Commit b375f6e027a159616e80906aa05e253fbe8cc9df | zig

author	Christine Dodrill <me@christine.website> 2019-12-11 18:37:52-05:00
committer	Andrew Kelley <andrew@ziglang.org> 2019-12-11 18:37:52-05:00
log	b375f6e027a159616e80906aa05e253fbe8cc9df
tree	79343dbd3e23733b86811f0c79a72c2032f6c4dc
parent	7c1dbfab724291b492be5e64fd93ec14e48b202c

lib/std/io: let the bring-your-own OS package handle stdio (#3887)

1 files changed, 35 insertions(+), 8 deletions(-)

lib
- std
  - io.zig

lib/std/io.zig+35-8

...	@@ -34,25 +34,52 @@ else	...	@@ -34,25 +34,52 @@ else
34	Mode.blocking;	34	Mode.blocking;
35	pub const is_async = mode != .blocking;	35	pub const is_async = mode != .blocking;
36		36
		37	fn getStdOutHandle() os.fd_t {
		38	if (builtin.os == .windows) {
		39	return os.windows.peb().ProcessParameters.hStdOutput;
		40	}
		41
		42	if (@hasDecl(root, "os") and @hasDecl(root.os, "io") and @hasDecl(root.os.io, "getStdOutHandle")) {
		43	return root.os.io.getStdOutHandle();
		44	}
		45
		46	return os.STDOUT_FILENO;
		47	}
		48
37	pub fn getStdOut() File {	49	pub fn getStdOut() File {
		50	return File.openHandle(getStdOutHandle());
		51	}
		52
		53	fn getStdErrHandle() os.fd_t {
38	if (builtin.os == .windows) {	54	if (builtin.os == .windows) {
39	return File.openHandle(os.windows.peb().ProcessParameters.hStdOutput);	55	return os.windows.peb().ProcessParameters.hStdError;
40	}	56	}
41	return File.openHandle(os.STDOUT_FILENO);	57
		58	if (@hasDecl(root, "os") and @hasDecl(root.os, "io") and @hasDecl(root.os.io, "getStdErrHandle")) {
		59	return root.os.io.getStdErrHandle();
		60	}
		61
		62	return os.STDERR_FILENO;
42	}	63	}
43		64
44	pub fn getStdErr() File {	65	pub fn getStdErr() File {
		66	return File.openHandle(getStdErrHandle());
		67	}
		68
		69	fn getStdInHandle() os.fd_t {
45	if (builtin.os == .windows) {	70	if (builtin.os == .windows) {
46	return File.openHandle(os.windows.peb().ProcessParameters.hStdError);	71	return os.windows.peb().ProcessParameters.hStdInput;
47	}	72	}
48	return File.openHandle(os.STDERR_FILENO);	73
		74	if (@hasDecl(root, "os") and @hasDecl(root.os, "io") and @hasDecl(root.os.io, "getStdInHandle")) {
		75	return root.os.io.getStdInHandle();
		76	}
		77
		78	return os.STDIN_FILENO;
49	}	79	}
50		80
51	pub fn getStdIn() File {	81	pub fn getStdIn() File {
52	if (builtin.os == .windows) {	82	return File.openHandle(getStdInHandle());
53	return File.openHandle(os.windows.peb().ProcessParameters.hStdInput);
54	}
55	return File.openHandle(os.STDIN_FILENO);
56	}	83	}
57		84
58	pub const SeekableStream = @import("io/seekable_stream.zig").SeekableStream;	85	pub const SeekableStream = @import("io/seekable_stream.zig").SeekableStream;