diff options
| -rw-r--r-- | doc/river.1.scd | 7 | ||||
| -rw-r--r-- | river/main.zig | 19 |
2 files changed, 22 insertions, 4 deletions
diff --git a/doc/river.1.scd b/doc/river.1.scd index bc04b06..932273f 100644 --- a/doc/river.1.scd +++ b/doc/river.1.scd @@ -5,7 +5,7 @@ river - dynamic tiling Wayland compositor # SYNOPSIS -*river* [*-c* _shell_command_] +*river* [*-c* _shell_command_] [*-l* _log_level_] # DESCRIPTION @@ -20,6 +20,11 @@ bspwm based on wlroots and written in Zig. *riverctl*(1) and autostart programs. Make sure the script is executable. +*-l* _log_level_ + Set the log level of river to a value from 0 to 7 with 0 being the + least verbose and 7 being the most verbose. The default log level of + release-safe builds is 5. + # CONFIGURATION View border width, gap sizes, and programs which should float are diff --git a/river/main.zig b/river/main.zig index 2275efe..0060f8a 100644 --- a/river/main.zig +++ b/river/main.zig @@ -28,6 +28,7 @@ const usage: []const u8 = \\ \\ -h Print this help message and exit. \\ -c <command> Run `sh -c <command>` on startup. + \\ -l <level> Set the log level to a value from 0 to 7. \\ ; @@ -46,9 +47,15 @@ pub fn main() !void { if (it.nextPosix()) |command| { startup_command = command; } else { - const stderr = std.io.getStdErr().outStream(); - try stderr.print("Error: flag '-c' requires exactly one argument\n", .{}); - std.os.exit(1); + printErrorExit("Error: flag '-c' requires exactly one argument", .{}); + } + } else if (std.mem.eql(u8, arg, "-l")) { + if (it.nextPosix()) |level_str| { + const level = std.fmt.parseInt(u3, level_str, 10) catch + printErrorExit("Error: invalid log level '{}'", .{level_str}); + log.level = @intToEnum(log.Level, level); + } else { + printErrorExit("Error: flag '-l' requires exactly one argument", .{}); } } else { const stderr = std.io.getStdErr().outStream(); @@ -81,3 +88,9 @@ pub fn main() !void { log.info(.server, "shutting down", .{}); } + +fn printErrorExit(comptime format: []const u8, args: var) noreturn { + const stderr = std.io.getStdErr().outStream(); + stderr.print(format ++ "\n", args) catch std.os.exit(1); + std.os.exit(1); +} |