comparison: ucx/cx/common.h
ucx/cx/common.h
- changeset 21
- 5ea41679e15d
- parent 16
- 04c9f8d8f03b
- child 22
- 112b85020dc9
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replaced
| 20:6cfda23ae154 | 21:5ea41679e15d |
|---|---|
| 44 * | 44 * |
| 45 * <p> | 45 * <p> |
| 46 * Repositories:<br> | 46 * Repositories:<br> |
| 47 * <a href="https://sourceforge.net/p/ucx/code">https://sourceforge.net/p/ucx/code</a> | 47 * <a href="https://sourceforge.net/p/ucx/code">https://sourceforge.net/p/ucx/code</a> |
| 48 * - or - | 48 * - or - |
| 49 * <a href="https://develop.uap-core.de/hg/ucx">https://develop.uap-core.de/hg/ucx</a> | 49 * <a href="https://uap-core.de/hg/ucx">https://uap-core.de/hg/ucx</a> |
| 50 * </p> | 50 * </p> |
| 51 * | 51 * |
| 52 * <h2>LICENCE</h2> | 52 * <h2>LICENCE</h2> |
| 53 * | 53 * |
| 54 * Copyright 2021 Mike Becker, Olaf Wintermann All rights reserved. | 54 * Copyright 2021 Mike Becker, Olaf Wintermann All rights reserved. |
| 148 /** | 148 /** |
| 149 * The attributed function always returns freshly allocated memory. | 149 * The attributed function always returns freshly allocated memory. |
| 150 */ | 150 */ |
| 151 #define cx_attr_malloc __attribute__((__malloc__)) | 151 #define cx_attr_malloc __attribute__((__malloc__)) |
| 152 | 152 |
| 153 #ifndef __clang__ | 153 #if !defined(__clang__) && __GNUC__ >= 11 |
| 154 /** | 154 /** |
| 155 * The pointer returned by the attributed function is supposed to be freed | 155 * The pointer returned by the attributed function is supposed to be freed |
| 156 * by @p freefunc. | 156 * by @p freefunc. |
| 157 * | 157 * |
| 158 * @param freefunc the function that shall be used to free the memory | 158 * @param freefunc the function that shall be used to free the memory |
| 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 // --------------------------------------------------------------------------- |
