X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Futil.c;h=5daafdf7c2088d78d19fe93b05629bc83d22e87e;hp=a1686ed3892deffa3f7776073c132a49c0cdf5e2;hb=51b4af2c2833691976844a13464c1301643043d3;hpb=7c3b203c5c69fc37c8d143851cd395cbf8920786

diff --git a/src/util.c b/src/util.c
index a1686ed38..5daafdf7c 100644
--- a/src/util.c
+++ b/src/util.c
@@ -513,7 +513,16 @@ int write_one_line_file(const char *fn, const char *line) {
         if (!endswith(line, "\n"))
                 fputc('\n', f);
 
-        r = 0;
+        fflush(f);
+
+        if (ferror(f)) {
+                if (errno != 0)
+                        r = -errno;
+                else
+                        r = -EIO;
+        } else
+                r = 0;
+
 finish:
         fclose(f);
         return r;