diff options
Diffstat (limited to 'src/stdio/vfprintf.c')
| -rw-r--r-- | src/stdio/vfprintf.c | 14 |
1 files changed, 4 insertions, 10 deletions
diff --git a/src/stdio/vfprintf.c b/src/stdio/vfprintf.c index 497c5e19..360d723a 100644 --- a/src/stdio/vfprintf.c +++ b/src/stdio/vfprintf.c @@ -166,7 +166,8 @@ static char *fmt_u(uintmax_t x, char *s) { unsigned long y; for ( ; x>ULONG_MAX; x/=10) *--s = '0' + x%10; - for (y=x; y; y/=10) *--s = '0' + y%10; + for (y=x; y>=10; y/=10) *--s = '0' + y%10; + if (y) *--s = '0' + y; return s; } @@ -211,18 +212,11 @@ static int fmt_fp(FILE *f, long double y, int w, int p, int fl, int t) if (y) e2--; if ((t|32)=='a') { - long double round = 8.0; - int re; - if (t&32) prefix += 9; pl += 2; - if (p<0 || p>=LDBL_MANT_DIG/4-1) re=0; - else re=LDBL_MANT_DIG/4-1-p; - - if (re) { - round *= 1<<(LDBL_MANT_DIG%4); - while (re--) round*=16; + if (p>=0 && p<(LDBL_MANT_DIG-1+3)/4) { + double round = scalbn(1, LDBL_MANT_DIG-1-(p*4)); if (*prefix=='-') { y=-y; y-=round; |