Adding upstream version 5.2.15.upstream/5.2.15upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 2221 insertions, 0 deletions

diff --git a/lib/sh/snprintf.c b/lib/sh/snprintf.c
new file mode 100644
index 0000000..1f0f4c7
--- /dev/null
+++ b/lib/sh/snprintf.c
@@ -0,0 +1,2221 @@
+/* snprintf - formatted output to strings, with bounds checking and allocation */
+
+/*
+ build a test version with
+   gcc -g -DDRIVER -I../.. -I../../include -o test-snprintf snprintf.c fmtu*long.o
+*/
+ 
+/*
+   Unix snprintf implementation.
+   derived from inetutils/libinetutils/snprintf.c Version 1.1
+
+   Copyright (C) 2001-2020 Free Software Foundation, Inc.
+
+   This file is part of GNU Bash, the Bourne Again SHell.
+
+   Bash is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
+
+   Bash is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with Bash.  If not, see <http://www.gnu.org/licenses/>.
+   
+   Original (pre-bash) Revision History:
+
+   1.1:
+      *  added changes from Miles Bader
+      *  corrected a bug with %f
+      *  added support for %#g
+      *  added more comments :-)
+   1.0:
+      *  supporting must ANSI syntaxic_sugars
+   0.0:
+      *  support %s %c %d
+
+ THANKS(for the patches and ideas):
+     Miles Bader
+     Cyrille Rustom
+     Jacek Slabocewiz
+     Mike Parker(mouse)
+
+*/
+
+/*
+ * Currently doesn't handle (and bash/readline doesn't use):
+ *	* *M$ width, precision specifications
+ *	* %N$ numbered argument conversions
+ *	* support for `F' is imperfect with ldfallback(), since underlying
+ *	  printf may not handle it -- should ideally have another autoconf test
+ */
+
+#define FLOATING_POINT
+
+#ifdef HAVE_CONFIG_H
+#  include <config.h>
+#endif
+
+/* GCC 4.2 on Snow Leopard doesn't like the snprintf prototype */
+#if defined(DEBUG) && !defined (MACOSX)
+#  undef HAVE_SNPRINTF
+#  undef HAVE_ASPRINTF
+
+#  define HAVE_SNPRINTF 0
+#  define HAVE_ASPRINTF 0
+#endif
+
+#if defined(DRIVER) && !defined(HAVE_CONFIG_H)
+#define HAVE_LONG_LONG_INT
+#define HAVE_LONG_DOUBLE
+#ifdef __linux__
+#define HAVE_PRINTF_A_FORMAT
+#endif
+#define HAVE_ISINF_IN_LIBC
+#define HAVE_ISNAN_IN_LIBC
+#define PREFER_STDARG
+#define HAVE_STRINGIZE
+#define HAVE_LIMITS_H
+#define HAVE_STDDEF_H
+#define HAVE_LOCALE_H
+#define intmax_t long
+#endif
+
+#if !HAVE_SNPRINTF || !HAVE_ASPRINTF
+
+#include <bashtypes.h>
+
+#if defined(PREFER_STDARG)
+#  include <stdarg.h>
+#else
+#  include <varargs.h>
+#endif
+
+#ifdef HAVE_LIMITS_H
+#  include <limits.h>
+#endif
+#include <bashansi.h>
+#ifdef HAVE_STDDEF_H
+#  include <stddef.h>
+#endif
+#include <chartypes.h>
+
+#ifdef HAVE_STDINT_H
+#  include <stdint.h>
+#endif
+
+#ifdef FLOATING_POINT
+#  include <float.h>	/* for manifest constants */
+#  include <stdio.h>	/* for sprintf */
+#endif
+
+#include <typemax.h>
+
+#ifdef HAVE_LOCALE_H
+#  include <locale.h>
+#endif
+
+#include "stdc.h"
+#include <shmbutil.h>
+
+#ifndef DRIVER
+#  include "shell.h"
+#else
+#  define FL_PREFIX     0x01    /* add 0x, 0X, or 0 prefix as appropriate */
+#  define FL_ADDBASE    0x02    /* add base# prefix to converted value */
+#  define FL_HEXUPPER   0x04    /* use uppercase when converting to hex */
+#  define FL_UNSIGNED   0x08    /* don't add any sign */
+extern char *fmtulong PARAMS((unsigned long int, int, char *, size_t, int));
+extern char *fmtullong PARAMS((unsigned long long int, int, char *, size_t, int));
+#endif
+
+#ifndef FREE
+#  define FREE(x)	if (x) free (x)
+#endif
+
+/* Bound on length of the string representing an integer value of type T.
+   Subtract one for the sign bit if T is signed;
+   302 / 1000 is log10 (2) rounded up;
+   add one for integer division truncation;
+   add one more for a minus sign if t is signed.  */
+#ifndef INT_STRLEN_BOUND
+#define INT_STRLEN_BOUND(t) \
+  ((sizeof (t) * CHAR_BIT - TYPE_SIGNED (t)) * 302 / 1000 \
+     + 1 + TYPE_SIGNED (t))
+#endif
+
+/* conversion flags */
+#define PF_ALTFORM	0x00001		/* # */
+#define PF_HEXPREFIX	0x00002		/* 0[Xx] */
+#define PF_LADJUST	0x00004		/* - */
+#define PF_ZEROPAD	0x00008		/* 0 */
+#define PF_PLUS		0x00010		/* + */
+#define PF_SPACE	0x00020		/* ' ' */
+#define PF_THOUSANDS	0x00040		/* ' */
+
+#define PF_DOT		0x00080		/* `.precision' */
+#define PF_STAR_P	0x00100		/* `*' after precision */
+#define PF_STAR_W	0x00200		/* `*' before or without precision */
+
+/* length modifiers */
+#define PF_SIGNEDCHAR	0x00400		/* hh */
+#define PF_SHORTINT	0x00800		/* h */
+#define PF_LONGINT	0x01000		/* l */
+#define PF_LONGLONG	0x02000		/* ll */
+#define PF_LONGDBL	0x04000		/* L */
+#define PF_INTMAX_T	0x08000		/* j */
+#define PF_SIZE_T	0x10000		/* z */
+#define PF_PTRDIFF_T	0x20000		/* t */
+
+#define PF_ALLOCBUF	0x40000		/* for asprintf, vasprintf */
+
+#define PFM_SN		0x01		/* snprintf, vsnprintf */
+#define PFM_AS		0x02		/* asprintf, vasprintf */
+
+#define ASBUFSIZE	128
+
+#define x_digs	"0123456789abcdef"
+#define X_digs	"0123456789ABCDEF"
+
+static char intbuf[INT_STRLEN_BOUND(unsigned long) + 1];
+
+static int decpoint;
+static int thoussep;
+static char *grouping;
+
+/* 
+ * For the FLOATING POINT FORMAT :
+ *  the challenge was finding a way to
+ *  manipulate the Real numbers without having
+ *  to resort to mathematical function(it
+ *  would require to link with -lm) and not
+ *  going down to the bit pattern(not portable)
+ *
+ *  so a number, a real is:
+
+      real = integral + fraction
+
+      integral = ... + a(2)*10^2 + a(1)*10^1 + a(0)*10^0
+      fraction = b(1)*10^-1 + b(2)*10^-2 + ...
