diff options
Diffstat (limited to 'lib/std/Io/c_writer.zig')
| -rw-r--r-- | lib/std/Io/c_writer.zig | 44 |
1 files changed, 0 insertions, 44 deletions
diff --git a/lib/std/Io/c_writer.zig b/lib/std/Io/c_writer.zig deleted file mode 100644 index 30d0cabcf5..0000000000 --- a/lib/std/Io/c_writer.zig +++ /dev/null @@ -1,44 +0,0 @@ -const std = @import("../std.zig"); -const builtin = @import("builtin"); -const io = std.io; -const testing = std.testing; - -pub const CWriter = io.GenericWriter(*std.c.FILE, std.fs.File.WriteError, cWriterWrite); - -pub fn cWriter(c_file: *std.c.FILE) CWriter { - return .{ .context = c_file }; -} - -fn cWriterWrite(c_file: *std.c.FILE, bytes: []const u8) std.fs.File.WriteError!usize { - const amt_written = std.c.fwrite(bytes.ptr, 1, bytes.len, c_file); - if (amt_written >= 0) return amt_written; - switch (@as(std.c.E, @enumFromInt(std.c._errno().*))) { - .SUCCESS => unreachable, - .INVAL => unreachable, - .FAULT => unreachable, - .AGAIN => unreachable, // this is a blocking API - .BADF => unreachable, // always a race condition - .DESTADDRREQ => unreachable, // connect was never called - .DQUOT => return error.DiskQuota, - .FBIG => return error.FileTooBig, - .IO => return error.InputOutput, - .NOSPC => return error.NoSpaceLeft, - .PERM => return error.PermissionDenied, - .PIPE => return error.BrokenPipe, - else => |err| return std.posix.unexpectedErrno(err), - } -} - -test cWriter { - if (!builtin.link_libc or builtin.os.tag == .wasi) return error.SkipZigTest; - - const filename = "tmp_io_test_file.txt"; - const out_file = std.c.fopen(filename, "w") orelse return error.UnableToOpenTestFile; - defer { - _ = std.c.fclose(out_file); - std.fs.cwd().deleteFileZ(filename) catch {}; - } - - const writer = cWriter(out_file); - try writer.print("hi: {}\n", .{@as(i32, 123)}); -} |
