-/* crypto/bio/b_print.c */
-/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
- * All rights reserved.
+/*
+ * Copyright 1995-2016 The OpenSSL Project Authors. 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.
+ * 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 <stdarg.h>
-#include "cryptlib.h"
+#include <string.h>
+#include <ctype.h>
+#include "internal/numbers.h"
+#include "internal/cryptlib.h"
+#ifndef NO_SYS_TYPES_H
+# include <sys/types.h>
+#endif
+#include <openssl/bn.h> /* To get BN_LLONG properly defined */
#include <openssl/bio.h>
-static void dopr (char *buffer, size_t maxlen, 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), format, args);
-
- ret=BIO_write(bio,hugebuf,strlen(hugebuf));
-
- va_end(args);
- return(ret);
- }
+#if defined(BN_LLONG) || defined(SIXTY_FOUR_BIT)
+# ifndef HAVE_LONG_LONG
+# define HAVE_LONG_LONG 1
+# endif
+#endif
/*
* Copyright Patrick Powell 1995
- * This code is based on code written by Patrick Powell (papowell@astart.com)
+ * 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
+ * on all source code distributions.
*/
-#include <string.h>
-#include <ctype.h>
-#include <sys/types.h>
-#include <stdarg.h>
+#ifdef HAVE_LONG_DOUBLE
+# define LDOUBLE long double
+#else
+# define LDOUBLE double
+#endif
-static void fmtstr (char *buffer, size_t *currlen, size_t maxlen,
- char *value, int flags, int min, int max);
-static void fmtint (char *buffer, size_t *currlen, size_t maxlen,
- long value, int base, int min, int max, int flags);
-static void fmtfp (char *buffer, size_t *currlen, size_t maxlen,
- long double fvalue, int min, int max, int flags);
-static void dopr_outch (char *buffer, size_t *currlen, size_t maxlen, char c );
+#ifdef HAVE_LONG_LONG
+# if defined(_WIN32) && !defined(__GNUC__)
+# define LLONG __int64
+# else
+# define LLONG long long
+# endif
+#else
+# define LLONG long
+#endif
-/*
- * dopr(): poor man's version of doprintf
- */
+static int fmtstr(char **, char **, size_t *, size_t *,
+ const char *, int, int, int);
+static int fmtint(char **, char **, size_t *, size_t *,
+ LLONG, 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
+#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
-
+/* 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
+
+/* 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 MAX(p,q) ((p >= q) ? p : q)
+#define OSSL_MAX(p,q) ((p >= q) ? p : q)
-static void dopr (char *buffer, size_t maxlen, const char *format, va_list args)
+static int
+_dopr(char **sbuffer,
+ char **buffer,
+ size_t *maxlen,
+ size_t *retlen, int *truncated, const char *format, va_list args)
{
- char ch;
- long value;
- long double fvalue;
- char *strvalue;
- int min;
- int max;
- int state;
- int flags;
- int cflags;
- size_t currlen;
-
- state = DP_S_DEFAULT;
- currlen = flags = 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:
- /* Currently, we don't support Long Long, bummer */
- switch (ch)
- {
- case 'h':
- cflags = DP_C_SHORT;
- ch = *format++;
- break;
- case 'l':
- cflags = DP_C_LONG;
- 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':
- if (cflags == DP_C_SHORT)
- value = va_arg (args, short int);
- else if (cflags == DP_C_LONG)
- value = va_arg (args, long int);
- else
- value = va_arg (args, int);
- fmtint (buffer, &currlen, maxlen, value, 10, min, max, flags);
- break;
- case 'o':
- flags |= DP_F_UNSIGNED;
- if (cflags == DP_C_SHORT)
- value = va_arg (args, unsigned short int);
- else if (cflags == DP_C_LONG)
- value = va_arg (args, unsigned long int);
- else
- value = va_arg (args, unsigned int);