+
+      where:
+       0 <= a(i) => 9 
+       0 <= b(i) => 9 
+ 
+    from then it was simple math
+ */
+
+/*
+ * size of the buffer for the integral part
+ * and the fraction part 
+ */
+#define MAX_INT  99 + 1 /* 1 for the null */
+#define MAX_FRACT 307 + 1
+
+/* 
+ * These functions use static buffers to store the results,
+ * and so are not reentrant
+ */
+#define itoa(n) fmtulong(n, 10, intbuf, sizeof(intbuf), 0);
+#define dtoa(n, p, f) numtoa(n, 10, p, f)
+
+#define SWAP_INT(a,b) {int t; t = (a); (a) = (b); (b) = t;}
+
+#define GETARG(type)	(va_arg(args, type))
+
+/* Macros that do proper sign extension and handle length modifiers.  Used
+   for the integer conversion specifiers. */
+#define GETSIGNED(p) \
+  (((p)->flags & PF_LONGINT) \
+	? GETARG (long) \
+  	: (((p)->flags & PF_SHORTINT) ? (long)(short)GETARG (int) \
+				      : (long)GETARG (int)))
+
+#define GETUNSIGNED(p) \
+  (((p)->flags & PF_LONGINT) \
+	? GETARG (unsigned long) \
+	: (((p)->flags & PF_SHORTINT) ? (unsigned long)(unsigned short)GETARG (int) \
+				      : (unsigned long)GETARG (unsigned int)))
+
+
+#ifdef HAVE_LONG_DOUBLE
+#define GETLDOUBLE(p) GETARG (long double)
+#endif
+#define GETDOUBLE(p) GETARG (double)
+
+#define SET_SIZE_FLAGS(p, type) \
+  if (sizeof (type) > sizeof (int)) \
+    (p)->flags |= PF_LONGINT; \
+  if (sizeof (type) > sizeof (long)) \
+    (p)->flags |= PF_LONGLONG;
+
+/* this struct holds everything we need */
+struct DATA
+{
+  int length;
+  char *base;		/* needed for [v]asprintf */
+  char *holder;
+  int counter;
+  const char *pf;
+
+/* FLAGS */
+  int flags;
+  int justify;
+  int width, precision;
+  char pad;
+};
+
+/* the floating point stuff */
+#ifdef FLOATING_POINT
+static double pow_10 PARAMS((int));
+static int log_10 PARAMS((double));
+static double integral PARAMS((double, double *));
+static char *numtoa PARAMS((double, int, int, char **));
+#endif
+
+static void init_data PARAMS((struct DATA *, char *, size_t, const char *, int));
+static void init_conv_flag PARAMS((struct DATA *));
+
+/* for the format */
+#ifdef FLOATING_POINT
+static void floating PARAMS((struct DATA *, double));
+static void exponent PARAMS((struct DATA *, double));
+#endif
+static void number PARAMS((struct DATA *, unsigned long, int));
+#ifdef HAVE_LONG_LONG_INT
+static void lnumber PARAMS((struct DATA *, unsigned long long, int));
+#endif
+static void pointer PARAMS((struct DATA *, unsigned long));
+static void strings PARAMS((struct DATA *, char *));
+
+#ifdef FLOATING_POINT
+#  define FALLBACK_FMTSIZE	32
+#  define FALLBACK_BASE		4096
+#  define LFALLBACK_BASE	5120
+#  ifdef HAVE_LONG_DOUBLE
+static void ldfallback PARAMS((struct DATA *, const char *, const char *, long double));
+#  endif
+static void dfallback PARAMS((struct DATA *, const char *, const char *, double));
+#endif
+
+static char *groupnum PARAMS((char *));
+
+#if defined (HAVE_LONG_DOUBLE)
+#  define LONGDOUBLE long double
+#else
+#  define LONGDOUBLE double
+#endif
+
+#ifndef isnan
+  static inline int isnan_f  (float       x) { return x != x; }
+  static inline int isnan_d  (double      x) { return x != x; }
+  static inline int isnan_ld (LONGDOUBLE  x) { return x != x; }
+  # define isnan(x) \
+      (sizeof (x) == sizeof (LONGDOUBLE) ? isnan_ld (x) \
+       : sizeof (x) == sizeof (double) ? isnan_d (x) \
+       : isnan_f (x))
+#endif
+  
+#ifndef isinf
+  static inline int isinf_f  (float       x) { return !isnan (x) && isnan (x - x); }
+  static inline int isinf_d  (double      x) { return !isnan (x) && isnan (x - x); }
+  static inline int isinf_ld (LONGDOUBLE  x) { return !isnan (x) && isnan (x - x); }
+  # define isinf(x) \
+      (sizeof (x) == sizeof (LONGDOUBLE) ? isinf_ld (x) \
+       : sizeof (x) == sizeof (double) ? isinf_d (x) \
+       : isinf_f (x))
+#endif
+
+#ifdef DRIVER
+static void memory_error_and_abort ();
+static void *xmalloc PARAMS((size_t));
+static void *xrealloc PARAMS((void *, size_t));
+static void xfree PARAMS((void *));
+#else
+#  include <xmalloc.h>
+#endif
+
+/* those are defines specific to snprintf to hopefully
+ * make the code clearer :-)
+ */
+#define RIGHT 1
+#define LEFT  0
+#define NOT_FOUND -1
+#define FOUND 1
+#define MAX_FIELD 15
+
+/* round off to the precision */
+#define ROUND(d, p) \
+	    (d < 0.) ? \
+	     d - pow_10(-(p)->precision) * 0.5 : \
+	     d + pow_10(-(p)->precision) * 0.5
+
+/* set default precision */
+#define DEF_PREC(p) \
+	    if ((p)->precision == NOT_FOUND) \
+	      (p)->precision = 6
+
+/* put a char.  increment the number of chars written even if we've exceeded
+   the vsnprintf/snprintf buffer size (for the return value) */
+#define PUT_CHAR(c, p) \
+	do \
+	  { \
+	    if (((p)->flags & PF_ALLOCBUF) && ((p)->counter >= (p)->length - 1)) \
+	      { \
+		(p)->length += ASBUFSIZE; \
+		(p)->base = (char *)xrealloc((p)->base, (p)->length); \
+		(p)->holder = (p)->base + (p)->counter; /* in case reallocated */ \
+	      } \
+	    if ((p)->counter < (p)->length) \
+	      *(p)->holder++ = (c); \
+	    (p)->counter++; \
+	  } \
+	while (0)
+
+/* Output a string.  P->WIDTH has already been adjusted for padding. */
+#define PUT_STRING(string, len, p) \
+	do \
+	  { \
+	    PAD_RIGHT (p); \
+	    while ((len)-- > 0) \
+	      { \
+		PUT_CHAR (*(string), (p)); \
+		(string)++; \
+	      } \
+	    PAD_LEFT (p); \
+	  } \
+	while (0)
+
+#define PUT_PLUS(d, p, zero) \
+	    if (((p)->flags & PF_PLUS) && (d) > zero) \
+	      PUT_CHAR('+', p)
+
+#define PUT_SPACE(d, p, zero) \
+	    if (((p)->flags & PF_SPACE) && (d) > zero) \
+	      PUT_CHAR(' ', p)
+
+/* pad right */ 
+#define PAD_RIGHT(p) \
+	    if ((p)->width > 0 && (p)->justify != LEFT) \
+	      for (; (p)->width > 0; (p)->width--) \
+		 PUT_CHAR((p)->pad, p)
+
+/* pad left */
+#define PAD_LEFT(p) \
+	    if ((p)->width > 0 && (p)->justify == LEFT) \
+	      for (; (p)->width > 0; (p)->width--) \
+		 PUT_CHAR((p)->pad, p)
+
+/* pad with zeros from decimal precision */
+#define PAD_ZERO(p) \
+	if ((p)->precision > 0) \
+	  for (; (p)->precision > 0; (p)->precision--) \
+	    PUT_CHAR('0', p)
+
+/* if width and prec. in the args */
+#define STAR_ARGS(p) \
+	do { \
+	    if ((p)->flags & PF_STAR_W) \
+	      { \
+		(p)->width = GETARG (int); \
+		if ((p)->width < 0) \
+		  { \
+		    (p)->flags |= PF_LADJUST; \
+		    (p)->justify = LEFT; \
+		    (p)->width = -(p)->width; \
+		  } \
+	      } \
+	    if ((p)->flags & PF_STAR_P) \
+	      { \
+		(p)->precision = GETARG (int); \
+		if ((p)->precision < 0) \
+		  { \
+		    (p)->flags &= ~PF_STAR_P; \
+		    (p)->precision = NOT_FOUND; \
+		  } \
+	      } \
+	} while (0)
+
+#if defined (HAVE_LOCALE_H) && defined (HAVE_LOCALECONV)
+#  define GETLOCALEDATA(d, t, g) \
+      do \
+	{ \
+	  struct lconv *lv; \
+	  if ((d) == 0) { \
+	  (d) = '.'; (t) = -1; (g) = 0; /* defaults */ \
+	  lv = localeconv(); \
+	  if (lv) \
+	    { \
+	      if (lv->decimal_point && lv->decimal_point[0]) \
+		(d) = lv->decimal_point[0]; \
+	      if (lv->thousands_sep && lv->thousands_sep[0]) \
+		(t) = lv->thousands_sep[0]; \
+	      (g) = lv->grouping ? lv->grouping : ""; \
+	      if (*(g) == '\0' || *(g) == CHAR_MAX || (t) == -1) (g) = 0; \
+	    } \
+	  } \
+	} \
+      while (0);
+#else
+#  define GETLOCALEDATA(d, t, g) \
+      ( (d) = '.', (t) = ',', g = "\003" )
+#endif
+
+#ifdef FLOATING_POINT
+/*
+ * Find the nth power of 10
+ */
+static double
+pow_10(n)
+     int n;
+{ 
+  double P;
+
+  /* handle common cases with fast switch statement. */
+  switch (n)
+    {
+    case -3:	return .001;
+    case -2:	return .01;
+    case -1:	return .1;
+    case 0:	return 1.;
+    case 1:	return 10.;
+    case 2:	return 100.;
+    case 3:	return 1000.;
+    }
+
+  if (n < 0)
+    {
+      P = .0001;
+      for (n += 4; n < 0; n++)
+	P /= 10.;
+    }
+  else
+    {
+      P = 10000.;
+      for (n -= 4; n > 0; n--)
+	P *= 10.;
+    }
+
+  return P;
+}
+
+/*
+ * Find the integral part of the log in base 10 
+ * Note: this not a real log10()
+	 I just need and approximation(integerpart) of x in:
+	  10^x ~= r
+ * log_10(200) = 2;
+ * log_10(250) = 2;
+ *
+ * NOTE: do not call this with r == 0 -- an infinite loop results.
+ */
+static int
+log_10(r)
+     double r;
+{ 
+  int i = 0;
+  double result = 1.;
+
+  if (r < 0.)
+    r = -r;
+
+  if (r < 1.)
+    {
+      while (result >= r)
+	{
+	  result /= 10.;
+	  i++;
+	}
+      return (-i);
+    }
+  else
+    {
+      while (result <= r)
+	{
+	  result *= 10.;
+	  i++;
+	}
+      return (i - 1);
+    }
+}
+
+/*
+ * This function return the fraction part of a double
+ * and set in ip the integral part.
