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Diffstat (limited to 'gnulib-tests/test-errno.c')
| -rw-r--r-- | gnulib-tests/test-errno.c | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/gnulib-tests/test-errno.c b/gnulib-tests/test-errno.c new file mode 100644 index 0000000..54f5ae6 --- /dev/null +++ b/gnulib-tests/test-errno.c @@ -0,0 +1,119 @@ +/* Test of <errno.h> substitute. + Copyright (C) 2008-2020 Free Software Foundation, Inc. + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <https://www.gnu.org/licenses/>. */ + +/* Written by Bruno Haible <bruno@clisp.org>, 2008. */ + +#include <config.h> + +#include <errno.h> + +/* Verify that the POSIX mandated errno values exist and can be used as + initializers outside of a function. + The variable names happen to match the Linux/x86 error numbers. */ +int e1 = EPERM; +int e2 = ENOENT; +int e3 = ESRCH; +int e4 = EINTR; +int e5 = EIO; +int e6 = ENXIO; +int e7 = E2BIG; +int e8 = ENOEXEC; +int e9 = EBADF; +int e10 = ECHILD; +int e11 = EAGAIN; +int e11a = EWOULDBLOCK; +int e12 = ENOMEM; +int e13 = EACCES; +int e14 = EFAULT; +int e16 = EBUSY; +int e17 = EEXIST; +int e18 = EXDEV; +int e19 = ENODEV; +int e20 = ENOTDIR; +int e21 = EISDIR; +int e22 = EINVAL; +int e23 = ENFILE; +int e24 = EMFILE; +int e25 = ENOTTY; +int e26 = ETXTBSY; +int e27 = EFBIG; +int e28 = ENOSPC; +int e29 = ESPIPE; +int e30 = EROFS; +int e31 = EMLINK; +int e32 = EPIPE; +int e33 = EDOM; +int e34 = ERANGE; +int e35 = EDEADLK; +int e36 = ENAMETOOLONG; +int e37 = ENOLCK; +int e38 = ENOSYS; +int e39 = ENOTEMPTY; +int e40 = ELOOP; +int e42 = ENOMSG; +int e43 = EIDRM; +int e67 = ENOLINK; +int e71 = EPROTO; +int e72 = EMULTIHOP; +int e74 = EBADMSG; +int e75 = EOVERFLOW; +int e84 = EILSEQ; +int e88 = ENOTSOCK; +int e89 = EDESTADDRREQ; +int e90 = EMSGSIZE; +int e91 = EPROTOTYPE; +int e92 = ENOPROTOOPT; +int e93 = EPROTONOSUPPORT; +int e95 = EOPNOTSUPP; +int e95a = ENOTSUP; +int e97 = EAFNOSUPPORT; +int e98 = EADDRINUSE; +int e99 = EADDRNOTAVAIL; +int e100 = ENETDOWN; +int e101 = ENETUNREACH; +int e102 = ENETRESET; +int e103 = ECONNABORTED; +int e104 = ECONNRESET; +int e105 = ENOBUFS; +int e106 = EISCONN; +int e107 = ENOTCONN; +int e110 = ETIMEDOUT; +int e111 = ECONNREFUSED; +int e113 = EHOSTUNREACH; +int e114 = EALREADY; +int e115 = EINPROGRESS; +int e116 = ESTALE; +int e122 = EDQUOT; +int e125 = ECANCELED; +int e130 = EOWNERDEAD; +int e131 = ENOTRECOVERABLE; + +/* Don't verify that these errno values are all different, except for possibly + EWOULDBLOCK == EAGAIN. Even Linux/x86 does not pass this check: it has + ENOTSUP == EOPNOTSUPP. */ + +int +main () +{ + /* Verify that errno can be assigned. */ + errno = EOVERFLOW; + + /* snprintf() callers want to distinguish EINVAL and EOVERFLOW. */ + if (errno == EINVAL) + return 1; + + return 0; +} |