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Message-ID: <779F20BCCE5AD31186A50008C75D997917177B@silldn_mail1.sanwaint.com>
From: "Fifer, Eric" <EFifer AT sanwaint DOT com>
To: "'cygwin-developers AT sources DOT redhat DOT com'"
	 <cygwin-developers AT sources DOT redhat DOT com>
Cc: "'newlib AT sources DOT redhat DOT com'" <newlib AT sources DOT redhat DOT com>
Subject: printf("%.0f", 0.1) => 0.
Date: Wed, 16 Aug 2000 12:31:31 +0100
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I discovered this when testing the latest Perl:

	main()
	{
    		printf("%.0f\n", 0.1);
    		printf("%.0f\n", -0.1);
	}

Produces:

	0.
	-0.

The trailing dot is the problem.  Attached is a suggested
change that seems to fix the problem and not introduce any
others.

Regards,

Eric Fifer


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=0A=
ChangeLog=0A=
=0A=
	* libc/stdio/vfprintf.c (_vfprintf_r): suppress . with "%.0f", 0.1=0A=
=0A=
--- cygwin-1.1.4/newlib/libc/stdio/vfprintf.c.orig	Tue Aug 15 17:37:29 =
2000=0A=
+++ cygwin-1.1.4/newlib/libc/stdio/vfprintf.c	Wed Aug 16 10:15:54 =
2000=0A=
@@ -805,9 +805,11 @@=0A=
 					}=0A=
 				} else if (expt <=3D 0) {=0A=
 					PRINT("0", 1);=0A=
-					PRINT(decimal_point, 1);=0A=
-					PAD(-expt, zeroes);=0A=
-					PRINT(cp, ndig);=0A=
+					if(ndig) {=0A=
+						PRINT(decimal_point, 1);=0A=
+						PAD(-expt, zeroes);=0A=
+						PRINT(cp, ndig);=0A=
+					}=0A=
 				} else if (expt >=3D ndig) {=0A=
 					PRINT(cp, ndig);=0A=
 					PAD(expt - ndig, zeroes);=0A=

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