X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fshared%2Futil.c;h=4fda31c83832de5cd34efd99800e0da0f35dbeaf;hp=75dc58b63db2edeceab89b3c279a53924a2094de;hb=ed88bcfb7c15029f9fc95ee2380759a9eb782d46;hpb=36f822c4bd077f9121757e24b6516e5c7ada63b5

diff --git a/src/shared/util.c b/src/shared/util.c
index 75dc58b63..4fda31c83 100644
--- a/src/shared/util.c
+++ b/src/shared/util.c
@@ -3604,6 +3604,17 @@ int null_or_empty_path(const char *fn) {
         return null_or_empty(&st);
 }
 
+int null_or_empty_fd(int fd) {
+        struct stat st;
+
+        assert(fd >= 0);
+
+        if (fstat(fd, &st) < 0)
+                return -errno;
+
+        return null_or_empty(&st);
+}
+
 DIR *xopendirat(int fd, const char *name, int flags) {
         int nfd;
         DIR *d;