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Date: Thu, 15 Jun 2000 16:05:57 -0400
Message-Id: <200006152005.QAA14195@envy.delorie.com>
From: DJ Delorie <dj AT delorie DOT com>
To: stanton AT Haas DOT Berkeley DOT EDU
CC: cygwin AT sourceware DOT cygnus DOT com
Subject: Re: Latest gcc/cygwin - bug in %e format specifier?
References:  <20000615132956 DOT B907 AT cygnus DOT com>


> The latest net release of gcc seems to have a slight bug in the %e
> print format specifier. It prints garbage when you try to print a
> variable whose value is zero.

Try this and let me know if it works for you.  If it does, I'll work
on getting it into newlib.

2000-06-15  DJ Delorie  <dj AT cygnus DOT com>

	* libc/stdio/vfprintf.c: pad 0.0 correctly with %e
 
Index: newlib/libc/stdio/vfprintf.c
===================================================================
RCS file: /cvs/src/src/newlib/libc/stdio/vfprintf.c,v
retrieving revision 1.3
diff -p -3 -r1.3 vfprintf.c
*** vfprintf.c	2000/04/17 17:10:16	1.3
--- vfprintf.c	2000/06/15 20:04:53
*************** number:			if ((dprec = prec) >= 0)
*** 824,830 ****
  					ox[0] = *cp++;
  					ox[1] = '.';
  					PRINT(ox, 2);
!                                        if (_double || (flags & ALT) == 0) {
  						PRINT(cp, ndig-1);
  					} else	/* 0.[0..] */
  						/* __dtoa irregularity */
--- 824,830 ----
  					ox[0] = *cp++;
  					ox[1] = '.';
  					PRINT(ox, 2);
!                                        if (_double) {
  						PRINT(cp, ndig-1);
  					} else	/* 0.[0..] */
  						/* __dtoa irregularity */

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