- fmtint (buffer, &currlen, maxlen, value, 8, min, max, flags);
- break;
- case 'u':
- flags |= DP_F_UNSIGNED;
- if (cflags == DP_C_SHORT)
- value = va_arg (args, unsigned short int);
- else if (cflags == DP_C_LONG)
- value = va_arg (args, unsigned long int);
- else
- value = va_arg (args, unsigned int);
- fmtint (buffer, &currlen, maxlen, value, 10, min, max, flags);
- break;
- case 'X':
- flags |= DP_F_UP;
- case 'x':
- flags |= DP_F_UNSIGNED;
- if (cflags == DP_C_SHORT)
- value = va_arg (args, unsigned short int);
- else if (cflags == DP_C_LONG)
- value = va_arg (args, unsigned long int);
- else
- value = va_arg (args, unsigned int);
- fmtint (buffer, &currlen, maxlen, value, 16, min, max, flags);
- break;
- case 'f':
- if (cflags == DP_C_LDOUBLE)
- fvalue = va_arg (args, long double);
- else
- fvalue = va_arg (args, double);
- /* um, floating point? */
- 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, long double);
- else
- fvalue = va_arg (args, double);
- break;
- case 'G':
- flags |= DP_F_UP;
- case 'g':
- if (cflags == DP_C_LDOUBLE)
- fvalue = va_arg (args, long double);
- 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; /* ie, no max */
- fmtstr (buffer, &currlen, maxlen, strvalue, flags, min, max);
- break;
- case 'p':
- strvalue = va_arg (args, void *);
- fmtint (buffer, &currlen, maxlen, (long) strvalue, 16, min, max, flags);
- break;
- case 'n':
- if (cflags == DP_C_SHORT)
- {
- short int *num;
- num = va_arg (args, short int *);
- *num = currlen;
- }
- else if (cflags == DP_C_LONG)
- {
- long int *num;
- num = va_arg (args, long int *);
- *num = currlen;
- }
- else
- {
- int *num;
- num = va_arg (args, int *);
- *num = currlen;
+ char ch;
+ LLONG value;
+ LDOUBLE fvalue;
+ char *strvalue;
+ int min;
+ int max;
+ int state;
+ int flags;
+ int cflags;
+ size_t currlen;
+
+ state = DP_S_DEFAULT;
+ flags = currlen = cflags = min = 0;
+ max = -1;
+ ch = *format++;
+
+ while (state != DP_S_DONE) {
+ if (ch == '\0' || (buffer == NULL && currlen >= *maxlen))
+ state = DP_S_DONE;
+
+ switch (state) {
+ case DP_S_DEFAULT:
+ if (ch == '%')
+ state = DP_S_FLAGS;
+ else
+ 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 (isdigit((unsigned char)ch)) {
+ min = 10 * min + char_to_int(ch);
+ ch = *format++;
+ } else if (ch == '*') {
+ min = va_arg(args, int);
+ ch = *format++;
+ state = DP_S_DOT;
+ } else
+ state = DP_S_DOT;
+ break;
+ case DP_S_DOT:
+ if (ch == '.') {
+ state = DP_S_MAX;
+ ch = *format++;
+ } else
+ state = DP_S_MOD;
+ break;
+ case DP_S_MAX:
+ if (isdigit((unsigned char)ch)) {
+ if (max < 0)
+ max = 0;
+ max = 10 * max + char_to_int(ch);
+ ch = *format++;
+ } else if (ch == '*') {
+ max = va_arg(args, int);
+ ch = *format++;
+ state = DP_S_MOD;
+ } else
+ state = DP_S_MOD;
+ break;
+ case DP_S_MOD:
+ switch (ch) {
+ case 'h':
+ cflags = DP_C_SHORT;
+ ch = *format++;
+ break;
+ case 'l':
+ if (*format == 'l') {
+ cflags = DP_C_LLONG;
+ format++;
+ } else
+ cflags = DP_C_LONG;
+ ch = *format++;
+ break;
+ case 'q':
+ cflags = DP_C_LLONG;
+ ch = *format++;
+ break;
+ case 'L':
+ cflags = DP_C_LDOUBLE;
+ ch = *format++;
+ break;
+ default:
+ break;
+ }
+ state = DP_S_CONV;
+ break;
+ case DP_S_CONV:
+ switch (ch) {
+ case 'd':
+ case 'i':
+ switch (cflags) {
+ case DP_C_SHORT:
+ value = (short int)va_arg(args, int);
+ break;
+ case DP_C_LONG:
+ value = va_arg(args, long int);
+ break;
+ case DP_C_LLONG:
+ value = va_arg(args, LLONG);
+ break;
+ default:
+ value = va_arg(args, int);
+ break;
+ }
