changes

1 files changed, 21 insertions, 0 deletions

diff --git a/src/files.zig b/src/files.zig
new file mode 100644
index 0000000..ed9e628
--- /dev/null
+++ b/src/files.zig
@@ -0,0 +1,21 @@
+const std = @import("std");
+
+const Allocator = std.mem.Allocator;
+
+pub fn resolvePath(allocator: Allocator, name: []const u8) ![]u8 {
+    return std.fs.cwd().realpathAlloc(allocator, name) catch |err| switch (err) {
+        error.FileNotFound => if (name.len == 0) {
+            return error.FileNotFound;
+        } else if (name[0] == std.fs.path.sep) {
+            // Already is an absolute path
+            return allocator.dupe(u8, name);
+        } else {
+            // TODO: if (name[0] == '~')
+            const cwd = try std.process.getCwdAlloc(allocator);
+            defer allocator.free(cwd);
+
+            return std.fmt.allocPrint(allocator, "{s}{s}{s}", .{cwd, std.fs.path.sep_str, name});
+        },
+        else => return err,
+    };
+}