From 8f0c3d4697742fb64cb1af8ba28fa2bb6f99de5a Mon Sep 17 00:00:00 2001 From: Sadeep Madurange Date: Wed, 6 May 2026 17:46:49 +0800 Subject: Implemented tokenizer. --- wv_vec.c | 46 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 wv_vec.c (limited to 'wv_vec.c') diff --git a/wv_vec.c b/wv_vec.c new file mode 100644 index 0000000..1d1eaad --- /dev/null +++ b/wv_vec.c @@ -0,0 +1,46 @@ +#include + +#include "wv_vec.h" + +void wv_vec_init(struct wv_vec *v, size_t unit_size) +{ + v->data = NULL; + v->len = 0; + v->cap = 0; + v->unit_size = unit_size; +} + +void wv_vec_push(struct wv_vec *v, const void *item) +{ + if (v->len >= v->cap) { + v->cap = (v->cap == 0) ? 8 : v->cap * 2; + v->data = realloc(v->data, v->cap * v->unit_size); + } + void *target = (char *)v->data + (v->len * v->unit_size); + memcpy(target, item, v->unit_size); + v->len++; +} + +void *wv_vec_pop(struct wv_vec *v) +{ + if (v->len == 0) + return NULL; + + v->len--; + return (char *)v->data + (v->len * v->unit_size); +} + +void *wv_vec_last(struct wv_vec *v) +{ + if (v->len == 0) + return NULL; + return (char *)v->data + ((v->len - 1) * v->unit_size); +} + +void wv_vec_free(struct wv_vec *v) +{ + free(v->data); + v->data = NULL; + v->len = v->cap = 0; +} + -- cgit v1.2.3