| author |  daurnimator <quae@daurnimator.com> 2020-01-15 18:15:24+10:00 |
| committer |  Andrew Kelley <andrew@ziglang.org> 2020-03-03 13:25:43-05:00 |
| log | bfc569bc9877a4f305080bc6cde0e42fed7433e0 |
| tree | 63016c5c1469db9aa9f45edefe0685a639741d54 |
| parent | 627618a38d291d9cc76c8e30e33cad60dc26cf11 |
| signature | Commit is signed but in an unrecognized format. |
std: add os.fstatat
2 files changed, 24 insertions(+), 0 deletions(-)
lib/std/c.zig+1
| ... | ... | @@ -75,6 +75,7 @@ pub extern "c" fn isatty(fd: fd_t) c_int; |
| 75 | 75 | pub extern "c" fn close(fd: fd_t) c_int; |
| 76 | 76 | pub extern "c" fn fstat(fd: fd_t, buf: *Stat) c_int; |
| 77 | 77 | pub extern "c" fn @"fstat$INODE64"(fd: fd_t, buf: *Stat) c_int; |
| 78 | pub extern "c" fn fstatat(dirfd: fd_t, path: [*:0]const u8, stat_buf: *Stat, flags: u32) c_int; | |
| 78 | 79 | pub extern "c" fn lseek(fd: fd_t, offset: off_t, whence: c_int) off_t; |
| 79 | 80 | pub extern "c" fn open(path: [*:0]const u8, oflag: c_uint, ...) c_int; |
| 80 | 81 | pub extern "c" fn openat(fd: c_int, path: [*:0]const u8, oflag: c_uint, ...) c_int; |
lib/std/os.zig+23
| ... | ... | @@ -2371,6 +2371,29 @@ pub fn fstat(fd: fd_t) FStatError!Stat { |
| 2371 | 2371 | } |
| 2372 | 2372 | } |
| 2373 | 2373 | |
| 2374 | const FStatAtError = FStatError || error{NameTooLong}; | |
| 2375 | ||
| 2376 | pub fn fstatat(dirfd: fd_t, pathname: []const u8, flags: u32) FStatAtError![]Stat { | |
| 2377 | const pathname_c = try toPosixPath(pathname); | |
| 2378 | return fstatatC(dirfd, &pathname_c, flags); | |
| 2379 | } | |
| 2380 | ||
| 2381 | pub fn fstatatC(dirfd: fd_t, pathname: [*:0]const u8, flags: u32) FStatAtError!Stat { | |
| 2382 | var stat: Stat = undefined; | |
| 2383 | switch (errno(system.fstatat(dirfd, pathname, &stat, flags))) { | |
| 2384 | 0 => return stat, | |
| 2385 | EINVAL => unreachable, | |
| 2386 | EBADF => unreachable, // Always a race condition. | |
| 2387 | ENOMEM => return error.SystemResources, | |
| 2388 | EACCES => return error.AccessDenied, | |
| 2389 | EFAULT => unreachable, | |
| 2390 | ENAMETOOLONG => return error.NameTooLong, | |
| 2391 | ENOENT => return error.FileNotFound, | |
| 2392 | ENOTDIR => return error.FileNotFound, | |
| 2393 | else => |err| return unexpectedErrno(err), | |
| 2394 | } | |
| 2395 | } | |
| 2396 | ||
| 2374 | 2397 | pub const KQueueError = error{ |
| 2375 | 2398 | /// The per-process limit on the number of open file descriptors has been reached. |
| 2376 | 2399 | ProcessFdQuotaExceeded, |