONG:
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2017-03-31 03:44:55 +08:00
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value = va_arg(args, unsigned long int);
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2000-02-25 22:00:24 +08:00
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break;
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case DP_C_LLONG:
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2017-03-31 03:44:55 +08:00
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value = va_arg(args, uint64_t);
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2000-02-25 22:00:24 +08:00
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break;
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2017-03-28 22:57:41 +08:00
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case DP_C_SIZE:
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2017-03-30 04:48:26 +08:00
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value = va_arg(args, size_t);
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2017-03-28 22:57:41 +08:00
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break;
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2000-02-25 22:00:24 +08:00
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default:
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2017-03-31 03:44:55 +08:00
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value = va_arg(args, unsigned int);
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2000-02-25 22:00:24 +08:00
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break;
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}
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2016-02-25 21:09:46 +08:00
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if (!fmtint(sbuffer, buffer, &currlen, maxlen, value,
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ch == 'o' ? 8 : (ch == 'u' ? 10 : 16),
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min, max, flags))
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return 0;
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2000-02-25 22:00:24 +08:00
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break;
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case 'f':
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if (cflags == DP_C_LDOUBLE)
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fvalue = va_arg(args, LDOUBLE);
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else
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fvalue = va_arg(args, double);
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2016-02-25 21:09:46 +08:00
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if (!fmtfp(sbuffer, buffer, &currlen, maxlen, fvalue, min, max,
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2016-05-25 22:33:15 +08:00
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flags, F_FORMAT))
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2016-02-25 21:09:46 +08:00
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return 0;
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2000-02-25 22:00:24 +08:00
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break;
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case 'E':
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flags |= DP_F_UP;
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2017-05-11 22:21:37 +08:00
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/* fall thru */
