| 1 | /* Test of <errno.h> substitute.
|
|---|
| 2 | Copyright (C) 2008-2022 Free Software Foundation, Inc.
|
|---|
| 3 |
|
|---|
| 4 | This program is free software: you can redistribute it and/or modify
|
|---|
| 5 | it under the terms of the GNU General Public License as published by
|
|---|
| 6 | the Free Software Foundation, either version 3 of the License, or
|
|---|
| 7 | (at your option) any later version.
|
|---|
| 8 |
|
|---|
| 9 | This program is distributed in the hope that it will be useful,
|
|---|
| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|---|
| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|---|
| 12 | GNU General Public License for more details.
|
|---|
| 13 |
|
|---|
| 14 | You should have received a copy of the GNU General Public License
|
|---|
| 15 | along with this program. If not, see <https://www.gnu.org/licenses/>. */
|
|---|
| 16 |
|
|---|
| 17 | /* Written by Bruno Haible <bruno@clisp.org>, 2008. */
|
|---|
| 18 |
|
|---|
| 19 | #include <config.h>
|
|---|
| 20 |
|
|---|
| 21 | #include <errno.h>
|
|---|
| 22 |
|
|---|
| 23 | /* Verify that the POSIX mandated errno values exist and can be used as
|
|---|
| 24 | initializers outside of a function.
|
|---|
| 25 | The variable names happen to match the Linux/x86 error numbers. */
|
|---|
| 26 | int e1 = EPERM;
|
|---|
| 27 | int e2 = ENOENT;
|
|---|
| 28 | int e3 = ESRCH;
|
|---|
| 29 | int e4 = EINTR;
|
|---|
| 30 | int e5 = EIO;
|
|---|
| 31 | int e6 = ENXIO;
|
|---|
| 32 | int e7 = E2BIG;
|
|---|
| 33 | int e8 = ENOEXEC;
|
|---|
| 34 | int e9 = EBADF;
|
|---|
| 35 | int e10 = ECHILD;
|
|---|
| 36 | int e11 = EAGAIN;
|
|---|
| 37 | int e11a = EWOULDBLOCK;
|
|---|
| 38 | int e12 = ENOMEM;
|
|---|
| 39 | int e13 = EACCES;
|
|---|
| 40 | int e14 = EFAULT;
|
|---|
| 41 | int e16 = EBUSY;
|
|---|
| 42 | int e17 = EEXIST;
|
|---|
| 43 | int e18 = EXDEV;
|
|---|
| 44 | int e19 = ENODEV;
|
|---|
| 45 | int e20 = ENOTDIR;
|
|---|
| 46 | int e21 = EISDIR;
|
|---|
| 47 | int e22 = EINVAL;
|
|---|
| 48 | int e23 = ENFILE;
|
|---|
| 49 | int e24 = EMFILE;
|
|---|
| 50 | int e25 = ENOTTY;
|
|---|
| 51 | int e26 = ETXTBSY;
|
|---|
| 52 | int e27 = EFBIG;
|
|---|
| 53 | int e28 = ENOSPC;
|
|---|
| 54 | int e29 = ESPIPE;
|
|---|
| 55 | int e30 = EROFS;
|
|---|
| 56 | int e31 = EMLINK;
|
|---|
| 57 | int e32 = EPIPE;
|
|---|
| 58 | int e33 = EDOM;
|
|---|
| 59 | int e34 = ERANGE;
|
|---|
| 60 | int e35 = EDEADLK;
|
|---|
| 61 | int e36 = ENAMETOOLONG;
|
|---|
| 62 | int e37 = ENOLCK;
|
|---|
| 63 | int e38 = ENOSYS;
|
|---|
| 64 | int e39 = ENOTEMPTY;
|
|---|
| 65 | int e40 = ELOOP;
|
|---|
| 66 | int e42 = ENOMSG;
|
|---|
| 67 | int e43 = EIDRM;
|
|---|
| 68 | int e67 = ENOLINK;
|
|---|
| 69 | int e71 = EPROTO;
|
|---|
| 70 | int e72 = EMULTIHOP;
|
|---|
| 71 | int e74 = EBADMSG;
|
|---|
| 72 | int e75 = EOVERFLOW;
|
|---|
| 73 | int e84 = EILSEQ;
|
|---|
| 74 | int e88 = ENOTSOCK;
|
|---|
| 75 | int e89 = EDESTADDRREQ;
|
|---|
| 76 | int e90 = EMSGSIZE;
|
|---|
| 77 | int e91 = EPROTOTYPE;
|
|---|
| 78 | int e92 = ENOPROTOOPT;
|
|---|
| 79 | int e93 = EPROTONOSUPPORT;
|
|---|
| 80 | int e95 = EOPNOTSUPP;
|
|---|
| 81 | int e95a = ENOTSUP;
|
|---|
| 82 | int e97 = EAFNOSUPPORT;
|
|---|
| 83 | int e98 = EADDRINUSE;
|
|---|
| 84 | int e99 = EADDRNOTAVAIL;
|
|---|
| 85 | int e100 = ENETDOWN;
|
|---|
| 86 | int e101 = ENETUNREACH;
|
|---|
| 87 | int e102 = ENETRESET;
|
|---|
| 88 | int e103 = ECONNABORTED;
|
|---|
| 89 | int e104 = ECONNRESET;
|
|---|
| 90 | int e105 = ENOBUFS;
|
|---|
| 91 | int e106 = EISCONN;
|
|---|
| 92 | int e107 = ENOTCONN;
|
|---|
| 93 | int e110 = ETIMEDOUT;
|
|---|
| 94 | int e111 = ECONNREFUSED;
|
|---|
| 95 | int e113 = EHOSTUNREACH;
|
|---|
| 96 | int e114 = EALREADY;
|
|---|
| 97 | int e115 = EINPROGRESS;
|
|---|
| 98 | int e116 = ESTALE;
|
|---|
| 99 | int e122 = EDQUOT;
|
|---|
| 100 | int e125 = ECANCELED;
|
|---|
| 101 | int e130 = EOWNERDEAD;
|
|---|
| 102 | int e131 = ENOTRECOVERABLE;
|
|---|
| 103 |
|
|---|
| 104 | /* Don't verify that these errno values are all different, except for possibly
|
|---|
| 105 | EWOULDBLOCK == EAGAIN. Even Linux/x86 does not pass this check: it has
|
|---|
| 106 | ENOTSUP == EOPNOTSUPP. */
|
|---|
| 107 |
|
|---|
| 108 | int
|
|---|
| 109 | main ()
|
|---|
| 110 | {
|
|---|
| 111 | /* Verify that errno can be assigned. */
|
|---|
| 112 | errno = EOVERFLOW;
|
|---|
| 113 |
|
|---|
| 114 | /* snprintf() callers want to distinguish EINVAL and EOVERFLOW. */
|
|---|
| 115 | if (errno == EINVAL)
|
|---|
| 116 | return 1;
|
|---|
| 117 |
|
|---|
| 118 | return 0;
|
|---|
| 119 | }
|
|---|
