From c1a4d6271d178baa81a1c5aa23e7c15ef02883b6 Mon Sep 17 00:00:00 2001
From: Yuki Okushi <huyuumi.dev@gmail.com>
Date: Mon, 13 Apr 2020 08:10:48 +0900
Subject: [PATCH] Use wasi values for `errno`s

---
 src/unix/linux_like/android/mod.rs    |  37 ++++
 src/unix/linux_like/emscripten/mod.rs | 236 +++++++++++++++-----------
 src/unix/linux_like/linux/mod.rs      |  37 ++++
 src/unix/linux_like/mod.rs            |  36 ----
 4 files changed, 210 insertions(+), 136 deletions(-)

diff --git a/src/unix/linux_like/android/mod.rs b/src/unix/linux_like/android/mod.rs
index ccf2cd23..8a419116 100644
--- a/src/unix/linux_like/android/mod.rs
+++ b/src/unix/linux_like/android/mod.rs
@@ -2100,6 +2100,43 @@ pub const SO_EE_ORIGIN_ICMP6: u8 = 3;
 pub const SO_EE_ORIGIN_TXSTATUS: u8 = 4;
 pub const SO_EE_ORIGIN_TIMESTAMPING: u8 = SO_EE_ORIGIN_TXSTATUS;
 
+// errno.h
+pub const EPERM: ::c_int = 1;
+pub const ENOENT: ::c_int = 2;
+pub const ESRCH: ::c_int = 3;
+pub const EINTR: ::c_int = 4;
+pub const EIO: ::c_int = 5;
+pub const ENXIO: ::c_int = 6;
+pub const E2BIG: ::c_int = 7;
+pub const ENOEXEC: ::c_int = 8;
+pub const EBADF: ::c_int = 9;
+pub const ECHILD: ::c_int = 10;
+pub const EAGAIN: ::c_int = 11;
+pub const ENOMEM: ::c_int = 12;
+pub const EACCES: ::c_int = 13;
+pub const EFAULT: ::c_int = 14;
+pub const ENOTBLK: ::c_int = 15;
+pub const EBUSY: ::c_int = 16;
+pub const EEXIST: ::c_int = 17;
+pub const EXDEV: ::c_int = 18;
+pub const ENODEV: ::c_int = 19;
+pub const ENOTDIR: ::c_int = 20;
+pub const EISDIR: ::c_int = 21;
+pub const EINVAL: ::c_int = 22;
+pub const ENFILE: ::c_int = 23;
+pub const EMFILE: ::c_int = 24;
+pub const ENOTTY: ::c_int = 25;
+pub const ETXTBSY: ::c_int = 26;
+pub const EFBIG: ::c_int = 27;
+pub const ENOSPC: ::c_int = 28;
+pub const ESPIPE: ::c_int = 29;
+pub const EROFS: ::c_int = 30;
+pub const EMLINK: ::c_int = 31;
+pub const EPIPE: ::c_int = 32;
+pub const EDOM: ::c_int = 33;
+pub const ERANGE: ::c_int = 34;
+pub const EWOULDBLOCK: ::c_int = EAGAIN;
+
 f! {
     pub fn CMSG_NXTHDR(mhdr: *const msghdr,
                        cmsg: *const cmsghdr) -> *mut cmsghdr {
diff --git a/src/unix/linux_like/emscripten/mod.rs b/src/unix/linux_like/emscripten/mod.rs
index 33553cdb..ead0ea11 100644
--- a/src/unix/linux_like/emscripten/mod.rs
+++ b/src/unix/linux_like/emscripten/mod.rs
@@ -1174,20 +1174,142 @@ pub const O_TRUNC: ::c_int = 512;
 pub const O_NOATIME: ::c_int = 0o1000000;
 pub const O_CLOEXEC: ::c_int = 0x80000;
 
