* [including the GNU Public Licence.]
*/
+/* disable assert() unless BIO_DEBUG has been defined */
+#ifndef BIO_DEBUG
+# ifndef NDEBUG
+# define NDEBUG
+# endif
+#endif
+
/*
* Stolen from tjh's ssl/ssl_trc.c stuff.
*/
#include <stdio.h>
-#include <stdarg.h>
+#include <string.h>
+#include <ctype.h>
+#include <assert.h>
+#include <limits.h>
#include "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));
+#if defined(BN_LLONG) || defined(SIXTY_FOUR_BIT)
+# ifndef HAVE_LONG_LONG
+# define HAVE_LONG_LONG 1
+# endif
+#endif
- va_end(args);
- return(ret);
- }
+/***************************************************************************/
/*
* 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>
-
-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 );
-
/*
- * dopr(): poor man's version of doprintf
+ * This code contains numerious changes and enhancements which were
+ * made by lots of contributors over the last years to Patrick Powell's
+ * original code:
+ *
+ * o Patrick Powell <papowell@astart.com> (1995)
+ * o Brandon Long <blong@fiction.net> (1996, for Mutt)
+ * o Thomas Roessler <roessler@guug.de> (1998, for Mutt)
+ * o Michael Elkins <me@cs.hmc.edu> (1998, for Mutt)
+ * o Andrew Tridgell <tridge@samba.org> (1998, for Samba)
+ * o Luke Mewburn <lukem@netbsd.org> (1999, for LukemFTP)
+ * o Ralf S. Engelschall <rse@engelschall.com> (1999, for Pth)
+ * o ... (for OpenSSL)
*/
+#ifdef HAVE_LONG_DOUBLE
+#define LDOUBLE long double
+#else
+#define LDOUBLE double
+#endif
+
+#ifdef HAVE_LONG_LONG
+# if defined(_WIN32) && !defined(__GNUC__)
+# define LLONG __int64
+# else
+# define LLONG long long
+# endif
+#else
+#define LLONG long
+#endif
+
+static void fmtstr (char **, char **, size_t *, size_t *,
+ const char *, int, int, int);
+static void fmtint (char **, char **, size_t *, size_t *,
+ LLONG, int, int, int, int);
+static void fmtfp (char **, char **, size_t *, size_t *,
+ LDOUBLE, int, int, int);
+static void doapr_outch (char **, char **, size_t *, size_t *, int);
+static void _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
-
+#define DP_F_MINUS (1 << 0)
+#define DP_F_PLUS (1 << 1)
+#define DP_F_SPACE (1 << 2)
+#define DP_F_NUM (1 << 3)
+#define DP_F_ZERO (1 << 4)
+#define DP_F_UP (1 << 5)
+#define DP_F_UNSIGNED (1 << 6)
+
+/* conversion flags */
+#define DP_C_SHORT 1
+#define DP_C_LONG 2
+#define DP_C_LDOUBLE 3
+#define DP_C_LLONG 4
+
+/* some handy macros */
#define char_to_int(p) (p - '0')
-#define MAX(p,q) ((p >= q) ? p : q)
-
-static void dopr (char *buffer, size_t maxlen, const char *format, va_list args)
+#define OSSL_MAX(p,q) ((p >= q) ? p : q)
+
+static void
+_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
+ doapr_outch(sbuffer,buffer, &currlen, maxlen, ch);
+ ch = *format++;
+ break;
+ case DP_S_FLAGS:
+ switch (ch) {
+ case '-':
+ flags |= DP_F_MINUS;
+ ch = *format++;
+ break;
+ case '+':
+ flags |= DP_F_PLUS;
+ ch = *format++;
+ break;
+ case ' ':
+ flags |= DP_F_SPACE;
+ ch = *format++;
+ break;
+ case '#':
+ flags |= DP_F_NUM;
+ ch = *format++;
+ break;
+ case '0':
+ flags |= DP_F_ZERO;
+ ch = *format++;
