From 2e8b474d4219e7faaac3823e73c8d528c2698a37 Mon Sep 17 00:00:00 2001
From: Anton Kling <anton@kling.gg>
Date: Thu, 14 Mar 2024 13:09:59 +0100
Subject: random changes made
---
kernel/arch/i386/mmu.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
(limited to 'kernel/arch')
diff --git a/kernel/arch/i386/mmu.c b/kernel/arch/i386/mmu.c
index 240c9ea..ad415a6 100644
--- a/kernel/arch/i386/mmu.c
+++ b/kernel/arch/i386/mmu.c
@@ -530,12 +530,12 @@ void move_stack(u32 new_stack_address, u32 size) {
// C strings have a unknown length so it does not makes sense to check
// for a size on the pointer. Instead we check whether the page it
// resides in is accessible to the user.
-void *is_valid_user_c_string(const char *ptr, size_t *size) {
+void *mmu_is_valid_user_c_string(const char *ptr, size_t *size) {
void *r = (void *)ptr;
size_t s = 0;
for (; ((u32)ptr - (u32)r) < 0x1000;) {
void *page = (void *)((uintptr_t)ptr & (uintptr_t)(~(PAGE_SIZE - 1)));
- if (!is_valid_userpointer(page, PAGE_SIZE)) {
+ if (!mmu_is_valid_userpointer(page, PAGE_SIZE)) {
return NULL;
}
if (!((uintptr_t)ptr & (PAGE_SIZE - 1))) {
@@ -556,7 +556,7 @@ void *is_valid_user_c_string(const char *ptr, size_t *size) {
return NULL;
}
-void *is_valid_userpointer(const void *ptr, size_t s) {
+void *mmu_is_valid_userpointer(const void *ptr, size_t s) {
uintptr_t t = (uintptr_t)ptr;
size_t num_pages = (uintptr_t)align_page((void *)s) / 0x1000;
for (size_t i = 0; i < num_pages; i++, t += 0x1000) {
--
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