Avoiding a call of copy_file() with a null pointer.

git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@5352 35c25a1d-7b9e-4130-9fde-d3aeb78583b8
2015-08-11 17:27:30 +00:00
parent f5234e583f
commit c9337dd4ed
2 changed files with 5 additions and 1 deletions
--- a/src/files.c
+++ b/src/files.c
@@ -2007,7 +2007,7 @@ bool write_file(const char *name, FILE *f_open, bool tmp, append_type
 	    }
 	}

-	if (copy_file(f_source, f) != 0) {
+	if (f_source == NULL || copy_file(f_source, f) != 0) {
 	    statusbar(_("Error writing %s: %s"), tempname,
 		strerror(errno));
 	    unlink(tempname);