diff options
Diffstat (limited to 'ivec.c')
-rw-r--r-- | ivec.c | 76 |
1 files changed, 0 insertions, 76 deletions
@@ -1,76 +0,0 @@ -/* Copyright (C) 2025 Aryadev Chavali - - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS - * FOR A PARTICULAR PURPOSE. See the Unlicense for details. - - * You may distribute and modify this code under the terms of the Unlicense, - * which you should have received a copy of along with this program. If not, - * please go to <https://unlicense.org/>. - - * Created: 2025-08-19 - * Description: Inline Vector implementation - */ - -#include <malloc.h> -#include <string.h> - -#include "./alisp.h" - -void ivec_make(void **ptr, u64 size) -{ - if (!ptr) - return; - ivec_t *ivector = calloc(1, sizeof(*ivector) + size); - ivector->size = 0; - ivector->capacity = size; - *ptr = (ivector + 1); -} - -void ivec_free(void **data) -{ - if (!data || !*data) - return; - free(IVEC_GET(*data)); - *data = NULL; -} - -void ivec_ensure_free(void **ptr, u64 space) -{ - if (!ptr || !*ptr) - return; - ivec_t *ivec = IVEC_GET(*ptr); - if (ivec->capacity - ivec->size < space) - { - void *new_ivec = NULL; - ivec_make(&new_ivec, MAX(ivec->capacity * IVEC_MULT, ivec->size + space)); - IVEC_SIZE(new_ivec) = ivec->size; - memcpy(new_ivec, *ptr, ivec->size); - ivec_free(ptr); - *ptr = new_ivec; - } -} - -void ivec_append_byte(void **ptr, u8 byte) -{ - ivec_ensure_free(ptr, 1); - ivec_t *ivec = IVEC_GET(*ptr); - ivec->bytes[ivec->size++] = byte; -} - -void ivec_append(void **ptr, void *data, u64 size) -{ - ivec_ensure_free(ptr, size); - ivec_t *ivec = IVEC_GET(*ptr); - memcpy(*ptr + ivec->size, data, size); - ivec->size += size; -} - -void ivec_clone(void **dest, void **src) -{ - if (!dest || !src || !*src) - return; - ivec_make(dest, IVEC_SIZE(*src)); - memcpy(*dest, *src, IVEC_SIZE(*src)); - IVEC_SIZE(*dest) = IVEC_SIZE(*src); -} |