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2000-02-25 22:00:24 +08:00
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case 'e':
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if (cflags == DP_C_LDOUBLE)
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fvalue = va_arg(args, LDOUBLE);
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else
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fvalue = va_arg(args, double);
|
2016-05-25 22:37:11 +08:00
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if (!fmtfp(sbuffer, buffer, &currlen, maxlen, fvalue, min, max,
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2016-05-25 22:33:15 +08:00
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flags, E_FORMAT))
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2016-05-25 22:37:11 +08:00
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return 0;
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2000-02-25 22:00:24 +08:00
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break;
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case 'G':
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flags |= DP_F_UP;
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2017-05-11 22:21:37 +08:00
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/* fall thru */
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2000-02-25 22:00:24 +08:00
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case 'g':
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if (cflags == DP_C_LDOUBLE)
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fvalue = va_arg(args, LDOUBLE);
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else
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fvalue = va_arg(args, double);
|
2016-05-25 22:37:11 +08:00
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if (!fmtfp(sbuffer, buffer, &currlen, maxlen, fvalue, min, max,
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2016-05-25 22:33:15 +08:00
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flags, G_FORMAT))
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2016-05-25 22:37:11 +08:00
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return 0;
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2000-02-25 22:00:24 +08:00
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break;
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case 'c':
|
2017-08-26 23:56:44 +08:00
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if (!doapr_outch(sbuffer, buffer, &currlen, maxlen,
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va_arg(args, int)))
|
2016-02-25 21:09:46 +08:00
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return 0;
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2000-02-25 22:00:24 +08:00
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break;
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case 's':
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strvalue = va_arg(args, char *);
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2000-09-07 13:50:14 +08:00
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if (max < 0) {
|
2015-01-22 11:40:55 +08:00
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if (buffer)
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max = INT_MAX;
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|
|
else
|
|
|
|
max = *maxlen;
|
|
|
|
}
|
2016-02-25 21:09:46 +08:00
|
|
|
if (!fmtstr(sbuffer, buffer, &currlen, maxlen, strvalue,
|
|
|
|
flags, min, max))