-pub const EBFONT: ::c_int = 59;
-pub const ENOSTR: ::c_int = 60;
-pub const ENODATA: ::c_int = 61;
-pub const ETIME: ::c_int = 62;
-pub const ENOSR: ::c_int = 63;
-pub const ENONET: ::c_int = 64;
-pub const ENOPKG: ::c_int = 65;
-pub const EREMOTE: ::c_int = 66;
-pub const ENOLINK: ::c_int = 67;
-pub const EADV: ::c_int = 68;
-pub const ESRMNT: ::c_int = 69;
-pub const ECOMM: ::c_int = 70;
-pub const EPROTO: ::c_int = 71;
-pub const EDOTDOT: ::c_int = 73;
+// Defined as wasi value.
+pub const EPERM: ::c_int = 63;
+pub const ENOENT: ::c_int = 44;
+pub const ESRCH: ::c_int = 71;
+pub const EINTR: ::c_int = 27;
+pub const EIO: ::c_int = 29;
+pub const ENXIO: ::c_int = 60;
+pub const E2BIG: ::c_int = 1;
+pub const ENOEXEC: ::c_int = 45;
+pub const EBADF: ::c_int = 8;
+pub const ECHILD: ::c_int = 12;
+pub const EAGAIN: ::c_int = 6;
+pub const ENOMEM: ::c_int = 48;
+pub const EACCES: ::c_int = 2;
+pub const EFAULT: ::c_int = 21;
+pub const ENOTBLK: ::c_int = 105;
+pub const EBUSY: ::c_int = 10;
+pub const EEXIST: ::c_int = 20;
+pub const EXDEV: ::c_int = 75;
+pub const ENODEV: ::c_int = 43;
+pub const ENOTDIR: ::c_int = 54;
+pub const EISDIR: ::c_int = 31;
+pub const EINVAL: ::c_int = 28;
+pub const ENFILE: ::c_int = 41;
+pub const EMFILE: ::c_int = 33;
+pub const ENOTTY: ::c_int = 59;
+pub const ETXTBSY: ::c_int = 74;
+pub const EFBIG: ::c_int = 22;
+pub const ENOSPC: ::c_int = 51;
+pub const ESPIPE: ::c_int = 70;
+pub const EROFS: ::c_int = 69;
+pub const EMLINK: ::c_int = 34;
+pub const EPIPE: ::c_int = 64;
+pub const EDOM: ::c_int = 18;
+pub const ERANGE: ::c_int = 68;
+pub const EWOULDBLOCK: ::c_int = EAGAIN;
+pub const ENOLINK: ::c_int = 47;
+pub const EPROTO: ::c_int = 65;
+pub const EDEADLK: ::c_int = 16;
+pub const EDEADLOCK: ::c_int = EDEADLK;
+pub const ENAMETOOLONG: ::c_int = 37;
+pub const ENOLCK: ::c_int = 46;
+pub const ENOSYS: ::c_int = 52;
+pub const ENOTEMPTY: ::c_int = 55;
+pub const ELOOP: ::c_int = 32;
+pub const ENOMSG: ::c_int = 49;
+pub const EIDRM: ::c_int = 24;
+pub const EMULTIHOP: ::c_int = 36;
+pub const EBADMSG: ::c_int = 9;
+pub const EOVERFLOW: ::c_int = 61;
+pub const EILSEQ: ::c_int = 25;
+pub const ENOTSOCK: ::c_int = 57;
+pub const EDESTADDRREQ: ::c_int = 17;
+pub const EMSGSIZE: ::c_int = 35;
+pub const EPROTOTYPE: ::c_int = 67;
+pub const ENOPROTOOPT: ::c_int = 50;
+pub const EPROTONOSUPPORT: ::c_int = 66;
+pub const EAFNOSUPPORT: ::c_int = 5;
+pub const EADDRINUSE: ::c_int = 3;
+pub const EADDRNOTAVAIL: ::c_int = 4;
+pub const ENETDOWN: ::c_int = 38;
+pub const ENETUNREACH: ::c_int = 40;
+pub const ENETRESET: ::c_int = 39;
