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fix memory leak in arf_load_file (thanks Dave Platt)

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This commit is contained in:
fredrik 2021-09-17 12:49:36 +02:00
parent eed5af28f8
commit d188914df2
1 changed files with 22 additions and 12 deletions
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34
arf/load.c
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@ -79,23 +79,33 @@ arf_load_str(arf_t x, const char* data)
int arf_load_file(arf_t x, FILE* stream)
{
mpz_t mantissa, exponent;
fmpz_t mantissa_, exponent_;
fmpz_t mantissa, exponent;
__mpz_struct *mpz_mantissa, *mpz_exponent;
int err;
mpz_init(mantissa);
mpz_init(exponent);
fmpz_init(mantissa);
fmpz_init(exponent);
if (mpz_inp_str(mantissa, stream, 16) == 0) return 1;
if (mpz_inp_str(exponent, stream, 16) == 0) return 1;
mpz_mantissa = _fmpz_promote(mantissa);
mpz_exponent = _fmpz_promote(exponent);
fmpz_init_set_readonly(mantissa_, mantissa);
fmpz_init_set_readonly(exponent_, exponent);
err = 0;
arf_set_fmpz_2exp_dump(x, mantissa_, exponent_);
if (mpz_inp_str(mpz_mantissa, stream, 16) == 0)
err = 1;
mpz_clear(mantissa);
mpz_clear(exponent);
if (!err && mpz_inp_str(mpz_exponent, stream, 16) == 0)
err = 1;
return 0;
_fmpz_demote_val(mantissa);
_fmpz_demote_val(exponent);
if (!err)
arf_set_fmpz_2exp_dump(x, mantissa, exponent);
fmpz_clear(mantissa);
fmpz_clear(exponent);
return err;
}