ed/Odin
1
0
Fork 0
mirror of https://github.com/Ed94/Odin.git synced 2026-08-05 07:08:48 +00:00
Code Issues Packages Projects Releases Wiki Activity

Mark some uninitialized memory as safe

Browse Source 
Syscalls (but not C functions) are opaque to MemorySanitizer, thus some
memory addresses need to be manually marked as safe to access.
This commit is contained in:
Feoramund
2025-06-05 16:06:44 -04:00
parent 9c5640886d
commit f8228a91d1
6 changed files with 17 additions and 16 deletions
Download Patch File Download Diff File Expand all files Collapse all files
core/os/os_linux.odin
+4 -4
View File
@@ -674,7 +674,7 @@ seek :: proc(fd: Handle, offset: i64, whence: int) -> (i64, Error) {
return i64(res), nil
}
@(require_results)
@(require_results, no_sanitize_memory)
file_size :: proc(fd: Handle) -> (i64, Error) {
// deliberately uninitialized; the syscall fills this buffer for us
s: OS_Stat = ---
@@ -794,7 +794,7 @@ last_write_time_by_name :: proc(name: string) -> (time: File_Time, err: Error) {
return File_Time(modified), nil
}
@(private, require_results)
@(private, require_results, no_sanitize_memory)
_stat :: proc(path: string) -> (OS_Stat, Error) {
runtime.DEFAULT_TEMP_ALLOCATOR_TEMP_GUARD()
cstr := strings.clone_to_cstring(path, context.temp_allocator)
@@ -808,7 +808,7 @@ _stat :: proc(path: string) -> (OS_Stat, Error) {
return s, nil
}
@(private, require_results)
@(private, require_results, no_sanitize_memory)
_lstat :: proc(path: string) -> (OS_Stat, Error) {
runtime.DEFAULT_TEMP_ALLOCATOR_TEMP_GUARD()
cstr := strings.clone_to_cstring(path, context.temp_allocator)
@@ -822,7 +822,7 @@ _lstat :: proc(path: string) -> (OS_Stat, Error) {
return s, nil
}
@(private, require_results)
@(private, require_results, no_sanitize_memory)
_fstat :: proc(fd: Handle) -> (OS_Stat, Error) {
// deliberately uninitialized; the syscall fills this buffer for us
s: OS_Stat = ---