+ * In many ways it resemble the modf() found on most Un*x
+ */
+static double
+integral(real, ip)
+     double real;
+     double *ip;
+{ 
+  int j;
+  double i, s, p;
+  double real_integral = 0.;
+
+  /* take care of the obvious */
+  /* equal to zero ? */
+  if (real == 0.)
+    {
+      *ip = 0.;
+      return (0.);
+    }
+
+  /* negative number ? */
+  if (real < 0.)
+    real = -real;
+
+  /* a fraction ? */
+  if ( real < 1.)
+    {
+      *ip = 0.;
+      return real;
+    }
+
+  /* the real work :-) */
+  for (j = log_10(real); j >= 0; j--)
+    {
+      p = pow_10(j);
+      s = (real - real_integral)/p;
+      i = 0.;
+      while (i + 1. <= s)
+	i++;
+      real_integral += i*p;
+    }
+  *ip = real_integral;
+  return (real - real_integral);
+}
+
+#define PRECISION 1.e-6
+/* 
+ * return an ascii representation of the integral part of the number
+ * and set fract to be an ascii representation of the fraction part
+ * the container for the fraction and the integral part or statically
+ * declare with fix size 
+ */
+static char *
+numtoa(number, base, precision, fract)
+     double number;
+     int base, precision;
+     char **fract;
+{
+  register int i, j;
+  double ip, fp; /* integer and fraction part */
+  double fraction;
+  int digits, sign;
+  static char integral_part[MAX_INT];
+  static char fraction_part[MAX_FRACT];
+  int ch;
+
+  /* taking care of the obvious case: 0.0 */
+  if (number == 0.)
+    { 
+      integral_part[0] = '0';
+      integral_part[1] = '\0';
+      /* The fractional part has to take the precision into account */
+      for (ch = 0; ch < precision-1; ch++)
+ 	fraction_part[ch] = '0';
+      fraction_part[ch] = '0';
+      fraction_part[ch+1] = '\0';
+      if (fract)
+	*fract = fraction_part;
+      return integral_part;
+    }
+
+  /* -0 is tricky */
+  sign = (number == -0.) ? '-' : ((number < 0.) ? '-' : '+');
+  digits = MAX_INT - 1;
+
+  /* for negative numbers */
+  if (sign == '-')
+    {
+      number = -number;
+      digits--; /* sign consume one digit */
+    }
+
+  fraction = integral(number, &ip);
+  number = ip;
+
+  /* do the integral part */
+  if (ip == 0.)
+    {
+      integral_part[0] = '0';
+      i = 1;
+    }
+  else
+    {
+      for ( i = 0; i < digits && number != 0.; ++i)
+	{
+	  number /= base;
+	  fp = integral(number, &ip);
+	  ch = (int)((fp + PRECISION)*base); /* force to round */
+	  integral_part[i] = (ch <= 9) ? ch + '0' : ch + 'a' - 10;
+	  if (! ISXDIGIT((unsigned char)integral_part[i]))
+	    break;	/* bail out overflow !! */
+	  number = ip;
+	 }
+    }
+     
+  /* Oh No !! out of bound, ho well fill it up ! */
+  if (number != 0.)
+    for (i = 0; i < digits; ++i)
+      integral_part[i] = '9';
+
+  /* put the sign ? */
+  if (sign == '-')
+    integral_part[i++] = '-';
+
+  integral_part[i] = '\0';
+
+  /* reverse every thing */
+  for ( i--, j = 0; j < i; j++, i--)
+    SWAP_INT(integral_part[i], integral_part[j]);  
+
+  /* the fractional part */
+  for (i=0, fp=fraction; precision > 0 && i < MAX_FRACT ; i++, precision--)
+    {
+      fraction_part[i] = (int)((fp + PRECISION)*10. + '0');
+      if (! DIGIT(fraction_part[i])) /* underflow ? */
+	break;
+      fp = (fp*10.0) - (double)(long)((fp + PRECISION)*10.);
+    }
+  fraction_part[i] = '\0';
+
+  if (fract != (char **)0)
+    *fract = fraction_part;
+
+  return integral_part;
+}
+#endif
+
+/* for %d and friends, it puts in holder
+ * the representation with the right padding
+ */
+static void
+number(p, d, base)
+     struct DATA *p;
+     unsigned long d;
+     int base;
+{
+  char *tmp, *t;
+  long sd;
+  int flags;
+
+  /* An explicit precision turns off the zero-padding flag and sets the
+     pad character back to space. */
+  if ((p->flags & PF_ZEROPAD) && p->precision >= 0 && (p->flags & PF_DOT))
+    {
+      p->flags &= ~PF_ZEROPAD;
+      p->pad = ' ';
+    }
+
+  sd = d;	/* signed for ' ' padding in base 10 */
+  flags = 0;
+  flags = (*p->pf == 'x' || *p->pf == 'X' || *p->pf == 'o' || *p->pf == 'u' || *p->pf == 'U') ? FL_UNSIGNED : 0;
+  if (*p->pf == 'X')
+    flags |= FL_HEXUPPER;
+
+  tmp = fmtulong (d, base, intbuf, sizeof(intbuf), flags);
+  t = 0;
+  if ((p->flags & PF_THOUSANDS))
+    {
+      GETLOCALEDATA(decpoint, thoussep, grouping);
+      if (grouping && (t = groupnum (tmp)))
+	tmp = t;
+    }
+
+  /* need to add one for any `+', but we only add one in base 10 */
+  p->width -= strlen(tmp) + (base == 10 && d > 0 && (p->flags & PF_PLUS));
+  PAD_RIGHT(p);
+
+  if ((p->flags & PF_DOT) && p->precision > 0)
+    {
+      p->precision -= strlen(tmp);
+      PAD_ZERO(p);
+    }
+
+  switch (base)
+    {
+    case 10:
+      PUT_PLUS(sd, p, 0);
+      PUT_SPACE(sd, p, 0);
+      break;
+    case 8:
+      if (p->flags & PF_ALTFORM)
+	PUT_CHAR('0', p);
+      break;
+    case 16:
+      if (p->flags & PF_ALTFORM)
+	{
+	  PUT_CHAR('0', p);
+	  PUT_CHAR(*p->pf, p);
+	}
+      break;
+    }
+
+  while (*tmp)
+    {
+      PUT_CHAR(*tmp, p);
+      tmp++;
+    }
+
+  PAD_LEFT(p);
+  FREE (t);
+}
+
+#ifdef HAVE_LONG_LONG_INT
+/*
+ * identical to number() but works for `long long'
+ */
+static void
+lnumber(p, d, base)
+     struct DATA *p;
+     unsigned long long d;
+     int base;
+{
+  char *tmp, *t;
+  long long sd;
+  int flags;
+
+  /* An explicit precision turns off the zero-padding flag and sets the
+     pad character back to space. */
+  if ((p->flags & PF_ZEROPAD) && p->precision >= 0 && (p->flags & PF_DOT))
+    {
+      p->flags &= ~PF_ZEROPAD;
+      p->pad = ' ';
+    }
+
+  sd = d;	/* signed for ' ' padding in base 10 */
+  flags = (*p->pf == 'x' || *p->pf == 'X' || *p->pf == 'o' || *p->pf == 'u' || *p->pf == 'U') ? FL_UNSIGNED : 0;
+  if (*p->pf == 'X')
+    flags |= FL_HEXUPPER;
+
+  tmp = fmtullong (d, base, intbuf, sizeof(intbuf), flags);
+  t = 0;
+  if ((p->flags & PF_THOUSANDS))
+    {
+      GETLOCALEDATA(decpoint, thoussep, grouping);
+      if (grouping && (t = groupnum (tmp)))
+	tmp = t;
+    }
+
+  /* need to add one for any `+', but we only add one in base 10 */
+  p->width -= strlen(tmp) + (base == 10 && d > 0 && (p->flags & PF_PLUS));
+  PAD_RIGHT(p);
+
+  if ((p->flags & PF_DOT) && p->precision > 0)
+    {
+      p->precision -= strlen(tmp);
+      PAD_ZERO(p);
+    }
+
+  switch (base)
+    {
+    case 10:
+      PUT_PLUS(sd, p, 0);
+      PUT_SPACE(sd, p, 0);
+      break;
+    case 8:
+      if (p->flags & PF_ALTFORM)
+	PUT_CHAR('0', p);
+      break;
+    case 16:
+      if (p->flags & PF_ALTFORM)
+	{
+	  PUT_CHAR('0', p);
+	  PUT_CHAR(*p->pf, p);
+	}
+      break;
+    }
+
+  while (*tmp)
+    {
+      PUT_CHAR(*tmp, p);
+      tmp++;
+    }
+
+  PAD_LEFT(p);
+  FREE (t);
+}
+#endif
+
+static void
+pointer(p, d)
+     struct DATA *p;
+     unsigned long d;
+{
+  char *tmp;
+
+  tmp = fmtulong(d, 16, intbuf, sizeof(intbuf), 0);
+  p->width -= strlen(tmp);
+  PAD_RIGHT(p);