+pub const ECONNABORTED: ::c_int = 13;
+pub const ECONNRESET: ::c_int = 15;
+pub const ENOBUFS: ::c_int = 42;
+pub const EISCONN: ::c_int = 30;
+pub const ENOTCONN: ::c_int = 53;
+pub const ETIMEDOUT: ::c_int = 73;
+pub const ECONNREFUSED: ::c_int = 14;
+pub const EHOSTUNREACH: ::c_int = 23;
+pub const EALREADY: ::c_int = 7;
+pub const EINPROGRESS: ::c_int = 26;
+pub const ESTALE: ::c_int = 72;
+pub const EDQUOT: ::c_int = 19;
+pub const ECANCELED: ::c_int = 11;
+pub const EOWNERDEAD: ::c_int = 62;
+pub const ENOTRECOVERABLE: ::c_int = 56;
+
+pub const ENOSTR: ::c_int = 100;
+pub const EBFONT: ::c_int = 101;
+pub const EBADSLT: ::c_int = 102;
+pub const EBADRQC: ::c_int = 103;
+pub const ENOANO: ::c_int = 104;
+pub const ECHRNG: ::c_int = 106;
+pub const EL3HLT: ::c_int = 107;
+pub const EL3RST: ::c_int = 108;
+pub const ELNRNG: ::c_int = 109;
+pub const EUNATCH: ::c_int = 110;
+pub const ENOCSI: ::c_int = 111;
+pub const EL2HLT: ::c_int = 112;
+pub const EBADE: ::c_int = 113;
+pub const EBADR: ::c_int = 114;
+pub const EXFULL: ::c_int = 115;
+pub const ENODATA: ::c_int = 116;
+pub const ETIME: ::c_int = 117;
+pub const ENOSR: ::c_int = 118;
+pub const ENONET: ::c_int = 119;
+pub const ENOPKG: ::c_int = 120;
+pub const EREMOTE: ::c_int = 121;
+pub const EADV: ::c_int = 122;
+pub const ESRMNT: ::c_int = 123;
+pub const ECOMM: ::c_int = 124;
+pub const EDOTDOT: ::c_int = 125;
+pub const ENOTUNIQ: ::c_int = 126;
+pub const EBADFD: ::c_int = 127;
+pub const EREMCHG: ::c_int = 128;
+pub const ELIBACC: ::c_int = 129;
+pub const ELIBBAD: ::c_int = 130;
+pub const ELIBSCN: ::c_int = 131;
+pub const ELIBMAX: ::c_int = 132;
+pub const ELIBEXEC: ::c_int = 133;
+pub const ERESTART: ::c_int = 134;
+pub const ESTRPIPE: ::c_int = 135;
+pub const EUSERS: ::c_int = 136;
+pub const ESOCKTNOSUPPORT: ::c_int = 137;
+pub const EOPNOTSUPP: ::c_int = 138;
+pub const ENOTSUP: ::c_int = EOPNOTSUPP;
+pub const EPFNOSUPPORT: ::c_int = 139;
+pub const ESHUTDOWN: ::c_int = 140;
+pub const ETOOMANYREFS: ::c_int = 141;
+pub const EHOSTDOWN: ::c_int = 142;
+pub const EUCLEAN: ::c_int = 143;
+pub const ENOTNAM: ::c_int = 144;
+pub const ENAVAIL: ::c_int = 145;
+pub const EISNAM: ::c_int = 146;
+pub const EREMOTEIO: ::c_int = 147;
+pub const ENOMEDIUM: ::c_int = 148;
+pub const EMEDIUMTYPE: ::c_int = 149;
+pub const ENOKEY: ::c_int = 150;
+pub const EKEYEXPIRED: ::c_int = 151;
+pub const EKEYREVOKED: ::c_int = 152;
+pub const EKEYREJECTED: ::c_int = 153;
+pub const ERFKILL: ::c_int = 154;
+pub const EHWPOISON: ::c_int = 155;
+pub const EL2NSYNC: ::c_int = 156;
 