+ break;
+ default:
+ state = DP_S_MIN;
+ break;
+ }
+ break;
+ case DP_S_MIN:
+ if (isdigit((unsigned char)ch)) {
+ min = 10 * min + char_to_int(ch);
+ ch = *format++;
+ } else if (ch == '*') {
+ min = va_arg(args, int);
+ ch = *format++;
+ state = DP_S_DOT;
+ } else
+ state = DP_S_DOT;
+ break;
+ case DP_S_DOT:
+ if (ch == '.') {
+ state = DP_S_MAX;
+ ch = *format++;
+ } else
+ state = DP_S_MOD;
+ break;
+ case DP_S_MAX:
+ if (isdigit((unsigned char)ch)) {
+ if (max < 0)
+ max = 0;
+ max = 10 * max + char_to_int(ch);
+ ch = *format++;
+ } else if (ch == '*') {
+ max = va_arg(args, int);
+ ch = *format++;
+ state = DP_S_MOD;
+ } else
+ state = DP_S_MOD;
+ break;
+ case DP_S_MOD:
+ switch (ch) {
+ case 'h':
+ cflags = DP_C_SHORT;
+ ch = *format++;
+ break;
+ case 'l':
+ if (*format == 'l') {
+ cflags = DP_C_LLONG;
+ format++;
+ } else
+ cflags = DP_C_LONG;
+ ch = *format++;
+ break;
+ case 'q':
+ cflags = DP_C_LLONG;
+ ch = *format++;
+ break;
+ case 'L':
+ cflags = DP_C_LDOUBLE;
+ ch = *format++;
+ break;
+ default:
+ break;
+ }
+ state = DP_S_CONV;
+ break;
+ case DP_S_CONV:
+ switch (ch) {
+ case 'd':
+ case 'i':
+ switch (cflags) {
+ case DP_C_SHORT:
+ value = (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;
+ }
+ fmtint(sbuffer, buffer, &currlen, maxlen,
+ value, 10, min, max, flags);
+ break;
+ case 'X':
+ flags |= DP_F_UP;
+ /* FALLTHROUGH */
+ case 'x':
+ case 'o':
+ case 'u':
+ flags |= DP_F_UNSIGNED;
+ switch (cflags) {
+ case DP_C_SHORT:
+ value = (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;
+ }
+ fmtint(sbuffer, buffer, &currlen, maxlen, value,
+ ch == 'o' ? 8 : (ch == 'u' ? 10 : 16),
+ min, max, flags);
+ break;
+ case 'f':
+ if (cflags == DP_C_LDOUBLE)
+ fvalue = va_arg(args, LDOUBLE);
+ else
+ fvalue = va_arg(args, double);
+ fmtfp(sbuffer, buffer, &currlen, maxlen,
+ fvalue, min, max, flags);
+ break;
+ case 'E':
+ flags |= DP_F_UP;
+ case 'e':
+ if (cflags == DP_C_LDOUBLE)
+ fvalue = va_arg(args, LDOUBLE);
+ else
+ fvalue = va_arg(args, double);
+ break;
+ case 'G':
+ flags |= DP_F_UP;
+ case 'g':
+ if (cflags == DP_C_LDOUBLE)
+ fvalue = va_arg(args, LDOUBLE);
+ else
+ fvalue = va_arg(args, double);
+ break;
+ case 'c':
+ doapr_outch(sbuffer, buffer, &currlen, maxlen,
+ va_arg(args, int));
+ break;
+ case 's':
+ strvalue = va_arg(args, char *);
+ if (max < 0) {
+ if (buffer)
+ max = INT_MAX;
+ else
+ max = *maxlen;
+ }
+ fmtstr(sbuffer, buffer, &currlen, maxlen, strvalue,
+ flags, min, max);
+ break;
+ case 'p':
+ value = (long)va_arg(args, void *);
+ fmtint(sbuffer, buffer, &currlen, maxlen,
+ value, 16, min, max, flags|DP_F_NUM);
+ 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 '%':
+ doapr_outch(sbuffer, buffer, &currlen, maxlen, ch);
+ break;
+ case 'w':
+ /* not supported yet, treat as next char */
+ ch = *format++;
+ break;
+ default:
+ /* unknown, skip */
+ break;
+ }
+ ch = *format++;
+ state = DP_S_DEFAULT;
+ flags = cflags = min = 0;
+ max = -1;
+ break;
+ case DP_S_DONE:
+ break;
+ default:
+ break;
}
- 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';
+ *truncated = (currlen > *maxlen - 1);