+
+  /* prefix '0x' for pointers */
+  PUT_CHAR('0', p);
+  PUT_CHAR('x', p);
+
+  while (*tmp)
+    {
+      PUT_CHAR(*tmp, p);
+      tmp++;
+    }
+
+  PAD_LEFT(p);
+}
+
+/* %s strings */
+static void
+strings(p, tmp)
+     struct DATA *p;
+     char *tmp;
+{
+  size_t len;
+
+  len = strlen(tmp);
+  if (p->precision != NOT_FOUND) /* the smallest number */
+    len = (len < p->precision ? len : p->precision);
+  p->width -= len;
+
+  PUT_STRING (tmp, len, p);
+}
+
+#if HANDLE_MULTIBYTE
+/* %ls wide-character strings */
+static void
+wstrings(p, tmp)
+     struct DATA *p;
+     wchar_t *tmp;
+{
+  size_t len;
+  mbstate_t mbs;
+  char *os;
+  const wchar_t *ws;
+
+  memset (&mbs, '\0', sizeof (mbstate_t));
+  ws = (const wchar_t *)tmp;
+
+  os = (char *)NULL;
+  if (p->precision != NOT_FOUND)
+    {
+      os = (char *)xmalloc (p->precision + 1);
+      len = wcsrtombs (os, &ws, p->precision, &mbs);
+    }
+  else
+    {
+      len = wcsrtombs (NULL, &ws, 0, &mbs);
+      if (len != (size_t)-1)
+	{
+	  memset (&mbs, '\0', sizeof (mbstate_t));
+	  os = (char *)xmalloc (len + 1);
+	  (void)wcsrtombs (os, &ws, len + 1, &mbs);
+	}
+    }
+  if (len == (size_t)-1)
+    {
+      /* invalid multibyte sequence; bail now. */
+      FREE (os);      
+      return;
+    }
+
+  p->width -= len;
+  PUT_STRING (os, len, p);
+  free (os);
+}
+
+static void
+wchars (p, wc)
+     struct DATA *p;
+     wint_t wc;
+{
+  char *lbuf, *l;
+  mbstate_t mbs;
+  size_t len;
+
+  lbuf = (char *)malloc (MB_CUR_MAX+1);
+  if (lbuf == 0)
+    return;
+  memset (&mbs, '\0', sizeof (mbstate_t));
+  len = wcrtomb (lbuf, wc, &mbs);
+  if (len == (size_t)-1)
+    /* conversion failed; bail now. */
+    return;
+  p->width -= len;
+  l = lbuf;
+  PUT_STRING (l, len, p);
+  free (lbuf);
+}
+#endif /* HANDLE_MULTIBYTE */
+
+#ifdef FLOATING_POINT
+
+/* Check for [+-]infinity and NaN.  If MODE == 1, we check for Infinity, else
+   (mode == 2) we check for NaN.  This does the necessary printing.  Returns
+   1 if Inf or Nan, 0 if not. */
+static int
+chkinfnan(p, d, mode)
+     struct DATA *p;
+     double d;
+     int mode;		/* == 1 for inf, == 2 for nan */
+{
+  int i;
+  char *tmp;
+  char *big, *small;
+
+  i = (mode == 1) ? isinf(d) : isnan(d);
+  if (i == 0)
+    return 0;
+  big = (mode == 1) ? "INF" : "NAN";
+  small = (mode == 1) ? "inf" : "nan";
+
+  tmp = (*p->pf == 'F' || *p->pf == 'G' || *p->pf == 'E') ? big : small;
+
+  if (i < 0)
+    PUT_CHAR('-', p);
+
+  while (*tmp)
+    {
+      PUT_CHAR (*tmp, p);
+      tmp++;
+    }
+
+  return 1;
+}
+
+/* %f %F %g %G floating point representation */
+static void
+floating(p, d)
+     struct DATA *p;
+     double d;
+{
+  char *tmp, *tmp2, *t;
+  int i;
+
+  if (d != 0 && (chkinfnan(p, d, 1) || chkinfnan(p, d, 2)))
+    return;	/* already printed nan or inf */
+
+  GETLOCALEDATA(decpoint, thoussep, grouping);
+  DEF_PREC(p);
+  d = ROUND(d, p);
+  tmp = dtoa(d, p->precision, &tmp2);
+  t = 0;
+  if ((p->flags & PF_THOUSANDS) && grouping && (t = groupnum (tmp)))
+    tmp = t;
+
+  if ((*p->pf == 'g' || *p->pf == 'G') && (p->flags & PF_ALTFORM) == 0)
+    {
+      /* smash the trailing zeros unless altform */
+      for (i = strlen(tmp2) - 1; i >= 0 && tmp2[i] == '0'; i--)
+	tmp2[i] = '\0'; 
+      if (tmp2[0] == '\0')
+	p->precision = 0;
+    }
+
+  /* calculate the padding. 1 for the dot */
+  p->width = p->width -
+  	    /* XXX - should this be d>0. && (p->flags & PF_PLUS) ? */
+#if 0
+	    ((d > 0. && p->justify == RIGHT) ? 1:0) -
+#else
+	    ((d > 0. && (p->flags & PF_PLUS)) ? 1:0) -
+#endif
+	    ((p->flags & PF_SPACE) ? 1:0) -
+	    strlen(tmp) - p->precision -
+	    ((p->precision != 0 || (p->flags & PF_ALTFORM)) ? 1 : 0);	/* radix char */
+
+  if (p->pad == ' ')
+    {
+      PAD_RIGHT(p);
+      PUT_PLUS(d, p, 0.);
+    }
+  else
+    {
+      if (*tmp == '-')
+	PUT_CHAR(*tmp++, p);
+      PUT_PLUS(d, p, 0.);
+      PAD_RIGHT(p);
+    }
+  PUT_SPACE(d, p, 0.);
+
+  while (*tmp)
+    {
+      PUT_CHAR(*tmp, p);	/* the integral */
+      tmp++;
+    }
+  FREE (t);
+
+  if (p->precision != 0 || (p->flags & PF_ALTFORM))
+    PUT_CHAR(decpoint, p);  /* put the '.' */
+
+  for (; *tmp2; tmp2++)
+    PUT_CHAR(*tmp2, p); /* the fraction */
+  
+  PAD_LEFT(p);
+} 
+
+/* %e %E %g %G exponent representation */
+static void
+exponent(p, d)
+     struct DATA *p;
+     double d;
+{
+  char *tmp, *tmp2;
+  int j, i;
+
+  if (d != 0 && (chkinfnan(p, d, 1) || chkinfnan(p, d, 2)))
+    return;	/* already printed nan or inf */
+
+  GETLOCALEDATA(decpoint, thoussep, grouping);
+  DEF_PREC(p);
+  if (d == 0.)
+    j = 0;
+  else
+    {
+      j = log_10(d);
+      d = d / pow_10(j);  /* get the Mantissa */
+      d = ROUND(d, p);		  
+    }
+  tmp = dtoa(d, p->precision, &tmp2);
+
+  /* 1 for unit, 1 for the '.', 1 for 'e|E',
+   * 1 for '+|-', 2 for 'exp'  (but no `.' if precision == 0 */
+  /* calculate how much padding need */
+  p->width = p->width - 
+  	    /* XXX - should this be d>0. && (p->flags & PF_PLUS) ? */
+#if 0
+	     ((d > 0. && p->justify == RIGHT) ? 1:0) -
+#else
+	     ((d > 0. && (p->flags & PF_PLUS)) ? 1:0) -
+#endif
+	     (p->precision != 0 || (p->flags & PF_ALTFORM)) -
+	     ((p->flags & PF_SPACE) ? 1:0) - p->precision - 5;
+
+  if (p->pad == ' ')
+    {
+      PAD_RIGHT(p);
+      PUT_PLUS(d, p, 0.);
+    }
+  else
+    {
+      if (*tmp == '-')
+	PUT_CHAR(*tmp++, p);
+      PUT_PLUS(d, p, 0.);
+      PAD_RIGHT(p);
+    }
+  PUT_SPACE(d, p, 0.);
+
+  while (*tmp)
+    {
+      PUT_CHAR(*tmp, p);
+      tmp++;
+    }
+
+  if (p->precision != 0 || (p->flags & PF_ALTFORM))
+      PUT_CHAR(decpoint, p);  /* the '.' */
+
+  if ((*p->pf == 'g' || *p->pf == 'G') && (p->flags & PF_ALTFORM) == 0)
+    /* smash the trailing zeros unless altform */
+    for (i = strlen(tmp2) - 1; i >= 0 && tmp2[i] == '0'; i--)
+      tmp2[i] = '\0'; 
+
+  for (; *tmp2; tmp2++)
+    PUT_CHAR(*tmp2, p); /* the fraction */
+
+  /* the exponent put the 'e|E' */
+  if (*p->pf == 'g' || *p->pf == 'e')
+    PUT_CHAR('e', p);
+  else
+    PUT_CHAR('E', p);
+
+  /* the sign of the exp */
+  if (j >= 0)
+    PUT_CHAR('+', p);
+  else
+    {
+      PUT_CHAR('-', p);
+      j = -j;
+    }
+
+   tmp = itoa(j);
+   /* pad out to at least two spaces.  pad with `0' if the exponent is a
+      single digit. */
+   if (j <= 9)
+     PUT_CHAR('0', p);
+
+   /* the exponent */
+   while (*tmp)
+     {
+       PUT_CHAR(*tmp, p);
+       tmp++;
+     }
+
+   PAD_LEFT(p);
+}
+#endif
+
+/* Return a new string with the digits in S grouped according to the locale's
+   grouping info and thousands separator.  If no grouping should be performed,
+   this returns NULL; the caller needs to check for it. */
+static char *
+groupnum (s)
+     char *s;
+{
+  char *se, *ret, *re, *g;
+  int len, slen;
+
+  if (grouping == 0 || *grouping <= 0 || *grouping == CHAR_MAX)
