different snprintf version.

1 files changed, 575 insertions, 566 deletions

diff --git a/crypto/bio/b_print.c b/crypto/bio/b_print.c
index abecadaeec..9a71441b29 100644
--- a/crypto/bio/b_print.c
+++ b/crypto/bio/b_print.c
@@ -62,11 +62,20 @@
 
 #include <stdio.h>
 #include <stdarg.h>
+#include <string.h>
+#include <ctype.h>
+#include <sys/types.h>
 #include "cryptlib.h"
 #include <openssl/bio.h>
 
-static void dopr (char *buffer, size_t maxlen, const char *format, 
-                  va_list args);
+#ifdef BN_LLONG
+# ifndef HAVE_LONG_LONG
+#  define HAVE_LONG_LONG
+# endif
+#endif
+
+static void dopr (char *buffer, size_t maxlen, size_t *retlen,
+	const char *format, va_list args);
 
 int BIO_printf (BIO *bio, ...)
 	{
@@ -79,10 +88,8 @@ int BIO_printf (BIO *bio, ...)
 	format=va_arg(args, char *);
 
 	hugebuf[0]='\0';
-
-	dopr(hugebuf, sizeof(hugebuf), format, args);
-
-	ret=BIO_write(bio,hugebuf,strlen(hugebuf));
+	dopr(hugebuf, sizeof(hugebuf), &ret, format, args);
+	ret=BIO_write(bio, hugebuf, ret);
 
 	va_end(args);
 	return(ret);
@@ -90,610 +97,612 @@ int BIO_printf (BIO *bio, ...)
 
