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-rw-r--r--lib/symlink.c57
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diff --git a/lib/symlink.c b/lib/symlink.c
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+/* Stub for symlink().
+ Copyright (C) 2009-2020 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/>. */
+
+#include <config.h>
+
+/* Specification. */
+#include <unistd.h>
+
+#include <errno.h>
+#include <string.h>
+#include <sys/stat.h>
+
+
+#if HAVE_SYMLINK
+
+# undef symlink
+
+/* Create a symlink, but reject trailing slash. */
+int
+rpl_symlink (char const *contents, char const *name)
+{
+ size_t len = strlen (name);
+ if (len && name[len - 1] == '/')
+ {
+ struct stat st;
+ if (lstat (name, &st) == 0 || errno == EOVERFLOW)
+ errno = EEXIST;
+ return -1;
+ }
+ return symlink (contents, name);
+}
+
+#else /* !HAVE_SYMLINK */
+
+/* The system does not support symlinks. */
+int
+symlink (char const *contents _GL_UNUSED,
+ char const *name _GL_UNUSED)
+{
+ errno = ENOSYS;
+ return -1;
+}
+
+#endif /* !HAVE_SYMLINK */