|
|
|
|
return 0;
|
2000-02-25 22:00:24 +08:00
|
|
|
break;
|
|
|
|
case 'p':
|
2015-09-30 16:36:21 +08:00
|
|
|
value = (size_t)va_arg(args, void *);
|
2016-02-25 21:09:46 +08:00
|
|
|
if (!fmtint(sbuffer, buffer, &currlen, maxlen,
|
|
|
|
value, 16, min, max, flags | DP_F_NUM))
|
|
|
|
return 0;
|
2000-02-25 22:00:24 +08:00
|
|
|
break;
|
2017-03-31 03:44:55 +08:00
|
|
|
case 'n':
|
|
|
|
{
|
2015-01-22 11:40:55 +08:00
|
|
|
int *num;
|
2000-02-25 22:00:24 +08:00
|
|
|
num = va_arg(args, int *);
|
|
|
|
*num = currlen;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case '%':
|
2017-08-26 23:56:44 +08:00
|
|
|
if (!doapr_outch(sbuffer, buffer, &currlen, maxlen, ch))
|
2016-02-25 21:09:46 +08:00
|
|
|
return 0;
|
2000-02-25 22:00:24 +08:00
|
|
|
break;
|
|
|
|
case 'w':
|
|
|
|
/* not supported yet, treat as next char */
|
2020-12-01 09:13:08 +08:00
|
|
|
format++;
|
2000-02-25 22:00:24 +08:00
|
|
|
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;
|
2000-02-25 06:23:45 +08:00
|
|
|
}
|
|
|
|
}
|
2016-06-03 22:53:54 +08:00
|
|
|
/*
|
|
|
|
* 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;
|
|
|
|
}
|
2017-08-26 23:56:44 +08:00
|
|
|
if (!doapr_outch(sbuffer, buffer, &currlen, maxlen, '\0'))
|
2016-02-25 21:09:46 +08:00
|
|
|
return 0;
|
2000-09-07 13:50:14 +08:00
|
|
|
*retlen = currlen - 1;
|
2016-02-25 21:09:46 +08:00
|
|
|
return 1;
|
2000-02-25 06:23:45 +08:00
|
|
|
}
|
|
|
|
|
2016-02-25 21:09:46 +08:00
|
|
|
static int
|
2015-01-22 11:40:55 +08:00
|
|
|
fmtstr(char **sbuffer,
|
|
|
|
char **buffer,
|
|
|
|
size_t *currlen,
|
|
|
|
size_t *maxlen, const char *value, int flags, int min, int max)
|
2000-02-25 06:23:45 +08:00
|
|
|
{
|
2016-02-25 21:09:46 +08:00
|
|
|
int padlen;
|
|
|
|
size_t strln;
|
2000-02-25 22:00:24 +08:00
|
|
|
int cnt = 0;
|
|
|
|
|
|
|
|
if (value == 0)
|
|
|
|
value = "<NULL>";
|
2016-02-25 21:09:46 +08:00
|
|
|
|
2016-05-21 09:46:43 +08:00
|
|
|
strln = OPENSSL_strnlen(value, max < 0 ? SIZE_MAX : (size_t)max);
|
2016-02-25 21:09:46 +08:00
|
|
|
|
2000-02-25 22:00:24 +08:00
|
|
|
padlen = min - strln;
|
2016-02-25 21:09:46 +08:00
|
|
|
if (min < 0 || padlen < 0)
|
2000-02-25 22:00:24 +08:00
|
|
|
padlen = 0;
|
2016-05-30 11:41:57 +08:00
|
|
|
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;
|
|
|
|
}
|
2000-02-25 22:00:24 +08:00
|
|
|
if (flags & DP_F_MINUS)
|
|
|
|
padlen = -padlen;
|
|
|
|
|
2016-05-21 09:46:43 +08:00
|
|
|
while ((padlen > 0) && (max < 0 || cnt < max)) {
|
2017-08-26 23:56:44 +08:00
|
|
|
if (!doapr_outch(sbuffer, buffer, currlen, maxlen, ' '))
|
2016-02-25 21:09:46 +08:00
|
|
|
return 0;
|
2000-02-25 22:00:24 +08:00
|
|
|
--padlen;
|
|
|
|
++cnt;
|
|
|
|
}
|
2016-05-21 09:46:43 +08:00
|
|
|
while (strln > 0 && (max < 0 || cnt < max)) {
|
2017-08-26 23:56:44 +08:00
|
|
|
if (!doapr_outch(sbuffer, buffer, currlen, maxlen, *value++))
|
2016-02-25 21:09:46 +08:00
|
|
|
return 0;
|
2016-05-21 09:46:43 +08:00
|
|
|
--strln;
|
2000-02-25 22:00:24 +08:00
|
|
|
++cnt;
|
|
|
|
}
|
2016-05-21 09:46:43 +08:00
|
|
|
while ((padlen < 0) && (max < 0 || cnt < max)) {
|
2017-08-26 23:56:44 +08:00
|
|
|
if (!doapr_outch(sbuffer, buffer, currlen, maxlen, ' '))
|
2016-02-25 21:09:46 +08:00
|
|
|
return 0;
|
2000-02-25 22:00:24 +08:00
|
|
|
++padlen;
|
|
|
|
++cnt;
|
|
|
|
}
|
2016-02-25 21:09:46 +08:00
|
|
|
return 1;
|
2000-02-25 06:23:45 +08:00
|
|
|
}
|
|
|
|
|
2016-02-25 21:09:46 +08:00
|
|
|
static int
|
2015-01-22 11:40:55 +08:00
|
|
|
fmtint(char **sbuffer,
|
|
|
|
