X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/3ecab1575ef1f45a5e7cd3c48cd937ffa8eb0ad9..0f0c8159c43045f4ad847a0129dca7eddd313285:/src/src/spool_mbox.c

diff --git a/src/src/spool_mbox.c b/src/src/spool_mbox.c
index bdeb2b1a6..edc28034c 100644
--- a/src/src/spool_mbox.c
+++ b/src/src/spool_mbox.c
@@ -26,7 +26,9 @@ uschar spooled_message_id[17];
 /* returns a pointer to the FILE, and puts the size in bytes into mbox_file_size
  * normally, source_file_override is NULL */
 
-FILE *spool_mbox(unsigned long *mbox_file_size, uschar *source_file_override) {
+FILE *
+spool_mbox(unsigned long *mbox_file_size, const uschar *source_file_override)
+{
   uschar message_subdir[2];
   uschar buffer[16384];
   uschar *temp_string;
@@ -96,7 +98,11 @@ 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) {