ctdb-tests: Add errno matching utility

BUG: https://bugzilla.samba.org/show_bug.cgi?id=13520

Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>

diff --git a/ctdb/tests/src/errcode.c b/ctdb/tests/src/errcode.c
new file mode 100644 (file)
index 0000000..9085362
--- /dev/null
+++ b/ctdb/tests/src/errcode.c
@@ -0,0 +1,189 @@
+/*
+   Portability layer for error codes
+
+   Copyright (C) Amitay Isaacs  2018
+
+   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 <http://www.gnu.org/licenses/>.
+*/
+
+/*
+ * These errors are as listed in POSIX standard
+ * IEEE Std 1003.1-2017 (Revision of IEEE Std 1003.1-2008)
+ *
+ * Error codes marked obsolete are removed (ENODATA, ENOSR, ENOSTR, ETIME)
+ */
+
+#include "replace.h"
+
+struct {
+       const char *label;
+       int code;
+} err_codes[] = {
+       { "E2BIG", E2BIG },
+
+       { "EACCES", EACCES },
+       { "EADDRINUSE", EADDRINUSE },
+       { "EADDRNOTAVAIL", EADDRNOTAVAIL },
+       { "EAFNOSUPPORT", EAFNOSUPPORT },
+       { "EAGAIN", EAGAIN },
+       { "EALREADY", EALREADY },
+
+       { "EBADF", EBADF },
+       { "EBADMSG", EBADMSG },
+       { "EBUSY", EBUSY },
+
+       { "ECANCELED", ECANCELED },
+       { "ECHILD", ECHILD },
+       { "ECONNABORTED", ECONNABORTED },
+       { "ECONNREFUSED", ECONNREFUSED },
+       { "ECONNRESET", ECONNRESET },
+
+       { "EDEADLK", EDEADLK },
+       { "EDESTADDRREQ", EDESTADDRREQ },
+       { "EDOM", EDOM },
+       { "EDQUOT", EDQUOT },
+
+       { "EEXIST", EEXIST },
+
+       { "EFAULT", EFAULT },
+       { "EFBIG", EFBIG },
+
+       { "EHOSTUNREACH", EHOSTUNREACH },
+
+       { "EIDRM", EIDRM },
+       { "EILSEQ", EILSEQ },
+       { "EINPROGRESS", EINPROGRESS },
+       { "EINTR", EINTR },
+       { "EINVAL", EINVAL },
+       { "EIO", EIO },
+       { "EISCONN", EISCONN },
+       { "EISDIR", EISDIR },
+
+       { "ELOOP", ELOOP },
+
+       { "EMFILE", EMFILE },
+       { "EMLINK", EMLINK },
+       { "EMSGSIZE", EMSGSIZE },
+       { "EMULTIHOP", EMULTIHOP },
+
+       { "ENAMETOOLONG", ENAMETOOLONG },
+       { "ENETDOWN", ENETDOWN },
+       { "ENETRESET", ENETRESET },
+       { "ENETUNREACH", ENETUNREACH },
+       { "ENFILE", ENFILE },
+       { "ENOBUFS", ENOBUFS },
+       { "ENODEV", ENODEV },
+       { "ENOENT", ENOENT },
+       { "ENOEXEC", ENOEXEC },
+       { "ENOLCK", ENOLCK },
+       { "ENOLINK", ENOLINK },
+       { "ENOMEM", ENOMEM },
+       { "ENOMSG", ENOMSG },
+       { "ENOPROTOOPT", ENOPROTOOPT },
+       { "ENOSPC", ENOSPC },
+       { "ENOSYS", ENOSYS },
+       { "ENOTCONN", ENOTCONN },
+       { "ENOTDIR", ENOTDIR },
+       { "ENOTEMPTY", ENOTEMPTY },
+       { "ENOTSOCK", ENOTSOCK },
+       { "ENOTSUP", ENOTSUP },
+       { "ENOTTY", ENOTTY },
+       { "ENXIO", ENXIO },
+
+       { "EOPNOTSUPP", EOPNOTSUPP },
+       { "EOVERFLOW", EOVERFLOW },
+
+       { "EPERM", EPERM },
+       { "EPIPE", EPIPE },
+       { "EPROTO", EPROTO },
+       { "EPROTONOSUPPORT", EPROTONOSUPPORT },
+       { "EPROTOTYPE", EPROTOTYPE },
+
+       { "ERANGE", ERANGE },
+       { "EROFS", EROFS },
+
+       { "ESPIPE", ESPIPE },
+       { "ESRCH", ESRCH },
+       { "ESTALE", ESTALE },
+
+       { "ETIMEDOUT", ETIMEDOUT },
+       { "ETXTBSY", ETXTBSY },
+
+       { "EWOULDBLOCK", EWOULDBLOCK },
+
+       { "EXDEV", EXDEV },
+};
+
+static void dump(void)
+{
+       int i;
+
+       for (i=0; i<ARRAY_SIZE(err_codes); i++) {
+               printf("%s %d\n", err_codes[i].label, err_codes[i].code);
+       }
+}
+
+static void match_label(const char *str)
+{
+       int code = -1;
+       int i;
+
+       for (i=0; i<ARRAY_SIZE(err_codes); i++) {
+               if (strcasecmp(err_codes[i].label, str) == 0) {
+                       code = err_codes[i].code;
+                       break;
+               }
+       }
+
+       printf("%d\n", code);
+}
+
+static void match_code(int code)
+{
+       const char *label = "UNKNOWN";
+       int i;
+
+       for (i=0; i<ARRAY_SIZE(err_codes); i++) {
+               if (err_codes[i].code == code) {
+                       label = err_codes[i].label;
+                       break;
+               }
+       }
+
+       printf("%s\n", label);
+}
+
+int main(int argc, const char **argv)
+{
+       long int code;
+       char *endptr;
+
+       if (argc != 2) {
+               fprintf(stderr, "Usage: %s dump|<errcode>\n", argv[0]);
+               exit(1);
+       }
+
+       if (strcmp(argv[1], "dump") == 0) {
+               dump();
+       } else {
+               code = strtol(argv[1], &endptr, 0);
+               if (*endptr == '\0') {
+                       match_code(code);
+               } else {
+                       match_label(argv[1]);
+               }
+       }
+
+       exit(0);
+}

diff --git a/ctdb/wscript b/ctdb/wscript
index 73fd5bd3d00fee337501905e6fdcd7b820aa8b27..08c8016dd39bc4c3b06a29d86aa5415c4ac70821 100644 (file)
--- a/ctdb/wscript
+++ b/ctdb/wscript
@@ -842,6 +842,11 @@ def build(bld):
     for d in ['volatile', 'persistent', 'state']:
         bld.install_dir(os.path.join(bld.env.CTDB_VARDIR, d))
 
+    bld.SAMBA_BINARY('errcode',
+                     source='tests/src/errcode.c',
+                     deps='replace',
+                     install_path='${CTDB_TEST_LIBEXECDIR}')
+
     # Unit tests
     ctdb_unit_tests = [
         'db_hash_test',