+ 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 = (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;
+ }
+ 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;
+ 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;
+ 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': /* 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 '%':
+ 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;
}
- 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:
- /* hmm? */
- break; /* some picky compilers need this */
- }
- }
- if (currlen < maxlen - 1)
- buffer[currlen] = '\0';
- else
- buffer[maxlen - 1] = '\0';
+ }
+ /*
+ * 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 void fmtstr (char *buffer, size_t *currlen, size_t maxlen,
- char *value, int flags, int min, int max)
+static int
+fmtstr(char **sbuffer,
+ char **buffer,
+ size_t *currlen,
+ size_t *maxlen, const char *value, int flags, int min, int max)
{
- int padlen, strln; /* amount to pad */
- int cnt = 0;
-
- if (value == 0)
- {
- value = "<NULL>";
- }
-
- for (strln = 0; value[strln]; ++strln); /* strlen */
- padlen = min - strln;
- if (padlen < 0)
- padlen = 0;
- if (flags & DP_F_MINUS)
- padlen = -padlen; /* Left Justify */
-
- 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;
- }
+ 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;
}
-/* Have to handle DP_F_NUM (ie 0x and 0 alternates) */
-
-static void fmtint (char *buffer, size_t *currlen, size_t maxlen,
- long value, int base, int min, int max, int flags)
+static int
+fmtint(char **sbuffer,
+ char **buffer,
+ size_t *currlen,
+ size_t *maxlen, LLONG value, int base, int min, int max, int flags)
{
- int signvalue = 0;
- unsigned long uvalue;
- char convert[20];
- int place = 0;
- int spadlen = 0; /* amount to space pad */
- int zpadlen = 0; /* amount to zero pad */
- int caps = 0;
-
- if (max < 0)
- max = 0;
-
- uvalue = value;
-
- if(!(flags & DP_F_UNSIGNED))
- {
- if( value < 0 ) {
- signvalue = '-';
- uvalue = -value;
+ int signvalue = 0;
+ const char *prefix = "";
+ unsigned LLONG uvalue;
+ char convert[DECIMAL_SIZE(value) + 3];
+ int place = 0;
+ int spadlen = 0;
+ int zpadlen = 0;
+ int caps = 0;
+
+ if (max < 0)
+ max = 0;
+ uvalue = value;
+ if (!(flags & DP_F_UNSIGNED)) {
+ if (value < 0) {
+ signvalue = '-';
+ uvalue = -(unsigned LLONG)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++;
}
- else
- if (flags & DP_F_PLUS) /* Do a sign (+/i) */
- signvalue = '+';
- else
- if (flags & DP_F_SPACE)
- signvalue = ' ';
- }
-
- if (flags & DP_F_UP) caps = 1; /* Should characters be upper case? */
-
- 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; /* Left Justifty */
-
-#ifdef DEBUG_SNPRINTF
- dprint (1, (debugfile, "zpad: %d, spad: %d, min: %d, max: %d, place: %d\n",
- zpadlen, spadlen, min, max, place));
-#endif
- /* 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;
- }
+ /* 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 long double abs_val (long double value)
+static LDOUBLE abs_val(LDOUBLE value)
{
- long double result = value;
+ LDOUBLE result = value;
+ if (value < 0)
+ result = -value;
+ return result;
+}
- if (value < 0)
- result = -value;
+static LDOUBLE pow_10(int in_exp)
+{
+ LDOUBLE result = 1;
+ while (in_exp) {
+ result *= 10;
+ in_exp--;
+ }
+ return result;
+}
- return result;
+static long roundv(LDOUBLE value)
+{
+ long intpart;
+ intpart = (long)value;
+ value = value - intpart;
+ if (value >= 0.5)
+ intpart++;
+ return intpart;
}
-static long double pow10 (int exp)
+static int
+fmtfp(char **sbuffer,
+ char **buffer,
+ size_t *currlen,
