getFreeDiskSpace: Make compilable for Windows.

1 files changed, 13 insertions, 2 deletions

diff --git a/src/eval.zig b/src/eval.zig
index 88c27b7..daf2d38 100644
--- a/src/eval.zig
+++ b/src/eval.zig
@@ -4,10 +4,13 @@ const ArrayList = std.ArrayList;
 const Allocator = std.mem.Allocator;
 const Thread = std.Thread;
 const Mutex = std.Thread.Mutex;
+
 const c = @cImport({
-    @cInclude("sys/statvfs.h");
     @cInclude("errno.h");
     @cInclude("stdio.h");
+    if (@import("builtin").os.tag != .windows) {
+        @cInclude("sys/statvfs.h");
+    }
 });
 
 const syntax = @import("syntax.zig");
@@ -307,6 +310,7 @@ fn executeCommandWithOutput(command: Command, allocator: Allocator, output_captu
                     defer allocator.free(path);
                     const bytes_free = getFreeDiskSpace(path) catch |err| switch (err) {
                         error.AccessDenied => 0,
+                        error.NotImplemented => 0,
                     };
 
                     try output_buffer.writer().print("        {d} File(s) {d:>14} bytes\n", .{ file_count, total_file_bytes });
@@ -1087,11 +1091,18 @@ fn isLeapYear(year: u32) bool {
     return (year % 4 == 0 and year % 100 != 0) or (year % 400 == 0);
 }
 
-fn getFreeDiskSpace(path: []const u8) !u64 {
+const GetFreeDiskSpaceError = error{ NotImplemented, AccessDenied };
+
+fn getFreeDiskSpace(path: []const u8) GetFreeDiskSpaceError!u64 {
+    if (@import("builtin").os.tag == .windows) {
+        return error.NotImplemented;
+    }
+
     var stat: c.struct_statvfs = undefined;
     if (c.statvfs(path.ptr, &stat) != 0) {
         _ = c.perror("statvfs");
         return error.AccessDenied;
     }
+
     return stat.f_bsize * stat.f_bfree;
 }