+    return ((char *)NULL);
+
+  /* find min grouping to size returned string */
+  for (len = *grouping, g = grouping; *g; g++)
+      if (*g > 0 && *g < len)
+	len = *g;
+
+  slen = strlen (s);
+  len = slen / len + 1;
+  ret = (char *)xmalloc (slen + len + 1);
+  re = ret + slen + len;
+  *re = '\0';
+
+  g = grouping;
+  se = s + slen;
+  len = *g;
+
+  while (se > s)
+    {
+      *--re = *--se;
+
+      /* handle `-' inserted by numtoa() and the fmtu* family here. */
+      if (se > s && se[-1] == '-')
+	continue;
+
+      /* begin new group. */
+      if (--len == 0 && se > s)
+	{
+	  *--re = thoussep;
+	  len = *++g;		/* was g++, but that uses first char twice (glibc bug, too) */
+	  if (*g == '\0')
+	    len = *--g;		/* use previous grouping */
+	  else if (*g == CHAR_MAX)
+	    {
+	      do
+		*--re = *--se;
+	      while (se > s);
+	      break;
+	    }
+	}
+    }
+
+  if (re > ret)
+#ifdef HAVE_MEMMOVE
+    memmove (ret, re, strlen (re) + 1);
+#else
+    strcpy (ret, re);
+#endif
+   
+  return ret;
+}
+
+/* initialize the conversion specifiers */
+static void
+init_conv_flag (p)
+     struct DATA *p;
+{
+  p->flags &= PF_ALLOCBUF;		/* preserve PF_ALLOCBUF flag */
+  p->precision = p->width = NOT_FOUND;
+  p->justify = NOT_FOUND;
+  p->pad = ' ';
+}
+
+static void
+init_data (p, string, length, format, mode)
+     struct DATA *p;
+     char *string;
+     size_t length;
+     const char *format;
+     int mode;
+{
+  p->length = length - 1; /* leave room for '\0' */
+  p->holder = p->base = string;
+  p->pf = format;
+  p->counter = 0;
+  p->flags = (mode == PFM_AS) ? PF_ALLOCBUF : 0;
+}
+
+static int
+#if defined (__STDC__)
+vsnprintf_internal(struct DATA *data, char *string, size_t length, const char *format, va_list args)
+#else
+vsnprintf_internal(data, string, length, format, args)
+     struct DATA *data;
+     char *string;
+     size_t length;
+     const char *format;
+     va_list args;
+#endif
+{
+  double d; /* temporary holder */
+#ifdef HAVE_LONG_DOUBLE
+  long double ld;	/* for later */
+#endif
+  unsigned long ul;
+#ifdef HAVE_UNSIGNED_LONG_LONG_INT
+  unsigned long long ull;
+#endif
+  int state, i, c, n;
+  char *s;
+#if HANDLE_MULTIBYTE
+  wchar_t *ws;
+  wint_t wc;
+#endif
+  const char *convstart;
+  int negprec;
+
+  /* Sanity check, the string length must be >= 0.  C99 actually says that
+     LENGTH can be zero here, in the case of snprintf/vsnprintf (it's never
+     0 in the case of asprintf/vasprintf), and the return value is the number
+     of characters that would have been written. */
+  if (length < 0)
+    return -1;
+
+  if (format == 0)
+    return 0;
+
+  /* Reset these for each call because the locale might have changed. */
+  decpoint = thoussep = 0;
+  grouping = 0;
+
+  negprec = 0;
+  for (; c = *(data->pf); data->pf++)
+    {
+      if (c != '%')
+	{
+	  PUT_CHAR (c, data);
+	  continue;
+	}
+
+      convstart = data->pf;
+      init_conv_flag (data); /* initialise format flags */
+
+      state = 1;
+      for (state = 1; state && *data->pf; )
+	{
+	  c = *(++data->pf);
+	      /* fmtend = data->pf */
+#if defined (FLOATING_POINT) && defined (HAVE_LONG_DOUBLE)
+	  if (data->flags & PF_LONGDBL)
+	    {
+	      switch (c)
+		{
+		case 'f': case 'F':
+		case 'e': case 'E':
+		case 'g': case 'G':
+#  ifdef HAVE_PRINTF_A_FORMAT
+		case 'a': case 'A':
+#  endif
+		  STAR_ARGS (data);
+		  ld = GETLDOUBLE (data);
+		  ldfallback (data, convstart, data->pf, ld);
+		  goto conv_break;
+		}
+	    }
+#endif /* FLOATING_POINT && HAVE_LONG_DOUBLE */
+
+	  switch (c)
+	    {
+	      /* Parse format flags */
+	      case '\0': /* a NULL here ? ? bail out */
+		*data->holder = '\0';
+		return data->counter;
+		break;
+	      case '#':
+		data->flags |= PF_ALTFORM;
+		continue;
+	      case '*':
+		if (data->flags & PF_DOT)
+		  data->flags |= PF_STAR_P;
+		else
+		  data->flags |= PF_STAR_W;
+		continue;
+	      case '-':
+		if ((data->flags & PF_DOT) == 0)
+		  {
+		    data->flags |= PF_LADJUST;
+		    data->justify = LEFT;
+		  }
+		else
+		  negprec = 1;
+		continue;
+	      case ' ':
+		if ((data->flags & PF_PLUS) == 0)
+		  data->flags |= PF_SPACE;
+		continue;
+	      case '+':
+		if ((data->flags & PF_DOT) == 0)
+		  {
+		    data->flags |= PF_PLUS;
+		    if ((data->flags & PF_LADJUST) == 0)
+		      data->justify = RIGHT;
+		  }
+		continue;
+	      case '\'':
+		data->flags |= PF_THOUSANDS;
+		continue;
+
+	      case '0':
+		/* If we're not specifying precision (in which case we've seen
+		   a `.') and we're not performing left-adjustment (in which
+		   case the `0' is ignored), a `0' is taken as the zero-padding
+		   flag. */
+	        if ((data->flags & (PF_DOT|PF_LADJUST)) == 0)
+		  {
+		    data->flags |= PF_ZEROPAD;
+		    data->pad = '0';
+		    continue;
+		  }
+	      case '1': case '2': case '3':
+	      case '4': case '5': case '6':
+	      case '7': case '8': case '9':
+		n = 0;
+		do
+		  {
+		    n = n * 10 + TODIGIT(c);
+		    c = *(++data->pf);
+		  }
+		while (DIGIT(c));
+		data->pf--;		/* went too far */
+		if (n < 0)
+		  n = 0;
+		if (data->flags & PF_DOT)
+		  data->precision = negprec ? NOT_FOUND : n;
+		else
+		  data->width = n;
+		continue;
+
+	      /* optional precision */
+	      case '.':
+		data->flags |= PF_DOT;
+		data->precision = 0;
+		continue;
+
+	      /* length modifiers */
+	      case 'h':
+		data->flags |= (data->flags & PF_SHORTINT) ? PF_SIGNEDCHAR : PF_SHORTINT;
+		continue;
+	      case 'l':
+		data->flags |= (data->flags & PF_LONGINT) ? PF_LONGLONG : PF_LONGINT;
+		continue;
+	      case 'L':
+		data->flags |= PF_LONGDBL;
+		continue;
+	      case 'q':
+		data->flags |= PF_LONGLONG;
+		continue;
+	      case 'j':
+		data->flags |= PF_INTMAX_T;
+		SET_SIZE_FLAGS(data, intmax_t);
+		continue;
+	      case 'z':
+		data->flags |= PF_SIZE_T;
+		SET_SIZE_FLAGS(data, size_t);
+		continue;
+	      case 't':
+		data->flags |= PF_PTRDIFF_T;
+		SET_SIZE_FLAGS(data, ptrdiff_t);
+		continue;
+		
+	      /* Conversion specifiers */
+#ifdef FLOATING_POINT
+	      case 'f':  /* float, double */
+	      case 'F':
+		STAR_ARGS(data);
+		d = GETDOUBLE(data);
+		floating(data, d);
+conv_break:		
+		state = 0;
+		break;
+	      case 'g': 
+	      case 'G':
+		STAR_ARGS(data);
+		DEF_PREC(data);
+		d = GETDOUBLE(data);
+		i = (d != 0.) ? log_10(d) : -1;
+		/*
+		 * for '%g|%G' ANSI: use f if exponent
+		 * is in the range or [-4,p] exclusively
+		 * else use %e|%E
+		 */
+		if (-4 < i && i < data->precision)
+		  {
+		    /* reset precision */
+		    data->precision -= i + 1;
+		    floating(data, d);
+		  }
+		else
+		  {
+		    /* reduce precision by 1 because of leading digit before
+		       decimal point in e format, unless specified as 0. */
+		    if (data->precision > 0)
+		      data->precision--;
+		    exponent(data, d);
+		  }
+		state = 0;
+		break;
+	      case 'e':
