mirror/zig
1
0
Fork 0
mirror of https://github.com/ziglang/zig.git synced 2026-02-21 08:45:52 +00:00
Code Issues Packages Projects Releases Wiki Activity

Factor out arbitrary constant 12 to AtomicFile.RANDOM_BYTES

Browse Source
This commit is contained in:
Jonathan S 2020-03-26 15:07:40 -05:00
parent a779a96d38
commit cf4cbea88e
1 changed files with 5 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
lib/std/fs.zig
View File

@ -63,7 +63,7 @@ pub fn atomicSymLink(allocator: *Allocator, existing_path: []const u8, new_path:
const dirname = path.dirname(new_path) orelse ".";
var rand_buf: [12]u8 = undefined;
var rand_buf: [AtomicFile.RANDOM_BYTES]u8 = undefined;
const tmp_path = try allocator.alloc(u8, dirname.len + 1 + base64.Base64Encoder.calcSize(rand_buf.len));
defer allocator.free(tmp_path);
mem.copy(u8, tmp_path[0..], dirname);
@ -128,13 +128,14 @@ pub const AtomicFile = struct {
const InitError = File.OpenError;
const TMP_PATH_LEN = base64.Base64Encoder.calcSize(12);
const RANDOM_BYTES = 12;
const TMP_PATH_LEN = base64.Base64Encoder.calcSize(RANDOM_BYTES);
/// TODO rename this. Callers should go through Dir API
pub fn init2(dest_path: []const u8, mode: File.Mode, dir: Dir, close_dir_on_deinit: bool) InitError!AtomicFile {
var rand_buf: [12]u8 = undefined;
var rand_buf: [RANDOM_BYTES]u8 = undefined;
var tmp_path_buf: [TMP_PATH_LEN:0]u8 = undefined;
tmp_path_buf[base64.Base64Encoder.calcSize(12)] = 0;
tmp_path_buf[base64.Base64Encoder.calcSize(RANDOM_BYTES)] = 0;
while (true) {
try crypto.randomBytes(rand_buf[0..]);