X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/81f916832dd855953f614ca86a6e4ad898161564..de11307f4085222c29051e5b8149ea3340707f26:/src/src/spool_mbox.c

diff --git a/src/src/spool_mbox.c b/src/src/spool_mbox.c
index bdeb2b1a6..12cf3d43e 100644
--- a/src/src/spool_mbox.c
+++ b/src/src/spool_mbox.c
@@ -96,7 +96,11 @@ FILE *spool_mbox(unsigned long *mbox_file_size, uschar *source_file_override) {
     };
 
     /* End headers */
-    (void)fwrite("\n", 1, 1, mbox_file);
+    if (fwrite("\n", 1, 1, mbox_file) != 1) {
+      log_write(0, LOG_MAIN|LOG_PANIC, "Error/short write while writing \
+        message headers to %s", mbox_path);
+      goto OUT;
+    }
 
     /* copy body file */
     if (source_file_override == NULL) {