+	      case 'E':  /* Exponent double */
+		STAR_ARGS(data);
+		d = GETDOUBLE(data);
+		exponent(data, d);
+		state = 0;
+		break;
+#  ifdef HAVE_PRINTF_A_FORMAT
+	      case 'a':
+	      case 'A':
+		STAR_ARGS(data);
+		d = GETDOUBLE(data);
+		dfallback(data, convstart, data->pf, d);
+		state = 0;
+		break;
+#  endif /* HAVE_PRINTF_A_FORMAT */
+#endif /* FLOATING_POINT */
+	      case 'U':
+		data->flags |= PF_LONGINT;
+		/* FALLTHROUGH */
+	      case 'u':
+		STAR_ARGS(data);
+#ifdef HAVE_LONG_LONG_INT
+		if (data->flags & PF_LONGLONG)
+		  {
+		    ull = GETARG (unsigned long long);
+		    lnumber(data, ull, 10);
+		  }
+		else
+#endif
+		  {
+		    ul = GETUNSIGNED(data);
+		    number(data, ul, 10);
+		  }
+		state = 0;
+		break;
+	      case 'D':
+		data->flags |= PF_LONGINT;
+		/* FALLTHROUGH */
+	      case 'd':  /* decimal */
+	      case 'i':
+		STAR_ARGS(data);
+#ifdef HAVE_LONG_LONG_INT
+		if (data->flags & PF_LONGLONG)
+		  {
+		    ull = GETARG (long long);
+		    lnumber(data, ull, 10);
+		  }
+		else
+#endif
+		  {
+		    ul = GETSIGNED(data);
+		    number(data, ul, 10);
+		  }
+		state = 0;
+		break;
+	      case 'o':  /* octal */
+		STAR_ARGS(data);
+#ifdef HAVE_LONG_LONG_INT
+		if (data->flags & PF_LONGLONG)
+		  {
+		    ull = GETARG (unsigned long long);
+		    lnumber(data, ull, 8);
+		  }
+		else
+#endif
+		  {
+		    ul = GETUNSIGNED(data);
+		    number(data, ul, 8);
+		  }
+		state = 0;
+		break;
+	      case 'x': 
+	      case 'X':  /* hexadecimal */
+		STAR_ARGS(data);
+#ifdef HAVE_LONG_LONG_INT
+		if (data->flags & PF_LONGLONG)
+		  {
+		    ull = GETARG (unsigned long long);
+		    lnumber(data, ull, 16);
+		  }
+		else
+#endif
+		  {
+		    ul = GETUNSIGNED(data);
+		    number(data, ul, 16);
+		  }
+		state = 0;
+		break;
+	      case 'p':
+		STAR_ARGS(data);
+		ul = (unsigned long)GETARG (void *);
+		pointer(data, ul);
+		state = 0;
+		break;
+#if HANDLE_MULTIBYTE
+	      case 'C':
+		data->flags |= PF_LONGINT;
+		/* FALLTHROUGH */
+#endif
+	      case 'c': /* character */
+		STAR_ARGS(data);
+#if HANDLE_MULTIBYTE
+		if (data->flags & PF_LONGINT)
+		  {
+		    wc = GETARG (wint_t);
+		    wchars (data, wc);
+		  }
+		else
+#endif
+		  {		
+		    ul = GETARG (int);
+		    PUT_CHAR(ul, data);
+		  }
+		state = 0;
+		break;
+#if HANDLE_MULTIBYTE
+	      case 'S':
+		data->flags |= PF_LONGINT;
+		/* FALLTHROUGH */
+#endif
+	      case 's':  /* string */
+		STAR_ARGS(data);
+#if HANDLE_MULTIBYTE
+		if (data->flags & PF_LONGINT)
+		  {
+		    ws = GETARG (wchar_t *);
+		    wstrings (data, ws);
+		  }
+		else
+#endif
+		  {
+		    s = GETARG (char *);
+		    strings(data, s);
+		  }
+		state = 0;
+		break;
+	      case 'n':
+#ifdef HAVE_LONG_LONG_INT
+		if (data->flags & PF_LONGLONG)
+		  *(GETARG (long long *)) = data->counter;
+		else
+#endif
+		if (data->flags & PF_LONGINT)
+		  *(GETARG (long *)) = data->counter;
+		else if (data->flags & PF_SHORTINT)
+		  *(GETARG (short *)) = data->counter;
+		else
+		  *(GETARG (int *)) = data->counter;
+		state = 0;
+		break;
+	      case '%':  /* nothing just % */
+		PUT_CHAR('%', data);
+		state = 0;
+		break;
+  	      default:
+		/* is this an error ? maybe bail out */
+		state = 0;
+		break;
+	} /* end switch */
+      } /* end of `%' for loop */
+    } /* end of format string for loop */
+
+  if (data->length >= 0)
+    *data->holder = '\0'; /* the end ye ! */
+
+  return data->counter;
+}
+
+#if defined (FLOATING_POINT) && defined (HAVE_LONG_DOUBLE)
+/*
+ * Printing floating point numbers accurately is an art.  I'm not good
+ * at it.  Fall back to sprintf for long double formats.
+ */
+static void
+ldfallback (data, fs, fe, ld)
+     struct DATA *data;
+     const char *fs, *fe;
+     long double ld;
+{
+  register char *x;
+  char fmtbuf[FALLBACK_FMTSIZE], *obuf;
+  int fl;
+
+  fl = LFALLBACK_BASE + (data->precision < 6 ? 6 : data->precision) + 2;
+  obuf = (char *)xmalloc (fl);
+  fl = fe - fs + 1;
+  strncpy (fmtbuf, fs, fl);
+  fmtbuf[fl] = '\0';
+
+  if ((data->flags & PF_STAR_W) && (data->flags & PF_STAR_P))
+    sprintf (obuf, fmtbuf, data->width, data->precision, ld);
+  else if (data->flags & PF_STAR_W)
+    sprintf (obuf, fmtbuf, data->width, ld);
+  else if (data->flags & PF_STAR_P)
+    sprintf (obuf, fmtbuf, data->precision, ld);
+  else
+    sprintf (obuf, fmtbuf, ld);
+
+  for (x = obuf; *x; x++)
+    PUT_CHAR (*x, data);    
+  xfree (obuf);
+}
+#endif /* FLOATING_POINT && HAVE_LONG_DOUBLE */
+
+#ifdef FLOATING_POINT
+/* Used for %a, %A if the libc printf supports them. */
+static void
+dfallback (data, fs, fe, d)
+     struct DATA *data;
+     const char *fs, *fe;
+     double d;
+{
+  register char *x;
+  char fmtbuf[FALLBACK_FMTSIZE], obuf[FALLBACK_BASE];
+  int fl;
+
+  fl = fe - fs + 1;
+  strncpy (fmtbuf, fs, fl);
+  fmtbuf[fl] = '\0';
+
+  if ((data->flags & PF_STAR_W) && (data->flags & PF_STAR_P))
+    sprintf (obuf, fmtbuf, data->width, data->precision, d);
+  else if (data->flags & PF_STAR_W)
+    sprintf (obuf, fmtbuf, data->width, d);
+  else if (data->flags & PF_STAR_P)
+    sprintf (obuf, fmtbuf, data->precision, d);
+  else
+    sprintf (obuf, fmtbuf, d);
+
+  for (x = obuf; *x; x++)
+    PUT_CHAR (*x, data);    
+}
+#endif /* FLOATING_POINT */
+
+#if !HAVE_SNPRINTF
+
+int
+#if defined (__STDC__)
+vsnprintf(char *string, size_t length, const char *format, va_list args)
+#else
+vsnprintf(string, length, format, args)
+     char *string;
+     size_t length;
+     const char *format;
+     va_list args;
+#endif
+{
+  struct DATA data;
+
+  if (string == 0 && length != 0)
+    return 0;
+  init_data (&data, string, length, format, PFM_SN);
+  return (vsnprintf_internal(&data, string, length, format, args));
+}
+
+int
+#if defined(PREFER_STDARG)
+snprintf(char *string, size_t length, const char * format, ...)
+#else
+snprintf(string, length, format, va_alist)
+     char *string;
+     size_t length;
+     const char *format;
+     va_dcl
+#endif
+{
+  struct DATA data;
+  int rval;
+  va_list args;
+
+  SH_VA_START(args, format);
+
+  if (string == 0 && length != 0)
+    return 0;
+  init_data (&data, string, length, format, PFM_SN);
+  rval = vsnprintf_internal (&data, string, length, format, args);
+
+  va_end(args);
+
+  return rval;
+}
+
+#endif /* HAVE_SNPRINTF */
+
+#if !HAVE_ASPRINTF
+
+int
+#if defined (__STDC__)
+vasprintf(char **stringp, const char *format, va_list args)
+#else
+vasprintf(stringp, format, args)
+     char **stringp;
+     const char *format;
+     va_list args;
+#endif
+{
+  struct DATA data;
+  char *string;
+  int r;
+
+  string = (char *)xmalloc(ASBUFSIZE);
+  init_data (&data, string, ASBUFSIZE, format, PFM_AS);
+  r = vsnprintf_internal(&data, string, ASBUFSIZE, format, args);
+  *stringp = data.base;		/* not string in case reallocated */
+  return r;
+}
+
+int
+#if defined(PREFER_STDARG)
+asprintf(char **stringp, const char * format, ...)
