specifying config.yaml path as CLI arg

2 files changed, 7 insertions, 2 deletions

diff --git a/src/gl.zig b/src/gl.zig
index ce90506..3e2c917 100644
--- a/src/gl.zig
+++ b/src/gl.zig
@@ -170,7 +170,7 @@ const CachedUniform = struct {
     value: UniformValue,
     location: c.GLint,
 
-    pub fn init(shader: ShaderProgram, name: [*]const u8) !CachedUniform {
+    pub fn init(allocator: std.mem.Allocator, shader: ShaderProgram, name: [*]const u8) !CachedUniform {
         var index: c.GLuint = undefined;
 
         c.glGetUniformIndices(shader.program_id, 1, &name, &index);
diff --git a/src/main.zig b/src/main.zig
index 1c76c61..94ccab9 100644
--- a/src/main.zig
+++ b/src/main.zig
@@ -2,6 +2,7 @@ const std = @import("std");
 const fs = std.fs;
 const debug = std.debug;
 const panic = debug.panic;
+const process = std.process;
 const c = @import("c.zig");
 const debug_gl = @import("debug_gl.zig");
 const cfg = @import("config.zig");
@@ -20,7 +21,11 @@ pub fn main() !void {
     var arena = std.heap.ArenaAllocator.init(std.heap.page_allocator);
     defer arena.deinit();
 
-    var config = try cfg.Config.parse(&arena.allocator(), "config.yaml");
+    var args = process.args();
+    _ = args.next();
+
+    const filename = args.next() orelse "config.yaml";
+    var config = try cfg.Config.parse(&arena.allocator(), filename);
 
     _ = c.glfwSetErrorCallback(errorCallback);