comparison: src/array_list.c
src/array_list.c
- changeset 985
- 68754c7de906
- parent 968
- b5814aac3a76
- child 986
- 38fa7e41194c
equal
deleted
inserted
replaced
| 984:e8f354a25ac8 | 985:68754c7de906 |
|---|---|
| 35 | 35 |
| 36 static void *cx_array_default_realloc( | 36 static void *cx_array_default_realloc( |
| 37 void *array, | 37 void *array, |
| 38 size_t capacity, | 38 size_t capacity, |
| 39 size_t elem_size, | 39 size_t elem_size, |
| 40 __attribute__((__unused__)) CxArrayReallocator *alloc | 40 cx_attr_unused CxArrayReallocator *alloc |
| 41 ) { | 41 ) { |
| 42 return realloc(array, capacity * elem_size); | 42 return realloc(array, capacity * elem_size); |
| 43 } | 43 } |
| 44 | 44 |
| 45 CxArrayReallocator cx_array_default_reallocator_impl = { | 45 CxArrayReallocator cx_array_default_reallocator_impl = { |
| 52 | 52 |
| 53 static void *cx_array_advanced_realloc( | 53 static void *cx_array_advanced_realloc( |
| 54 void *array, | 54 void *array, |
| 55 size_t capacity, | 55 size_t capacity, |
| 56 size_t elem_size, | 56 size_t elem_size, |
| 57 __attribute__((__unused__)) CxArrayReallocator *alloc | 57 cx_attr_unused CxArrayReallocator *alloc |
| 58 ) { | 58 ) { |
| 59 // retrieve the pointer to the actual allocator | 59 // retrieve the pointer to the actual allocator |
| 60 const CxAllocator *al = alloc->ptr1; | 60 const CxAllocator *al = alloc->ptr1; |
| 61 | 61 |
| 62 // check if the array is still located on the stack | 62 // check if the array is still located on the stack |
| 322 } | 322 } |
| 323 } | 323 } |
| 324 | 324 |
| 325 // report the largest upper bound | 325 // report the largest upper bound |
| 326 return result < 0 ? (pivot_index - 1) : pivot_index; | 326 return result < 0 ? (pivot_index - 1) : pivot_index; |
| 327 } | |
| 328 | |
| 329 size_t cx_array_binary_search( | |
| 330 const void *arr, | |
| 331 size_t size, | |
| 332 size_t elem_size, | |
| 333 const void *elem, | |
| 334 cx_compare_func cmp_func | |
| 335 ) { | |
| 336 size_t index = cx_array_binary_search_inf( | |
| 337 arr, size, elem_size, elem, cmp_func | |
| 338 ); | |
| 339 if (index < size && | |
| 340 cmp_func(((const char *) arr) + index * elem_size, elem) == 0) { | |
| 341 return index; | |
| 342 } else { | |
| 343 return size; | |
| 344 } | |
| 345 } | |
| 346 | |
| 347 size_t cx_array_binary_search_sup( | |
| 348 const void *arr, | |
| 349 size_t size, | |
| 350 size_t elem_size, | |
| 351 const void *elem, | |
| 352 cx_compare_func cmp_func | |
| 353 ) { | |
| 354 size_t inf = cx_array_binary_search_inf( | |
| 355 arr, size, elem_size, elem, cmp_func | |
| 356 ); | |
| 357 if (inf == size) { | |
| 358 // no infimum means, first element is supremum | |
| 359 return 0; | |
| 360 } else if (cmp_func(((const char *) arr) + inf * elem_size, elem) == 0) { | |
| 361 return inf; | |
| 362 } else { | |
| 363 return inf + 1; | |
| 364 } | |
| 327 } | 365 } |
| 328 | 366 |
| 329 #ifndef CX_ARRAY_SWAP_SBO_SIZE | 367 #ifndef CX_ARRAY_SWAP_SBO_SIZE |
| 330 #define CX_ARRAY_SWAP_SBO_SIZE 128 | 368 #define CX_ARRAY_SWAP_SBO_SIZE 128 |
| 331 #endif | 369 #endif |