 pub const SA_NODEFER: ::c_int = 0x40000000;
 pub const SA_RESETHAND: ::c_int = 0x80000000;
@@ -1437,92 +1559,6 @@ pub const SOCK_SEQPACKET: ::c_int = 5;
 
 pub const SOL_SOCKET: ::c_int = 1;
 
-pub const EDEADLK: ::c_int = 35;
-pub const ENAMETOOLONG: ::c_int = 36;
-pub const ENOLCK: ::c_int = 37;
-pub const ENOSYS: ::c_int = 38;
-pub const ENOTEMPTY: ::c_int = 39;
-pub const ELOOP: ::c_int = 40;
-pub const ENOMSG: ::c_int = 42;
-pub const EIDRM: ::c_int = 43;
-pub const ECHRNG: ::c_int = 44;
-pub const EL2NSYNC: ::c_int = 45;
-pub const EL3HLT: ::c_int = 46;
-pub const EL3RST: ::c_int = 47;
-pub const ELNRNG: ::c_int = 48;
-pub const EUNATCH: ::c_int = 49;
-pub const ENOCSI: ::c_int = 50;
-pub const EL2HLT: ::c_int = 51;
-pub const EBADE: ::c_int = 52;
-pub const EBADR: ::c_int = 53;
-pub const EXFULL: ::c_int = 54;
-pub const ENOANO: ::c_int = 55;
-pub const EBADRQC: ::c_int = 56;
-pub const EBADSLT: ::c_int = 57;
-pub const EDEADLOCK: ::c_int = EDEADLK;
-pub const EMULTIHOP: ::c_int = 72;
-pub const EBADMSG: ::c_int = 74;
-pub const EOVERFLOW: ::c_int = 75;
-pub const ENOTUNIQ: ::c_int = 76;
-pub const EBADFD: ::c_int = 77;
-pub const EREMCHG: ::c_int = 78;
-pub const ELIBACC: ::c_int = 79;
-pub const ELIBBAD: ::c_int = 80;
-pub const ELIBSCN: ::c_int = 81;
-pub const ELIBMAX: ::c_int = 82;
-pub const ELIBEXEC: ::c_int = 83;
-pub const EILSEQ: ::c_int = 84;
-pub const ERESTART: ::c_int = 85;
-pub const ESTRPIPE: ::c_int = 86;
-pub const EUSERS: ::c_int = 87;
-pub const ENOTSOCK: ::c_int = 88;
-pub const EDESTADDRREQ: ::c_int = 89;
-pub const EMSGSIZE: ::c_int = 90;
-pub const EPROTOTYPE: ::c_int = 91;
-pub const ENOPROTOOPT: ::c_int = 92;
-pub const EPROTONOSUPPORT: ::c_int = 93;
-pub const ESOCKTNOSUPPORT: ::c_int = 94;
-pub const EOPNOTSUPP: ::c_int = 95;
-pub const ENOTSUP: ::c_int = EOPNOTSUPP;
-pub const EPFNOSUPPORT: ::c_int = 96;
-pub const EAFNOSUPPORT: ::c_int = 97;
-pub const EADDRINUSE: ::c_int = 98;
-pub const EADDRNOTAVAIL: ::c_int = 99;
-pub const ENETDOWN: ::c_int = 100;
-pub const ENETUNREACH: ::c_int = 101;
-pub const ENETRESET: ::c_int = 102;
-pub const ECONNABORTED: ::c_int = 103;
-pub const ECONNRESET: ::c_int = 104;
-pub const ENOBUFS: ::c_int = 105;
-pub const EISCONN: ::c_int = 106;
-pub const ENOTCONN: ::c_int = 107;
-pub const ESHUTDOWN: ::c_int = 108;
-pub const ETOOMANYREFS: ::c_int = 109;
-pub const ETIMEDOUT: ::c_int = 110;
-pub const ECONNREFUSED: ::c_int = 111;
-pub const EHOSTDOWN: ::c_int = 112;
-pub const EHOSTUNREACH: ::c_int = 113;
-pub const EALREADY: ::c_int = 114;
-pub const EINPROGRESS: ::c_int = 115;
-pub const ESTALE: ::c_int = 116;
-pub const EUCLEAN: ::c_int = 117;
-pub const ENOTNAM: ::c_int = 118;
-pub const ENAVAIL: ::c_int = 119;
-pub const EISNAM: ::c_int = 120;
-pub const EREMOTEIO: ::c_int = 121;
-pub const EDQUOT: ::c_int = 122;
-pub const ENOMEDIUM: ::c_int = 123;
-pub const EMEDIUMTYPE: ::c_int = 124;
-pub const ECANCELED: ::c_int = 125;
-pub const ENOKEY: ::c_int = 126;
-pub const EKEYEXPIRED: ::c_int = 127;
-pub const EKEYREVOKED: ::c_int = 128;
-pub const EKEYREJECTED: ::c_int = 129;
-pub const EOWNERDEAD: ::c_int = 130;
-pub const ENOTRECOVERABLE: ::c_int = 131;
-pub const ERFKILL: ::c_int = 132;
-pub const EHWPOISON: ::c_int = 133;
-
 pub const SO_REUSEADDR: ::c_int = 2;
 pub const SO_TYPE: ::c_int = 3;
 pub const SO_ERROR: ::c_int = 4;
diff --git a/src/unix/linux_like/linux/mod.rs b/src/unix/linux_like/linux/mod.rs
index 7add581b..1879eec5 100644
--- a/src/unix/linux_like/linux/mod.rs
+++ b/src/unix/linux_like/linux/mod.rs
@@ -2559,6 +2559,43 @@ pub const SO_EE_ORIGIN_ICMP6: u8 = 3;
 pub const SO_EE_ORIGIN_TXSTATUS: u8 = 4;
 pub const SO_EE_ORIGIN_TIMESTAMPING: u8 = SO_EE_ORIGIN_TXSTATUS;
 