+ size_t *maxlen, LDOUBLE fvalue, int min, int max, int flags, int style)
{
- long double result = 1;
-
- while (exp)
- {
- result *= 10;
- exp--;
- }
-
- return result;
+ 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;
}
-static long round (long double value)
+#define BUFFER_INC 1024
+
+static int
+doapr_outch(char **sbuffer,
+ char **buffer, size_t *currlen, size_t *maxlen, int c)
{
- long intpart;
+ /* If we haven't at least one buffer, someone has doe a big booboo */
+ OPENSSL_assert(*sbuffer != NULL || buffer != NULL);
+
+ /* |currlen| must always be <= |*maxlen| */
+ OPENSSL_assert(*currlen <= *maxlen);
+
+ if (buffer && *currlen == *maxlen) {
+ if (*maxlen > INT_MAX - BUFFER_INC)
+ return 0;
+
+ *maxlen += BUFFER_INC;
+ if (*buffer == NULL) {
+ *buffer = OPENSSL_malloc(*maxlen);
+ if (*buffer == NULL)
+ return 0;
+ if (*currlen > 0) {
+ OPENSSL_assert(*sbuffer != NULL);
+ memcpy(*buffer, *sbuffer, *currlen);
+ }
+ *sbuffer = NULL;
+ } else {
+ char *tmpbuf;
+ tmpbuf = OPENSSL_realloc(*buffer, *maxlen);
+ if (tmpbuf == NULL)
+ return 0;
+ *buffer = tmpbuf;
+ }
+ }
- intpart = value;
- value = value - intpart;
- if (value >= 0.5)
- intpart++;
+ if (*currlen < *maxlen) {
+ if (*sbuffer)
+ (*sbuffer)[(*currlen)++] = (char)c;
+ else
+ (*buffer)[(*currlen)++] = (char)c;
+ }
- return intpart;
+ return 1;
}
-static void fmtfp (char *buffer, size_t *currlen, size_t maxlen,
- long double fvalue, int min, int max, int flags)
+/***************************************************************************/
+
+int BIO_printf(BIO *bio, const char *format, ...)
{
- int signvalue = 0;
- long double ufvalue;
- char iconvert[20];
- char fconvert[20];
- int iplace = 0;
- int fplace = 0;
- int padlen = 0; /* amount to pad */
- int zpadlen = 0;
- int caps = 0;
- long intpart;
- long fracpart;
-
- /*
- * AIX manpage says the default is 0, but Solaris says the default
- * is 6, and sprintf on AIX defaults to 6
- */
- if (max < 0)
- max = 6;
-
- ufvalue = abs_val (fvalue);
-
- if (fvalue < 0)
- signvalue = '-';
- else
- if (flags & DP_F_PLUS) /* Do a sign (+/i) */
- signvalue = '+';
- else
- if (flags & DP_F_SPACE)
- signvalue = ' ';
+ va_list args;
+ int ret;
-#if 0
- if (flags & DP_F_UP) caps = 1; /* Should characters be upper case? */
-#endif
+ va_start(args, format);
- intpart = ufvalue;
+ ret = BIO_vprintf(bio, format, args);
- /*
- * Sorry, we only support 9 digits past the decimal because of our
- * conversion method
- */
- if (max > 9)
- max = 9;
+ va_end(args);
+ return (ret);
+}
- /* We "cheat" by converting the fractional part to integer by
- * multiplying by a factor of 10
- */
- fracpart = round ((pow10 (max)) * (ufvalue - intpart));
+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);
+}
- if (fracpart >= pow10 (max))
- {
- intpart++;
- fracpart -= pow10 (max);
- }
+/*
+ * 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;
-#ifdef DEBUG_SNPRINTF
- dprint (1, (debugfile, "fmtfp: %f =? %d.%d\n", fvalue, intpart, fracpart));
-#endif
+ va_start(args, format);
- /* 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; /* Left Justifty */
-
- 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.
- */
- 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;
- }
+ ret = BIO_vsnprintf(buf, n, format, args);
+
+ va_end(args);
+ return (ret);
}
-static void dopr_outch (char *buffer, size_t *currlen, size_t maxlen, char c)
+int BIO_vsnprintf(char *buf, size_t n, const char *format, va_list args)
{
- if (*currlen < maxlen)
- buffer[(*currlen)++] = c;
+ 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;
}