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| author | Rich Felker <dalias@aerifal.cx> | 2011-04-12 11:50:52 -0400 |
|---|---|---|
| committer | Rich Felker <dalias@aerifal.cx> | 2011-04-12 11:50:52 -0400 |
| commit | e514228043c2618f925bcfe8db71b0ff4e2b2113 (patch) | |
| tree | d88c4d86a0e98961b6938347b6ce4c543e874f11 | |
| parent | 209f2bbd95cfac3a71bb8afa452c794d1ccf94cf (diff) | |
| download | musl-e514228043c2618f925bcfe8db71b0ff4e2b2113.tar.gz musl-e514228043c2618f925bcfe8db71b0ff4e2b2113.tar.xz musl-e514228043c2618f925bcfe8db71b0ff4e2b2113.zip | |
fix printf("%.9g", 1.1) and similar not dropping trailing zeros
| -rw-r--r-- | src/stdio/vfprintf.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/stdio/vfprintf.c b/src/stdio/vfprintf.c index a8cf41b6..f19058d3 100644 --- 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--); } |