 /*
  * 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)
  */
 
+#if HAVE_LONG_DOUBLE
+#define LDOUBLE long double
+#else
+#define LDOUBLE double
+#endif
+
+#if HAVE_LONG_LONG
+#define LLONG long long
+#else
+#define LLONG long
+#endif
+
+static void fmtstr     (char *, size_t *, size_t, char *, int, int, int);
+static void fmtint     (char *, size_t *, size_t, LLONG, int, int, int, int);
+static void fmtfp      (char *, size_t *, size_t, LDOUBLE, int, int, int);
+static void dopr_outch (char *, size_t *, size_t, int);
+
 /* format read states */
-#define DP_S_DEFAULT 0
-#define DP_S_FLAGS   1
-#define DP_S_MIN     2
-#define DP_S_DOT     3
-#define DP_S_MAX     4
-#define DP_S_MOD     5
-#define DP_S_CONV    6
-#define DP_S_DONE    7
+#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)
+static void
+dopr(
+    char *buffer,
+    size_t maxlen,
+    size_t *retlen,
+    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') || (currlen >= maxlen))
+            state = DP_S_DONE;
+
+        switch (state) {
+        case DP_S_DEFAULT:
+            if (ch == '%')
+                state = DP_S_FLAGS;
+            else
+                dopr_outch(buffer, &currlen, maxlen, ch);
+            ch = *format++;
+            break;
+        case DP_S_FLAGS:
+            switch (ch) {
+            case '-':
+                flags |= DP_F_MINUS;
+                ch = *format++;
+                break;
+            case '+':
+                flags |= DP_F_PLUS;
+                ch = *format++;
+                break;
+            case ' ':
+                flags |= DP_F_SPACE;
+                ch = *format++;
+                break;
+            case '#':
+                flags |= DP_F_NUM;
+                ch = *format++;
+                break;
+            case '0':
+                flags |= DP_F_ZERO;
+                ch = *format++;
+                break;
+            default:
+                state = DP_S_MIN;
+                break;
+            }
+            break;
+        case DP_S_MIN:
+            if (isdigit((unsigned char)ch)) {
+                min = 10 * min + char_to_int(ch);
+                ch = *format++;
+            } else if (ch == '*') {
+                min = va_arg(args, int);
+                ch = *format++;
+                state = DP_S_DOT;
+            } else
+                state = DP_S_DOT;
+            break;
+        case DP_S_DOT:
+            if (ch == '.') {
+                state = DP_S_MAX;
+                ch = *format++;
+            } else
+                state = DP_S_MOD;
+            break;
+        case DP_S_MAX:
+            if (isdigit((unsigned char)ch)) {
+                if (max < 0)
+                    max = 0;
+                max = 10 * max + char_to_int(ch);
+                ch = *format++;
+            } else if (ch == '*') {
+                max = va_arg(args, int);
+                ch = *format++;
+                state = DP_S_MOD;
+            } else
+                state = DP_S_MOD;
+            break;
+        case DP_S_MOD:
+            switch (ch) {
+            case 'h':
+                cflags = DP_C_SHORT;
+                ch = *format++;
+                break;
+            case 'l':
+                if (*format == 'l') {
+                    cflags = DP_C_LLONG;
+                    format++;
+                } else
+                    cflags = DP_C_LONG;
+                ch = *format++;
+                break;
+            case 'q':
+                cflags = DP_C_LLONG;
+                ch = *format++;
+                break;
+            case 'L':
+                cflags = DP_C_LDOUBLE;
+                ch = *format++;
+                break;
+            default:
+                break;
+            }
+            state = DP_S_CONV;
+            break;
+        case DP_S_CONV:
+            switch (ch) {
+            case 'd':
+            case 'i':
+                switch (cflags) {
+                case DP_C_SHORT:
+                    value = va_arg(args, short int);
+                    break;
+                case DP_C_LONG:
+                    value = va_arg(args, long int);
+                    break;
+                case DP_C_LLONG:
+                    value = va_arg(args, LLONG);
+                    break;
+                default:
+                    value = va_arg(args, int);
+                    break;
+                }
+                fmtint(buffer, &currlen, maxlen, value, 10, min, max, flags);
+                break;
+            case 'X':
+                flags |= DP_F_UP;
+                /* FALLTHROUGH */
+            case 'x':
+            case 'o':
+            case 'u':
+                flags |= DP_F_UNSIGNED;
+                switch (cflags) {
+                case DP_C_SHORT:
+                    value = va_arg(args,
+                        unsigned short int);
+                    break;
+                case DP_C_LONG:
+                    value = (LLONG) va_arg(args,
+                        unsigned long int);
+                    break;
+                case DP_C_LLONG:
+                    value = va_arg(args, unsigned LLONG);
+                    break;
+                default:
+                    value = (LLONG) va_arg(args,
+                        unsigned int);
+                    break;
+                }
+                fmtint(buffer, &currlen, maxlen, value,
+                       ch == 'o' ? 8 : (ch == 'u' ? 10 : 16),
+                       min, max, flags);
+                break;
+            case 'f':
+                if (cflags == DP_C_LDOUBLE)
+                    fvalue = va_arg(args, LDOUBLE);
+                else
+                    fvalue = va_arg(args, double);
+                fmtfp(buffer, &currlen, maxlen, fvalue, min, max, flags);
+                break;
+            case 'E':
+                flags |= DP_F_UP;
+            case 'e':
+                if (cflags == DP_C_LDOUBLE)
+                    fvalue = va_arg(args, LDOUBLE);
+                else
+                    fvalue = va_arg(args, double);
+                break;
+            case 'G':
+                flags |= DP_F_UP;
+            case 'g':
+                if (cflags == DP_C_LDOUBLE)
+                    fvalue = va_arg(args, LDOUBLE);
+                else
+                    fvalue = va_arg(args, double);
+                break;
+            case 'c':
+                dopr_outch(buffer, &currlen, maxlen,
+                    va_arg(args, int));
+                break;
+            case 's':
+                strvalue = va_arg(args, char *);
+                if (max < 0)
+                    max = maxlen;
+                fmtstr(buffer, &currlen, maxlen, strvalue,
+                    flags, min, max);
+                break;
+            case 'p':
+                value = (long)va_arg(args, void *);
+                fmtint(buffer, &currlen, maxlen,
+                    value, 16, min, max, flags);
+                break;
+            case 'n': /* XXX */
+                if (cflags == DP_C_SHORT) {
+                    short int *num;
+                    num = va_arg(args, short int *);
+                    *num = currlen;
+                } else if (cflags == DP_C_LONG) { /* XXX */
+                    long int *num;
+                    num = va_arg(args, long int *);
+                    *num = (long int) currlen;
+                } else if (cflags == DP_C_LLONG) { /* XXX */
+                    LLONG *num;
+                    num = va_arg(args, LLONG *);
+                    *num = (LLONG) currlen;
+                } else {
+                    int    *num;
+                    num = va_arg(args, int *);
+                    *num = currlen;
+                }
+                break;
+            case '%':
+                dopr_outch(buffer, &currlen, maxlen, ch);
+                break;
+            case 'w':
+                /* not supported yet, treat as next char */
+                ch = *format++;
+                break;
+            default:
+                /* unknown, skip */
+                break;
+            }
+            ch = *format++;
+            state = DP_S_DEFAULT;
+            flags = cflags = min = 0;
+            max = -1;
+            break;
+        case DP_S_DONE:
+            break;
+        default:
+            break;
         }
-	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) 
+    if (currlen >= maxlen - 1)
+        currlen = maxlen - 1;
     buffer[currlen] = '\0';
-  else 
-    buffer[maxlen - 1] = '\0';
+    *retlen = currlen;
+    return;
 }
 
