Add Android uinput bindings

libc-test/build.rs

@@ -1627,6 +1627,7 @@ fn test_android(target: &str) {
                 "linux/seccomp.h",
                 "linux/sched.h",
                 "linux/sockios.h",
+                "linux/uinput.h",
                 "linux/vm_sockets.h",
                 "linux/wait.h",
 
@@ -1663,6 +1664,17 @@ fn test_android(target: &str) {
             s if s.ends_with("_nsec") && struct_.starts_with("stat") => s.to_string(),
             // FIXME: appears that `epoll_event.data` is an union
             "u64" if struct_ == "epoll_event" => "data.u64".to_string(),
+            // The following structs have a field called `type` in C,
+            // but `type` is a Rust keyword, so these fields are translated
+            // to `type_` in Rust.
+            "type_"
+                if struct_ == "input_event"
+                    || struct_ == "input_mask"
+                    || struct_ == "ff_effect" =>
+            {
+                "type".to_string()
+            }
+
             s => s.to_string(),
         }
     });
@@ -1792,6 +1804,8 @@ fn test_android(target: &str) {
         (struct_ == "ifaddrs" && field == "ifa_ifu") ||
         // sigval is actually a union, but we pretend it's a struct
         (struct_ == "sigevent" && field == "sigev_value") ||
+        // this one is an anonymous union
+        (struct_ == "ff_effect" && field == "u") ||
         // FIXME: `sa_sigaction` has type `sighandler_t` but that type is
         // incorrect, see: https://github.com/rust-lang/libc/issues/1359
         (struct_ == "sigaction" && field == "sa_sigaction") ||

libc-test/semver/android.txt

@@ -1,3 +1,5 @@
+ABS_CNT
+ABS_MAX
 ADDR_COMPAT_LAYOUT
 ADDR_LIMIT_32BIT
 ADDR_LIMIT_3GB
@@ -568,6 +570,8 @@ ETXTBSY
 EUCLEAN
 EUNATCH
 EUSERS
+EV_CNT
+EV_MAX
 EWOULDBLOCK
 EXDEV
 EXFULL
@@ -595,6 +599,8 @@ FD_ZERO
 FF0
 FF1
 FFDLY
+FF_CNT
+FF_MAX
 FILE
 FILENAME_MAX
 FIOCLEX
@@ -786,6 +792,8 @@ INADDR_LOOPBACK
 INADDR_NONE
 INLCR
 INPCK
+INPUT_PROP_CNT
+INPUT_PROP_MAX
 INT_MAX
 INT_MIN
 IN_ACCESS
@@ -1020,6 +1028,8 @@ IXANY
 IXOFF
 IXON
 JFFS2_SUPER_MAGIC
+KEY_CNT
+KEY_MAX
 LC_ADDRESS
 LC_ADDRESS_MASK
 LC_ALL
@@ -1046,6 +1056,8 @@ LC_TELEPHONE
 LC_TELEPHONE_MASK
 LC_TIME
 LC_TIME_MASK
+LED_CNT
+LED_MAX
 LINUX_REBOOT_CMD_CAD_OFF
 LINUX_REBOOT_CMD_CAD_ON
 LINUX_REBOOT_CMD_HALT
@@ -1170,6 +1182,8 @@ MPOL_F_STATIC_NODES
 MPOL_INTERLEAVE
 MPOL_LOCAL
 MPOL_PREFERRED
+MSC_CNT
+MSC_MAX
 MSDOS_SUPER_MAGIC
 MSG_CMSG_CLOEXEC
 MSG_CONFIRM
@@ -1860,9 +1874,13 @@ REG_PEND
 REG_STARTEND
 REG_TRACE
 REISERFS_SUPER_MAGIC
+REL_CNT
+REL_MAX
 RENAME_EXCHANGE
 RENAME_NOREPLACE
 RENAME_WHITEOUT
+REP_CNT
+REP_MAX
 RLIMIT_AS
 RLIMIT_CORE
 RLIMIT_CPU
@@ -2131,6 +2149,8 @@ SIOCSIFSLAVE
 SIOCSRARP
 SI_LOAD_SHIFT
 SMB_SUPER_MAGIC
+SND_CNT
+SND_MAX
 SOCK_CLOEXEC
 SOCK_DCCP
 SOCK_DGRAM
@@ -2227,6 +2247,10 @@ ST_NOSUID
 ST_RDONLY
 ST_RELATIME
 ST_SYNCHRONOUS
+SW_CNT
+SW_MAX
+SYN_CNT
+SYN_MAX
 SYS_accept4
 SYS_acct
 SYS_add_key
@@ -2579,6 +2603,8 @@ TIOCSWINSZ
 TMPFS_MAGIC
 TMP_MAX
 TOSTOP
+UINPUT_MAX_NAME_SIZE
+UINPUT_VERSION
 UIO_MAXIOV
 USBDEVICE_SUPER_MAGIC
 USER_PROCESS
@@ -2923,6 +2949,15 @@ feof
 ferror
 fexecve
 fflush
+ff_condition_effect
+ff_constant_effect
+ff_effect
+ff_envelope
+ff_periodic_effect
+ff_ramp_effect
+ff_replay
+ff_rumble_effect
+ff_trigger
 fgetc
 fgetpos
 fgets
@@ -3045,6 +3080,11 @@ inotify_event
 inotify_init
 inotify_init1
 inotify_rm_watch
+input_absinfo
+input_event
+input_id
+input_keymap_entry
+input_mask
 int16_t
 int32_t
 int64_t
@@ -3509,6 +3549,11 @@ ttyname_r
 ucontext_t
 ucred
 uid_t
+uinput_abs_setup
+uinput_ff_erase
+uinput_ff_upload
+uinput_setup
+uinput_user_dev
 uint16_t
 uint32_t
 uint64_t

