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fix printf("%.9g", 1.1) and similar not dropping trailing zeros
author
Rich Felker
<dalias@aerifal.cx>
Tue, 12 Apr 2011 15:50:52 +0000
(11:50 -0400)
committer
Rich Felker
<dalias@aerifal.cx>
Tue, 12 Apr 2011 15:50:52 +0000
(11:50 -0400)
src/stdio/vfprintf.c
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diff --git
a/src/stdio/vfprintf.c
b/src/stdio/vfprintf.c
index a8cf41b666c9520fc407ca810fd260d9693dd7f4..f19058d3c0cb04a97ca81c0befec93c838cab172 100644
(file)
--- a/
src/stdio/vfprintf.c
+++ b/
src/stdio/vfprintf.c
@@
-330,9
+330,10
@@
static int fmt_fp(FILE *f, long double y, int w, int p, int fl, int t)
else if (i==i/2 && d+1==z) small=0x10p-1;
else small=0x11p-1;
if (pl && *prefix=='-') round*=-1, small*=-1;
+ *d -= x;
/* Decide whether to round by probing round+small */
if (round+small != round) {
- *d = *d
- x
+ i;
+ *d = *d + i;
while (*d > 999999999) {
*d--=0;
(*d)++;
@@
-341,6
+342,7
@@
static int fmt_fp(FILE *f, long double y, int w, int p, int fl, int t)
for (i=10, e=9*(r-a); *a>=i; i*=10, e++);
}
}
+ if (z>d+1) z=d+1;
for (; !z[-1] && z>a; z--);
}