char **buffer,
|
|
|
|
size_t *currlen,
|
2017-03-31 03:44:55 +08:00
|
|
|
size_t *maxlen, int64_t value, int base, int min, int max, int flags)
|
2000-02-25 06:23:45 +08:00
|
|
|
{
|
2000-02-25 22:00:24 +08:00
|
|
|
int signvalue = 0;
|
2005-04-05 18:29:43 +08:00
|
|
|
const char *prefix = "";
|
2017-03-31 03:44:55 +08:00
|
|
|
uint64_t uvalue;
|
2015-01-22 11:40:55 +08:00
|
|
|
char convert[DECIMAL_SIZE(value) + 3];
|
2000-02-25 22:00:24 +08:00
|
|
|
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 = '-';
|
2017-03-31 03:44:55 +08:00
|
|
|
uvalue = 0 - (uint64_t)value;
|
2000-02-25 22:00:24 +08:00
|
|
|
} else if (flags & DP_F_PLUS)
|
|
|
|
signvalue = '+';
|
|
|
|
else if (flags & DP_F_SPACE)
|
|
|
|
signvalue = ' ';
|
2000-02-25 06:23:45 +08:00
|
|
|
}
|
2003-04-04 07:35:14 +08:00
|
|
|
if (flags & DP_F_NUM) {
|
2015-01-22 11:40:55 +08:00
|
|
|
if (base == 8)
|
|
|
|
prefix = "0";
|
|
|
|
if (base == 16)
|
|
|
|
prefix = "0x";
|
2003-04-04 07:35:14 +08:00
|
|
|
}
|
2000-02-25 22:00:24 +08:00
|
|
|
if (flags & DP_F_UP)
|
|
|
|
caps = 1;
|
|
|
|
do {
|
2015-01-22 11:40:55 +08:00
|
|
|
convert[place++] = (caps ? "0123456789ABCDEF" : "0123456789abcdef")
|
|
|
|
[uvalue % (unsigned)base];
|
|
|
|
uvalue = (uvalue / (unsigned)base);
|
2003-10-29 13:00:57 +08:00
|
|
|
} while (uvalue && (place < (int)sizeof(convert)));
|
|
|
|
if (place == sizeof(convert))
|
2000-02-25 22:00:24 +08:00
|
|
|
place--;
|
|
|
|
convert[place] = 0;
|
|
|
|
|
|
|
|
zpadlen = max - place;
|
2015-01-22 11:40:55 +08:00
|
|
|
spadlen =
|
|
|
|
min - OSSL_MAX(max, place) - (signvalue ? 1 : 0) - strlen(prefix);
|
2000-02-25 22:00:24 +08:00
|
|
|
if (zpadlen < 0)
|
|
|
|
zpadlen = 0;
|
|
|
|
if (spadlen < 0)
|
|
|
|
spadlen = 0;
|
|
|
|
if (flags & DP_F_ZERO) {
|
2000-10-22 20:44:12 +08:00
|
|
|
zpadlen = OSSL_MAX(zpadlen, spadlen);
|
2000-02-25 22:00:24 +08:00
|
|
|
spadlen = 0;
|
2000-02-25 06:23:45 +08:00
|
|
|
}
|
2000-02-25 22:00:24 +08:00
|
|
|
if (flags & DP_F_MINUS)
|
|
|
|
spadlen = -spadlen;
|
2000-02-25 06:23:45 +08:00
|
|
|
|
2000-02-25 22:00:24 +08:00
|
|
|
/* spaces */
|
|
|
|
while (spadlen > 0) {
|
2017-08-26 23:56:44 +08:00
|
|
|
if (!doapr_outch(sbuffer, buffer, currlen, maxlen, ' '))
|
2016-02-25 21:09:46 +08:00
|
|
|
return 0;
|
2000-02-25 22:00:24 +08:00
|
|
|
--spadlen;
|
|
|
|
}
|
2000-02-25 06:23:45 +08:00
|
|
|
|
2000-02-25 22:00:24 +08:00
|
|
|
/* sign */
|
|
|
|
if (signvalue)
|
2017-08-26 23:56:44 +08:00
|
|
|
if (!doapr_outch(sbuffer, buffer, currlen, maxlen, signvalue))
|
2016-02-25 21:09:46 +08:00
|
|
|
return 0;
|
2000-02-25 06:23:45 +08:00
|
|
|
|
2003-04-04 07:35:14 +08:00
|
|
|
/* prefix */
|
|
|
|
while (*prefix) {
|
2017-08-26 23:56:44 +08:00
|
|
|
if (!doapr_outch(sbuffer, buffer, currlen, maxlen, *prefix))
|
2016-02-25 21:09:46 +08:00
|
|
|
return 0;
|
2015-01-22 11:40:55 +08:00
|
|
|
prefix++;
|
2003-04-04 07:35:14 +08:00
|
|
|
}
|
|
|
|
|
2000-02-25 22:00:24 +08:00
|
|
|
/* zeros */
|
|
|
|
if (zpadlen > 0) {
|
|
|
|
while (zpadlen > 0) {
|
2017-08-26 23:56:44 +08:00
|
|
|
if (!doapr_outch(sbuffer, buffer, currlen, maxlen, '0'))
|
2016-02-25 21:09:46 +08:00
|
|
|
return 0;
|
2000-02-25 22:00:24 +08:00
|
|
|
--zpadlen;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
/* digits */
|
2016-02-25 21:09:46 +08:00
|
|
|
while (place > 0) {
|
|
|
|
if (!doapr_outch(sbuffer, buffer, currlen, maxlen, convert[--place]))
|
|
|
|
return 0;
|
|
|
|
}
|
2000-02-25 22:00:24 +08:00
|
|
|
|
|
|
|
/* left justified spaces */
|
|
|
|
