comparison: src/cx/common.h
src/cx/common.h
- changeset 1301
- f81d8b4f40c4
- parent 1235
- 3e058f5ba5dc
equal
deleted
inserted
replaced
| 1300:fcb149ee60ff | 1301:f81d8b4f40c4 |
|---|---|
| 238 * Takes one or two arguments: the index of the pointer and (optionally) the | 238 * Takes one or two arguments: the index of the pointer and (optionally) the |
| 239 * index of another argument specifying the maximum number of accessed bytes. | 239 * index of another argument specifying the maximum number of accessed bytes. |
| 240 */ | 240 */ |
| 241 #define cx_attr_access_w(...) cx_attr_access(__write_only__, __VA_ARGS__) | 241 #define cx_attr_access_w(...) cx_attr_access(__write_only__, __VA_ARGS__) |
| 242 | 242 |
| 243 #if __STDC_VERSION__ >= 202300L | |
| 244 | |
| 245 /** | 243 /** |
| 246 * Do not warn about unused variable. | 244 * Do not warn about unused variable. |
| 247 */ | 245 */ |
| 248 #define cx_attr_unused [[maybe_unused]] | 246 #define cx_attr_unused __attribute__((__unused__)) |
| 249 | 247 |
| 250 /** | 248 /** |
| 251 * Warn about discarded return value. | 249 * Warn about discarded return value. |
| 252 */ | 250 */ |
| 253 #define cx_attr_nodiscard [[nodiscard]] | |
| 254 | |
| 255 #else // no C23 | |
| 256 | |
| 257 /** | |
| 258 * Do not warn about unused variable. | |
| 259 */ | |
| 260 #define cx_attr_unused __attribute__((__unused__)) | |
| 261 | |
| 262 /** | |
| 263 * Warn about discarded return value. | |
| 264 */ | |
| 265 #define cx_attr_nodiscard __attribute__((__warn_unused_result__)) | 251 #define cx_attr_nodiscard __attribute__((__warn_unused_result__)) |
| 266 | |
| 267 #endif // __STDC_VERSION__ | |
| 268 | 252 |
| 269 | 253 |
| 270 // --------------------------------------------------------------------------- | 254 // --------------------------------------------------------------------------- |
| 271 // MSVC specifics | 255 // MSVC specifics |
| 272 // --------------------------------------------------------------------------- | 256 // --------------------------------------------------------------------------- |
