diff options
Diffstat (limited to 'src/include/ipxe/bigint.h')
| -rw-r--r-- | src/include/ipxe/bigint.h | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/src/include/ipxe/bigint.h b/src/include/ipxe/bigint.h index a85761815..2a0a200c5 100644 --- a/src/include/ipxe/bigint.h +++ b/src/include/ipxe/bigint.h @@ -70,23 +70,25 @@ FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL ); * * @v addend Big integer to add * @v value Big integer to be added to + * @ret carry Carry out */ -#define bigint_add( addend, value ) do { \ +#define bigint_add( addend, value ) ( { \ unsigned int size = bigint_size (addend); \ bigint_add_raw ( (addend)->element, (value)->element, size ); \ - } while ( 0 ) + } ) /** * Subtract big integers * * @v subtrahend Big integer to subtract * @v value Big integer to be subtracted from + * @ret borrow Borrow out */ -#define bigint_subtract( subtrahend, value ) do { \ +#define bigint_subtract( subtrahend, value ) ( { \ unsigned int size = bigint_size (subtrahend); \ bigint_subtract_raw ( (subtrahend)->element, (value)->element, \ size ); \ - } while ( 0 ) + } ) /** * Shift big integer left @@ -389,10 +391,10 @@ void bigint_init_raw ( bigint_element_t *value0, unsigned int size, const void *data, size_t len ); void bigint_done_raw ( const bigint_element_t *value0, unsigned int size, void *out, size_t len ); -void bigint_add_raw ( const bigint_element_t *addend0, - bigint_element_t *value0, unsigned int size ); -void bigint_subtract_raw ( const bigint_element_t *subtrahend0, - bigint_element_t *value0, unsigned int size ); +int bigint_add_raw ( const bigint_element_t *addend0, + bigint_element_t *value0, unsigned int size ); +int bigint_subtract_raw ( const bigint_element_t *subtrahend0, + bigint_element_t *value0, unsigned int size ); void bigint_shl_raw ( bigint_element_t *value0, unsigned int size ); void bigint_shr_raw ( bigint_element_t *value0, unsigned int size ); int bigint_is_zero_raw ( const bigint_element_t *value0, unsigned int size ); |