while (spadlen < 0) {
|
2016-02-25 21:09:46 +08:00
|
|
|
if (!doapr_outch(sbuffer, buffer, currlen, maxlen, ' '))
|
|
|
|
return 0;
|
2000-02-25 22:00:24 +08:00
|
|
|
++spadlen;
|
|
|
|
}
|
2016-02-25 21:09:46 +08:00
|
|
|
return 1;
|
2000-02-25 06:23:45 +08:00
|
|
|
}
|
|
|
|
|
2015-01-22 11:40:55 +08:00
|
|
|
static LDOUBLE abs_val(LDOUBLE value)
|
2000-02-25 06:23:45 +08:00
|
|
|
{
|
2000-02-25 22:00:24 +08:00
|
|
|
LDOUBLE result = value;
|
|
|
|
if (value < 0)
|
|
|
|
result = -value;
|
|
|
|
return result;
|
2000-02-25 06:23:45 +08:00
|
|
|
}
|
|
|
|
|
2015-01-22 11:40:55 +08:00
|
|
|
static LDOUBLE pow_10(int in_exp)
|
2000-02-25 06:23:45 +08:00
|
|
|
{
|
2000-02-25 22:00:24 +08:00
|
|
|
LDOUBLE result = 1;
|
2003-11-04 08:51:32 +08:00
|
|
|
while (in_exp) {
|
2000-02-25 22:00:24 +08:00
|
|
|
result *= 10;
|
2003-11-04 08:51:32 +08:00
|
|
|
in_exp--;
|
2000-02-25 22:00:24 +08:00
|
|
|
}
|
|
|
|
return result;
|
2000-02-25 06:23:45 +08:00
|
|
|
}
|
|
|
|
|
2015-01-22 11:40:55 +08:00
|
|
|
static long roundv(LDOUBLE value)
|
2000-02-25 06:23:45 +08:00
|
|
|
{
|
2000-02-25 22:00:24 +08:00
|
|
|
long intpart;
|
2015-01-22 11:40:55 +08:00
|
|
|
intpart = (long)value;
|
2000-02-25 22:00:24 +08:00
|
|
|
value = value - intpart;
|
|
|
|
if (value >= 0.5)
|
|
|
|
intpart++;
|
|
|
|
return intpart;
|
|
|
|
}
|
2000-02-25 06:23:45 +08:00
|
|
|
|
2016-02-25 21:09:46 +08:00
|
|
|
static int
|
2015-01-22 11:40:55 +08:00
|
|
|
fmtfp(char **sbuffer,
|
|
|
|
char **buffer,
|
|
|
|
size_t *currlen,
|
2016-05-25 22:33:15 +08:00
|
|
|
size_t *maxlen, LDOUBLE fvalue, int min, int max, int flags, int style)
|
2000-02-25 22:00:24 +08:00
|
|
|
{
|
|
|
|
int signvalue = 0;
|
|
|
|
LDOUBLE ufvalue;
|
2016-05-25 22:33:15 +08:00
|
|
|
LDOUBLE tmpvalue;
|
2000-02-25 22:00:24 +08:00
|
|
|
char iconvert[20];
|
|
|
|
char fconvert[20];
|
2016-05-25 22:33:15 +08:00
|
|
|
char econvert[20];
|
2000-02-25 22:00:24 +08:00
|
|
|
int iplace = 0;
|
|
|
|
int fplace = 0;
|
2016-05-25 22:33:15 +08:00
|
|
|
int eplace = 0;
|
2000-02-25 22:00:24 +08:00
|
|
|
int padlen = 0;
|
|
|
|
int zpadlen = 0;
|
2016-05-25 22:33:15 +08:00
|
|
|
long exp = 0;
|
2016-05-25 23:20:48 +08:00
|
|
|
unsigned long intpart;
|
|
|
|
unsigned long fracpart;
|
|
|
|
unsigned long max10;
|
2016-05-25 22:33:15 +08:00
|
|
|
int realstyle;
|
2000-02-25 22:00:24 +08:00
|
|
|
|
|
|
|
if (max < 0)
|
|
|
|
max = 6;
|
2016-05-25 22:33:15 +08:00
|
|
|
|
2000-02-25 22:00:24 +08:00
|
|
|
if (fvalue < 0)
|
|
|
|
signvalue = '-';
|
|
|
|
else if (flags & DP_F_PLUS)
|
|
|
|
signvalue = '+';
|
|
|
|
else if (flags & DP_F_SPACE)
|
|
|
|
signvalue = ' ';
|
|
|
|
|
2016-05-25 22:33:15 +08:00
|
|
|
/*
|
|
|
|
* 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?
|
|
|
|
*/
|
2021-04-13 05:47:31 +08:00
|
|
|
(void)doapr_outch(sbuffer, buffer, currlen, maxlen, '\0');
|
2016-05-25 22:33:15 +08:00
|
|
|
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);
|
2020-05-26 02:13:47 +08:00
|
|
|
/*
|
|
|
|
* By subtracting 65535 (2^16-1) we cancel the low order 15 bits
|
|
|
|
* of ULONG_MAX to avoid using imprecise floating point values.
|
|
|
|
*/
|
2020-05-31 13:51:23 +08:00
|
|
|
if (ufvalue >= (double)(ULONG_MAX - 65535) + 65536.0) {
|
2016-05-25 23:20:48 +08:00
|
|
|
/* Number too big */
|
2021-04-13 05:47:31 +08:00
|
|
|
(void)doapr_outch(sbuffer, buffer, currlen, maxlen, '\0');
|
2016-05-25 23:20:48 +08:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
intpart = (unsigned long)ufvalue;
|
2000-02-25 22:00:24 +08:00
|
