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-rw-r--r--Build/source/libs/mpfr/mpfr-src/src/extract.c12
1 files changed, 7 insertions, 5 deletions
diff --git a/Build/source/libs/mpfr/mpfr-src/src/extract.c b/Build/source/libs/mpfr/mpfr-src/src/extract.c
index 9dd58da377a..b3a56ffab3d 100644
--- a/Build/source/libs/mpfr/mpfr-src/src/extract.c
+++ b/Build/source/libs/mpfr/mpfr-src/src/extract.c
@@ -37,19 +37,21 @@ mpfr_extract (mpz_ptr y, mpfr_srcptr p, unsigned int i)
unsigned long two_i_2 = i ? two_i / 2 : 1;
mp_size_t size_p = MPFR_LIMB_SIZE (p);
+ MPFR_ASSERTN (two_i != 0 && two_i_2 <= INT_MAX); /* overflow check */
+
/* as 0 <= |p| < 1, we don't have to care with infinities, NaN, ... */
MPFR_ASSERTD (!MPFR_IS_SINGULAR (p));
- _mpz_realloc (y, two_i_2);
- if ((mpfr_uexp_t) size_p < two_i)
+ mpz_realloc2 (y, (mp_bitcnt_t) two_i_2 * GMP_NUMB_BITS);
+ if (size_p < two_i)
{
MPN_ZERO (PTR(y), two_i_2);
- if ((mpfr_uexp_t) size_p >= two_i_2)
- MPN_COPY (PTR(y) + two_i - size_p, MPFR_MANT(p), size_p - two_i_2);
+ if (size_p >= two_i_2)
+ MPN_COPY (PTR(y) + (two_i - size_p), MPFR_MANT(p), size_p - two_i_2);
}
else
MPN_COPY (PTR(y), MPFR_MANT(p) + size_p - two_i, two_i_2);
MPN_NORMALIZE (PTR(y), two_i_2);
- SIZ(y) = (MPFR_IS_NEG (p)) ? -two_i_2 : two_i_2;
+ SIZ(y) = MPFR_IS_NEG (p) ? - (int) two_i_2 : (int) two_i_2;
}