--- /dev/null
+/* Test the sig2str and str2sig functions.
+ Copyright (C) 2024 Free Software Foundation, Inc.
+
+ This file 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 file 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 Collin Funk <collin.funk1@gmail.com>, 2024. */
+
+#include <config.h>
+
+/* Specification. */
+#include "filemode.h"
+
+#include <sys/stat.h>
+
+/* The strmode function is already defined on some systems in <string.h> or
+ <unistd.h>. On FreeBSD versions 13 and lower the function takes an int
+ instead of a mode_t (uint16_t) as it's first argument. Include these
+ headers here to make sure our declaration doesn't conflict with system
+ functions. */
+#include <string.h>
+#include <unistd.h>
+
+#include "macros.h"
+
+struct mode_to_string
+{
+ mode_t mode;
+ char str[12];
+};
+
+static const struct mode_to_string table[] =
+ {
+ { S_IFCHR, "c--------- " },
+ { S_IFDIR, "d--------- " },
+ { S_IFIFO, "p--------- " },
+ { S_IFREG, "---------- " },
+ { S_IFCHR | S_IRUSR | S_IWGRP | S_IXOTH, "cr---w---x " },
+ { S_IFDIR | S_IXUSR | S_IRGRP | S_IWOTH, "d--xr---w- " },
+ { S_IFIFO | S_IWUSR | S_IXGRP | S_IROTH, "p-w---xr-- " },
+#if S_ISUID
+ { S_IFREG | S_ISUID, "---S------ " },
+ { S_IFREG | S_ISUID | S_IXUSR, "---s------ " },
+#endif
+#if S_ISGID
+ { S_IFREG | S_ISGID, "------S--- " },
+ { S_IFREG | S_ISGID | S_IXGRP, "------s--- " },
+#endif
+#if S_ISVTX
+ { S_IFREG | S_ISVTX, "---------T " },
+ { S_IFREG | S_ISVTX | S_IXOTH, "---------t " },
+#endif
+ };
+
+int
+main (void)
+{
+ size_t i;
+ char buffer[12];
+
+ for (i = 0; i < SIZEOF (table); ++i)
+ {
+ strmode (table[i].mode, buffer);
+ ASSERT (STREQ (table[i].str, buffer));
+ }
+
+ return test_exit_status;
+}