|
|
|
2015-01-22 11:40:55 +08:00
|
|
|
/*
|
|
|
|
* sorry, we only support 9 digits past the decimal because of our
|
|
|
|
* conversion method
|
|
|
|
*/
|
2000-02-25 22:00:24 +08:00
|
|
|
if (max > 9)
|
|
|
|
max = 9;
|
|
|
|
|
2015-01-22 11:40:55 +08:00
|
|
|
/*
|
|
|
|
* we "cheat" by converting the fractional part to integer by multiplying
|
|
|
|
* by a factor of 10
|
|
|
|
*/
|
2005-05-06 04:57:37 +08:00
|
|
|
max10 = roundv(pow_10(max));
|
|
|
|
fracpart = roundv(pow_10(max) * (ufvalue - intpart));
|
2000-02-25 22:00:24 +08:00
|
|
|
|
2004-03-25 10:19:42 +08:00
|
|
|
if (fracpart >= max10) {
|
2000-02-25 22:00:24 +08:00
|
|
|
intpart++;
|
2004-03-25 10:19:42 +08:00
|
|
|
fracpart -= max10;
|
2000-02-25 22:00:24 +08:00
|
|
|
}
|
2000-02-25 06:23:45 +08:00
|
|
|
|
2000-02-25 22:00:24 +08:00
|
|
|
/* convert integer part */
|
|
|
|
do {
|
2015-03-12 22:08:21 +08:00
|
|
|
iconvert[iplace++] = "0123456789"[intpart % 10];
|
2000-02-25 22:00:24 +08:00
|
|
|
intpart = (intpart / 10);
|
2003-12-12 02:01:03 +08:00
|
|
|
} while (intpart && (iplace < (int)sizeof(iconvert)));
|
2017-12-08 02:39:34 +08:00
|
|
|
if (iplace == sizeof(iconvert))
|
2000-02-25 22:00:24 +08:00
|
|
|
iplace--;
|
|
|
|
iconvert[iplace] = 0;
|
|
|
|
|
|
|
|
/* convert fractional part */
|
2016-05-25 22:33:15 +08:00
|
|
|
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;
|
|
|
|
}
|
2015-03-12 22:08:21 +08:00
|
|
|
fconvert[fplace++] = "0123456789"[fracpart % 10];
|
2000-02-25 22:00:24 +08:00
|
|
|
fracpart = (fracpart / 10);
|
2016-05-25 22:33:15 +08:00
|
|
|
}
|
|
|
|
|
2017-12-08 02:39:34 +08:00
|
|
|
if (fplace == sizeof(fconvert))
|
2000-02-25 22:00:24 +08:00
|
|
|
fplace--;
|
|
|
|
fconvert[fplace] = 0;
|
|
|
|
|
2016-05-25 22:33:15 +08:00
|
|
|
/* 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 */
|
2021-04-13 05:47:31 +08:00
|
|
|
if (tmpexp > 0) {
|
|
|
|
(void)doapr_outch(sbuffer, buffer, currlen, maxlen, '\0');
|
2016-05-25 22:33:15 +08:00
|
|
|
return 0;
|
2021-04-13 05:47:31 +08:00
|
|
|
}
|
2016-05-25 22:33:15 +08:00
|
|
|
/* 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;
|
2000-02-25 22:00:24 +08:00
|
|
|
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) {
|
2016-02-25 21:09:46 +08:00
|
|
|
if (!doapr_outch(sbuffer, buffer, currlen, maxlen, signvalue))
|
|
|
|
return 0;
|
2000-02-25 22:00:24 +08:00
|
|
|
--padlen;
|
|
|
|
signvalue = 0;
|
|
|
|
}
|
|
|
|
while (padlen > 0) {
|
2016-02-25 21:09:46 +08:00
|
|
|
if (!doapr_outch(sbuffer, buffer, currlen, maxlen, '0'))
|
|
|
|
return 0;
|
2000-02-25 22:00:24 +08:00
|
|
|
--padlen;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
while (padlen > 0) {
|
2016-02-25 21:09:46 +08:00
|
|
|
if (!doapr_outch(sbuffer, buffer, currlen, maxlen, ' '))
|
|
|
|
return 0;
|
2000-02-25 22:00:24 +08:00
|
|
|
--padlen;
|
|
|
|
}
|
2016-02-25 21:09:46 +08:00
|
|
|
if (signvalue && !doapr_outch(sbuffer, buffer, currlen, maxlen, signvalue))
|
|
|
|
return 0;
|
2000-02-25 06:23:45 +08:00
|
|
|
|
2016-02-25 21:09:46 +08:00
|
|
|
while (iplace > 0) {
|
|
|
|
if (!doapr_outch(sbuffer, buffer, currlen, maxlen, iconvert[--iplace]))
|
|
|
|
return 0;
|
|
|
|
}
|
2000-02-25 06:23:45 +08:00
|
|
|
|
2000-02-25 22:00:24 +08:00
|
|
|
/*
|
|
|
|
* Decimal point. This should probably use locale to find the correct
|
|
|
|
* char to print out.
|
|
|
|
*/
|
2003-04-04 07:35:14 +08:00
|
|
|
if (max > 0 || (flags & DP_F_NUM)) {
|
2016-02-25 21:09:46 +08:00
|
|
|
if (!doapr_outch(sbuffer, buffer, currlen, maxlen, '.'))
