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authorUlrich Drepper <drepper@redhat.com>1999-07-14 00:54:57 +0000
committerUlrich Drepper <drepper@redhat.com>1999-07-14 00:54:57 +0000
commitabfbdde177c3a7155070dda1b2cdc8292054cc26 (patch)
treee021306b596381fbf8311d2b7eb294e918ff17c8 /stdio-common/printf_fp.c
parent86421aa57ecfd70963ae66848bd6a6dd3b8e0fe6 (diff)
downloadglibc-abfbdde177c3a7155070dda1b2cdc8292054cc26.tar.gz
Update.
Diffstat (limited to 'stdio-common/printf_fp.c')
-rw-r--r--stdio-common/printf_fp.c25
1 files changed, 22 insertions, 3 deletions
diff --git a/stdio-common/printf_fp.c b/stdio-common/printf_fp.c
index 1b550abe4f..0a2efb7891 100644
--- a/stdio-common/printf_fp.c
+++ b/stdio-common/printf_fp.c
@@ -439,9 +439,28 @@ __printf_fp (FILE *fp,
{
if (scalesize == 0)
{
- tmpsize = powers->arraysize;
- memcpy (tmp, &__tens[powers->arrayoff],
- tmpsize * sizeof (mp_limb_t));
+#ifndef __NO_LONG_DOUBLE_MATH
+ if (LDBL_MANT_DIG > _FPIO_CONST_OFFSET * BITS_PER_MP_LIMB
+ && info->is_long_double)
+ {
+#define _FPIO_CONST_SHIFT \
+ (((LDBL_MANT_DIG + BITS_PER_MP_LIMB - 1) / BITS_PER_MP_LIMB) \
+ - _FPIO_CONST_OFFSET)
+ /* 64bit const offset is not enough for
+ IEEE quad long double. */
+ tmpsize = powers->arraysize + _FPIO_CONST_SHIFT;
+ memcpy (tmp + _FPIO_CONST_SHIFT,
+ &__tens[powers->arrayoff],
+ tmpsize * sizeof (mp_limb_t));
+ MPN_ZERO (tmp, _FPIO_CONST_SHIFT);
+ }
+ else
+#endif
+ {
+ tmpsize = powers->arraysize;
+ memcpy (tmp, &__tens[powers->arrayoff],
+ tmpsize * sizeof (mp_limb_t));
+ }
}
else
{