kernel: all string parameters now take a corresponding length parameter

This commit is contained in:
2026-02-19 19:07:55 +00:00
parent 291a5f677e
commit 2f413c603d
5 changed files with 56 additions and 32 deletions

View File

@@ -70,15 +70,16 @@ enum vm_page_order vm_object_global_page_order(void)
struct vm_object *vm_object_create(
const char *name,
size_t len,
enum vm_prot prot)
size_t name_len,
size_t data_len,
vm_prot_t prot)
{
size_t page_bytes = VM_PAGE_SIZE;
uintptr_t page_mask = page_bytes - 1;
if (len & page_mask) {
len &= ~page_mask;
len += page_bytes;
if (data_len & page_mask) {
data_len &= ~page_mask;
data_len += page_bytes;
}
struct object *obj = object_create(&vm_object_type);
@@ -88,12 +89,13 @@ struct vm_object *vm_object_create(
struct vm_object *out = VM_OBJECT_CAST(obj);
out->vo_size = len;
out->vo_size = data_len;
out->vo_prot = prot;
if (name) {
strncpy(out->vo_name, name, sizeof out->vo_name);
out->vo_name[sizeof out->vo_name - 1] = '\0';
if (name && name_len) {
name_len = MIN(sizeof out->vo_name - 1, name_len);
memcpy(out->vo_name, name, name_len);
out->vo_name[name_len] = '\0';
}
return out;
@@ -101,11 +103,13 @@ struct vm_object *vm_object_create(
extern struct vm_object *vm_object_create_in_place(
const char *name,
size_t name_len,
phys_addr_t base,
size_t len,
enum vm_prot prot)
size_t data_len,
vm_prot_t prot)
{
struct vm_object *vmo = vm_object_create(name, len, prot);
struct vm_object *vmo
= vm_object_create(name, name_len, data_len, prot);
if (!vmo) {
return NULL;
}