-static void fmtstr (char *buffer, size_t *currlen, size_t maxlen,
-		    char *value, int flags, int min, int max)
+static void
+fmtstr(
+    char *buffer,
+    size_t *currlen,
+    size_t maxlen,
+    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)) {
+        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;
+    }
 }
 
-/* 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 *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;
+    unsigned LLONG uvalue;
+    char convert[20];
+    int place = 0;
+    int spadlen = 0;
+    int zpadlen = 0;
+    int caps = 0;
+
+    if (max < 0)
+        max = 0;
+    uvalue = value;
+    if (!(flags & DP_F_UNSIGNED)) {
+        if (value < 0) {
+            signvalue = '-';
+            uvalue = -value;
+        } else if (flags & DP_F_PLUS)
+            signvalue = '+';
+        else if (flags & DP_F_SPACE)
+            signvalue = ' ';
     }
-    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;
+    if (flags & DP_F_UP)
+        caps = 1;
+    do {
+        convert[place++] =
+            (caps ? "0123456789ABCDEF" : "0123456789abcdef")
+            [uvalue % (unsigned) base];
+        uvalue = (uvalue / (unsigned) base);
+    } while (uvalue && (place < 20));
+    if (place == 20)
+        place--;
+    convert[place] = 0;
+
+    zpadlen = max - place;
+    spadlen = min - MAX(max, place) - (signvalue ? 1 : 0);
+    if (zpadlen < 0)
+        zpadlen = 0;
+    if (spadlen < 0)
+        spadlen = 0;
+    if (flags & DP_F_ZERO) {
+        zpadlen = MAX(zpadlen, spadlen);
+        spadlen = 0;
     }
-  }
-
-  /* Digits */
-  while (place > 0) 
-    dopr_outch (buffer, currlen, maxlen, convert[--place]);
-  
-  /* Left Justified spaces */
-  while (spadlen < 0) {
-    dopr_outch (buffer, currlen, maxlen, ' ');
-    ++spadlen;
-  }
-}
+    if (flags & DP_F_MINUS)
+        spadlen = -spadlen;
 
-static long double abs_val (long double value)
-{
-  long double result = value;
+    /* spaces */
+    while (spadlen > 0) {
+        dopr_outch(buffer, currlen, maxlen, ' ');
+        --spadlen;
+    }
 
-  if (value < 0)
-    result = -value;
+    /* sign */
+    if (signvalue)
+        dopr_outch(buffer, currlen, maxlen, signvalue);
 