|
|
|
|
return 0;
|
2000-02-25 06:23:45 +08:00
|
|
|
|
2016-02-25 21:09:46 +08:00
|
|
|
while (fplace > 0) {
|
2017-08-26 23:56:44 +08:00
|
|
|
if (!doapr_outch(sbuffer, buffer, currlen, maxlen,
|
|
|
|
fconvert[--fplace]))
|
2016-02-25 21:09:46 +08:00
|
|
|
return 0;
|
|
|
|
}
|
2000-02-25 22:00:24 +08:00
|
|
|
}
|
|
|
|
while (zpadlen > 0) {
|
2016-02-25 21:09:46 +08:00
|
|
|
if (!doapr_outch(sbuffer, buffer, currlen, maxlen, '0'))
|
|
|
|
return 0;
|
2000-02-25 22:00:24 +08:00
|
|
|
--zpadlen;
|
2000-02-25 06:23:45 +08:00
|
|
|
}
|
2016-05-25 22:33:15 +08:00
|
|
|
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;
|
|
|
|
}
|
|
|
|
}
|
2000-02-25 22:00:24 +08:00
|
|
|
|
|
|
|
while (padlen < 0) {
|
2016-02-25 21:09:46 +08:00
|
|
|
if (!doapr_outch(sbuffer, buffer, currlen, maxlen, ' '))
|
|
|
|
return 0;
|
2000-02-25 22:00:24 +08:00
|
|
|
++padlen;
|
2000-02-25 06:23:45 +08:00
|
|
|
}
|
2016-02-25 21:09:46 +08:00
|
|
|
return 1;
|
2000-02-25 06:23:45 +08:00
|
|
|
}
|
|
|
|
|
2016-02-25 21:09:46 +08:00
|
|
|
#define BUFFER_INC 1024
|
|
|
|
|
|
|
|
static int
|
2015-01-22 11:40:55 +08:00
|
|
|
doapr_outch(char **sbuffer,
|
|
|
|
char **buffer, size_t *currlen, size_t *maxlen, int c)
|
2000-02-25 06:23:45 +08:00
|
|
|
{
|
2017-08-02 22:29:31 +08:00
|
|
|
/* If we haven't at least one buffer, someone has done a big booboo */
|
2017-06-21 22:52:11 +08:00
|
|
|
if (!ossl_assert(*sbuffer != NULL || buffer != NULL))
|
|
|
|
return 0;
|
2000-09-07 13:50:14 +08:00
|
|
|
|
2015-04-27 22:41:03 +08:00
|
|
|
/* |currlen| must always be <= |*maxlen| */
|
2017-06-21 22:52:11 +08:00
|
|
|
if (!ossl_assert(*currlen <= *maxlen))
|
|
|
|
return 0;
|
2015-04-27 22:41:03 +08:00
|
|
|
|
|
|
|
if (buffer && *currlen == *maxlen) {
|
2016-02-25 21:09:46 +08:00
|
|
|
if (*maxlen > INT_MAX - BUFFER_INC)
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
*maxlen += BUFFER_INC;
|
2015-04-27 22:41:03 +08:00
|
|
|
if (*buffer == NULL) {
|
2018-04-03 23:31:16 +08:00
|
|
|
if ((*buffer = OPENSSL_malloc(*maxlen)) == NULL) {
|
2020-11-04 19:23:19 +08:00
|
|
|
ERR_raise(ERR_LIB_BIO, ERR_R_MALLOC_FAILURE);
|
2016-02-25 21:09:46 +08:00
|
|
|
return 0;
|
2018-04-03 23:31:16 +08:00
|
|
|
}
|
2015-04-27 22:41:03 +08:00
|
|
|
if (*currlen > 0) {
|
2017-06-21 22:52:11 +08:00
|
|
|
if (!ossl_assert(*sbuffer != NULL))
|
|
|
|
return 0;
|
2015-04-27 22:41:03 +08:00
|
|
|
memcpy(*buffer, *sbuffer, *currlen);
|
|
|
|
}
|
|
|
|
*sbuffer = NULL;
|
|
|
|
} else {
|
2016-02-25 21:09:46 +08:00
|
|
|
char *tmpbuf;
|
2021-04-12 09:36:50 +08:00
|
|
|
|
2016-02-25 21:09:46 +08:00
|
|
|
tmpbuf = OPENSSL_realloc(*buffer, *maxlen);
|
2021-04-12 09:36:50 +08:00
|
|
|
if (tmpbuf == NULL) {
|
|
|
|
