摘自zabbix,STL模板,很经典
/* * vectorimpl.h * * Created on: 2017年1月22日 * Author: yangling */ #ifndef VECTORIMPL_H_ #define VECTORIMPL_H_ #define VECTOR_ARRAY_GROWTH_FACTOR 3/2 #define VECTOR_IMPL(__id, __type) \ \ void __vector_ ## __id ## _ensure_free_space(vector_ ## __id ## _t *vector)\ { \ if (NULL == vector->values) \ { \ vector->values_num = 0; \ vector->values_alloc = 32; \ vector->values = (__type *)vector->mem_malloc_func(NULL, vector->values_alloc * sizeof(__type)); \ } \ else if (vector->values_num == vector->values_alloc) \ { \ vector->values_alloc = MAX(vector->values_alloc + 1, vector->values_alloc * VECTOR_ARRAY_GROWTH_FACTOR); \ vector->values = (__type *)vector->mem_realloc_func(vector->values, vector->values_alloc * sizeof(__type)); \ } \ } \ \ void vector_ ## __id ## _create(vector_ ## __id ## _t *vector) \ { \ vector_ ## __id ## _create_ext(vector, \ DEFAULT_MEM_MALLOC_FUNC, \ DEFAULT_MEM_REALLOC_FUNC, \ DEFAULT_MEM_FREE_FUNC); \ } \ \ void vector_ ## __id ## _create_ext(vector_ ## __id ## _t *vector, \ mem_malloc_func_t mem_malloc_func, \ mem_realloc_func_t mem_realloc_func, \ mem_free_func_t mem_free_func) \ { \ vector->values = NULL; \ vector->values_num = 0; \ vector->values_alloc = 0; \ \ vector->mem_malloc_func = mem_malloc_func; \ vector->mem_realloc_func = mem_realloc_func; \ vector->mem_free_func = mem_free_func; \ } \ \ void vector_ ## __id ## _destroy(vector_ ## __id ## _t *vector) \ { \ if (NULL != vector->values) \ { \ vector->mem_free_func(vector->values); \ vector->values = NULL; \ vector->values_num = 0; \ vector->values_alloc = 0; \ } \ \ vector->mem_malloc_func = NULL; \ vector->mem_realloc_func = NULL; \ vector->mem_free_func = NULL; \ } \ \ void vector_ ## __id ## _append(vector_ ## __id ## _t *vector, __type value) \ { \ __vector_ ## __id ## _ensure_free_space(vector); \ vector->values[vector->values_num++] = value; \ } \ \ void vector_ ## __id ## _append_ptr(vector_ ## __id ## _t *vector, __type *value) \ { \ __vector_ ## __id ## _ensure_free_space(vector); \ vector->values[vector->values_num++] = *value; \ } \ \ void vector_ ## __id ## _append_vector(vector_ ## __id ## _t *vector, vector_ ## __id ## _t *src)\ { \ vector_ ## __id ## _reserve(vector, vector->values_num + src->values_num); \ memcpy(vector->values + vector->values_num, src->values, src->values_num * sizeof(__type)); \ vector->values_num = vector->values_num + src->values_num; \ } \ \ void vector_ ## __id ## _remove_noorder(vector_ ## __id ## _t *vector, int index) \ { \ if (!(0 <= index && index < vector->values_num)) \ { \ my_log_crit( "removing a non-existent element at index %d", index); \ exit(EXIT_FAILURE); \ } \ \ vector->values[index] = vector->values[--vector->values_num]; \ } \ \ void vector_ ## __id ## _remove(vector_ ## __id ## _t *vector, int index) \ { \ if (!(0 <= index && index < vector->values_num)) \ { \ my_log_crit( "removing a non-existent element at index %d", index); \ exit(EXIT_FAILURE); \ } \ \ vector->values_num--; \ memmove(&vector->values[index], &vector->values[index + 1], \ sizeof(__type) * (vector->values_num - index)); \ } \ \ void vector_ ## __id ## _sort(vector_ ## __id ## _t *vector, compare_func_t compare_func) \ { \ if (2 <= vector->values_num) \ qsort(vector->values, vector->values_num, sizeof(__type), compare_func); \ } \ \ void vector_ ## __id ## _uniq(vector_ ## __id ## _t *vector, compare_func_t compare_func) \ { \ if (2 <= vector->values_num) \ { \ int i, j = 1; \ \ for (i = 1; i < vector->values_num; i++) \ { \ if (0 != compare_func(&vector->values[i - 1], &vector->values[i])) \ vector->values[j++] = vector->values[i]; \ } \ \ vector->values_num = j; \ } \ } \ \ int vector_ ## __id ## _nearestindex(const vector_ ## __id ## _t *vector, const __type value, \ compare_func_t compare_func) \ { \ int lo = 0, hi = vector->values_num, mid, c; \ \ while (1 <= hi - lo) \ { \ mid = (lo + hi) / 2; \ \ c = compare_func(&vector->values[mid], &value); \ \ if (0 > c) \ { \ lo = mid + 1; \ } \ else if (0 == c) \ { \ return mid; \ } \ else \ hi = mid; \ } \ \ return hi; \ } \ \ int vector_ ## __id ## _bsearch(const vector_ ## __id ## _t *vector, const __type value, \ compare_func_t compare_func) \ { \ __type *ptr; \ \ ptr = (__type *)ext_bsearch(&value, vector->values, vector->values_num, sizeof(__type), compare_func); \ \ if (NULL != ptr) \ return (int)(ptr - vector->values); \ else \ return FAIL; \ } \ \ int vector_ ## __id ## _lsearch(const vector_ ## __id ## _t *vector, const __type value, int *index,\ compare_func_t compare_func) \ { \ while (*index < vector->values_num) \ { \ int c = compare_func(&vector->values[*index], &value); \ \ if (0 > c) \ { \ (*index)++; \ continue; \ } \ \ if (0 == c) \ return SUCCEED; \ \ if (0 < c) \ break; \ } \ \ return FAIL; \ } \ \ int vector_ ## __id ## _search(const vector_ ## __id ## _t *vector, const __type value, \ compare_func_t compare_func) \ { \ int index; \ \ for (index = 0; index < vector->values_num; index++) \ { \ if (0 == compare_func(&vector->values[index], &value)) \ return index; \ } \ \ return FAIL; \ } \ \ \ void vector_ ## __id ## _setdiff(vector_ ## __id ## _t *left, const vector_ ## __id ## _t *right,\ compare_func_t compare_func) \ { \ int c, block_start, deleted = 0, left_index = 0, right_index = 0; \ \ while (left_index < left->values_num && right_index < right->values_num) \ { \ c = compare_func(&left->values[left_index], &right->values[right_index]); \ \ if (0 >= c) \ left_index++; \ \ if (0 <= c) \ right_index++; \ \ if (0 != c) \ continue; \ \ if (0 < deleted++) \ { \ memmove(&left->values[block_start - deleted + 1], &left->values[block_start], \ (left_index - 1 - block_start) * sizeof(__type)); \ } \ \ block_start = left_index; \ } \ \ if (0 < deleted) \ { \ memmove(&left->values[block_start - deleted], &left->values[block_start], \ (left->values_num - block_start) * sizeof(__type)); \ left->values_num -= deleted; \ } \ } \ \ void vector_ ## __id ## _reserve(vector_ ## __id ## _t *vector, size_t size) \ { \ if ((int)size > vector->values_alloc) \ { \ vector->values_alloc = (int)size; \ vector->values =(__type *)vector->mem_realloc_func(vector->values, vector->values_alloc * sizeof(__type)); \ } \ } \ \ void vector_ ## __id ## _clear(vector_ ## __id ## _t *vector) \ { \ vector->values_num = 0; \ } \ #define PTR_VECTOR_IMPL(__id, __type) \ \ VECTOR_IMPL(__id, __type); \ \ void vector_ ## __id ## _clear_ext(vector_ ## __id ## _t *vector, clean_func_t clean_func) \ { \ if (0 != vector->values_num) \ { \ int index; \ \ for (index = 0; index < vector->values_num; index++) \ clean_func(vector->values[index]); \ \ vector->values_num = 0; \ } \ } #endif /* VECTORIMPL_H_ */用法:
VECTOR_IMPL(uint64, uint64_t); //VECTOR_IMPL(ptr_pair, ptr_pair_t); //VECTOR_IMPL(uint64_pair, uint64_pair_t); PTR_VECTOR_IMPL(str, char *);
