std.os.linux: Use faccessat2 syscall in faccessat().

alexrp · alexrp · commit 2527c82482a1 · 2025-04-11T21:17:35.000+02:00
Only the former has a flags parameter. It's only available in Linux 5.8+. Closes #16606.
diff --git a/lib/std/os/linux.zig b/lib/std/os/linux.zig
@@ -1149,7 +1149,7 @@ pub fn access(path: [*:0]const u8, mode: u32) usize {
 }
 
 pub fn faccessat(dirfd: i32, path: [*:0]const u8, mode: u32, flags: u32) usize {
-    return syscall4(.faccessat, @as(usize, @bitCast(@as(isize, dirfd))), @intFromPtr(path), mode, flags);
+    return syscall4(.faccessat2, @as(usize, @bitCast(@as(isize, dirfd))), @intFromPtr(path), mode, flags);
 }
 
 pub fn pipe(fd: *[2]i32) usize {

Original file line number	Diff line number	Diff line change
`@@ -1149,7 +1149,7 @@ pub fn access(path: [*:0]const u8, mode: u32) usize {`
`1149`	`1149`	`}`
`1150`	`1150`
`1151`	`1151`	`pub fn faccessat(dirfd: i32, path: [*:0]const u8, mode: u32, flags: u32) usize {`
`1152`		`- return syscall4(.faccessat, @as(usize, @bitCast(@as(isize, dirfd))), @intFromPtr(path), mode, flags);`
	`1152`	`+ return syscall4(.faccessat2, @as(usize, @bitCast(@as(isize, dirfd))), @intFromPtr(path), mode, flags);`
`1153`	`1153`	`}`
`1154`	`1154`
`1155`	`1155`	`pub fn pipe(fd: *[2]i32) usize {`