+#else
+asprintf(stringp, format, va_alist)
+     char **stringp;
+     const char *format;
+     va_dcl
+#endif
+{
+  int rval;
+  va_list args;
+
+  SH_VA_START(args, format);
+
+  rval = vasprintf (stringp, format, args);
+
+  va_end(args);
+
+  return rval;
+}
+
+#endif /* !HAVE_ASPRINTF */
+
+#endif /* !HAVE_SNPRINTF || !HAVE_ASPRINTF */
+
+#ifdef DRIVER
+
+static void
+memory_error_and_abort ()
+{
+  write (2, "out of virtual memory\n", 22);
+  abort ();
+}
+
+static void *
+xmalloc(bytes)
+     size_t bytes;
+{
+  void *ret;
+
+  ret = malloc(bytes);
+  if (ret == 0)
+    memory_error_and_abort ();
+  return ret;
+}
+
+static void *
+xrealloc (pointer, bytes)
+     void *pointer;
+     size_t bytes;
+{
+  void *ret;
+
+  ret = pointer ? realloc(pointer, bytes) : malloc(bytes);
+  if (ret == 0)
+    memory_error_and_abort ();
+  return ret;
+}
+
+static void
+xfree(x)
+     void *x;
+{
+  if (x)
+    free (x);
+}
+
+/* set of small tests for snprintf() */
+main()
+{
+  char holder[100];
+  char *h;
+  int i, si, ai;
+
+#ifdef HAVE_LOCALE_H
+  setlocale(LC_ALL, "");
+#endif
+
+#if 1
+  si = snprintf((char *)NULL, 0, "abcde\n");
+  printf("snprintf returns %d with NULL first argument and size of 0\n", si);
+  si = snprintf(holder, 0, "abcde\n");
+  printf("snprintf returns %d with non-NULL first argument and size of 0\n", si);
+  si = snprintf((char *)NULL, 16, "abcde\n");
+  printf("snprintf returns %d with NULL first argument and non-zero size\n", si);
+  
+/*
+  printf("Suite of test for snprintf:\n");
+  printf("a_format\n");
+  printf("printf() format\n");
+  printf("snprintf() format\n\n");
+*/
+/* Checking the field widths */
+
+  printf("/%%ld %%ld/, 336, 336\n");
+  snprintf(holder, sizeof holder, "/%ld %ld/\n", 336, 336);
+  asprintf(&h, "/%ld %ld/\n", 336, 336);
+  printf("/%ld %ld/\n", 336, 336);
+  printf("%s", holder);
+  printf("%s\n", h);
+
+  printf("/%%d/, 336\n");
+  snprintf(holder, sizeof holder, "/%d/\n", 336);
+  asprintf(&h, "/%d/\n", 336);
+  printf("/%d/\n", 336);
+  printf("%s", holder);
+  printf("%s\n", h);
+
+  printf("/%%2d/, 336\n");
+  snprintf(holder, sizeof holder, "/%2d/\n", 336);
+  asprintf(&h, "/%2d/\n", 336);
+  printf("/%2d/\n", 336);
+  printf("%s", holder);
+  printf("%s\n", h);
+
+  printf("/%%10d/, 336\n");
+  snprintf(holder, sizeof holder, "/%10d/\n", 336);
+  asprintf(&h, "/%10d/\n", 336);
+  printf("/%10d/\n", 336);
+  printf("%s", holder);
+  printf("%s\n", h);
+
+  printf("/%%-10d/, 336\n");
+  snprintf(holder, sizeof holder, "/%-10d/\n", 336);
+  asprintf(&h, "/%-10d/\n", 336);
+  printf("/%-10d/\n", 336);
+  printf("%s", holder);
+  printf("%s\n", h);
+
+
+/* floating points */
+
+  printf("/%%f/, 1234.56\n");
+  snprintf(holder, sizeof holder, "/%f/\n", 1234.56);
+  asprintf(&h, "/%f/\n", 1234.56);
+  printf("/%f/\n", 1234.56);
+  printf("%s", holder);
+  printf("%s\n", h);
+
+  printf("/%%e/, 1234.56\n");
+  snprintf(holder, sizeof holder, "/%e/\n", 1234.56);
+  asprintf(&h, "/%e/\n", 1234.56);
+  printf("/%e/\n", 1234.56);
+  printf("%s", holder);
+  printf("%s\n", h);
+
+  printf("/%%4.2f/, 1234.56\n");
+  snprintf(holder, sizeof holder, "/%4.2f/\n", 1234.56);
+  asprintf(&h, "/%4.2f/\n", 1234.56);
+  printf("/%4.2f/\n", 1234.56);
+  printf("%s", holder);
+  printf("%s\n", h);
+
+  printf("/%%3.1f/, 1234.56\n");
+  snprintf(holder, sizeof holder, "/%3.1f/\n", 1234.56);
+  asprintf(&h, "/%3.1f/\n", 1234.56);
+  printf("/%3.1f/\n", 1234.56);
+  printf("%s", holder);
+  printf("%s\n", h);
+
+  printf("/%%10.3f/, 1234.56\n");
+  snprintf(holder, sizeof holder, "/%10.3f/\n", 1234.56);
+  asprintf(&h, "/%10.3f/\n", 1234.56);
+  printf("/%10.3f/\n", 1234.56);
+  printf("%s", holder);
+  printf("%s\n", h);
+
+  printf("/%%10.3e/, 1234.56\n");
+  snprintf(holder, sizeof holder, "/%10.3e/\n", 1234.56);
+  asprintf(&h, "/%10.3e/\n", 1234.56);
+  printf("/%10.3e/\n", 1234.56);
+  printf("%s", holder);
+  printf("%s\n", h);
+
+  printf("/%%+4.2f/, 1234.56\n");
+  snprintf(holder, sizeof holder, "/%+4.2f/\n", 1234.56);
+  asprintf(&h, "/%+4.2f/\n", 1234.56);
+  printf("/%+4.2f/\n", 1234.56);
+  printf("%s", holder);
+  printf("%s\n", h);
+
+  printf("/%%010.2f/, 1234.56\n");
+  snprintf(holder, sizeof holder, "/%010.2f/\n", 1234.56);
+  asprintf(&h, "/%010.2f/\n", 1234.56);
+  printf("/%010.2f/\n", 1234.56);
+  printf("%s", holder);
+  printf("%s\n", h);
+
+#define BLURB "Outstanding acting !"
+/* strings precisions */
+
+  printf("/%%2s/, \"%s\"\n", BLURB);
+  snprintf(holder, sizeof holder, "/%2s/\n", BLURB);
+  asprintf(&h, "/%2s/\n", BLURB);
+  printf("/%2s/\n", BLURB);
+  printf("%s", holder);
+  printf("%s\n", h);
+
+  printf("/%%22s/ %s\n", BLURB);
+  snprintf(holder, sizeof holder, "/%22s/\n", BLURB);
+  asprintf(&h, "/%22s/\n", BLURB);
+  printf("/%22s/\n", BLURB);
+  printf("%s", holder);
+  printf("%s\n", h);
+
+  printf("/%%22.5s/ %s\n", BLURB);
+  snprintf(holder, sizeof holder, "/%22.5s/\n", BLURB);
+  asprintf(&h, "/%22.5s/\n", BLURB);
+  printf("/%22.5s/\n", BLURB);
+  printf("%s", holder);
+  printf("%s\n", h);
+
+  printf("/%%-22.5s/ %s\n", BLURB);
+  snprintf(holder, sizeof holder, "/%-22.5s/\n", BLURB);
+  asprintf(&h, "/%-22.5s/\n", BLURB);
+  printf("/%-22.5s/\n", BLURB);
+  printf("%s", holder);
+  printf("%s\n", h);
+
+/* see some flags */
+
+  printf("%%x %%X %%#x, 31, 31, 31\n");
+  snprintf(holder, sizeof holder, "%x %X %#x\n", 31, 31, 31);
+  asprintf(&h, "%x %X %#x\n", 31, 31, 31);
+  printf("%x %X %#x\n", 31, 31, 31);
+  printf("%s", holder);
+  printf("%s\n", h);
+
+  printf("**%%d**%% d**%% d**, 42, 42, -42\n");
+  snprintf(holder, sizeof holder, "**%d**% d**% d**\n", 42, 42, -42);
+  asprintf(&h, "**%d**% d**% d**\n", 42, 42, -42);
+  printf("**%d**% d**% d**\n", 42, 42, -42);
+  printf("%s", holder);
+  printf("%s\n", h);
+
+/* other flags */
+
+  printf("/%%g/, 31.4\n");
+  snprintf(holder, sizeof holder, "/%g/\n", 31.4);
+  asprintf(&h, "/%g/\n", 31.4);
+  printf("/%g/\n", 31.4);
+  printf("%s", holder);
+  printf("%s\n", h);
+
+  printf("/%%.6g/, 31.4\n");
+  snprintf(holder, sizeof holder, "/%.6g/\n", 31.4);
+  asprintf(&h, "/%.6g/\n", 31.4);
+  printf("/%.6g/\n", 31.4);
+  printf("%s", holder);
+  printf("%s\n", h);
+
+  printf("/%%.1G/, 31.4\n");
+  snprintf(holder, sizeof holder, "/%.1G/\n", 31.4);
+  asprintf(&h, "/%.1G/\n", 31.4);
+  printf("/%.1G/\n", 31.4);
