comparison: src/ucx.c
src/ucx.c
- changeset 270
- 3d80d425543b
- parent 263
- 3ff0abc49ed5
- child 273
- 9c1591b3c4a4
equal
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| 269:591473851c95 | 270:3d80d425543b |
|---|---|
| 42 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | 42 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 43 * POSSIBILITY OF SUCH DAMAGE. | 43 * POSSIBILITY OF SUCH DAMAGE. |
| 44 */ | 44 */ |
| 45 | 45 |
| 46 #include "ucx/ucx.h" | 46 #include "ucx/ucx.h" |
| 47 | |
| 48 #ifndef UCX_MUL_BUILTIN | |
| 49 int ucx_szmul(size_t a, size_t b, size_t *result) { | |
| 50 if(a == 0 || b == 0) { | |
| 51 *result = 0; | |
| 52 return 1; | |
| 53 } | |
| 54 size_t r = a * b; | |
| 55 if(r / b == a) { | |
| 56 *result = r; | |
| 57 return 0; | |
| 58 } else { | |
| 59 *result = 0; | |
| 60 return 1; | |
| 61 } | |
| 62 } | |
| 63 #endif |