src/unix/linux_like/android/mod.rs

@@ -355,6 +355,133 @@ s! {
         pub flags: ::__u32,
         pub nr: ::__s32,
     }
+
+    // linux/input.h
+    pub struct input_event {
+        pub time: ::timeval,
+        pub type_: ::__u16,
+        pub code: ::__u16,
+        pub value: ::__s32,
+    }
+
+    pub struct input_id {
+        pub bustype: ::__u16,
+        pub vendor: ::__u16,
+        pub product: ::__u16,
+        pub version: ::__u16,
+    }
+
+    pub struct input_absinfo {
+        pub value: ::__s32,
+        pub minimum: ::__s32,
+        pub maximum: ::__s32,
+        pub fuzz: ::__s32,
+        pub flat: ::__s32,
+        pub resolution: ::__s32,
+    }
+
+    pub struct input_keymap_entry {
+        pub flags: ::__u8,
+        pub len: ::__u8,
+        pub index: ::__u16,
+        pub keycode: ::__u32,
+        pub scancode: [::__u8; 32],
+    }
+
+    pub struct input_mask {
+        pub type_: ::__u32,
+        pub codes_size: ::__u32,
+        pub codes_ptr: ::__u64,
+    }
+
+    pub struct ff_replay {
+        pub length: ::__u16,
+        pub delay: ::__u16,
+    }
+
+    pub struct ff_trigger {
+        pub button: ::__u16,
+        pub interval: ::__u16,
+    }
+
+    pub struct ff_envelope {
+        pub attack_length: ::__u16,
+        pub attack_level: ::__u16,
+        pub fade_length: ::__u16,
+        pub fade_level: ::__u16,
+    }
+
+    pub struct ff_constant_effect {
+        pub level: ::__s16,
+        pub envelope: ff_envelope,
+    }
+
+    pub struct ff_ramp_effect {
+        pub start_level: ::__s16,
+        pub end_level: ::__s16,
+        pub envelope: ff_envelope,
+    }
+
+    pub struct ff_condition_effect {
+        pub right_saturation: ::__u16,
+        pub left_saturation: ::__u16,
+
+        pub right_coeff: ::__s16,
+        pub left_coeff: ::__s16,
+
+        pub deadband: ::__u16,
+        pub center: ::__s16,
+    }
+
+    pub struct ff_periodic_effect {
+        pub waveform: ::__u16,
+        pub period: ::__u16,
+        pub magnitude: ::__s16,
+        pub offset: ::__s16,
+        pub phase: ::__u16,
+
+        pub envelope: ff_envelope,
+
+        pub custom_len: ::__u32,
+        pub custom_data: *mut ::__s16,
+    }
+
+    pub struct ff_rumble_effect {
+        pub strong_magnitude: ::__u16,
+        pub weak_magnitude: ::__u16,
+    }
+
+    pub struct ff_effect {
+        pub type_: ::__u16,
+        pub id: ::__s16,
+        pub direction: ::__u16,
+        pub trigger: ff_trigger,
+        pub replay: ff_replay,
+        // FIXME this is actually a union
+        #[cfg(target_pointer_width = "64")]
+        pub u: [u64; 4],
+        #[cfg(target_pointer_width = "32")]
+        pub u: [u32; 7],
+    }
+
+    // linux/uinput.h
+    pub struct uinput_ff_upload {
+        pub request_id: ::__u32,
+        pub retval: ::__s32,
+        pub effect: ff_effect,
+        pub old: ff_effect,
+    }
+
+    pub struct uinput_ff_erase {
+        pub request_id: ::__u32,
+        pub retval: ::__s32,
+        pub effect_id: ::__u32,
+    }
+
+    pub struct uinput_abs_setup {
+        pub code: ::__u16,
+        pub absinfo: input_absinfo,
+    }
 }
 