+ if (*truncated)
+ currlen = *maxlen - 1;
+ doapr_outch(sbuffer, buffer, &currlen, maxlen, '\0');
+ *retlen = currlen - 1;
+ return;
}
-static void fmtstr (char *buffer, size_t *currlen, size_t maxlen,
- char *value, int flags, int min, int max)
+static void
+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, strln;
+ int cnt = 0;
+
+ if (value == 0)
+ value = "<NULL>";
+ for (strln = 0; value[strln]; ++strln)
+ ;
+ padlen = min - strln;
+ if (padlen < 0)
+ padlen = 0;
+ if (flags & DP_F_MINUS)
+ padlen = -padlen;
+
+ while ((padlen > 0) && (cnt < max)) {
+ doapr_outch(sbuffer, buffer, currlen, maxlen, ' ');
+ --padlen;
+ ++cnt;
+ }
+ while (*value && (cnt < max)) {
+ doapr_outch(sbuffer, buffer, currlen, maxlen, *value++);
+ ++cnt;
+ }
+ while ((padlen < 0) && (cnt < max)) {
+ doapr_outch(sbuffer, buffer, currlen, maxlen, ' ');
+ ++padlen;
+ ++cnt;
+ }
}
-/* 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 void
+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 = -value;
+ } else if (flags & DP_F_PLUS)
+ signvalue = '+';
+ else if (flags & DP_F_SPACE)
+ signvalue = ' ';
}
- 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
+ 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)
- {
- 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;
+ /* spaces */
+ while (spadlen > 0) {
+ doapr_outch(sbuffer, buffer, currlen, maxlen, ' ');
+ --spadlen;
}
- }
-
- /* Digits */
- while (place > 0)
- dopr_outch (buffer, currlen, maxlen, convert[--place]);
-
- /* Left Justified spaces */
- while (spadlen < 0) {
- dopr_outch (buffer, currlen, maxlen, ' ');
- ++spadlen;
- }
-}
-static long double abs_val (long double value)
-{
- long double result = value;
+ /* sign */
+ if (signvalue)
+ doapr_outch(sbuffer, buffer, currlen, maxlen, signvalue);
- if (value < 0)
- result = -value;
+ /* prefix */
+ while (*prefix) {
+ doapr_outch(sbuffer, buffer, currlen, maxlen, *prefix);
+ prefix++;
+ }
- return result;
+ /* zeros */
+ if (zpadlen > 0) {
+ while (zpadlen > 0) {
+ doapr_outch(sbuffer, buffer, currlen, maxlen, '0');
+ --zpadlen;
+ }
+ }
+ /* digits */
+ while (place > 0)
+ doapr_outch(sbuffer, buffer, currlen, maxlen, convert[--place]);
+
+ /* left justified spaces */
+ while (spadlen < 0) {
+ doapr_outch(sbuffer, buffer, currlen, maxlen, ' ');
+ ++spadlen;
+ }
+ return;
}
-static long double pow10 (int exp)
+static LDOUBLE
+abs_val(LDOUBLE value)
{
- long double result = 1;
-
- while (exp)
- {
- result *= 10;
- exp--;
- }
-
- return result;
+ LDOUBLE result = value;
+ if (value < 0)
+ result = -value;
+ return result;
}
-static long round (long double value)
+static LDOUBLE
+pow_10(int in_exp)
{
- long intpart;
-
- intpart = value;
- value = value - intpart;
- if (value >= 0.5)
- intpart++;
-
- return intpart;
+ LDOUBLE result = 1;
+ while (in_exp) {
+ result *= 10;
+ in_exp--;
+ }
+ return result;
}
-static void fmtfp (char *buffer, size_t *currlen, size_t maxlen,
- long double fvalue, int min, int max, int flags)
+static long
+roundv(LDOUBLE value)
{
- 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 = ' ';
-
