Kludge around a bug that results from printf() assuming that

dtoa() is buggy.  The bug would cause incorrect output to be
generated when format strings such as '%5.0f' were used with
nonzero numbers whose magnitude is less than 1.

Reported by:	df(1) by way of periodic(8)
Reviewed by:	mike

1 files changed, 1 insertions, 1 deletions

diff --git a/lib/libc/stdio/vfprintf.c b/lib/libc/stdio/vfprintf.c
index 460d416..5ade7fe 100644
--- a/lib/libc/stdio/vfprintf.c
+++ b/lib/libc/stdio/vfprintf.c
@@ -1536,7 +1536,7 @@ cvt(double value, int ndigits, int flags, char *sign, int *decpt,
 		/* print trailing zeros */
 		bp = digits + ndigits;
 		if (ch == 'f') {
-			if (*digits == '0' && value)
+			if ((*digits == '0' || *digits == '\0') && value)
 				*decpt = -ndigits + 1;
 			bp += *decpt;
 		}