comparison: src/ucx/ucx/ucx.h
src/ucx/ucx/ucx.h
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- changeset 260
- 4779a6fb4fbe
- parent 254
- 4784c14aa639
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| 259:0b8692959d37 | 260:4779a6fb4fbe |
|---|---|
| 168 | 168 |
| 169 #else /* no GNUC or clang bultin */ | 169 #else /* no GNUC or clang bultin */ |
| 170 | 170 |
| 171 /** | 171 /** |
| 172 * Performs a multiplication of size_t values and checks for overflow. | 172 * Performs a multiplication of size_t values and checks for overflow. |
| 173 * | 173 * |
| 174 * @param a first operand | |
| 175 * @param b second operand | |
| 176 * @param result a pointer to a size_t, where the result should | |
| 177 * be stored | |
| 178 * @return zero, if no overflow occurred and the result is correct, non-zero | |
| 179 * otherwise | |
| 180 */ | |
| 181 #define ucx_szmul(a, b, result) ucx_szmul_impl(a, b, result) | |
| 182 | |
| 183 /** | |
| 184 * Performs a multiplication of size_t values and checks for overflow. | |
| 185 * | |
| 174 * This is a custom implementation in case there is no compiler builtin | 186 * This is a custom implementation in case there is no compiler builtin |
| 175 * available. | 187 * available. |
| 176 * | 188 * |
| 177 * @param a first operand | 189 * @param a first operand |
| 178 * @param b second operand | 190 * @param b second operand |
| 179 * @param result a pointer to a size_t, where the result should | 191 * @param result a pointer to a size_t where the result should be stored |
| 180 * be stored | 192 * @return zero, if no overflow occurred and the result is correct, non-zero |
| 181 * @return zero, if no overflow occurred and the result is correct, non-zero | 193 * otherwise |
| 182 * otherwise | 194 */ |
| 183 */ | |
| 184 #define ucx_szmul(a, b, result) ucx_szmul_impl(a, b, result) | |
| 185 | |
| 186 int ucx_szmul_impl(size_t a, size_t b, size_t *result); | 195 int ucx_szmul_impl(size_t a, size_t b, size_t *result); |
| 187 | 196 |
| 188 #endif | 197 #endif |
| 189 | 198 |
| 190 #ifdef __cplusplus | 199 #ifdef __cplusplus |
