1 /* crypto/bio/b_print.c */
2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
26 * 1. Redistributions of source code must retain the copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 * must display the following acknowledgement:
33 * "This product includes cryptographic software written by
34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
60 * Stolen from tjh's ssl/ssl_trc.c stuff.
68 #ifndef NO_SYS_TYPES_H
69 #include <sys/types.h>
71 #include <openssl/bio.h>
74 # ifndef HAVE_LONG_LONG
75 # define HAVE_LONG_LONG
79 static void dopr (char *buffer, size_t maxlen, size_t *retlen,
80 const char *format, va_list args);
82 int BIO_printf (BIO *bio, ...)
88 MS_STATIC char hugebuf[1024*2]; /* 10k in one chunk is the limit */
91 format=va_arg(args, char *);
94 dopr(hugebuf, sizeof(hugebuf), &retlen, format, args);
95 ret=BIO_write(bio, hugebuf, (int)retlen);
102 * Copyright Patrick Powell 1995
103 * This code is based on code written by Patrick Powell <papowell@astart.com>
104 * It may be used for any purpose as long as this notice remains intact
105 * on all source code distributions.
109 * This code contains numerious changes and enhancements which were
110 * made by lots of contributors over the last years to Patrick Powell's
113 * o Patrick Powell <papowell@astart.com> (1995)
114 * o Brandon Long <blong@fiction.net> (1996, for Mutt)
115 * o Thomas Roessler <roessler@guug.de> (1998, for Mutt)
116 * o Michael Elkins <me@cs.hmc.edu> (1998, for Mutt)
117 * o Andrew Tridgell <tridge@samba.org> (1998, for Samba)
118 * o Luke Mewburn <lukem@netbsd.org> (1999, for LukemFTP)
119 * o Ralf S. Engelschall <rse@engelschall.com> (1999, for Pth)
123 #define LDOUBLE long double
125 #define LDOUBLE double
129 #define LLONG long long
134 static void fmtstr (char *, size_t *, size_t, char *, int, int, int);
135 static void fmtint (char *, size_t *, size_t, LLONG, int, int, int, int);
136 static void fmtfp (char *, size_t *, size_t, LDOUBLE, int, int, int);
137 static void dopr_outch (char *, size_t *, size_t, int);
139 /* format read states */
140 #define DP_S_DEFAULT 0
149 /* format flags - Bits */
150 #define DP_F_MINUS (1 << 0)
151 #define DP_F_PLUS (1 << 1)
152 #define DP_F_SPACE (1 << 2)
153 #define DP_F_NUM (1 << 3)
154 #define DP_F_ZERO (1 << 4)
155 #define DP_F_UP (1 << 5)
156 #define DP_F_UNSIGNED (1 << 6)
158 /* conversion flags */
161 #define DP_C_LDOUBLE 3
164 /* some handy macros */
165 #define char_to_int(p) (p - '0')
166 #define MAX(p,q) ((p >= q) ? p : q)
187 state = DP_S_DEFAULT;
188 flags = currlen = cflags = min = 0;
192 while (state != DP_S_DONE) {
193 if ((ch == '\0') || (currlen >= maxlen))
201 dopr_outch(buffer, &currlen, maxlen, ch);
232 if (isdigit((unsigned char)ch)) {
233 min = 10 * min + char_to_int(ch);
235 } else if (ch == '*') {
236 min = va_arg(args, int);
250 if (isdigit((unsigned char)ch)) {
253 max = 10 * max + char_to_int(ch);
255 } else if (ch == '*') {
256 max = va_arg(args, int);
269 if (*format == 'l') {
281 cflags = DP_C_LDOUBLE;
295 value = (short int)va_arg(args, int);
298 value = va_arg(args, long int);
301 value = va_arg(args, LLONG);
304 value = va_arg(args, int);
307 fmtint(buffer, &currlen, maxlen, value, 10, min, max, flags);
315 flags |= DP_F_UNSIGNED;
318 value = (unsigned short int)va_arg(args, unsigned int);
321 value = (LLONG) va_arg(args,
325 value = va_arg(args, unsigned LLONG);
328 value = (LLONG) va_arg(args,
332 fmtint(buffer, &currlen, maxlen, value,
333 ch == 'o' ? 8 : (ch == 'u' ? 10 : 16),
337 if (cflags == DP_C_LDOUBLE)
338 fvalue = va_arg(args, LDOUBLE);
340 fvalue = va_arg(args, double);
341 fmtfp(buffer, &currlen, maxlen, fvalue, min, max, flags);
346 if (cflags == DP_C_LDOUBLE)
347 fvalue = va_arg(args, LDOUBLE);
349 fvalue = va_arg(args, double);
354 if (cflags == DP_C_LDOUBLE)
355 fvalue = va_arg(args, LDOUBLE);
