diff options
Diffstat (limited to 'third_party/heimdal/lib/hcrypto/libtommath/bn_mp_init_size.c')
-rw-r--r-- | third_party/heimdal/lib/hcrypto/libtommath/bn_mp_init_size.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/third_party/heimdal/lib/hcrypto/libtommath/bn_mp_init_size.c b/third_party/heimdal/lib/hcrypto/libtommath/bn_mp_init_size.c new file mode 100644 index 0000000..d622687 --- /dev/null +++ b/third_party/heimdal/lib/hcrypto/libtommath/bn_mp_init_size.c @@ -0,0 +1,24 @@ +#include "tommath_private.h" +#ifdef BN_MP_INIT_SIZE_C +/* LibTomMath, multiple-precision integer library -- Tom St Denis */ +/* SPDX-License-Identifier: Unlicense */ + +/* init an mp_init for a given size */ +mp_err mp_init_size(mp_int *a, int size) +{ + size = MP_MAX(MP_MIN_PREC, size); + + /* alloc mem */ + a->dp = (mp_digit *) MP_CALLOC((size_t)size, sizeof(mp_digit)); + if (a->dp == NULL) { + return MP_MEM; + } + + /* set the members */ + a->used = 0; + a->alloc = size; + a->sign = MP_ZPOS; + + return MP_OKAY; +} +#endif |