| 192 * @see cx_reallocatearray() |
192 * @see cx_reallocatearray() |
| 193 */ |
193 */ |
| 194 #define cx_reallocate(mem, n) cx_reallocate_((void**)(mem), n) |
194 #define cx_reallocate(mem, n) cx_reallocate_((void**)(mem), n) |
| 195 |
195 |
| 196 /** |
196 /** |
| 197 * Re-allocate a previously allocated block and changes the pointer in-place, |
197 * Reallocate a previously allocated block and changes the pointer in-place, |
| 198 * if necessary. |
198 * if necessary. |
| 199 * |
199 * |
| 200 * The size is calculated by multiplying @p nemb and @p size. |
200 * The size is calculated by multiplying @p nemb and @p size. |
| 201 * |
201 * |
| 202 * @par Error handling |
202 * @par Error handling |
| 244 const CxAllocator *allocator, |
244 const CxAllocator *allocator, |
| 245 size_t n |
245 size_t n |
| 246 ); |
246 ); |
| 247 |
247 |
| 248 /** |
248 /** |
| 249 * Re-allocate the previously allocated block in @p mem, making the new block |
249 * Reallocate the previously allocated block in @p mem, making the new block |
| 250 * @p n bytes long. |
250 * @p n bytes long. |
| 251 * This function may return the same pointer that was passed to it, if moving |
251 * This function may return the same pointer that was passed to it, if moving |
| 252 * the memory was not necessary. |
252 * the memory was not necessary. |
| 253 * |
253 * |
| 254 * @note Re-allocating a block allocated by a different allocator is undefined. |
254 * @note Re-allocating a block allocated by a different allocator is undefined. |
| 255 * |
255 * |
| 256 * @param allocator the allocator |
256 * @param allocator the allocator |
| 257 * @param mem pointer to the previously allocated block |
257 * @param mem pointer to the previously allocated block |
| 258 * @param n the new size in bytes |
258 * @param n the new size in bytes |
| 259 * @return a pointer to the re-allocated memory |
259 * @return a pointer to the reallocated memory |
| 260 */ |
260 */ |
| 261 cx_attr_nodiscard |
261 cx_attr_nodiscard |
| 262 cx_attr_nonnull_arg(1) |
262 cx_attr_nonnull_arg(1) |
| 263 cx_attr_dealloc_ucx |
263 cx_attr_dealloc_ucx |
| 264 cx_attr_allocsize(3) |
264 cx_attr_allocsize(3) |
| 268 void *mem, |
268 void *mem, |
| 269 size_t n |
269 size_t n |
| 270 ); |
270 ); |
| 271 |
271 |
| 272 /** |
272 /** |
| 273 * Re-allocate the previously allocated block in @p mem, making the new block |
273 * Reallocate the previously allocated block in @p mem, making the new block |
| 274 * @p n bytes long. |
274 * @p n bytes long. |
| 275 * This function may return the same pointer that was passed to it, if moving |
275 * This function may return the same pointer that was passed to it, if moving |
| 276 * the memory was not necessary. |
276 * the memory was not necessary. |
| 277 * |
277 * |
| 278 * The size is calculated by multiplying @p nemb and @p size. |
278 * The size is calculated by multiplying @p nemb and @p size. |
| 283 * |
283 * |
| 284 * @param allocator the allocator |
284 * @param allocator the allocator |
| 285 * @param mem pointer to the previously allocated block |
285 * @param mem pointer to the previously allocated block |
| 286 * @param nmemb the number of elements |
286 * @param nmemb the number of elements |
| 287 * @param size the size of each element |
287 * @param size the size of each element |
| 288 * @return a pointer to the re-allocated memory |
288 * @return a pointer to the reallocated memory |
| 289 */ |
289 */ |
| 290 cx_attr_nodiscard |
290 cx_attr_nodiscard |
| 291 cx_attr_nonnull_arg(1) |
291 cx_attr_nonnull_arg(1) |
| 292 cx_attr_dealloc_ucx |
292 cx_attr_dealloc_ucx |
| 293 cx_attr_allocsize(3, 4) |
293 cx_attr_allocsize(3, 4) |
| 342 */ |
342 */ |
| 343 #define cxReallocate(allocator, mem, n) \ |
343 #define cxReallocate(allocator, mem, n) \ |
| 344 cxReallocate_(allocator, (void**)(mem), n) |
344 cxReallocate_(allocator, (void**)(mem), n) |
| 345 |
345 |
| 346 /** |
346 /** |
| 347 * Re-allocate a previously allocated block and changes the pointer in-place, |
347 * Reallocate a previously allocated block and changes the pointer in-place, |
| 348 * if necessary. |
348 * if necessary. |
| 349 * This function acts like cxReallocArray() using the pointer pointed to |
349 * This function acts like cxReallocArray() using the pointer pointed to |
| 350 * by @p mem. |
350 * by @p mem. |
| 351 * |
351 * |
| 352 * @note Re-allocating a block allocated by a different allocator is undefined. |
352 * @note Re-allocating a block allocated by a different allocator is undefined. |