Update to zig 0.12.0 (#2)

src/cmd/detect.zig

@@ -2,7 +2,7 @@ const std = @import("std");
 const gpio = @import("gpio");
 
 pub fn main() !void {
-    var iter_dir = try std.fs.openIterableDirAbsolute("/dev", .{});
+    var iter_dir = try std.fs.openDirAbsolute("/dev", .{ .iterate = true });
     defer iter_dir.close();
 
     const stdout = std.io.getStdOut().writer();
@@ -11,7 +11,7 @@ pub fn main() !void {
     while (try iter.next()) |entry| {
         if (!hasPrefix(entry.name, "gpiochip")) continue;
 
-        const fl = try iter_dir.dir.openFile(entry.name, .{});
+        const fl = try iter_dir.openFile(entry.name, .{});
         var chip = try gpio.getChipByFd(fl.handle);
         defer chip.close(); // This will close the fd
 

src/cmd/get.zig

@@ -16,7 +16,7 @@ pub fn main() !void {
         return error.InsufficientArguments;
     }
 
-    var path: []const u8 = if (hasPrefix(args[1], "gpiochip"))
+    const path: []const u8 = if (hasPrefix(args[1], "gpiochip"))
         try std.mem.concat(alloc, u8, &.{ "/dev/", args[1] })
     else
         try std.mem.concat(alloc, u8, &.{ "/dev/gpiochip", args[1] });
@@ -32,7 +32,7 @@ pub fn main() !void {
     // Iterate over each argument starting from the second one
     for (args[2..args.len]) |argument| {
         // Parse each argument as an integer and add it to offsets
-        var offset = try std.fmt.parseUnsigned(u32, argument, 10);
+        const offset = try std.fmt.parseUnsigned(u32, argument, 10);
         try offsets.append(offset);
     }
 

src/cmd/info.zig

@@ -18,7 +18,7 @@ pub fn main() !void {
 
         // If the argument has the "gpiochip" prefix,
         // just use it unchanged. Otherwise, add the prefix.
-        var filename: []const u8 = if (hasGpiochip)
+        const filename: []const u8 = if (hasGpiochip)
             argument
         else
             try std.mem.concat(alloc, u8, &.{ "gpiochip", argument });

src/cmd/set.zig

@@ -16,7 +16,7 @@ pub fn main() !void {
         return error.InsufficientArguments;
     }
 
-    var path: []const u8 = if (hasPrefix(args[1], "gpiochip"))
+    const path: []const u8 = if (hasPrefix(args[1], "gpiochip"))
         try std.mem.concat(alloc, u8, &.{ "/dev/", args[1] })
     else
         try std.mem.concat(alloc, u8, &.{ "/dev/gpiochip", args[1] });
@@ -34,8 +34,8 @@ pub fn main() !void {
         // Get the index of the equals sign in the argument
         const eqIndex = std.mem.indexOf(u8, argument, "=") orelse return error.InvalidArgument;
         // Parse each argument's offset and value, and add it to the values map
-        var offset = try std.fmt.parseUnsigned(u32, argument[0..eqIndex], 10);
-        var value = try std.fmt.parseUnsigned(u1, argument[eqIndex + 1 .. argument.len], 10);
+        const offset = try std.fmt.parseUnsigned(u32, argument[0..eqIndex], 10);
+        const value = try std.fmt.parseUnsigned(u1, argument[eqIndex + 1 .. argument.len], 10);
         try values.put(offset, value != 0);
     }