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ooh okay diva

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This commit is contained in:
Lobo 2026-02-08 10:03:56 -03:00
parent 90175b7e26
commit 58ba150c93
17 changed files with 1122 additions and 94 deletions
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17
next/core/arena.c
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@ -2,25 +2,34 @@
#include <stdlib.h>
#include <string.h>
void growl_arena_init(GrowlGCArena *arena, size_t size) {
void growl_arena_init(GrowlArena *arena, size_t size) {
arena->start = arena->free = malloc(size);
if (arena->start == NULL)
abort();
arena->end = arena->start + size;
}
void growl_arena_free(GrowlGCArena *arena) {
void growl_arena_free(GrowlArena *arena) {
free(arena->start);
arena->start = arena->end = arena->free = NULL;
}
void *growl_arena_alloc(GrowlGCArena *arena, size_t size, size_t align,
void *growl_arena_alloc(GrowlArena *arena, size_t size, size_t align,
size_t count) {
ptrdiff_t padding = -(uintptr_t)arena->free & (align - 1);
ptrdiff_t available = arena->end - arena->free - padding;
if (available < 0 || count > available / size)
if (available < 0 || count > available / size) {
fprintf(stderr, "arena: out of memory :(");
abort();
}
void *p = arena->free + padding;
arena->free += padding + count * size;
return memset(p, 0, count * size);
}
char *growl_arena_strdup(GrowlArena *ar, const char *str) {
size_t len = strlen(str) + 1;
char *copy = growl_arena_new(ar, char, len);
memcpy(copy, str, len);
return copy;
}