-#if 0
- if (flags & DP_F_UP) caps = 1; /* Should characters be upper case? */
-#endif
-
- intpart = ufvalue;
+ long intpart;
+ intpart = (long) value;
+ value = value - intpart;
+ if (value >= 0.5)
+ intpart++;
+ return intpart;
+}
- /*
- * Sorry, we only support 9 digits past the decimal because of our
- * conversion method
- */
- if (max > 9)
- max = 9;
+static void
+fmtfp(
+ char **sbuffer,
+ char **buffer,
+ size_t *currlen,
+ size_t *maxlen,
+ LDOUBLE fvalue,
+ int min,
+ int max,
+ int flags)
+{
+ int signvalue = 0;
+ LDOUBLE ufvalue;
+ char iconvert[20];
+ char fconvert[20];
+ int iplace = 0;
+ int fplace = 0;
+ int padlen = 0;
+ int zpadlen = 0;
+ int caps = 0;
+ long intpart;
+ long fracpart;
+ long max10;
+
+ if (max < 0)
+ max = 6;
+ ufvalue = abs_val(fvalue);
+ if (fvalue < 0)
+ signvalue = '-';
+ else if (flags & DP_F_PLUS)
+ signvalue = '+';
+ else if (flags & DP_F_SPACE)
+ signvalue = ' ';
+
+ intpart = (long)ufvalue;
+
+ /* sorry, we only support 9 digits past the decimal because of our
+ conversion method */
+ if (max > 9)
+ max = 9;
+
+ /* we "cheat" by converting the fractional part to integer by
+ multiplying by a factor of 10 */
+ max10 = roundv(pow_10(max));
+ fracpart = roundv(pow_10(max) * (ufvalue - intpart));
+
+ if (fracpart >= max10) {
+ intpart++;
+ fracpart -= max10;
+ }
- /* We "cheat" by converting the fractional part to integer by
- * multiplying by a factor of 10
- */
- fracpart = round ((pow10 (max)) * (ufvalue - intpart));
+ /* convert integer part */
+ do {
+ iconvert[iplace++] =
+ (caps ? "0123456789ABCDEF"
+ : "0123456789abcdef")[intpart % 10];
+ intpart = (intpart / 10);
+ } while (intpart && (iplace < (int)sizeof(iconvert)));
+ if (iplace == sizeof iconvert)
+ iplace--;
+ iconvert[iplace] = 0;
+
+ /* convert fractional part */
+ do {
+ fconvert[fplace++] =
+ (caps ? "0123456789ABCDEF"
+ : "0123456789abcdef")[fracpart % 10];
+ fracpart = (fracpart / 10);
+ } while (fplace < max);
+ if (fplace == sizeof fconvert)
+ fplace--;
+ fconvert[fplace] = 0;
+
+ /* -1 for decimal point, another -1 if we are printing a sign */
+ padlen = min - iplace - max - 1 - ((signvalue) ? 1 : 0);
+ zpadlen = max - fplace;
+ if (zpadlen < 0)
+ zpadlen = 0;
+ if (padlen < 0)
+ padlen = 0;
+ if (flags & DP_F_MINUS)
+ padlen = -padlen;
+
+ if ((flags & DP_F_ZERO) && (padlen > 0)) {
+ if (signvalue) {
+ doapr_outch(sbuffer, buffer, currlen, maxlen, signvalue);
+ --padlen;
+ signvalue = 0;
+ }
+ while (padlen > 0) {
+ doapr_outch(sbuffer, buffer, currlen, maxlen, '0');
+ --padlen;
+ }
+ }
+ while (padlen > 0) {
+ doapr_outch(sbuffer, buffer, currlen, maxlen, ' ');
+ --padlen;
+ }
+ if (signvalue)
+ doapr_outch(sbuffer, buffer, currlen, maxlen, signvalue);
- if (fracpart >= pow10 (max))
- {
- intpart++;
- fracpart -= pow10 (max);
- }
+ while (iplace > 0)
+ doapr_outch(sbuffer, buffer, currlen, maxlen, iconvert[--iplace]);
-#ifdef DEBUG_SNPRINTF
- dprint (1, (debugfile, "fmtfp: %f =? %d.%d\n", fvalue, intpart, fracpart));
-#endif
+ /*
+ * Decimal point. This should probably use locale to find the correct
+ * char to print out.