+  printf("%s", holder);
+  printf("%s\n", h);
+
+  printf("/%%.1G/, 3100000000.4\n");
+  snprintf(holder, sizeof holder, "/%.1G/\n", 3100000000.4);  
+  asprintf(&h, "/%.1G/\n", 3100000000.4);  
+  printf("/%.1G/\n", 3100000000.4); 
+  printf("%s", holder);
+  printf("%s\n", h);
+
+  printf("abc%%n\n");
+  printf("abc%n", &i); printf("%d\n", i);
+  snprintf(holder, sizeof holder, "abc%n", &i);
+  printf("%s", holder); printf("%d\n\n", i);
+  asprintf(&h, "abc%n", &i);
+  printf("%s", h); printf("%d\n\n", i);
+  
+  printf("%%*.*s --> 10.10\n");
+  snprintf(holder, sizeof holder, "%*.*s\n", 10, 10, BLURB);
+  asprintf(&h, "%*.*s\n", 10, 10, BLURB);
+  printf("%*.*s\n", 10, 10, BLURB);
+  printf("%s", holder);
+  printf("%s\n", h);
+
+  printf("%%%%%%%%\n");
+  snprintf(holder, sizeof holder, "%%%%\n");
+  asprintf(&h, "%%%%\n");
+  printf("%%%%\n");
+  printf("%s", holder);
+  printf("%s\n", h);
+
+#define BIG "Hello this is a too big string for the buffer"
+/*  printf("A buffer to small of 10, trying to put this:\n");*/
+  printf("<%%>, %s\n", BIG); 
+  i = snprintf(holder, 10, "%s\n", BIG);
+  i = asprintf(&h, "%s", BIG);
+  printf("<%s>\n", BIG);
+  printf("<%s>\n", holder);
+  printf("<%s>\n\n", h);
+
+  printf ("<%%p> vsnprintf\n");
+  i = snprintf(holder, 100, "%p", vsnprintf);
+  i = asprintf(&h, "%p", vsnprintf);
+  printf("<%p>\n", vsnprintf);
+  printf("<%s>\n", holder);  
+  printf("<%s>\n\n", h);
+
+  printf ("<%%lu> LONG_MAX+1\n");
+  i = snprintf(holder, 100, "%lu", (unsigned long)(LONG_MAX)+1);
+  i = asprintf(&h, "%lu", (unsigned long)(LONG_MAX)+1);
+  printf("<%lu>\n", (unsigned long)(LONG_MAX)+1);
+  printf("<%s>\n", holder);
+  printf("<%s>\n\n", h);
+
+#ifdef HAVE_LONG_LONG_INT
+  printf ("<%%llu> LLONG_MAX+1\n");
+  i = snprintf(holder, 100, "%llu", (unsigned long long)(LLONG_MAX)+1);
+  i = asprintf(&h, "%llu", (unsigned long long)(LLONG_MAX)+1);
+  printf("<%llu>\n", (unsigned long long)(LLONG_MAX)+1);
+  printf("<%s>\n", holder);
+  printf("<%s>\n\n", h);
+#endif
+
+#ifdef HAVE_LONG_DOUBLE
+  printf ("<%%6.2LE> 42.42\n");
+  i = snprintf(holder, 100, "%6.2LE", (long double)42.42);
+  i = asprintf(&h, "%6.2LE", (long double)42.42);
+  printf ("<%6.2LE>\n", (long double)42.42);
+  printf ("<%s>\n", holder);
+  printf ("<%s>\n\n", h);
+#endif
+
+#ifdef HAVE_PRINTF_A_FORMAT
+  printf ("<%%6.2A> 42.42\n");
+  i = snprintf(holder, 100, "%6.2A", 42.42);
+  i = asprintf(&h, "%6.2A", 42.42);
+  printf ("<%6.2A>\n", 42.42);
+  printf ("<%s>\n", holder);
+  printf ("<%s>\n\n", h);
+
+  printf ("<%%6.2LA> 42.42\n");
+  i = snprintf(holder, 100, "%6.2LA", (long double)42.42);
+  i = asprintf(&h, "%6.2LA", (long double)42.42);
+  printf ("<%6.2LA>\n", (long double)42.42);
+  printf ("<%s>\n", holder);
+  printf ("<%s>\n\n", h);
+#endif
+
+  printf ("<%%.10240f> DBL_MAX\n");
+  si = snprintf(holder, 100, "%.10240f", DBL_MAX);
+  ai = asprintf(&h, "%.10240f", DBL_MAX);
+  printf ("<%.10240f>\n", DBL_MAX);
+  printf ("<%d> <%s>\n", si, holder);
+  printf ("<%d> <%s>\n\n", ai, h);
+
+  printf ("<%%.10240Lf> LDBL_MAX\n");
+  si = snprintf(holder, 100, "%.10240Lf", (long double)LDBL_MAX);
+  ai = asprintf(&h, "%.10240Lf", (long double)LDBL_MAX);
+  printf ("<%.10240Lf>\n", (long double)LDBL_MAX);
+  printf ("<%d> <%s>\n", si, holder);
+  printf ("<%d> <%s>\n\n", ai, h);
+
+  /* huh? */
+  printf("/%%g/, 421.2345\n");
+  snprintf(holder, sizeof holder, "/%g/\n", 421.2345);
+  asprintf(&h, "/%g/\n", 421.2345);
+  printf("/%g/\n", 421.2345);
+  printf("%s", holder);
+  printf("%s\n", h);
+
+  printf("/%%g/, 4214.2345\n");
+  snprintf(holder, sizeof holder, "/%g/\n", 4214.2345);
+  asprintf(&h, "/%g/\n", 4214.2345);
+  printf("/%g/\n", 4214.2345);
+  printf("%s", holder);
+  printf("%s\n", h);
+
+  printf("/%%.5g/, 4214.2345\n");
+  snprintf(holder, sizeof holder, "/%.5g/\n", 4214.2345);
+  asprintf(&h, "/%.5g/\n", 4214.2345);
+  printf("/%.5g/\n", 4214.2345);
+  printf("%s", holder);
+  printf("%s\n", h);
+
+  printf("/%%.4g/, 4214.2345\n");
+  snprintf(holder, sizeof holder, "/%.4g/\n", 4214.2345);
+  asprintf(&h, "/%.4g/\n", 4214.2345);
+  printf("/%.4g/\n", 4214.2345);
+  printf("%s", holder);
+  printf("%s\n", h);
+
+  printf("/%%'ld %%'ld/, 12345, 1234567\n");
+  snprintf(holder, sizeof holder, "/%'ld %'ld/\n", 12345, 1234567);
+  asprintf(&h, "/%'ld %'ld/\n", 12345, 1234567);
+  printf("/%'ld %'ld/\n", 12345, 1234567);
+  printf("%s", holder);
+  printf("%s\n", h);
+
+  printf("/%%'ld %%'ld/, 336, 3336\n");
+  snprintf(holder, sizeof holder, "/%'ld %'ld/\n", 336, 3336);
+  asprintf(&h, "/%'ld %'ld/\n", 336, 3336);
+  printf("/%'ld %'ld/\n", 336, 3336);
+  printf("%s", holder);
+  printf("%s\n", h);
+
+  printf("/%%'ld %%'ld/, -42786, -142786\n");
+  snprintf(holder, sizeof holder, "/%'ld %'ld/\n", -42786, -142786);
+  asprintf(&h, "/%'ld %'ld/\n", -42786, -142786);
+  printf("/%'ld %'ld/\n", -42786, -142786);
+  printf("%s", holder);
+  printf("%s\n", h);
+
+  printf("/%%'f %%'f/, 421.2345, 421234.56789\n");
+  snprintf(holder, sizeof holder, "/%'f %'f/\n", 421.2345, 421234.56789);
+  asprintf(&h, "/%'f %'f/\n", 421.2345, 421234.56789);
+  printf("/%'f %'f/\n", 421.2345, 421234.56789);
+  printf("%s", holder);
+  printf("%s\n", h);
+
+  printf("/%%'f %%'f/, -421.2345, -421234.56789\n");
+  snprintf(holder, sizeof holder, "/%'f %'f/\n", -421.2345, -421234.56789);
+  asprintf(&h, "/%'f %'f/\n", -421.2345, -421234.56789);
+  printf("/%'f %'f/\n", -421.2345, -421234.56789);
+  printf("%s", holder);
+  printf("%s\n", h);
+
+  printf("/%%'g %%'g/, 421.2345, 421234.56789\n");
+  snprintf(holder, sizeof holder, "/%'g %'g/\n", 421.2345, 421234.56789);
+  asprintf(&h, "/%'g %'g/\n", 421.2345, 421234.56789);
+  printf("/%'g %'g/\n", 421.2345, 421234.56789);
+  printf("%s", holder);
+  printf("%s\n", h);
+
+  printf("/%%'g %%'g/, -421.2345, -421234.56789\n");
+  snprintf(holder, sizeof holder, "/%'g %'g/\n", -421.2345, -421234.56789);
+  asprintf(&h, "/%'g %'g/\n", -421.2345, -421234.56789);
+  printf("/%'g %'g/\n", -421.2345, -421234.56789);
+  printf("%s", holder);
+  printf("%s\n", h);
+#endif
+
+  printf("/%%'g/, 4213455.8392\n");
+  snprintf(holder, sizeof holder, "/%'g/\n", 4213455.8392);
+  asprintf(&h, "/%'g/\n", 4213455.8392);
+  printf("/%'g/\n", 4213455.8392);
+  printf("%s", holder);
+  printf("%s\n", h);
+
+  exit (0);
+}
+#endif