 s_no_extra_traits! {
@@ -417,6 +544,22 @@ s_no_extra_traits! {
         pub salg_name: [::c_uchar; 64],
     }
 
+    pub struct uinput_setup {
+        pub id: input_id,
+        pub name: [::c_char; UINPUT_MAX_NAME_SIZE],
+        pub ff_effects_max: ::__u32,
+    }
+
+    pub struct uinput_user_dev {
+        pub name: [::c_char; UINPUT_MAX_NAME_SIZE],
+        pub id: input_id,
+        pub ff_effects_max: ::__u32,
+        pub absmax: [::__s32; ABS_CNT],
+        pub absmin: [::__s32; ABS_CNT],
+        pub absfuzz: [::__s32; ABS_CNT],
+        pub absflat: [::__s32; ABS_CNT],
+    }
+
     /// WARNING: The `PartialEq`, `Eq` and `Hash` implementations of this
     /// type are unsound and will be removed in the future.
     #[deprecated(
@@ -2173,6 +2316,38 @@ pub const NFT_TRACETYPE_RULE: ::c_int = 3;
 pub const NFT_NG_INCREMENTAL: ::c_int = 0;
 pub const NFT_NG_RANDOM: ::c_int = 1;
 
+// linux/input.h
+pub const FF_MAX: ::__u16 = 0x7f;
+pub const FF_CNT: usize = FF_MAX as usize + 1;
+
+// linux/input-event-codes.h
+pub const INPUT_PROP_MAX: ::__u16 = 0x1f;
+pub const INPUT_PROP_CNT: usize = INPUT_PROP_MAX as usize + 1;
+pub const EV_MAX: ::__u16 = 0x1f;
+pub const EV_CNT: usize = EV_MAX as usize + 1;
+pub const SYN_MAX: ::__u16 = 0xf;
+pub const SYN_CNT: usize = SYN_MAX as usize + 1;
+pub const KEY_MAX: ::__u16 = 0x2ff;
+pub const KEY_CNT: usize = KEY_MAX as usize + 1;
+pub const REL_MAX: ::__u16 = 0x0f;
+pub const REL_CNT: usize = REL_MAX as usize + 1;
+pub const ABS_MAX: ::__u16 = 0x3f;
+pub const ABS_CNT: usize = ABS_MAX as usize + 1;
+pub const SW_MAX: ::__u16 = 0x0f;
+pub const SW_CNT: usize = SW_MAX as usize + 1;
+pub const MSC_MAX: ::__u16 = 0x07;
+pub const MSC_CNT: usize = MSC_MAX as usize + 1;
+pub const LED_MAX: ::__u16 = 0x0f;
+pub const LED_CNT: usize = LED_MAX as usize + 1;
+pub const REP_MAX: ::__u16 = 0x01;
+pub const REP_CNT: usize = REP_MAX as usize + 1;
+pub const SND_MAX: ::__u16 = 0x07;
+pub const SND_CNT: usize = SND_MAX as usize + 1;
+
+// linux/uinput.h
+pub const UINPUT_VERSION: ::c_uint = 5;
+pub const UINPUT_MAX_NAME_SIZE: usize = 80;
+
 pub const IFF_TUN: ::c_int = 0x0001;
 pub const IFF_TAP: ::c_int = 0x0002;
 pub const IFF_NO_PI: ::c_int = 0x1000;