Adding upstream version 255.5.upstream/255.5

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 23 insertions, 3 deletions

diff --git a/src/basic/stat-util.c b/src/basic/stat-util.c
index c54374b..581370d 100644
--- a/src/basic/stat-util.c
+++ b/src/basic/stat-util.c
@@ -262,11 +262,31 @@ int path_is_network_fs(const char *path) {
         return is_network_fs(&s);
 }
 
+int stat_verify_linked(const struct stat *st) {
+        assert(st);
+
+        if (st->st_nlink <= 0)
+                return -EIDRM; /* recognizable error. */
+
+        return 0;
+}
+
+int fd_verify_linked(int fd) {
+        struct stat st;
+
+        assert(fd >= 0);
+
+        if (fstat(fd, &st) < 0)
+                return -errno;
+
+        return stat_verify_linked(&st);
+}
+
 int stat_verify_regular(const struct stat *st) {
         assert(st);
 
-        /* Checks whether the specified stat() structure refers to a regular file. If not returns an appropriate error
-         * code. */
+        /* Checks whether the specified stat() structure refers to a regular file. If not returns an
+         * appropriate error code. */
 
         if (S_ISDIR(st->st_mode))
                 return -EISDIR;
@@ -470,7 +490,7 @@ int xstatfsat(int dir_fd, const char *path, struct statfs *ret) {
         assert(dir_fd >= 0 || dir_fd == AT_FDCWD);
         assert(ret);
 
-        fd = xopenat(dir_fd, path, O_PATH|O_CLOEXEC|O_NOCTTY, /* xopen_flags = */ 0, /* mode = */ 0);
+        fd = xopenat(dir_fd, path, O_PATH|O_CLOEXEC|O_NOCTTY);
         if (fd < 0)
                 return fd;