-  return result;
+    /* zeros */
+    if (zpadlen > 0) {
+        while (zpadlen > 0) {
+            dopr_outch(buffer, currlen, maxlen, '0');
+            --zpadlen;
+        }
+    }
+    /* digits */
+    while (place > 0)
+        dopr_outch(buffer, currlen, maxlen, convert[--place]);
+
+    /* left justified spaces */
+    while (spadlen < 0) {
+        dopr_outch(buffer, currlen, maxlen, ' ');
+        ++spadlen;
+    }
+    return;
 }
 
-static 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
+pow10(int exp)
 {
-  long intpart;
-
-  intpart = value;
-  value = value - intpart;
-  if (value >= 0.5)
-    intpart++;
-
-  return intpart;
+    LDOUBLE result = 1;
+    while (exp) {
+        result *= 10;
+        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
+round(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 *buffer,
+    size_t *currlen,
+    size_t maxlen,
+    LDOUBLE fvalue,
+    int min,
+    int max,
+    int flags)
+{
+    int signvalue = 0;
+    LDOUBLE ufvalue;
+    char iconvert[20];
+    char fconvert[20];
+    int iplace = 0;
+    int fplace = 0;
+    int padlen = 0;
+    int zpadlen = 0;
+    int caps = 0;
+    long intpart;
+    long fracpart;
+
+    if (max < 0)
+        max = 6;
+    ufvalue = abs_val(fvalue);
+    if (fvalue < 0)
+        signvalue = '-';
+    else if (flags & DP_F_PLUS)
+        signvalue = '+';
+    else if (flags & DP_F_SPACE)
+        signvalue = ' ';
+
+    intpart = (long)ufvalue;
+
+    /* sorry, we only support 9 digits past the decimal because of our
+       conversion method */
+    if (max > 9)
+        max = 9;
+
+    /* we "cheat" by converting the fractional part to integer by
+       multiplying by a factor of 10 */
+    fracpart = round((pow10(max)) * (ufvalue - intpart));
+
+    if (fracpart >= pow10(max)) {
+        intpart++;
+        fracpart -= pow10(max);
+    }
 
-  /* 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 < 20));
+    if (iplace == 20)
+        iplace--;
+    iconvert[iplace] = 0;
+
+    /* convert fractional part */
+    do {
+        fconvert[fplace++] =
+            (caps ? "0123456789ABCDEF"
+              : "0123456789abcdef")[fracpart % 10];
+        fracpart = (fracpart / 10);
+    } while (fracpart && (fplace < 20));
+    if (fplace == 20)
+        fplace--;
+    fconvert[fplace] = 0;
+
+    /* -1 for decimal point, another -1 if we are printing a sign */
+    padlen = min - iplace - max - 1 - ((signvalue) ? 1 : 0);
+    zpadlen = max - fplace;
+    if (zpadlen < 0)
+        zpadlen = 0;
+    if (padlen < 0)
+        padlen = 0;
+    if (flags & DP_F_MINUS)
+        padlen = -padlen;
+
+    if ((flags & DP_F_ZERO) && (padlen > 0)) {
+        if (signvalue) {
+            dopr_outch(buffer, currlen, maxlen, signvalue);
+            --padlen;
+            signvalue = 0;
+        }
+        while (padlen > 0) {
+            dopr_outch(buffer, currlen, maxlen, '0');
+            --padlen;
+        }
+    }
+    while (padlen > 0) {
+        dopr_outch(buffer, currlen, maxlen, ' ');
+        --padlen;
+    }
+    if (signvalue)
+        dopr_outch(buffer, currlen, maxlen, signvalue);
 
-  if (fracpart >= pow10 (max))
-  {
-    intpart++;
-    fracpart -= pow10 (max);
-  }
+    while (iplace > 0)
+        dopr_outch(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) {
+        dopr_outch(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)
+            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, '0');
-      --padlen;
+
+    while (padlen < 0) {
+        dopr_outch(buffer, currlen, maxlen, ' ');
+        ++padlen;
     }
-  }
-  while (padlen > 0)
-  {
-    dopr_outch (buffer, currlen, maxlen, ' ');
-    --padlen;
-  }
-  if (signvalue) 
-    dopr_outch (buffer, currlen, maxlen, signvalue);
-
-  while (iplace > 0)