Add getxattr()/setxattr()/listxattr()/removexattr() variations

Author: Alexander Polakov

libc-test/build.rs

@@ -104,6 +104,10 @@ fn main() {
         }
     }
 
+    if linux {
+        cfg.header("sys/xattr.h");
+    }
+
     if linux || android {
         cfg.header("netpacket/packet.h");
         cfg.header("net/ethernet.h");

src/unix/notbsd/linux/mod.rs

@@ -334,6 +334,30 @@ extern {
                            len: ::off_t) -> ::c_int;
     pub fn readahead(fd: ::c_int, offset: ::off64_t,
                      count: ::size_t) -> ::ssize_t;
+    pub fn getxattr(path: *const c_char, name: *const c_char,
+                    value: *mut ::c_void, size: ::size_t) -> ::ssize_t;
+    pub fn lgetxattr(path: *const c_char, name: *const c_char,
+                     value: *mut ::c_void, size: ::size_t) -> ::ssize_t;
+    pub fn fgetxattr(filedes: ::c_int, name: *const c_char,
+                     value: *mut ::c_void, size: ::size_t) -> ::ssize_t;
+    pub fn setxattr(path: *const c_char, name: *const c_char,
+                    value: *const ::c_void, size: ::size_t,
+                    flags: ::c_int) -> ::c_int;
+    pub fn lsetxattr(path: *const c_char, name: *const c_char,
+                     value: *const ::c_void, size: ::size_t,
+                     flags: ::c_int) -> ::c_int;
+    pub fn fsetxattr(filedes: ::c_int, name: *const c_char,
+                     value: *const ::c_void, size: ::size_t,
+                     flags: ::c_int) -> ::c_int;
+    pub fn listxattr(path: *const c_char, list: *mut c_char,
+                     size: ::size_t) -> ::ssize_t;
+    pub fn llistxattr(path: *const c_char, list: *mut c_char,
+                      size: ::size_t) -> ::ssize_t;
+    pub fn flistxattr(filedes: ::c_int, list: *mut c_char,
+                      size: ::size_t) -> ::ssize_t;
+    pub fn removexattr(path: *const c_char, name: *const c_char) -> ::c_int;
+    pub fn lremovexattr(path: *const c_char, name: *const c_char) -> ::c_int;
+    pub fn fremovexattr(filedes: ::c_int, name: *const c_char) -> ::c_int;
 }
 
 cfg_if! {