diff options
Diffstat (limited to 'src/config.zig')
| -rw-r--r-- | src/config.zig | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/src/config.zig b/src/config.zig index b6eb4520..cc46adfc 100644 --- a/src/config.zig +++ b/src/config.zig @@ -1148,8 +1148,18 @@ pub const Runtime = struct { if (percent > 100) return false; state.window_blur = percent; }, - // Bare, it returns to the default directory. - .dump_dir => if (!state.dump_dir.set(std.mem.trim(u8, argument orelse "", " \t\r\n"))) return false, + // Bare, it returns to the default directory. Else an absolute or + // `~` path, to a directory there or to be made, that may be + // written: a Dump there could never be, refused now. + .dump_dir => { + const text = std.mem.trim(u8, argument orelse "", " \t\r\n"); + if (text.len > 0) { + if (text[0] != '/' and text[0] != '~') return false; + var home_buf: [4096]u8 = undefined; + if (pardes.filesystem.deniedAbove(pardes.filesystem.expandHome(text, &home_buf))) return false; + } + if (!state.dump_dir.set(text)) return false; + }, .message_ms => |which| { const text = std.mem.trim(u8, argument orelse return false, " \t\r\n"); for (text) |byte| if (!std.ascii.isDigit(byte)) return false; @@ -1267,7 +1277,7 @@ pub const Runtime = struct { .tagline_size => std.fmt.comptimePrint("{d}-{d} (a percentage)", .{ tagline_percent_min, tagline_percent_max }), .message_ms => std.fmt.comptimePrint("0-{d} (milliseconds)", .{message_ms_max}), .shell => "a path of at most 255 bytes; bare, $SHELL, else /bin/sh", - .dump_dir => std.fmt.comptimePrint("a path of at most {d} bytes; bare, the default", .{limits.host_path_cap}), + .dump_dir => std.fmt.comptimePrint("an absolute or ~ path of at most {d} bytes, to a directory that may be written; bare, the default", .{limits.host_path_cap}), .shader => "a Shadertoy file's path, or off", .font => "a name or path, :8 to :72 after it (Mono:14)", else => null, |