357 fvalue = va_arg(args, double);
360 dopr_outch(buffer, &currlen, maxlen,
364 strvalue = va_arg(args, char *);
367 fmtstr(buffer, &currlen, maxlen, strvalue,
371 value = (long)va_arg(args, void *);
372 fmtint(buffer, &currlen, maxlen,
373 value, 16, min, max, flags);
376 if (cflags == DP_C_SHORT) {
378 num = va_arg(args, short int *);
380 } else if (cflags == DP_C_LONG) { /* XXX */
382 num = va_arg(args, long int *);
383 *num = (long int) currlen;
384 } else if (cflags == DP_C_LLONG) { /* XXX */
386 num = va_arg(args, LLONG *);
387 *num = (LLONG) currlen;
390 num = va_arg(args, int *);
395 dopr_outch(buffer, &currlen, maxlen, ch);
398 /* not supported yet, treat as next char */
406 state = DP_S_DEFAULT;
407 flags = cflags = min = 0;
416 if (currlen >= maxlen - 1)
417 currlen = maxlen - 1;
418 buffer[currlen] = '\0';
438 for (strln = 0; value[strln]; ++strln)
440 padlen = min - strln;
443 if (flags & DP_F_MINUS)
446 while ((padlen > 0) && (cnt < max)) {
447 dopr_outch(buffer, currlen, maxlen, ' ');
451 while (*value && (cnt < max)) {
452 dopr_outch(buffer, currlen, maxlen, *value++);
455 while ((padlen < 0) && (cnt < max)) {
456 dopr_outch(buffer, currlen, maxlen, ' ');
474 unsigned LLONG uvalue;
484 if (!(flags & DP_F_UNSIGNED)) {
488 } else if (flags & DP_F_PLUS)
490 else if (flags & DP_F_SPACE)
497 (caps ? "0123456789ABCDEF" : "0123456789abcdef")
498 [uvalue % (unsigned) base];
499 uvalue = (uvalue / (unsigned) base);
500 } while (uvalue && (place < 20));
505 zpadlen = max - place;
506 spadlen = min - MAX(max, place) - (signvalue ? 1 : 0);
511 if (flags & DP_F_ZERO) {
512 zpadlen = MAX(zpadlen, spadlen);
515 if (flags & DP_F_MINUS)
519 while (spadlen > 0) {
520 dopr_outch(buffer, currlen, maxlen, ' ');
526 dopr_outch(buffer, currlen, maxlen, signvalue);
530 while (zpadlen > 0) {
531 dopr_outch(buffer, currlen, maxlen, '0');
537 dopr_outch(buffer, currlen, maxlen, convert[--place]);
539 /* left justified spaces */
540 while (spadlen < 0) {
541 dopr_outch(buffer, currlen, maxlen, ' ');
548 abs_val(LDOUBLE value)
550 LDOUBLE result = value;
571 intpart = (long) value;
572 value = value - intpart;
602 ufvalue = abs_val(fvalue);
605 else if (flags & DP_F_PLUS)
607 else if (flags & DP_F_SPACE)
610 intpart = (long)ufvalue;
612 /* sorry, we only support 9 digits past the decimal because of our
617 /* we "cheat" by converting the fractional part to integer by
618 multiplying by a factor of 10 */
619 fracpart = round((pow10(max)) * (ufvalue - intpart));
621 if (fracpart >= pow10(max)) {
623 fracpart -= (long)pow10(max);
626 /* convert integer part */
629 (caps ? "0123456789ABCDEF"
630 : "0123456789abcdef")[intpart % 10];
631 intpart = (intpart / 10);
632 } while (intpart && (iplace < 20));
635 iconvert[iplace] = 0;
637 /* convert fractional part */
640 (caps ? "0123456789ABCDEF"
641 : "0123456789abcdef")[fracpart % 10];
642 fracpart = (fracpart / 10);
643 } while (fracpart && (fplace < 20));
646 fconvert[fplace] = 0;
648 /* -1 for decimal point, another -1 if we are printing a sign */
649 padlen = min - iplace - max - 1 - ((signvalue) ? 1 : 0);
650 zpadlen = max - fplace;
655 if (flags & DP_F_MINUS)
658 if ((flags & DP_F_ZERO) && (padlen > 0)) {
660 dopr_outch(buffer, currlen, maxlen, signvalue);
665 dopr_outch(buffer, currlen, maxlen, '0');
670 dopr_outch(buffer, currlen, maxlen, ' ');
674 dopr_outch(buffer, currlen, maxlen, signvalue);
677 dopr_outch(buffer, currlen, maxlen, iconvert[--iplace]);
680 * Decimal point. This should probably use locale to find the correct
684 dopr_outch(buffer, currlen, maxlen, '.');
687 dopr_outch(buffer, currlen, maxlen, fconvert[--fplace]);
689 while (zpadlen > 0) {
690 dopr_outch(buffer, currlen, maxlen, '0');
695 dopr_outch(buffer, currlen, maxlen, ' ');
707 if (*currlen < maxlen)
708 buffer[(*currlen)++] = (char)c;