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Diffstat (limited to '')
-rw-r--r-- | lib/symlink.c | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/lib/symlink.c b/lib/symlink.c new file mode 100644 index 0000000..26310af --- /dev/null +++ b/lib/symlink.c @@ -0,0 +1,57 @@ +/* Stub for symlink(). + Copyright (C) 2009-2022 Free Software Foundation, Inc. + + This file is free software: you can redistribute it and/or modify + it under the terms of the GNU Lesser 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 Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser 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 (_GL_UNUSED char const *contents, + _GL_UNUSED char const *name) +{ + errno = ENOSYS; + return -1; +} + +#endif /* !HAVE_SYMLINK */ |