+// errno.h
+pub const EPERM: ::c_int = 1;
+pub const ENOENT: ::c_int = 2;
+pub const ESRCH: ::c_int = 3;
+pub const EINTR: ::c_int = 4;
+pub const EIO: ::c_int = 5;
+pub const ENXIO: ::c_int = 6;
+pub const E2BIG: ::c_int = 7;
+pub const ENOEXEC: ::c_int = 8;
+pub const EBADF: ::c_int = 9;
+pub const ECHILD: ::c_int = 10;
+pub const EAGAIN: ::c_int = 11;
+pub const ENOMEM: ::c_int = 12;
+pub const EACCES: ::c_int = 13;
+pub const EFAULT: ::c_int = 14;
+pub const ENOTBLK: ::c_int = 15;
+pub const EBUSY: ::c_int = 16;
+pub const EEXIST: ::c_int = 17;
+pub const EXDEV: ::c_int = 18;
+pub const ENODEV: ::c_int = 19;
+pub const ENOTDIR: ::c_int = 20;
+pub const EISDIR: ::c_int = 21;
+pub const EINVAL: ::c_int = 22;
+pub const ENFILE: ::c_int = 23;
+pub const EMFILE: ::c_int = 24;
+pub const ENOTTY: ::c_int = 25;
+pub const ETXTBSY: ::c_int = 26;
+pub const EFBIG: ::c_int = 27;
+pub const ENOSPC: ::c_int = 28;
+pub const ESPIPE: ::c_int = 29;
+pub const EROFS: ::c_int = 30;
+pub const EMLINK: ::c_int = 31;
+pub const EPIPE: ::c_int = 32;
+pub const EDOM: ::c_int = 33;
+pub const ERANGE: ::c_int = 34;
+pub const EWOULDBLOCK: ::c_int = EAGAIN;
+
 f! {
     pub fn NLA_ALIGN(len: ::c_int) -> ::c_int {
         return ((len) + NLA_ALIGNTO - 1) & !(NLA_ALIGNTO - 1)
diff --git a/src/unix/linux_like/mod.rs b/src/unix/linux_like/mod.rs
index 843b0763..fa93386f 100644
--- a/src/unix/linux_like/mod.rs
+++ b/src/unix/linux_like/mod.rs
@@ -599,42 +599,6 @@ pub const MS_ACTIVE: ::c_ulong = 0x40000000;
 pub const MS_MGC_VAL: ::c_ulong = 0xc0ed0000;
 pub const MS_MGC_MSK: ::c_ulong = 0xffff0000;
 
-pub const EPERM: ::c_int = 1;
-pub const ENOENT: ::c_int = 2;
-pub const ESRCH: ::c_int = 3;
-pub const EINTR: ::c_int = 4;
-pub const EIO: ::c_int = 5;
-pub const ENXIO: ::c_int = 6;
-pub const E2BIG: ::c_int = 7;
-pub const ENOEXEC: ::c_int = 8;
-pub const EBADF: ::c_int = 9;
-pub const ECHILD: ::c_int = 10;
-pub const EAGAIN: ::c_int = 11;
-pub const ENOMEM: ::c_int = 12;
-pub const EACCES: ::c_int = 13;
-pub const EFAULT: ::c_int = 14;
-pub const ENOTBLK: ::c_int = 15;
-pub const EBUSY: ::c_int = 16;
-pub const EEXIST: ::c_int = 17;
-pub const EXDEV: ::c_int = 18;
-pub const ENODEV: ::c_int = 19;
-pub const ENOTDIR: ::c_int = 20;
-pub const EISDIR: ::c_int = 21;
-pub const EINVAL: ::c_int = 22;
-pub const ENFILE: ::c_int = 23;
-pub const EMFILE: ::c_int = 24;
-pub const ENOTTY: ::c_int = 25;
-pub const ETXTBSY: ::c_int = 26;
-pub const EFBIG: ::c_int = 27;
-pub const ENOSPC: ::c_int = 28;
-pub const ESPIPE: ::c_int = 29;
-pub const EROFS: ::c_int = 30;
-pub const EMLINK: ::c_int = 31;
-pub const EPIPE: ::c_int = 32;
-pub const EDOM: ::c_int = 33;
-pub const ERANGE: ::c_int = 34;
-pub const EWOULDBLOCK: ::c_int = EAGAIN;
-
 pub const SCM_RIGHTS: ::c_int = 0x01;
 pub const SCM_CREDENTIALS: ::c_int = 0x02;
 
-- 
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