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fs tests: Test multiple different path types in most tests

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(which path types will depend on which the target supports)
This commit is contained in:
Ryan Liptak 2023-08-17 00:58:44 -07:00
parent 3819e69376
commit 8f5f1ff25a
2 changed files with 529 additions and 367 deletions
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869
lib/std/fs/test.zig
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27
lib/std/os.zig
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@ -5169,11 +5169,30 @@ pub fn realpathW(pathname: []const u16, out_buffer: *[MAX_PATH_BYTES]u8) RealPat
return getFdPath(h_file, out_buffer);
}
pub fn isGetFdPathSupportedOnTarget(os: std.Target.Os) bool {
return switch (os.tag) {
// zig fmt: off
.windows,
.macos, .ios, .watchos, .tvos,
.linux,
.solaris,
.freebsd,
=> true,
// zig fmt: on
.dragonfly => os.version_range.semver.max.order(.{ .major = 6, .minor = 0, .patch = 0 }) != .lt,
.netbsd => os.version_range.semver.max.order(.{ .major = 10, .minor = 0, .patch = 0 }) != .lt,
else => false,
};
}
/// Return canonical path of handle `fd`.
/// This function is very host-specific and is not universally supported by all hosts.
/// For example, while it generally works on Linux, macOS, FreeBSD or Windows, it is
/// unsupported on WASI.
pub fn getFdPath(fd: fd_t, out_buffer: *[MAX_PATH_BYTES]u8) RealPathError![]u8 {
if (!comptime isGetFdPathSupportedOnTarget(builtin.os)) {
@compileError("querying for canonical path of a handle is unsupported on this host");
}
switch (builtin.os.tag) {
.windows => {
var wide_buf: [windows.PATH_MAX_WIDE]u16 = undefined;
@ -5276,9 +5295,6 @@ pub fn getFdPath(fd: fd_t, out_buffer: *[MAX_PATH_BYTES]u8) RealPathError![]u8 {
}
},
.dragonfly => {
if (comptime builtin.os.version_range.semver.max.order(.{ .major = 6, .minor = 0, .patch = 0 }) == .lt) {
@compileError("querying for canonical path of a handle is unsupported on this host");
}
@memset(out_buffer[0..MAX_PATH_BYTES], 0);
switch (errno(system.fcntl(fd, F.GETPATH, out_buffer))) {
.SUCCESS => {},
@ -5290,9 +5306,6 @@ pub fn getFdPath(fd: fd_t, out_buffer: *[MAX_PATH_BYTES]u8) RealPathError![]u8 {
return out_buffer[0..len];
},
.netbsd => {
if (comptime builtin.os.version_range.semver.max.order(.{ .major = 10, .minor = 0, .patch = 0 }) == .lt) {
@compileError("querying for canonical path of a handle is unsupported on this host");
}
@memset(out_buffer[0..MAX_PATH_BYTES], 0);
switch (errno(system.fcntl(fd, F.GETPATH, out_buffer))) {
.SUCCESS => {},
@ -5306,7 +5319,7 @@ pub fn getFdPath(fd: fd_t, out_buffer: *[MAX_PATH_BYTES]u8) RealPathError![]u8 {
const len = mem.indexOfScalar(u8, out_buffer[0..], @as(u8, 0)) orelse MAX_PATH_BYTES;
return out_buffer[0..len];
},
else => @compileError("querying for canonical path of a handle is unsupported on this host"),
else => unreachable, // made unreachable by isGetFdPathSupportedOnTarget above
}
}