ERR_raise(ERR_LIB_BIO, ERR_R_MALLOC_FAILURE);
|
2016-02-25 21:09:46 +08:00
|
|
|
return 0;
|
2021-04-12 09:36:50 +08:00
|
|
|
}
|
2016-02-25 21:09:46 +08:00
|
|
|
*buffer = tmpbuf;
|
2015-01-22 11:40:55 +08:00
|
|
|
}
|
2000-03-02 15:50:02 +08:00
|
|
|
}
|
2000-09-07 13:50:14 +08:00
|
|
|
|
|
|
|
if (*currlen < *maxlen) {
|
2015-01-22 11:40:55 +08:00
|
|
|
if (*sbuffer)
|
|
|
|
(*sbuffer)[(*currlen)++] = (char)c;
|
|
|
|
else
|
|
|
|
(*buffer)[(*currlen)++] = (char)c;
|
2000-03-02 15:50:02 +08:00
|
|
|
}
|
|
|
|
|
2016-02-25 21:09:46 +08:00
|
|
|
return 1;
|
2000-02-25 06:23:45 +08:00
|
|
|
}
|
2000-04-15 07:36:15 +08:00
|
|
|
|
|
|
|
/***************************************************************************/
|
|
|
|
|
2015-01-22 11:40:55 +08:00
|
|
|
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);
|
2017-10-17 22:04:09 +08:00
|
|
|
return ret;
|
2015-01-22 11:40:55 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
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;
|
2016-02-25 21:09:46 +08:00
|
|
|
if (!_dopr(&hugebufp, &dynbuf, &hugebufsize, &retlen, &ignored, format,
|
|
|
|
args)) {
|
|
|
|
OPENSSL_free(dynbuf);
|
|
|
|
return -1;
|
|
|
|
}
|
2015-01-22 11:40:55 +08:00
|
|
|
if (dynbuf) {
|
|
|
|
ret = BIO_write(bio, dynbuf, (int)retlen);
|
|
|
|
OPENSSL_free(dynbuf);
|
|
|
|
} else {
|
|
|
|
ret = BIO_write(bio, hugebuf, (int)retlen);
|
|
|
|
}
|
2017-10-17 22:04:09 +08:00
|
|
|
return ret;
|
2015-01-22 11:40:55 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* 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?)
|
|
|
|
*/
|
2000-04-15 07:36:15 +08:00
|
|
|
int BIO_snprintf(char *buf, size_t n, const char *format, ...)
|
2015-01-22 11:40:55 +08:00
|
|
|
{
|
|
|
|
va_list args;
|
|
|
|
int ret;
|
2000-08-18 17:36:59 +08:00
|
|
|
|
2015-01-22 11:40:55 +08:00
|
|
|
va_start(args, format);
|
2000-08-18 17:36:59 +08:00
|
|
|
|
2015-01-22 11:40:55 +08:00
|
|
|
ret = BIO_vsnprintf(buf, n, format, args);
|
2000-08-18 17:36:59 +08:00
|
|
|
|
2015-01-22 11:40:55 +08:00
|
|
|
va_end(args);
|
2017-10-17 22:04:09 +08:00
|
|
|
return ret;
|
2015-01-22 11:40:55 +08:00
|
|
|
}
|
2000-08-18 17:36:59 +08:00
|
|
|
|
|
|
|
int BIO_vsnprintf(char *buf, size_t n, const char *format, va_list args)
|
2015-01-22 11:40:55 +08:00
|
|
|
{
|
|
|
|
size_t retlen;
|
|
|
|
int truncated;
|
|
|
|
|
2017-08-26 23:56:44 +08:00
|
|
|
if (!_dopr(&buf, NULL, &n, &retlen, &truncated, format, args))
|
2016-02-25 21:09:46 +08:00
|
|
|
return -1;
|
2015-01-22 11:40:55 +08:00
|
|
|
|
|
|
|
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;
|
2021-04-12 09:36:50 +08:00
|
|
|
return (retlen <= INT_MAX) ? (int)retlen : -1;
|
2015-01-22 11:40:55 +08:00
|
|
|
}
|