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Return 0, nil in all io cases where an empty slice is provided

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This commit is contained in:
Feoramund
2024-08-28 19:53:20 +02:00
committed by Laytan
parent ef99373c31
commit f453054aff
6 changed files with 44 additions and 1 deletions
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core/os/os2/file_linux.odin
+6
View File
@@ -201,6 +201,9 @@ _read :: proc(f: ^File_Impl, p: []byte) -> (i64, Error) {
}
_read_at :: proc(f: ^File_Impl, p: []byte, offset: i64) -> (i64, Error) {
if len(p) == 0 {
return 0, nil
}
if offset < 0 {
return 0, .Invalid_Offset
}
@@ -226,6 +229,9 @@ _write :: proc(f: ^File_Impl, p: []byte) -> (i64, Error) {
}
_write_at :: proc(f: ^File_Impl, p: []byte, offset: i64) -> (i64, Error) {
if len(p) == 0 {
return 0, nil
}
if offset < 0 {
return 0, .Invalid_Offset
}
core/os/os2/file_windows.odin
+5 -1
View File
@@ -266,6 +266,11 @@ _read :: proc(f: ^File_Impl, p: []byte) -> (n: i64, err: Error) {
}
_read_internal :: proc(f: ^File_Impl, p: []byte) -> (n: i64, err: Error) {
length := len(p)
if length == 0 {
return
}
read_console :: proc(handle: win32.HANDLE, b: []byte) -> (n: int, err: Error) {
if len(b) == 0 {
return 0, nil
@@ -320,7 +325,6 @@ _read_internal :: proc(f: ^File_Impl, p: []byte) -> (n: i64, err: Error) {
single_read_length: win32.DWORD
total_read: int
length := len(p)
sync.shared_guard(&f.rw_mutex) // multiple readers