From ac57e32a0222a3f18e138f0a358d1d01921be3a0 Mon Sep 17 00:00:00 2001 From: Aryadev Chavali Date: Mon, 23 Oct 2023 04:24:28 +0100 Subject: Added lib folder for general stuff, introduced as target to Makefile --- vm/darr.c | 77 --------------------------------------------------------------- 1 file changed, 77 deletions(-) delete mode 100644 vm/darr.c (limited to 'vm/darr.c') diff --git a/vm/darr.c b/vm/darr.c deleted file mode 100644 index 4393c4b..0000000 --- a/vm/darr.c +++ /dev/null @@ -1,77 +0,0 @@ -/* Copyright (C) 2023 Aryadev Chavali - - * You may distribute and modify this code under the terms of the - * GPLv2 license. You should have received a copy of the GPLv2 - * license with this file. If not, please write to: - * aryadev@aryadevchavali.com. - - * Created: 2023-10-15 - * Author: Aryadev Chavali - * Description: Dynamically sized byte array - */ - -#include -#include -#include - -#include "./darr.h" - -void darr_init(darr_t *darr, size_t size) -{ - if (size == 0) - size = DARR_DEFAULT_SIZE; - *darr = (darr_t){ - .data = calloc(size, 1), - .used = 0, - .available = size, - }; -} - -void darr_ensure_capacity(darr_t *darr, size_t requested) -{ - if (darr->used + requested >= darr->available) - { - darr->available = - MAX(darr->used + requested, darr->available * DARR_REALLOC_MULT); - darr->data = realloc(darr->data, darr->available); - } -} - -void darr_append_byte(darr_t *darr, byte byte) -{ - darr_ensure_capacity(darr, 1); - darr->data[darr->used++] = byte; -} - -void darr_append_bytes(darr_t *darr, byte *bytes, size_t n) -{ - darr_ensure_capacity(darr, n); - memcpy(darr->data + darr->used, bytes, n); - darr->used += n; -} - -byte darr_at(darr_t *darr, size_t index) -{ - if (index >= darr->used) - // TODO: Error (index is out of bounds) - return 0; - return darr->data[index]; -} - -void darr_write_file(darr_t *bytes, FILE *fp) -{ - size_t size = fwrite(bytes->data, bytes->used, 1, fp); - assert(size == 1); -} - -darr_t darr_read_file(FILE *fp) -{ - darr_t darr = {0}; - fseek(fp, 0, SEEK_END); - long size = ftell(fp); - darr_init(&darr, size); - fseek(fp, 0, SEEK_SET); - size_t read = fread(darr.data, size, 1, fp); - assert(read == 1); - return darr; -} -- cgit v1.2.3-13-gbd6f