+ */
+ if (max > 0 || (flags & DP_F_NUM)) {
+ doapr_outch(sbuffer, buffer, currlen, maxlen, '.');
- /* 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 (fplace > 0)
+ doapr_outch(sbuffer, buffer, currlen, maxlen, fconvert[--fplace]);
}
- while (padlen > 0)
- {
- dopr_outch (buffer, currlen, maxlen, '0');
- --padlen;
+ while (zpadlen > 0) {
+ doapr_outch(sbuffer, buffer, currlen, maxlen, '0');
+ --zpadlen;
+ }
+
+ while (padlen < 0) {
+ doapr_outch(sbuffer, buffer, currlen, maxlen, ' ');
+ ++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;
- }
}
-static void dopr_outch (char *buffer, size_t *currlen, size_t maxlen, char c)
+static void
+doapr_outch(
+ char **sbuffer,
+ char **buffer,
+ size_t *currlen,
+ size_t *maxlen,
+ int c)
{
- if (*currlen < maxlen)
- buffer[(*currlen)++] = c;
+ /* If we haven't at least one buffer, someone has doe a big booboo */
+ assert(*sbuffer != NULL || buffer != NULL);
+
+ if (buffer) {
+ while (*currlen >= *maxlen) {
+ if (*buffer == NULL) {
+ if (*maxlen == 0)
+ *maxlen = 1024;
+ *buffer = OPENSSL_malloc(*maxlen);
+ if (*currlen > 0) {
+ assert(*sbuffer != NULL);
+ memcpy(*buffer, *sbuffer, *currlen);
+ }
+ *sbuffer = NULL;
+ } else {
+ *maxlen += 1024;
+ *buffer = OPENSSL_realloc(*buffer, *maxlen);
+ }
+ }
+ /* What to do if *buffer is NULL? */
+ assert(*sbuffer != NULL || *buffer != NULL);
+ }
+
+ if (*currlen < *maxlen) {
+ if (*sbuffer)
+ (*sbuffer)[(*currlen)++] = (char)c;
+ else
+ (*buffer)[(*currlen)++] = (char)c;
+ }
+
+ return;
}
+
+/***************************************************************************/
+
+int BIO_printf (BIO *bio, const char *format, ...)
+ {
+ va_list args;
+ int ret;
+
+ va_start(args, format);
+
+ ret = BIO_vprintf(bio, format, args);
+
+ va_end(args);
+ return(ret);
+ }
+
+int BIO_vprintf (BIO *bio, const char *format, va_list args)
+ {
+ int ret;
+ size_t retlen;
+ char hugebuf[1024*2]; /* Was previously 10k, which is unreasonable
+ in small-stack environments, like threads
+ or DOS programs. */
+ char *hugebufp = hugebuf;
+ size_t hugebufsize = sizeof(hugebuf);
+ char *dynbuf = NULL;
+ int ignored;
+
+ dynbuf = NULL;
+ CRYPTO_push_info("doapr()");
+ _dopr(&hugebufp, &dynbuf, &hugebufsize,
+ &retlen, &ignored, format, args);
+ if (dynbuf)
+ {
+ ret=BIO_write(bio, dynbuf, (int)retlen);
+ OPENSSL_free(dynbuf);
+ }
+ else
+ {
+ ret=BIO_write(bio, hugebuf, (int)retlen);
+ }
+ CRYPTO_pop_info();
+ return(ret);
+ }
+
+/* As snprintf is not available everywhere, we provide our own implementation.
+ * This function has nothing to do with BIOs, but it's closely related
+ * to BIO_printf, and we need *some* name prefix ...
+ * (XXX the function should be renamed, but to what?) */
+int BIO_snprintf(char *buf, size_t n, const char *format, ...)
+ {
+ va_list args;
+ int ret;
+
+ va_start(args, format);
+
+ ret = BIO_vsnprintf(buf, n, format, args);
+
+ va_end(args);
+ return(ret);
+ }
+
+int BIO_vsnprintf(char *buf, size_t n, const char *format, va_list args)
+ {
+ size_t retlen;
+ int truncated;
+
+ _dopr(&buf, NULL, &n, &retlen, &truncated, format, args);
+
+ 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;
+ }
projects / openssl.git / blobdiff